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1. 发明授权

US3876487A Apparatus for manufacturing waterproof cable 失效
标题翻译：制造防水电缆的装置
公开(公告)号：US3876487A
公开(公告)日：1975-04-08
申请号：US38867173
申请日：1973-08-15
申请人： WESTERN ELECTRIC CO
发明人： GARRETT CARL EUGENE , KINSLEY JR WILLIAM HENRY , MOODY LARRY DEAN
IPC分类号： H01B13/32 , B05C1/00
CPC分类号： H01B13/323
摘要： Successive sections of a cable core having twisted pairs of insulated conductors stranded together are moved axially longitudinally through a series of in-line chambers having interconnecting dies of an apparatus with facilities for the pressure application of a heated waterproofing compound having a jelly-like consistency into the interstices between the stranded pairs of conductors. The apparatus is designed to direct the compound inwardly radially of the core after which a flow path of the compound is established into an upstream direction relatively longitudinally of the advancing cable core to more completely fill the interstices of the completed core. Provisions are made for cooling the cable core both prior to the filling thereof to limit the movement upstream of the compound and subsequent to the filling of the core to solidify and render self-sealing the compound. Subsequently, the successive sections of the compound filled core are advanced through various stations whereat a core wrap and sheath are applied thereto together with additional applications of the waterproofing compound. A plastic jacket is extruded about the sheath and cooler prior to taking up of the successive sections of the jacketed cable onto a take-up reel.

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