Document oerwr7QE8b565xm4EgjKK2dXo

AUG.31*2001 13:15 618-251-2251 THE SIMMONS FIRM #0387 P.006 to: ' Frcm: HTYffi/til 0Q:22pn Fagci 0B3 This Patent Image Provided By USPTO Patented Oct 17,10S6 '^ UNITED STATES PATENT OFFICE PtAatlC COMTD8ITIPN MATERIALB AND ' TWAtfE TaKBEEBOV . , pnc^e0reiw^B^si^'l^Ml|r-toif*rteS' TmI Products Oorponvijon. Dtliwfo* III* a.er- poratien of XniTlfunA'. - CoNnotvineumabtieorn16o,f 1ap4p3H. eaTiMheisn aSpeprilaiclaIttiaoinHAWIMJSt t 1M, Mortal Ne,<HS8,43. Ijj OatiaaaAep**TM- Ore- 8, 1044 ' i, . S Claims, <CI. lOfl--11) This -bnentW reJrtt&> plastic- rompofilOon Fig, l in oWfteal btbte-aeotio^ol vtawthrough mixtures ued produete. and w bis-tor .its object a -.ptet* ;of wtfiboar& steadying my invention: thoProVinton of tv itew Mrt improved loro H ma and. ' - * - ',,, . , , ..... , - terial by wblCb highly (WteaBtagBoui result* iftnUJ Fig, 9 iaavarfctoal croGs^teUmiMVlew: fcbtough be attained In eooiwctleai wjflh bdUdlstfmatertJMB o portion at s woo plastaod at one face with embodying tha invention. The laypjitton wtatoe naylir-pcwedplaster. .f `7 ' \ -, ,; parttenlaiiy to the pro^gteo Of On Improved toTto This application lg being SIM ae1a-eeottouirtijnn ofplastic wmpoeirton by tew io <rf which gwsiHy of iwst carlievRPFlteaM* SortM -No;. S10.3B5,filed improved protection against flre.ShftE,-be ob* on -November ,8, ie,wbJtti eartter eppJJoarton Coined, 1 VTten a layer of plaster *neK ad Uiocbre uf on 10. became abandoned an Bvpteaibsr 90.18*7, to IrtK-l or tte'diwwtais, a wallboord S, -, erne* ordinary gypsum walibowd .tonciilas-'fcfc* facta# JuOf taeb liMofc la shown, eotoPWatoff/a-eet. end PMrttoa of a IsulUUCf wWli.b ettattaf hy .ft Vi- dried boOif .portion * foraied df my. Improved, strtKSfctve Ufa, the heat in, dtt time Onuses tty.' ---c-o-m---p--o-s--i-ti-o--n--m--s h erein-a--f-t-e-r--d--*-E--*-r-t-b-e--d--,-3,n---cb c-,e--nt" buster to contract to volume .so a* to produce ' w pdtfHen ftfivta* caZOteed gypbuni .ns, ltd pritaMpas cracks in the pr&tV wfl&a tendency1 tor too' ingredient, with'piper Una?'-? tod t bended-to plaster to bieate up tod fait off. the wall. M!y tor opposite tottes of the body portion. .' ' 1 yowl-fan bee for one 0>f Ills object# to provide fin Id Tlg,&, i>ave ehown my tonprvwea pJiifitet in, bhproroti form of carapoejticn matorlal for fond- : dried conaUtton. on B.WaU cbtosrtslng etoddliiga 9, ' Ins' the plaster for use In tbs cote of a wabboard,: with enCteS lath to ttitoured. Waemrn o eslso carry in one embodiment, of for application by, any ' a ptostof fJvMisr ponton 11 j&mkH:mt my-to-, approved plBstof&tB method, for the fonaalden of proved, ocfapeslrton onl applied to any ynitnb) . a well, in alterfiwtlTft mbOdijment, && that by' manner and,dried In podltimi on the Sato. This ttia ttae of Btidh Improved tetim Of oorapoBlOon plaster facing ,11 m iSMfiJrttM/ifi lttoiedswJih- t^fotoam`icrs_iaoblaU*ae ,bl_ae.yet_dmrtoorfdOfdaidrJlitf,de^r.ep>slifnttiKUytefnrd'froerbtnaceda, hrtehlksleitWsnf,U- * 'foltUloligemth^pMeoyufa4itf*foaetlyao:lSNlll.'uKnedeemrmthesafIfnnnadnfl,>utieondfctAeb. yup.pwrthoedaato'e--n*l-y:' anco to the tendency for praebb ,to open up to eept for.ths.enaaelon of the v&rmlmstlto cbhtesbt the fayirr- wJiTM it le safejeeted fifi 'heat. Ta thi* by.exfoMatlam, ' :r ' ' 1 ..; ' end,-lb Is one cd toe objects or ths toventtoa to:. '1 te the .wbfenwi rtsBUdlmetit of my J^vehtton, ,' ap^ rpovvla--ia.sietiei.tr_odtImofpirrofover.Mdth.c1eoRaf.-oj-f-irt-ms.'l---aU<t*ioo. n..n. oof fmMaa-tworajallbleoafordr ^.n* e1I.s.oaeaemHthbhenodssiAetaadbtibloitMlnlhhajctroyrr iepnuamtnhaeetl wofo. kBllnbi)go*.a AKrd' *tpo*a-e-n'ec-lo. omfp'Fo-rlti*^.- or for the production df a plaeterod waU. com- Mcrfl-whloh Wlto water suites dp tbS'MEy portion" prtstng ,* aon-oamUmflibia merwHeiffc' >ueh as I of toe waUboard 9 a* rhown to FIs. and tos" totomlairtscd rawvonnlcullte to.unexpanded forto piaster facto* l l of the wop ag etunto to Fjg, tf: thoroughly distributed through a layer of . dried tB COteprtsev about S% by. weight of flbmis sb> jdaster made from toe- tompoatoon and adapted rial, from about-sty# to 7ftst of minus 2* mesh miller the Ixatuence of boot wbsn toe layer ojl - ' commercial-gradtog'raw or-unespandlNt verimetj- ptoetoy is gttetoed by ft tors to-'#*J>aad so'mi to ' ttte-such to 'toni- obtatnat from the labfey, >ton- compensate fhr the contraction f the gypsum or tana, mine of .the tTnlvhc^ai ^anollte Oatopanyy Oths^.Sngredlenia `of tii* dried piaster shd tons M *d -to; balance loi'gejy-'biiotoed gypsutibr The p?oletThelayer wpUMrfcer ogsinyt dtotorHon and. . ueuisJI efuAUatobitoti of addlttves, sttto to etnrch, maintain it Intact to act ike k.Mtmn- rnr nreronte Ins progress of th*-Ore. - 1 . .,, ' tpollmllrtftidelW* dtotf''adMaratoy. ftm. . ete.,- i,nay b*e-; ln1 ^ It.'is anoih.t.e. .fib.jeot. of to.y..invention t_o__pr,o.rf.da, i l.jisro found that highly'PseflU reculte are at-- te a composition, tor ntaktoe ptnstcnr of tbls typa, ^ tamed by the gse of toe' following -proportions ct - moans adapted to hold adjacentporttons bf the ,. to,edry.ixMtmdlBHlgwspteU|sd,: - ' -. dried pUeter toietbsr ao ec to mtoumte we dle- . ' . . ruPttne effect nrodneed by the eontraotom or one .^ . 7at>Ie No. f J ;- particto or the expansion of dh.adjacent parttoZa . under the influence of heat. For this purpose^ Z tfo- have ottiptoyM. non-eohbustaie fibrous aatertol . distributed throughout, tod ounpositfan, and X have found that a fairly smaQ amount'pt such daiensi Qyywwn wwft*a*) nohrCOtebuoMbto fitorouB material. Is effective for attaining.Wm dwixed results. ' l' 1 5* , Itjls romtoer object, at my tovanttoa to improve eompofilttons and jmJdMts. bf this type In sufidry rtaV.' Wa,t, rtreeS. - '1 ,.- .i that; -Nftf, A1 ren* :* `J*'* ,1 :> :`7. it: * V'"" r y- -- details hereinafter pointed' out Tbs two pro SubcUntlia ohunthts of walllioird'.df cne-hali: , fwred embodiment* of the invenrjba era shown .inch nominal tbJeJaiess Have titan toade up with theocoiMBpanyins drawing. In whleli: ao bbdy portionft Cbtorts1xg r^epfe5vy thetojewati AUG.31'2001 i3:15 513-251-2251 THE SIMONS FIRM #0387 P.007 To! Fra*: 07/03/01. BB:Z4pn Pftflw: 004 This Patent Image Provided By USPTO : ! ' S'1 A,fc&6,663 , - 'l'- <4 ' of fbur nurtures set to this Table 6iW*. ft & well in <nte*te of aW temWfcabire to No. I, mixed with water In the usntii manner, which any fif the togredlento or a wallhoard are formed between Use ixraa) paper linen bonded . , normally raised Chinn* the formation ead the thereto, and dried, the umiai amount of starch j&rybiK of the buwii. It will be eppieclatrii that adhesive to obtain bond, of paper to core ant a * , tfap vemicpllte content of such board wUI nor- tmnU volume of soap foam or lather-to reduce jnaMji ha matot-atoed m its unsxpandM oondl- weight beta incorporated to the wetpuutermix- titra up to the elm* when, the hoard la attacked tore. 1 Jwvis found that Stlfih board can te made by a desfcnictlvo Are. Studies mode by authcri- up readily on. a cooronWcmal board machine tUv sources have shown. that fires of normal equipped with suitable material-loading means ]o severity develop temperattlree of 1000* P.ln about and ,eun. be dried .'to the' ordinary kilns without fly mlnatca The hout developed In a building dongor thM. expansion of me venaiciaitB will he fire attacking a wall embodying my improve* effected by the drying operation. the comminuted irutate, therefore, is normally sufilelent for hrtog- ro,Wvexmloii]lte going through the board machine 1 mg about substantial expansion of the raw ear* and the drier without nay complications, the m mleuffto contained In the waJTboOrd or other ley- tta m sawdust or other fillers in use heretofore, er at plaster forming the facing of the .wall, eueh A series tf fire test? have been carried but at the expansion of the vsxmiopUte taking place In the tfndomriter* Laboratories, Chicago, mmols, on. layer or plaster at the same nine when the cos* B" x 4" wood stud loteMMtuing partitions freed traction of the gypsum is toeing 'snectfed and te- with m<m half-tech boards produced by the-use' *a fan the heat has been btiiifc up to the point when of my Improved mtatarea. raid flro tests being the complete destruction of the layer of plaster conducted aoeurtUngJo Standard Methods at Mrs fakes place. The destmetibo Of the layer ,0* Tests of Building constraeflob and Materials, piaster is thus delayed substantially, Che ratfst- a, e. it, M, cli^ignaMcn ciO-ii. The Pro teste of ec to the progress of the fire being tons ene my improved hoards fa comparison with similar ,, stonttaJiy tearroeed. .' tests of ordinary high-grade ttalf-inch beards not ' I have found snttsfactory.rseulfcs la the ttaft erf embodying ,iy improvements, show for, the 1m- high-grade vermlcullt* such os that found in the proved boards substantially. improved results, Libby, Montana, deposit, and, prefer to employ domonufcrattes that O'* s s" wood: stnd ]d-inar- judJ imrtem, biit z no not OMlre to limit the teg partttfops faced, with the boards employing * tavmtlan thereto, except as it may b* specifically the mixture* u shown in the table urn including claimed, since them ore otter minerals of the the row. HQexpanded. varmlcufJte as specified-in. v*rmicu)lte group which oan'be used to advtin- th* table are entitled to firs endurance ratings tase, such as isfferitita, kerrite and phWadd- ' of from, 45 to 63. minutes, tut compared with a lire pWte. It will be underriood that, any of these endurance rating of from 3$ to minutes for 3s minerals mar be used effectively te. a board, pro- 3". x 4" wood stud load-bearing partitions faced. vided such mineral, when used within proper with ordinary high-grade teUMnch board te Unite os to the amount employed:, and when which no expemptfle mineral at the tarmlmiffte ground to the proper fineness for mixture with ' erodp U.rpMo*. TWn W, t wwige, at -ataceet iJ] attnr Ingnalenl^ la Tvuoa to expanii sum- ImportOfeee ooumeroledly tor enabling the monu- 44 cienldy In a fit* to gWMt to n largo extent at footeror to, meat the rottterefflftttto for fire resist- ' ]*## the oontewottau of Hm gypsum, or other . body material of the board. . Xp the aboye-menttoned fire tette of my tm* The amount of the okpcumtblie mtesnil to b# proved.^ bvardM, the teatsoottou. of1 ttoo aypsum cmifioysd is prsrawbiy controlled by rofereue* to content proiixQf about by the lnfineao* of the 43 its capacity to expand, as win be roodily under beat oppaad to the faces or the partitions Woe stood by the** MdHed. te The Use of he vormlmi-. o>tnpiled by an expsnslon of the raw'ter- llfce group of mteerWla, there I* BubstantisJ V#TU mleuilte by exfoliation wJMoh compensated for atloft. Ill the expabstaenceg Of TtrailctiUte from nd offset the contraction, o* the gypsum, in different mine* end even n substantial variation these fire testa, the expansion of the vexmleiiUte SO te the expeastvensile of different, batches of the and, the contraction of the aypenai te the board 1 ` mineral torso from different ports of ,tb aame took place at *0 neriy the some Urns that there " ndne, la lib* ipw of tlfie type ofi.material, oo- wes little or no tendency for the board to oraok ooNUngly, in tJie nnmurnctur ot ptaeteror wall- or, open, up du* to Bbtflikiigo. At1 the earn* time, board Or in any case where the capacity te GX- any tshdllioy for iWnplapejocbt pr dWBxnm**- cn pond by exfoliation whoa tteAted Is important,.* men# f the particles of the body material of the ' more or tees oonlteoiiw Cbcok abuuld he mode a# hoftzas by rea.KW of the ponteaotiott and expan- to' the.effwtlreras* of toe mineral for cxpandlnx, sion of the stiimeat tegredtante woe opposed by tlio amount of the mineral used being changed t:h n^cbfwrlcai bwodlao or matting effect of, ho jmsferubly from tune,to time for wiannamtey toe of ncu^comhustiWe fibrous material 60 deirizfid total amount of expanaton, aenarsllr flistribotod throoghooli the' mixture. The result speaking, when It hea teen detarihliwd that a wee teat the board, with the fibre and im- particular lot of vennioulite. Is Adapted to expend expanded vermiwiifte' distributed thoroughly only on* hsij or one third s much os a different tbMmgt} the gyyrom, .was prevented friwu die- lot, it win he found necrogary to use-twice ps niteteg end dtebateginting end woe enabled to to much or three times as much of tha lass ekpen- hoia Ita form tetart: without sextons cracks -or olble mineral for .obtaining the aame reeults with breaks tot % considerably longer period than cad respect to expansion. be expected in similar fire testa of .board* from , M ahowtag the voristton in tbe voltene otpan- which toe nmwpaiHted verraiottlHe end,the fibre sSoa of different, Mtnktee varteloullta fma the have teen omitted, , .; 1 : .. .. . \ 79 setae mine, three specimens of Trttoy, tomtana. When raw te unexpended vumlonUto 1*' In-' vyrmtauMte, all wound so as to pass thnmgh a corporeW Into a waHhoard or into a layer of ' 36 mrehAcreon **d to te-rotatetet on .a 4B meeh piaster on a well, it dam not begin to expand by screen, showed different percentages of extern* exfoliation until th* temperature roaciies a point. sJoo under similar eondltiowa, . Par one gpecmMU te osoee* of 500" P, Stece the teroporaJmre iff W pirn pertentaga of volume expansion by HHOlio*. A'JC?.31' 2001 13 : 18 618-25 1-2251 THE SIMMONS FIRM #038" P.008 To; fpom: mrmimi hbizsp* Pbbej ms This Patent Image Provided By USPTO S e068 lion whet) heated Wan S30%, tor:& attend PCc1ir.en 39J.%, nod tot to* third eMdmm 3T?%, Wbtoh. t fcyplrnl of the dUrermnofBa to he ocrpoctecL . AS snowing the variation itt to# *pk1jC of specimens of vermtouDto from different mines, threw specimens of Libby, Montano, showed rh nvsrage expansion of about S69%, ag above eDeemed, while throe specimen* 'of Sn. oampment, Wyoming, vermlcnllte under rizailar tfally the period. pteeedlaa nhe template break* dOwtt of the board utruetoze, After the ronnlOTlite has expanded. It is a toed heat Insulating material, and taarmsae the resistance ot tbs board a to the passage of teert fn proportion to the. amount added. X have found that when* an excess of toe vennieuiite la employed beyond that i-jncetoiVT for offsetting the eontraetton Of too gypsum or other body material- of ttw beard, the conditions ns to Oneness si grind and other tact- io thickness of the board core of piaster layer w ($rs St frcatmeKt, eftowed tut average expansion Increased somewhat by reason of the expansion iff nbmst iei%. A similar sample, from a flOutta cd the vwmlcullte coder the toltoehM of the OimllD&'tolne expanded S98%1 . 'With respect to the BnenCas Ofthe fitted, <w heat of the Are, serving tons to afford lnoroased lnwJuo agalttet the poesas* of the heat paittel me, of the waorletilito type of 'miziarai 3 tonwgh the bomd or plaster, if this excess of need/ I hav* found that tbs-percent expansion yemloulito Is fairly onall, the tootaased insula when heated decreases as to* average partWto rite Is decreased. This is demonstrated to Table tion effort may he had without city radical tocrease in toe tendency of toe hoard or,plaster to iffyj, It which shows too -inrixUan ln expsJislrm go to pieces as toe iteat of to* firt bplldi up. under' fgh heat dr aavem screen rites at, nev 80 seven S teste have been'unde on 3" x *'" Ijlbbr, Mentos*, vermknntto, Msec, on three ean^ . wood Stud,partltiorb faced with my idiproyM Vi" pies at each deselfleanrto of toe mineral. ' - gypsum board, of six different fcnnnJaticns con-*: . . , . rabfe no, a , > '- tototoy raw yennlmiHto nx** , rum^atimbUritlMe nnsv to compatjson with, * partition faced with ipwtwcajw rr centsugoiitea. zb rofrAPT gypeutn boom. teall Mich Are tests, tor partitions' uriJng.too flpprtived. gypaumboata Ko.1 w KTii* ihidudlny toe' yeimlcmllte jand. the fibre, pave yroateV'flro proWUcn Huw toe psytition fiislinr I--t <rfh SC nwtft nit rMftmC m on nUmiinliwnw, .nj*ruMJlwtbi5roqTnwSis,iw"| : * 4OT SCO ; m m SM. toe erdinafy gypewra hoard. - to show the effeot m w.ot various tunotmte of raw ronnMIlte te these -sat ooroT matfrisJe, gypwm hoard* of nominal bnlf;. inch thfdknece df enriout fommlattctts 'Wero'pro- dooed and sampler out from snob hosnfs were ; m Ifft heated in a fywiaerto 3400* P. for a period of 3d as minutes in each hteteuCs to. thoniUitLiy calcine . zn'toe development of toe date above set forth, V d. c. of toe rormleuUte were In each instant# measured la a eredtuttod glass craUxlfueat cyl IhtnotdtnkepprjoUor-jcf-Jeitllfxailinna.Aeowru.ac^cWPaNkploea. rc>ifftyaa,hhAaniu.dfc1i57thUtie.i nac. transferred ca. napnotty. The ttuclbia and conteate were then pouted In ' the foil heat of a Maker C type sob burner itethg: . nne medium onnoc ono- neatec for one minute, "aXffitMe-Wr wWMhRi*cMhUr tMbisffl' CCWonJUteIDntWs wffBhTra sflttotmrend''fIOoTr-1ifSf . , . 40 toe (ytuoni and to expend theivennichlfte. 1 the toiiamiees ot' toe. ec** w hteasoted More 'and, au*|s tuwLtter and the .ohanea'.lh toletcnasa dire ' to the ItMUog of, the 'boards.was determined tWogithmVatoadt.etltfeoBrtSoehotwhnleKinncTeaW6*fTfThIs, npffaOpWetrB.CiI.nS' pfl-' toe mcMufamenta-before beatjuf. .the peroehteette of fllne pnd raw wsrmloin shrovn In the'tnblo ^oen- Jto--e,. prnetwroiaenintttne.mc^tne bsayAmtrJai tfat*ht of toe to*1taanl w*s ^itf.li.t ' matoOs V? means of a mmma rod, while toe SSt^SnA wff^ hehting was cohhmiML ytlo-iilit a tbcn t>pliBd far on additional 3% fnlinitm, after Whito Vsnulcullte used ,wa# nM of to* same duality. to# 7n)JcuJi<y was cooled, and tom 'returnee, to ,. the' CtadUated oontrifDBi cylinder1, to each coca _. ' TttbiB too. m tibh- wilutea ol Rmteribl waa'rotid after tapping 60 the btH*om: of the cyilndw ea a labofatery beach . three tftnis by droimtaff. toe Cylinder from a height bf'ntie Inch for sffVAirif ttie paxtlcliSf. . ' tend ,N* HriJtaem* l /i . * .' fite VenfariitA `riicwila TUoUut ^vnmt, fty the juse of my Indention lor tha-tnwftietiQn' , of>eliroard,,a (fywmW toowd of normal mWst- sb anoc otafl hoyiiig sub&tantiady the MUae'physical l~-mi,ww4 properties ng ofher hlgl)gmda products T#f .to* came type, null nbvlii# the zuiuiml fit tax mmitio- ' tfllte group and to* email amount at fibre'wteitd ; tooroughly throaghoist the body material, may be 0<r h~r. P*r ' ipm:fc'42*1 Warn- IH% (fJAIlha njnwh. .jjjtat ninurM rows. tewtM* & gma<K9.. ffife' toade on-the usual board, nutehip* mwylded Wtth; to# necneoaxy utaterial foedlnff e^uiptaent. The ' cpiuMm of'-the board eons or plaster Jaycf eXpanelhle tuteeral, Is, dot mptUMtrc, arid. to*, op-. wtm eapcmd.to Ore M actually benefleta] w e. ratlop. Of r. rlndlng. the mineral and otoetwl^.e regards flie resistance, provtdrd fbe otecunf of preparing It for uae.te not.dlfBdslt2- 'Xha mlhwM iu> expanstotr 1* not ao groat, as to Causa hedging of co'eonpinyed in its mw/rousehtuodM ebbriitien eo- too board or piaster layer to such desrw that it epabatee wfto to* remaintov ingyodtante .of to*. cracks and open* up or falls 'off in eeetfono, it body material, tor giving' the Mata tbe desired It remain* to pines to serve as a barrier to the normal; ehamoterirtlcs. When, however, toe wtoutge of beat bud ftama, toe increased ther- board ifi cubjeoted to the heat of a desfartfcttyp ffm, to rati Insulating rslisA-Nindttog from toe tooteased .' to* mineral, enwridd to- i6n tor offHotetng 'toe thickness of to# expanded benta tote or plaetof wmtraotion at toe other body material Ingredl- layer nirera addlttonal resistance to tomperoture . toteand tow substahrtaHy pniseryes toe fonn, rlje on to**id* opposite to*fixe. toe-rite, arid the toftpc Of toe boftta'With a olial- The ineroaud therinal tanulaWng value^teeult- pfoxh of dttJortion "so ss to lengtoen giibstaft- ing from the Increteari tbickties*' wa$ dstmtpytriite i AU5.31'20 1 13:19 618-251-2251 THE SIMMONS JIRK #0387 ?.00 , To ' From: BY/m/m 00:Z7pn Pane: 0% This Patent Image Provided By USPTO 8 tA by additional teste. A series of 0" x fi" sam ples take from th same boards 7,1.3 and 9 fisted In actual practice, I have found that a grad* of asbestos designated as 6-R is apMwhl# and eco?- in Table m were placed in ft horteontal, posi tion all a definite helshli above a bfrimr O typ* gwi burner and exposed to tn* action at toft dare >mdr carefully controlled conditions of (u prassure. The time required for tiie paper nomirel far Mm purpose. Tills asbestos fibre u wt mcdiinB length, and. Is eooneaalcal to cost. Hesuits of ft typical screen test of ibis fibre, Prifiif GO ton aotnpte sad 8 hioh diameter netted screens shaken on a Ito-tap ntadfine for IB ndiw on the top Cttnetposed) side of each sample to utes were a folSew: lr*j m recorded. The thickness of tha core Tsois fta- vt before sad after heating th also measured and to* change ha thickness was reewtUM. Result* areAiwa In Table IV. la Retained. on 13 dicsTl...- Par cent - ---...--. --*--w-. 11-7 TUxWugh 8 mesh sad retained on SB hlteb-- 69& ruble ffo. TV Through 28 mesli and retained wt 48 ateah-- IS.* Id Through. 48 mesh--..------------- S18 BMMLK6. Wriftw- "JSk HXM> longer fibred aebeetoe to more effeotive on an. equal weight bads, but tbs cost per pound to also r.n...... ................... ...... _ _ wiirav^J. * ..... ...... __ ... SO higher. ' TWP bum glnea wool mannfaotured by the Owens Corning Fiberglac Curpornttoa IB a sat isfactory grad* of glass woo) for tba purpoK. 2 have had vary satisfactory reanlte by the use Of Ubby, Montana, vermimfllte from the mins of the Thuversnl Zentdlta corner, using such vsrauimt* commiontea to sttber minus m man commercial grading or minus Si mesh ccomaex tern grading end employing from to 18% of such venalcullte based on the weight Of the mixture. 1 hftva kIsq had. my totiGfAetory remote by hie line of 3% of fibre, either 3% of ftftbestos fibre of 1% M asbestos fibre and 1% of glees woo! fibre. I bave found the asbestos fibre more sat isfactory with respect to cohtrotfinf and feeding the fibre into the mixture. Results of typteal tosetm. tests of the wrami* *w**d raw tiuata < used by ran end, desig nated se "minus 38 mesh, commercial grading" 38 80 38 40 muck wuvl may he upon, hut It 10 mort; CUllcaM to disperse In toe mixture and to net os effective na toe glam woo! on an equal weight basis. In making the various gypsum boards, eon- taining unexpended ruralcufite and fibre as ohowB. tnTtbhle Mb. Ur, abvut l?& buorlivw starch was used in toe core mixture, la rnsAinx toe boards, 1.0 piuta of dir Ingredlenis were mixed with about 90 parts of water to make a moidAbte slurry to which a eofilclent qnft-,xtlty of soap foam or totoar was added to produce dry board of-oiwhalf tech thickaeea w&ghinr from. 3 to 2J3 lbs. per square foot- The flurry was molded between cover vheet* inn when the core had rat toe board v dried in the usual manner In a conventional wnU-feoavS, erir. Ttj consDticn with the form of my Unproved, and "minus 3ft mesh commercial grading!* are panel, Ao shown In FJg, 1, to* cover sheets of shewn HStoItowa: paper function m the same way aft they do in DonaectiOri .with to# twttawy waJlboard. oervteg ' Tnbfo No, v to prot**t iin> ptaeter body mad to give toe ptod- 48 act strength during toe formation of the board W` ran*anhm MwmaxnM on toe board machine and to give the board to* desired strength and iWOmn In position on a wall. Bach covw ghsete wre not rehiM upon, how ffirijjjjt ammmi'tS^aaSy SSaBffi' r^^giirKBE,TiBSiS3*iw`wir i&iopnn>t^ nl> wtoheiaii itwm&i' Tfeii*i lofnW*! Ptf KPft.fd U. e at 9P.,4B im.o ever, few Mfordln* any protection agwteet fito, 80 since ton eovar sheet at toe face at tbft BodKt .ftt ; * a* which the fine attack* is very soon burned eW*y 44,1! so as to give the fire direct access to the face of mftDt- the body material, at toe panel. After the coyer shoe$ u burned away, to planter rinb alone is 100,0 83 reded upon to maintain its form without and without wtoplng such a* might penult toe tin to forte its wwr through the watt. ' X have also found that the amount of fibre re quired depend* to a etmrifiemWe extent upon the length and toickaeai or the individual fibres and. It wifi be'understood that It Is highly impor tant that when, nrr Jmunrv&d pinate* k <k- tnolted by a fire at one fare only of the panel, upon tbtir ability to wittwtend. wreiwiloai mix such face or the Panel Kh&U be protected efiste ing sod handling wttfewt excessive reduction In. MVCty against either contracting or eStpdnfiiBf. length. With very long, tough fibres, t have xr to* Attacked face at to# board of Fig, z <#&> found that 1% la euflteleat in mast eases, while wfifa saunter fibres as much ae B* to 10% may re w*cl gruatly as aompnred with the opoorite face or me board, tbs beard wm be caused to *m> so be required, one of tbs principal function* of m to prerent, a concaved face toward toe fire. IX toe fibre )* to prevent malltog of the planter as the raw vgmletittto partfolre expand when toe toe attacked fare should expend suhstantlaJiy ae ramprtrM. with' the opposite f*re, the bosnl ptastor l exposed to firs. Without any fibre pMmat toe plaster spalls and disintegrates to aalriaotion progresses and expansion o' the raw 'vramlcwllte partlrfm occurs omler too ihfinene* of heat smBdsnt fibre should re used to pravent snob spalling and to bind toe calcined board. non at Other plaster layer together. 70 7ft woald warp la. to* opposite aireoftton m m to present a MttvSx Hare toward the fire. Ife toe event'of iwh warping hi either direction, a v*ty strong prewure is applied on toe rids margins of the board edgewire toe board eervteg to fore* iroeb margin portion* loom frem toe **ourto* means, py which toey ax* neid bn toate A'JG.31'2001 15:20 618-251-2251 :HE SIMMONS FIRM #0387 P.010 To: Frami 07/B3/B1 BfllZBim Pope: 607 Tills Patent Image Provided By USPTO ' . :i'r ' .. " . . ... , d ' ' : . . ,, to, ..v'/; servbl fbdstoOpten upttwjotrrte be. would, When. the gypsum-board Is cnblepted to tiifmb ftdiMidbV seetidto dr the bawd toto- thus beat, approach elostoly to the' amount of e*- tb destroy -Very djfiritfy the effectiveness df to* pgfMon whloh would be Obtained with the leader board (Tor stopping the* aOvaneo of the fire. By 1 amount* of high-untoe raw veiraiouMte ttg'^ded- tiib use'of my Improved plaster board, In ybloft a fled, . . the temiacy forthfe face of the board fco 'fcon- m'ylAprdvcd plaster la to be applied by tract by reasoa <it the pTessasx of the set tawmt emUaier wafl ->teaterig methods, the pwfcer- M balanced'sfid cmmierectedby the ' tendency won# of WevttrolcMMte and fibremayto about for tho fnoe 'oi.'-tbe'board 'te owsamd1 bjr *TM*0 th * '.are cpwHJted' iftovar Id eomsacttOT) Of the presence (he varnjlCUHto, mjhriAntlnJ to MW wanbcard^Ol- tb* Wtoiuit of Mtovertnifcuilto protection Is afforded against the opening'up of obd'flbf8' w* be suWrtiurtieny laoreaaed so as to crack* In the face of fcbe wall and sdO) o*ingt ubtato ^' tocreSsed. irifitilattog sTtodt The h warping of the board such as might week tot ai the tocretofed sanotmt of 'rnmlCnlite and fibre , Joints between adjacent panels. The period of to powtole in toe plastered w$B by reason of.the time,. Wins, dining Which this stiff selfunstained. 10 (hat-, the'lath in such, snlU provides more -board to effective tot protecting against toe ad- fiseurs'apuctural sltobort for the-piaster. - - :. vanoe of a lire to very ^rbstnhttony Increased. . Tbs tinfheral of the vermlpullte gtoap and the / *nm i&.bf my tonratiorite oonnaeticnwlto* fibre mw bo iai*od with the gypsum r ether piaster wall os shorn to Rf. It to of substantially. body mjwarfal either at'the time of manufacture the smno impartapee as In, coitoictinu with .a SO 6f ihsptfitor or..at- any otbcrtlme ftrtaftotfce tfrimitenl.' mien a fire attacks 'toe face of a HppHeatfiffi of to*' cjansntittorai mixture totlte wMJ such AS to shown in Rg; 9,'ln wfttob there vtoai-- Booh plaster on thewttff nu^-be- oevored. are po. paper liners employed, any substantial by a white coat of any suitable type-as well. oi wMpdnff <ii ttoi* pliuter panel* wvdiS . tesoVPW XA th* jut, or it map fee COffHNl * have n marked tendency to open up cracks be- &* special units eoe-t fiovlnf uiicaral of the 'Per-, 'tween portions of .the wall robe, to as to permit 1 mlcultte group incorporated ttterewlto,. and wtth the fire to advance through sdcb' Crocks, or so preferably a small amount of uon-ccrabooMblc ns to im fragments of t&# face matsrisl to be- fifere as Indicated abwe, .. . '; Wmo dislodged nn tho ItttHU Ctep to. a epeody - Ufa* subject lfctt>Sr at oj^jllomatv Mirlfo* ip. braaJtdown of thd wall sea whole. 80 plication, BsrtoJ Wo. fllfljflgs, was covered bf an When a fire attacks a wan having a face made applloation. In Canada, Serial Wo. BJ8.IS7, filed principally of gypsum without any vendioinlte Septembers, 10*4. dispersed, therethrough *o ns to enute the face Of ' I claim: ` the board toward the firatocontropfc, or, niter- . 1.A plastic, composition comprifling conMId- . natively, mtuia principally of syjwiHn With to* 35 routed eudned gypsum adapted to act when great a ptwporflon of., vomltoJllte.. dlsporeeS ;; mi*sd with wster,.hiyh-griuie oemminuted ver- therothrough o a* to esase the tore of the Inrd mJculitrof about minus fift.meghr ocmunerrfaJ toweyd itoe fire to exjwtnd MMHantfaBy ao com* ` grading' adapted to expand by exfoliation tmon pw'cd w*w tbr. applto feoo,, ,o*- fee t tb MppbeaUob of boat thereto "d (Wed to to either case the ftuto of the Wall to broken Up *o amount in the nrnge between 316% wt4 TY% of into aepoxated pioeee so.os to destroy the Uec- tbs wtesht of the mixture, and nbn-oombn8tlblo' tivtototo of me wOn ibr stopping the advanda of fibrous material, dispersed through the.mixture A fire tone before the separate pieces baVB boezi' and conetituMng by weight jji the rangfl Wweeh Sxo&tJy vFMtomja to utoeegth or etUtams. hg- i% uul JOO, of the cotnpwrftteo, Use gypTOm era- failure being':duo to the breaking up-of the wait IB toot in. sold mixture emstltntixig: a qnaRtlty ref- as a whole' rathe* umn to' the deatnictton or , ficient with. .MU' mtoorel dhd mid ilbrons ma- ' wvakentng of (meSeparata plce of the panel, ferial to sttbCtanttMly ooropiste tho'lOOJd owitent MP improved gypsum, wafiboard 1 compornWe of the mixture. '1 , , in Avsry imperianf eacoeet wftb other htoh-gred* a, a piaatle compoeition mtotore etowtore Wparn wallboards oft the mnrimt, . In the fire M 'cgmmlsutgd calctoed gypsum adapted to set 1 tans conducted at Underwriters leborttodM, . When mixed' with water, a mineral of the vtt- . Chicago, minds, according to Standard Methods mlouilte.grettp in rttomumited form capable of of fin Test* of Building Conetruotfon and Ha> being exhonded by exfouatlon by tho apsdJcatertolA A. U, T, M. derignaticiD C18-*l, cm wood ta^Tct beat Utoreto, and nonJsombusblo fibrous studded, load bearing partitions faced an each t.fl material dUtporead through the mtxtnre and con- ride wtWb am tbirttoea* of snob board, the par- gfcftuttng by weight in the range betwnen 1% and titlons received a fire resistance rattog at at least 10% of the eombcoitloa, the degree of oommlau- 4S minutes in each instance, a atinlmum fire ti.cn of 1h.e minsrex of the vennlcullte group and rerioteoeo rehns of * arJantea to reonired. to the grade end. iMnount at aonUmlnBral tood behuc y. u. A. TcguiarioBfl for oM^atatype* of partitions M 6u,at tnat when the coat made from aush mlxteo to rental bonring proleeta. Wood sttKMed par- hreted te a high temttoxatnre rite eXpanrihlo tittoos faced on eaeh side wffih'one layer of reau- nitoend to the cast Shall have about the sntoe lar gypeum, board hare failed to meet this total amount of sutpantton as Would-8%% to rcgidienLent. re fa cvi2mt, ttoerefiwei Biwt 14" 7tfe% at niato-giado VoreUeuilte of mimW . topwito board haring 6 acre made acocnfing to gg. iaesb coaunSnlal.grading, too gypsum oontent my invention iertm a definite need sod hoe. a In gild1 mixture constituting *. quantity snfllifient' ` daflnlte advantage over itonvinttonal $&" board. with gate mtoaml'and sold fibrous auiterial to When using a lower grade of ywmteuMe, or mfbstantlitily complete too 100* content or the some other mineral of the reTmimiate imws! nob mixture. ,. - adapted to have so Crest expansion as blgh-grade 79 . s, A still amf-ttistninlzur panel adapted for use vermJimlite, i would expect to use m increased the outer etewturol loyer'of a wall strecture amount of such lower grade mtoeral, nr woifid . and to the fotm of a body, memtasr oompristng increase the paxttefe Sire of- sucb.iOw gred^ thln^ about S3%, of pet eatetoed gypeum as the major oral,' so as to Insure that tils amount of the ex* logredlant,' about !l%, bf Wright of asbestos fi- pansi.cn or toe mtosmi or toe vetotisqtite group 76 urr; and about b% by wright of hlsbrazade A'JG, 31'20 01 13 : 21 610-251-2251 THE 5IXMONS 5ISM #0387 P.011 To; * Fran: 07/B3/01 00:38pm BB0 This Patent Image Provided By USPTO Or086,0B8 n 12 iwmmbwtea vamiieidlte m its tmexpanded ream fmm i to 1.0% by weight t uoD-combwUhle and, of a partial* dz* at about minus U8 mtb fibres dispersed through tbo body, end. about B% oonmmMjsl grading, said fibres and said own* to 10% ol bttrb-grado comminuted ffiraUeuMte la minuted mineral being dispersed through the its unsxnaruted form and 'of about minus 36 body. ' g mesh eemmerolal grading dlecuruM through the 4* A stilt eoK-^yetalJiing peso] e^taptoA f#it body, the gygewn nteat ta mIA uihlim eea? m th eater structural, layer of a wall vteuettve stitating a ObsntMy sufficient with bald vermin* and In tbs form of body member comprising set ullte and sold fibres to substantially complete eshHacd gyjwum as libs major iftfirsdisot, from, the ioa% content of the mixture. 1% to 10% by weight of mm-oombustlM* fibres 10 MTOHELB CROCK dispersed through the body, and oboist SVk% to 7$6% of hitfh-erede coromlmited mimieullte In. BEFKBUOCEg C*TKJ) its unexpended torn and of about minus SB The following reference* ire of record In tb* mesh eoCMBSTtlut trading disparted (hroegh the body, the gypsum content In sold mixtnro coostltuMng a qnantaty sufficient with said wmlc- IB file of ibis patent; DOTTED STATES PATENTS . utito and mid fibres to enbstendafly complete tbs Number hum Date 1.00% sonteat of tbs mixture. 1,7WW6 Haggerty----------- Ftb. 19, 193s B. A sfifl self-anstaintag panel adapted foe use 1 &QJBU Delaney____ _____ ,, Deo. 1*. less as the enter structural layer of a lt. rtruetute to ajOoe.Hfl New ___ __________My 33, 19M and in the form or a body member ootnprtfflng 2.060,395 FinefnMk et d, ___ Vtav. 10, i98 set calcined gypsum <m the ntafur ingredient, WP9,4e0 Hawley------- ---------- Aog. I?, MBT AUG.31'2001 13:15 618-251-2251 THE SIMMONS 7IRK (toss'7 P.005 Fnw: 07/03/01 B3;Z2p*i Fane! EMZ This Patent Image Provided By USPTO OcL 17, 1950 PLian# oife^8??S5MTOUL3 AJO fRODOCTS MU* THCRChm Oriliwi mtf HOT. 16, 143 &62&056 . Itfi&AeJo tfroee/* ^StMcr-net/.