Method of applying printed labels to flexible envelopes using co

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

156277, 156290, B29C 1902, B32B 3100

Patent

active

041207165

ABSTRACT:
Plastics bags are formed by welding a continuous tube or a pair of continuous films or a continuous folded film, and the finished bags are marked by attachment of pre-printed panels of plastics material using adhesion by corona-discharge irradiation of both the bag material and the printed panel material.

REFERENCES:
patent: T888001 (1971-07-01), Drake
patent: 2237346 (1941-04-01), Gilfillan
patent: 2773285 (1956-12-01), Piazze et al.
patent: 3823061 (1974-07-01), Frayer et al.

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