Stock material or miscellaneous articles – Structurally defined web or sheet – Laterally noncoextensive components
Patent
1991-06-03
1993-02-23
Cannon, James C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Laterally noncoextensive components
174 23R, 174 23C, 174107, 359100, 359115, 385107, 427258, 427284, 427287, 427375, 427409, 428194, 428200, 428344, 428349, 428913, B05D 136, B32B 712, B32B 714, B32B 3300, B32B 1508, C09J 702
Patent
active
051888831
ABSTRACT:
A composite tape structure having a metal tape layer and a layer of swellable water blocking material, the two layers bonded together face-to-face. The tape structure is for use as a composite shield and water blocking structure surrounding the core of a cable, preferably a telecommunications cable. One edge region of the metal tape layer may extend beyond the layer of water blocking material so that overlapping edges of the metal tape layer confront each other for bonding purposes when used as a shield. The layer of water blocking material may be formed from tape impregnated with or provided with a particulate swellable material, or the particulate material may be applied directly to and bonded to the metal tape layer.
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Austin R. J.
Cannon James C.
Northern Telecom Limited
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