Process for the manufacture of film cartridges

Details Process for the manufacture of film cartridges Process for the manufacture of film cartridges

1987-10-05

1989-09-19

Cashion, Jr., Merrell C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

295641, 156215, 156218, 1562724, 1562753, 156277, 493117, 493287, B65B 728

Patent

active

048678155

ABSTRACT:
In a process for the manufacture of film cartridges which have a substantially cyclindrical wall, a film opening extending along a generating line of the cylinder and caps at the ends, one plate per cartridge is separated from a flat strip of material to form the cartridge wall, which strip of material contains the plates for several cartridges and has a width corresponding to the circumference of a cartridge wall, and the said strip of material is fitted continuously with a sealing material along at least one of the edges for the film opening before the plates are separated, the said sealing material being delivered to the strip of material in the form of endless band of sealing strips which are bonded to the strip of material as they pass through a glueing station.

REFERENCES:
patent: 4024557 (1977-05-01), Aoyama
patent: 4106420 (1978-08-01), Takahashi

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