Document JvDkOmqLjkngzgp70dLay1rzv

No. 83 May 1964 118. Chamberlain, Merle D, (t Koppers Co., Inc.) Sandwich roofing element U.S. 3,111.787 (Nov. 26, 1963) A foam core ia laminated between sheets *f plywood or asbestos cement. The top is then covered by tar-saturated asbestos roofing felt. 119. Callaghan, Albert E, (to Birfield Engineering, Ltd.) Feed apparatus for opening machines for fibrous materials U.S. 3,127,638 (Apr. 1, 1964) The feed rolls are fastened by springs so that they can spread apart to adjust to the thick ness of the materials being treated. <1 120. Carroll-Porczynski, C. Z. Pitch fibre pipes Asbestos Bull. #2, 3^-39 (Mar.-Apr. 1964) A review of the history, uses, and manu facturing methods is presented, including a plant layout. The information is bssed in part on publications of the Pitch Fibre Pipe Association (England). 121. Berger, Hans Strength of asbestos fibers Gummi Asbest Kunststoffe 17, #3 258, 260, 262, 2547 266, 268 (Mar. I964T A survey of work done on the tensile strength of asbestos and reasons for the wide varia tions in reported values. 21 refs. 122. Gummi Asbest Kunststoffe 17? #3> 327 (Mar. 1964) i Neels, H. Fiber crystals (synthetic) Silikattech. 14, #7, 209 (1963) I ASARCO ALV 0002060 -2- Monthly Index of Russian Accessions 16, #12, 3723 (Mar. 195IT5 The following articles are all from Trudy NIIAsbest. Prom. (Trans. Sci. Research Inst. Asbestos Ind.) #2 (1962) 123. 124. p. 3-29: Belov, M. A, Efficiency and methods of averaging the quality of asbestos ores + p. 30-69: Sofronov, F. P. Studying the establishments of norms of developed reserves for the open pit mining of Bazhenovo asbestos deposits 125. p. 70-98: Kravtsov, A. Z. Investigating the degree of laboriousness in conducting mining operations at the "Soiusaz-best" Trust mines 126. p. 99-109: Mluller, E. K., et al Few machines for the treatment of asbestos 127. p. 110-116: :'akhnev, S.`G., et al Metal detector for the control of asbestos ores 128, p. 117-126: Pogadaeva, T, M. et al Developing and testing automatic control apparatuses for determining moisture in asbestos ores after drying 129, p. 127-132: Bakhtin, V. E., & Panaev, V. N. Mechanization and automatic control of the assaying of ores and tailings In asbestos ore dressing plants 130, Monthly Index of Russian Accessions 16, #12, 3778 (Mar. 19W) Novakov, E. I. Photoelectric methods of continuous control of concentrations of suspended matter Sbor. trud. VNI13tromma3ha (Papers. AllUnion Sci, Research Inst. Machinery Bldg. Mater. Ind.) #2, 81-120 (I960) * I ASARCO ALV 0002061 -3- 131. Milewski, John V. >. Shine, James J, Vhiskers for reinforced plastics; initial research oromises new properties dimensions Reinforced Plastics (U.S.) 3. #2, 10-12 (Mar./Apr. 19^) The use of asbestos at present suggests how other fibers, of metals or sapphire, can be used for reinforcement. The known properties of fibers are discussed. 132. anon Asbestos armor for R-P pipe Reinforced Plastics (U.S.)_2, #2, 16 (Mar./Apr. 1964) An installation of "Bondstrand" pipe made of resiji and glass filament wound on a resin-imprdjpated crocidolite asbestos base. It was produced by Amercoat Corp, and installed at Stauffer Chemical Co.'s plant at Compton, Calif. 133. Fefer, M. et al High temperature-resistant caulk Adhesives Age , 34-35 (Apr. 1961;) The caulk is composed of asbestos and Enjay butyl latex 80-21 plus small quantities of talc and sodium silicate. It was used on a pipe system conveying coal dust to a power plant furnace. 134. Sinclair, V:. E, Operational efficiency as a cost counter Asbestos 45. #10, 2, 4> 6, 8, 10 (Apr. 1964) 135. Chem. Abst. 60, 9005d (Apr. 13, 1961;) Fckenfelder, V. V;. 3: Barnhart, E. L. Performance of a high rate trickling filter using selected media J. Veter Pollution Control Fed. 39, 1535- l550Tl963l 136. Chem. Abst. 60, 98l6e (April 13, 1961;) Davis, J. M. G, Electron microscopy study of the effect of asbestos dust on the lung Brit. J. Fxptl. Pathol, ^4, 1;54-461; (1963) 137. J . vO-C-- anon Asbestos Corp, acquires two mining companies Eng. Mining J. 165, #4i 13B, 142 (Apr. 1964) Asbestos Corp. of Thetford Mines, Quebec, has purchased Johnson's Co. Ltd., also of Thetford Mines, and Murray Mining Corp. Ltd., owners of the Asbestos Hill orebody in northern Ungava. 1,1 ASARCO ALV 0002062 138. anon Development of Pangani asbestos mine is under way Fng. Mining J. 165. --`4, 174, 176 (Apr. 1964) Overburden is being removed from the Pangani open pit mine of Asbestos Investments (Pty,) Ltd. of Johannesburg, 139. Mater. Research Stand. 4, #4, 150 (Apr, 1964) "Asbestos-cement pipe with plastic resin linings is being specified for sanitary sewers where unusually acidic conditions exist. Specifications for this pipe, being presented to the Society (ASTM) by the Asbestos-Cement Products Committee (C-17), call for resistance without degradation to 4E> days contact with a 5 per cent sulfuric acid solution." 140. anon Some notes on Russian plastics Metal Prog. 8, 44, 168, 170 (Apr,.1964) This short digest of a report by Arthur B, Tesmen on a visit to the Moscow Institute of Chemical Machine Building contains Information about the application of "Asbovinil" for lining equipment. Development work Is being done on its use as an unsupported material in piping. 141. Mineral Trade Notes 38. 44, 5 (Apr, 1964) "Vietnam's first asbestos cement roofing plant began operating in early 1964. Daily productive capacity, on a 3-shlft basis., is 3,600 sheets. Sales prices, reportedly were to be lower than those of imported sheets. A second and larger plant, being constructed by L'Union Commerciale Indochinoise et , Africaine (L'UCIA) in collaboration with Fternit of France, is expected to begin pro duction of sheets and pipes by May 1, 1964. . Source: Foreign Service Despatch A-423, Jan, 16, 1964 - Saigon." 142. Oil, Paint & Drug Reptr. 185. 4l5,,;38 (Apr. 13, 1964) "Occidental Petroleum Corporation, Los Angeles, has sold in a private placement the 600,000 shares of Jefferson Lake Asbestos Corporation, formerly held by Jefferson Lake Sulphur Company, a wholly-owned subsidiary of Occidental. The terms and conditions of the sale were not dis closed. The shares sold represent approxi mately 76 percent of the outstanding stock of Jefferson Lake Asbestos CorDoration." 4/29/64 dm (Mrs,) Harriet Mcnride Librarian ' * ASARCO ALV 0002063