Semi-elastomeric polytetrafluoroethylene film

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United States of America Patent

PATENT NO 5674609
SERIAL NO

08468169

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Abstract

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A semi-elastomeric film of substantially pure polytetrafluoroethylene, such film exhibiting an elastic stretch at loads increasing over the range of about 20 to about 30 pounds force with an elongation of about 50 to about 100%, and further exhibiting inelastic stretching above about 30 pounds force and about 100% elongation. The film is particularly suitable for use in forming tapes used in cable splice-wrapping applications since the range of about 20 to about 30 pounds force is the load range characteristic of hand-wrapping. The resulting wrapping remains under tension, gripping the cable and conforming to the splice irregularities.

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Patent Owner(s)

Patent OwnerAddress
TONOGA INC136 COONBROOK ROAD PETERSBURGH NY 12138

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sprague, Walter John R.D. 1 Box-7, Hoosick Falls, NY 12090-9703 1 2

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