Auto-threading method

Details Auto-threading method Auto-threading method

1990-11-13

1993-02-16

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226 92, B65H 3502, G03B 156

Patent

active

051864070

ABSTRACT:
In a film processing line incorporating a transferring/receiving mechanism having a take-up unit, two pairs of cutters are movable in crosswise directions of a film, and narrow portions of the film at sides thereof are cut away by one pair of cutters. Chain clips catch the sides of the film and the other pair of cutters longitudinally divide the film into three parts. The side parts of the divided film are cut away by rotary cutters. The central part thereof is cut away by moving the other pair of cutters toward the center of the film. A portion of the film is thus transferred to and received by the chain clips.

REFERENCES:
patent: 2827961 (1958-03-01), Pugh
patent: 3743197 (1973-07-01), Hawkins
patent: 3805652 (1974-04-01), LaLonde et al.
patent: 3871290 (1975-03-01), Verboom
patent: 4210987 (1980-07-01), Benson et al.
patent: 4611518 (1986-09-01), Hildebrandt
patent: 4964585 (1990-10-01), Negrussi

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