Vacuum corrugation feeder with a retractable corrugator

Details Vacuum corrugation feeder with a retractable corrugator Vacuum corrugation feeder with a retractable corrugator

1998-06-01

1999-07-13

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271104, 271105, B65H 314

Patent

active

059215402

ABSTRACT:
A vacuum corrugation feeder employs a vacuum feedhead working in conjunction with an air knife to feed sheets from the top or bottom of a stack. A retractable corrugator is included in the vacuum feedhead which prevents smearing of coated sheets due to relative motion between sheet surfaces and the corrugator.

REFERENCES:
patent: 2895552 (1959-07-01), Pomper et al.
patent: 2979329 (1961-04-01), Cunningham
patent: 3424453 (1969-01-01), Halbert
patent: 4157177 (1979-06-01), Strecker
patent: 4268025 (1981-05-01), Murayoshi
patent: 4269406 (1981-05-01), Hamlin
patent: 4418905 (1983-12-01), Garavuso
patent: 4451028 (1984-05-01), Holmes et al.
patent: 4589647 (1986-05-01), Roller
patent: 5150892 (1992-09-01), Shimizu
patent: 5344133 (1994-09-01), Jantsch et al.

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