Method of manufacturing tubular film

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

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156184, 1563082, B32B 3100

Patent

active

059449306

ABSTRACT:
A tubular film having a high film thickness uniformity and suitable for a fixing film of an image forming apparatus is provided. To achieve such a film, a thermoplastic sheet film is so wound that the leading and trailing end portions of the film partially overlap each other to form overlapping portions, and the wound film is heated between a core member and a tubular molding member.

REFERENCES:
patent: 3993522 (1976-11-01), Ballou
patent: 4082521 (1978-04-01), McGarvey
patent: 5256227 (1993-10-01), Roelofs
patent: 5560883 (1996-10-01), Lane et al.
patent: 5720834 (1998-02-01), Steele et al.

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