System for stretching and severing strip-like resin sheet

Details System for stretching and severing strip-like resin sheet System for stretching and severing strip-like resin sheet

1987-12-17

1989-11-21

Heitbrink, Jill L.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Means joining flexible indefinite length or endless bodies...

26 51, 26 72, 83410, 242 586, 425366, B29C 4324

Patent

active

048820067

ABSTRACT:
A system stretches and severs a strip-like resin sheet unwound from a sheet roll to produce a product of a prescribed shape, the system having a stretching device having forming members for stretching the strip-like resin sheet into a fan-shaped resin sheet. The system includes a device disposed downstream of the stretching device for severing the fan-shaped resin sheet on cutting edges, and a feeding device disposed downstream of the severing device for feeding the product to a prescribed area. The system further includes a conveyor for conveying a preceding sheet roll nonrotatably to an unwinding position upstream of the stretching device, a pinch roller disposed downstream of the unwinding position for unwinding the strip-like resin sheet from the preceding sheet roll, a suction delivery device for pulling the leading end of a resin sheet on a next sheet roll to a splicing position positioned between the pinch roller and the unwinding position, and a splicing device for splicing the leading end of the resin sheet from the next sheet roll to the trailing end of the resin sheet from the preceding sheet roll in the splicing position.

REFERENCES:
patent: 1261056 (1918-04-01), Pfohl
patent: 3639194 (1972-02-01), Plunkett et al.
patent: 3885899 (1975-05-01), Gurta et al.
patent: 4386741 (1983-06-01), Weiss et al.
patent: 4554713 (1985-11-01), Chabal
patent: 4600465 (1986-07-01), Delannoy

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