Document x5OegMKezZ5wan8yLeEvdZD6J

/ LI PLAINTIFFS (I EXHIBIT I JM 1028 /h C j 0 MTC 016895 i f f - 1nr- ' r- *# ' .-. John PJai/ers Method ofProducing Mineral-Wool. tanrra Mast 3t uqm y. 1? MTC 016896 United States Patent Office. AUGUSTA AMELIA PLAYEE AND HENET McALLISTEE, JB., OF PHILADELPHIA, PENNSYLVANIA, ADMTNIBTBATOB3 OF JOHN PLAYEE, DECEASED. IMPROVEMENT IN TREATING SLAG FROM IRON AND GLASS FURNACES FOR PRODUCING A USEFUL MATERIAL. Spoolflotion forming part of Letter* Patent No. 108,630, dated Ma; 31,1870. To aU whom it may concern: chamber or room provided over tbe blast. Be it known that John Playeb, deceased,, From this receptacle it may be removed to be ^ometime of Norton, near Stockton-on-Tees,, packed, or for use. in* the connty of Durham, in England, and a Instead of a blast of air, or hot air alone, a subject of the Kingdom of Great Britain, jet of air and steam, or of steam alone, either late of the city and connty of Philadelphia, ordinary or superheated, may be directed, np- in the State of Pennsylvania, was in his life on the flowing slag, without affecting the re time the inventor or discoverer of a certain sult otherwise than, perhaps, iu degree. . new and nsefnl method of prodncing what The annexed drawing will show the form of he designated as vitreous fiber or mineral- apparatus which the said John Plates had wool from the slag of blast-furnaces, or other devised for the conduct of this process. scoria or Bcoriaceoos substances. Figure 1 is an elevation of a furnace with The abundance and cheapness of the ready, the chamber for receiving the mineral-wool in made vitrified material afforded by the vast section; Fig. 2, a plan with the chamber in waste of- slag or scoria at blast-furnaces section. and glass-works will doubtless render it un Tbe blast of air or jet or steam, or of air necessary to prepare scoriaceons substances and steam, inay be obtained or derived from expressly for this process; but, should it be a fan, or from a boiler.and fan, or in any other deemed or found more economical or other well-known way. wise desirable, a mixture of silioious, calca The slag or scoria is melted or produced in a reous, and other-ingredients may readily be suitable furnace. A, and flows down an in-' made and vitrified after various well-known dined hearth, B, into a chamber, C, where it formulae. is exposed to a blast or jet from a pipe, or From the slag or scoria, subjected to the nozzle, or tuyere, D. The fibrous material process hereinafter described, is obtained a prodnced by the blast, being very light, is vitrified fibrous tn tterial, highly non-conduct blown against the wall of tbe chamber next ing, entirely incombustible, and very especially the furnace, and deflected into the chamber adapted to many uses, of wbicb it may suf behind tbe blast-pipe, where it accumulates fice to enumerate tbe covering or jacketing until removed. of steam-pipes, steam-boilers, bot-blast pipes, It is obvious that the blast or jet might be aud tbe like; tbe lining of refrigerators, tbe be applied to tbe slag as it runs from an or filliug of fire-proof safes, and other similar dinary blast-furnace, aud thus save the re applications for preventing tbe transmission heating of the slag, aud this would, perhaps, of beat or arresting the spread of fire. constitute the simplest application of the in This material, may be osed in bulk, or vention. formed into sheets or pads, in tbe same mau- The apparatus above described, however, ner as hair, felt, or potton wadding is formed, forms no part of tbe subject - matter herein or it may be spun id to rope or yarn and ap claimed, as the same may be varied at the plied in various ways that are obvious. dictates of. convenience or economy; bat Tbe invention consists in melting slag, sco What is claimed herein, as the invention of ria, or scoriaceons substances in a cupola or the said John Player, is-- furnace of auy ordinary construction, adapted The method, hereinbefore set forth, of pro to the purpose, and from which a suitable ducing mineral-wool or vitreous fiber by sub conduit is provided, so that tbe melted mass ,jecting a stream of melted slag or scoria to a may be allowed to flow from the cupola or blast or jet, substantially iu the manner here furnace in a small, stream. Upon this flow in described. ing mass a stream or blast of air--by prefer-, ADGUSTA AMELIA PLAYEE,* ence, a hot blast--is directed by any snitable HENKY McALLISTEE, Jb., device, aud this blast'of air, acting upon the Administrator* of John Player, deceased. flowing slag, separates or subdivides it into In presence of-- exceedingly floe filaments or fibers, which are Wb B. Dayton, blown off into and retained in a suitable J. Snowden Bell, MTC 016897