Film roll of a thermoplastic resin film

Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature

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Details

428141, 428364, 2421601, 242525, B32B 2302

Patent

active

061625299

ABSTRACT:
A film roll in which the distance from the center line of the film roll to the edge of the film extending in a film winding direction is slightly changed in a film breadthwise direction.

REFERENCES:
patent: 3536273 (1970-10-01), Hawkins
patent: 3801036 (1974-04-01), Hasler
patent: 5023142 (1991-06-01), Hetzler et al.
patent: 5328745 (1994-07-01), Kurihara et al.
patent: 5595819 (1997-01-01), Anderson et al.
patent: 5618609 (1997-04-01), Chujo et al.
patent: 5620774 (1997-04-01), Etchu et al.
patent: 5656356 (1997-08-01), Masuda et al.

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