Methods of and apparatus for applying a waterproofing material t

Details Methods of and apparatus for applying a waterproofing material t Methods of and apparatus for applying a waterproofing material t

1985-01-28

1986-06-17

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

29745, 29825, 156 56, 156203, 15624423, 156466, 174102C, 174102R, 174102D, 174107, H01B 1310

Patent

active

045954313

ABSTRACT:
Methods and apparatus are provided for controlling the quantity and distribution of a waterproofing material (26) on an advancing strip (76) of plastic material which is wrapped subsequently about an advancing cable core (22) to form a core wrap. When the plastic strip is wrapped about the core, which has been filled with the same waterproofing material, the waterproofing material on the strip fills any spaces between the strip and the core, between the strip and an inner metallic shield (31) and a longitudinal overlapped seam of the core wrap. In another cable structure, a controlled amount of waterproofing material is disposed along a longitudinal edge portion of the advancing strip of plastic material to insure a sealed seam when the strip is wrapped about the core.

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