Container cap for photographic film cartridge

Details Container cap for photographic film cartridge Container cap for photographic film cartridge

1990-08-30

1993-07-06

Thomas, Alexander S.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 64, 524580, 206407, 2063161, B65D 8500

Patent

active

052252590

ABSTRACT:
A cap of a container for a photographic film cartridge is disclosed, which comprises a polyethylene resin having 4 to 60 g/10 minutes of melt index, more than 4000 g/cm.sup.2 of bending elastic modulus, more than 55 D of Shore hardness and more than 70% crystallinity. Therefore, the cap is produced without coloring troubles or molding troubles even if it does not contain a lubricant and has a sufficient fitting strength at a high temperature.

REFERENCES:
patent: 4639386 (1987-01-01), Akao
patent: 4844961 (1989-07-01), Akao
patent: 4960626 (1990-10-01), Akao et al.

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