Photography film spool

Details Photography film spool Photography film spool

1979-02-13

1980-09-02

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

042202922

ABSTRACT:
A spool for a 35 mm photography film of plastic material with parts of the outer surface of a winding shaft thereof brought into contact with the film being matted. The parts matted have a surface roughness in the range of 5 to 15 Hmax (.mu.).

REFERENCES:
patent: 2477010 (1949-07-01), Schmidt
patent: 3253758 (1966-05-01), Horiuchi
patent: 3297155 (1967-01-01), Gattenby et al.

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