Strip of heat-recoverable articles

Details Strip of heat-recoverable articles Strip of heat-recoverable articles

1982-03-15

1985-01-29

Thomas, Alexander S.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 43, 428178, 428188, 428913, 174DIG8, B32B 312

Patent

active

044966164

ABSTRACT:
A strip of hollow heat-recoverable articles formed side-by-side by tear welding two lengths of polymeric material together at intervals so that individual articles may be torn off. A preferred method of making the strip involves cross-linking after the tear welding, heating the strip, and inflating the hollow articles to render them heat-recoverable by introducing pressure via an interconnecting passage formed for that purpose during the tear welding.

REFERENCES:
patent: 2027962 (1933-03-01), Currie
patent: 3086242 (1963-04-01), Cook et al.
patent: 4232068 (1980-11-01), Hoh et al.
patent: 4342800 (1982-08-01), Changani et al.
patent: 4374880 (1983-02-01), Mesnel
patent: 4376798 (1983-03-01), Diaz
patent: 4425390 (1984-01-01), Changani et al.

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