Film transfer apparatus and a film transfer roller used therein

Details Film transfer apparatus and a film transfer roller used therein Film transfer apparatus and a film transfer roller used therein

1995-04-26

1997-11-11

Woo, Jay H.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156577, 156578, 156579, B32B 3100

Patent

active

056859449

ABSTRACT:
A film transfer apparatus includes an apparatus casing having a feed-core support shaft for detachably mounting a feed core and a take-up core support shaft for detachably mounting a take-up core. The support shafts respectively include a transmission member for causing the feed core to provide a film ribbon take-up speed higher than a ribbon feed speed of the feed core. For slippably coupling the feed core rotation and the take-up core rotation, a slip coupling mechanism is provided. This mechanism is constituted by an engaged portion of the take-up core for engagement with a mating engaging portion of the take-up core support shaft. The engaged portion is elastically deformable to a non-transmission condition with application thereto of a force exceeding a predetermined level. Further, the engaged portion is provided with a mechanical strength smaller than the engaging portion.

REFERENCES:
patent: 4718971 (1988-01-01), Summers
patent: 4787955 (1988-11-01), Nagel
patent: 5472560 (1995-12-01), Horng

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