Profiled plastics bag closure strip and adhesive bonding method

Details Profiled plastics bag closure strip and adhesive bonding method Profiled plastics bag closure strip and adhesive bonding method

1980-07-30

1982-10-19

Norton, Donald F.

Purses, wallets, and protective covers

Protective cover made of flaccid material

For a racquet

24201C, 156 66, 156291, 428100, B65D 3324

Patent

active

043545416

ABSTRACT:
A closure strip (1) which incorporates a profiled closure element for use in resealable or reclosable bags is provided with a channel (4) in its surface which contacts a bag forming substrate material (6) for receiving adhesive (5). The presence of the channel ensures that a suitable thickness of adhesive is present at the time of bonding of the closure strip to the substrate. The invention also provides a method of making bag forming material by use of such a closure strip.

REFERENCES:
patent: 2681716 (1954-06-01), Black
patent: 3761336 (1973-09-01), Quinif
patent: 4154880 (1979-05-01), Drennan
patent: 4250596 (1981-02-01), Hara et al.

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