Methods and apparatus for feeding sheet

Details Methods and apparatus for feeding sheet Methods and apparatus for feeding sheet

1996-05-03

1997-09-23

Stodola, Daniel P.

Advancing material of indeterminate length

With material-responsive control means

To regulate longitudinal movement of material

226115, 226196, B23Q 1600

Patent

active

056695390

ABSTRACT:
Apparatus for feeding flexible sheet (2) onto an inwardly facing curved surface (6) of an imagesetter comprises a feed system (3,4,7,8) for feeding the sheet from an input side onto and along the surface towards an output side. The feed system is also adapted to exert a force in the plane of the sheet (2) to cause the sheet to flex into conformity with the surface (6) and to form a ridge near one side. A monitoring system (12) monitors for formation of the ridge as an indication that the sheet conforms to the curved surface.

REFERENCES:
patent: 3122437 (1964-02-01), Collins
patent: 3494524 (1970-02-01), Jones
patent: 3743154 (1973-07-01), Brewitz
patent: 4429988 (1984-02-01), Okabe
patent: 4553825 (1985-11-01), Moulin et al.
patent: 4605300 (1986-08-01), Thaddey
patent: 4837601 (1989-06-01), Nakane et al.
patent: 4939539 (1990-07-01), Shigaki
patent: 5025157 (1991-06-01), Katsuaki
patent: 5181066 (1993-01-01), Ozawa et al.

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