Heat shrinkable covers

Details Heat shrinkable covers Heat shrinkable covers

1979-11-19

1981-02-24

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428516, 428913, B32B 2302

Patent

active

042528496

ABSTRACT:
A heat shrinkable synthetic resin cover is made of a rectangular sheet shaped cross-linked polymer. A flexible electric heater covered by a cross-linked polymer is contained in a heat shrinkable synthetic resin member so that the electric heater crosses at right angles to an inherent direction of heat shrink of the member so as not to prevent inherent heat shrink thereof. Further, a pair of tongues are provided along each end edge of the heat shrinkable synthetic resin member. When the cover is applied to seal a joint between two pipes or electric cables, the tongues on the opposite end edges are superposed one upon another to interconnect both end edges of the cover.

REFERENCES:
patent: 3086242 (1963-04-01), Cook et al.
patent: 3655503 (1972-04-01), Stanley et al.
patent: 4084028 (1978-04-01), Rasmussen
patent: 4085286 (1978-04-01), Horsma et al.

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