Methods of and apparatus for forming strips of non-metallic and

Details Methods of and apparatus for forming strips of non-metallic and Methods of and apparatus for forming strips of non-metallic and

1983-08-31

1984-11-13

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

29 33E, 29825, 72 52, 156 56, 156203, 156463, 174105R, 174107, 228148, 26427212, 428129, 428379, H01B 1326

Patent

active

044824130

ABSTRACT:
A strip (56) of non-metallic material and one (59) of a metallic material are wrapped simultaneously about an advancing cable core (32) to enclose partially the core. Then longitudinal edge portions (71, 72) of the strip of non-metallic material are separated by a shoe (150) which permits movement of the edge portions in a direction circumferentially of the core. One longitudinal edge portion (72) of the non-metallic strip becomes confined in a guideway (118) of a tool (99) and longitudinal edge portions (73, 74) of the metallic strip (59) are guided along guideways (117, 118) of the tool as the strips are moved through a converging passageway (103). This controls the relative circumferential movement between the edge portions as the strips are moved through the passageway to form a core wrap (33) and a shield (34). As a result, the longitudinal edge portions of the non-metallic and metallic strips are caused to form seams which are aligned radially of the core and which are overlapped in opposite circumferential directions. This arrangement obviates the necessity for binding the core wrap prior to the forming of the shield.

REFERENCES:
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patent: 4360395 (1982-11-01), Suzuki
patent: 4377908 (1983-03-01), Pan
patent: 4404720 (1983-09-01), Bohannon

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