Pressure-sensitive adhesive tape

Details Pressure-sensitive adhesive tape Pressure-sensitive adhesive tape

Filed on

1981-10-15

Date issued

1983-02-22

Examiner

Herbert, Jr., Thomas J.

Patent Class

Stock material or miscellaneous articles

SubClass

Layer or component removable to expose adhesive

SubSubClass

Halogen containing compound

Other Related Categories

428212, 428214, 428217, 428343, 428352, 428354, 4284231, 4284237, 4284251, 428480, 428537, 428913, 428914, B32B 702, B32B 2740, D21H 104

Type

Patent

Status

active

Patent number

043748830

Description

ABSTRACT:
Normally tacky and pressure-sensitive adhesive tape, having a composite adhesive stratum made of 2 or more separate layers in which the tape synergistically exhibits properties superior to those of a tape made with either component layer alone. One layer is a polyurethane having some adhesive properties but lacking true pressure-sensitivity. The exposed surface of the stratum is a conventional pressure-sensitive adhesive. Numerical criteria are specified for each layer.

REFERENCES:
patent: 997125 (1911-07-01), Gleason
patent: 2652351 (1953-09-01), Gerhardt
patent: 3161533 (1964-12-01), Gaynes
patent: 3340088 (1967-09-01), Pennisi et al.
patent: 3811438 (1974-05-01), Economou
patent: 3812005 (1974-05-01), Katagiri et al.
patent: 3885559 (1975-05-01), Economou
patent: 4112177 (1978-09-01), Salditt et al.
patent: 4260659 (1981-04-01), Gobran

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