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公开(公告)号：US3522088A
公开(公告)日：1970-07-28
申请号：US3522088D
申请日：1966-06-29
Applicant: SUMITOMO ELECTRIC INDUSTRIES
Inventor： KAWAZOE CHISATO , ICHIBA TERUMICHI , IWAKURA SEICHI , SHIMBA HIROSHI
CPC classification number: B05D7/20 , H01B13/16 , Y10T428/249953
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2.发明授权Process for the production of highly expanded polyolefin insulated wires and cables 无效用于生产高度膨胀的聚烯烃绝缘电线和电缆的方法公开(公告)号：US4468435C1
公开(公告)日：2001-06-12
申请号：US27940081
申请日：1981-07-01
Applicant: SUMITOMO ELECTRIC INDUSTRIES
Inventor： SHIMBA HIROSHI , SUZUKI FUMIO , YUTO MASAO
CPC classification number: H01B13/067 , B29C44/322 , H01B13/24 , Y10T156/101 , Y10T428/2947 , Y10T428/31692
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3.发明授权Method of manufacturing electric conductor insulated by foamed crystalline polymer 失效泡沫结晶聚合物绝缘电导体的制造方法
公开(公告)号：US3521299A
公开(公告)日：1970-07-21
申请号：US3521299D
申请日：1966-05-31
Applicant: SUMITOMO ELECTRIC INDUSTRIES
Inventor： KAWAZOE CHISATO , ICHIBA TERUMICHI , IWAKURA SEICHI , SHIMBA HIROSHI
CPC classification number: H01B13/065 , H01B7/2825 , H01B7/2855 , H01B13/16 , Y02A30/14
Abstract: 1,136,149. Foam coated electric conductors. SUMITOMO ELECTRIC INDUSTRIES Ltd. 31 May, 1966 [1 June, 1965 (2)], No. 24196/66. Heading B2K. A foamed plastics insulated electric conductor is produced by coating a conductor e.g. copper wire, with a solution of crystalline polyethylene or polypropylene, dipping the coated conductor in warm water having a temperature of 50‹C or higher, drying and subsequently heating to produce closed cells in the coating. After the dipping in warm water, the coated conductor may be dipped in a liquid which is compatible with the solvent used for the solution of polyethylene or polypropylene e.g. n-propanol at 50‹C. or higher, or warm air, which may have a temperature of 35‹C. or higher, may be blown on to the surface of the coated conductor, prior to the drying and heating to produce closed cells in the coating.
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