Film spool

Details Film spool Film spool

1993-03-26

1995-05-16

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

054153638

ABSTRACT:
A film spool comprising a hub that has a central cavity beginning with an end opening at one end of the hub, and a split spline forming a pair of spline pieces fixed inside the central cavity, is characterized in that one of the spline pieces extends closer to the end opening than the other.

REFERENCES:
patent: 2110028 (1938-03-01), Schwarz
patent: 2400024 (1946-05-01), Roehrl
patent: 2643072 (1953-06-01), Kugel
patent: 3066884 (1962-12-01), Rehn
patent: 3104848 (1963-09-01), Joffe
patent: 3106363 (1963-10-01), Epstein
patent: 3282527 (1966-11-01), D'Incerti
patent: 3486709 (1969-12-01), Roberson
patent: 4338015 (1982-07-01), Holmes
patent: 4682870 (1987-07-01), Atkinson
patent: 5245376 (1993-09-01), Takahashi

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