Sheet gripper for printing cylinder and the like

Details Sheet gripper for printing cylinder and the like Sheet gripper for printing cylinder and the like

1977-04-06

1980-05-20

Pieprz, William

Printing

Work supporting members

Grippers

271277, 198688, 269275, 269286, 29120, 83465, B41F 2104

Patent

active

042033632

ABSTRACT:
A sheet gripper for a sheet-displacing apparatus such as a rotary printing machine has a pair of gripper elements whose faces are engageable with each other to grip the edge of a sheet being printed. At least one of the gripper elements is formed at its respective face of a relatively soft elastomeric material from whose surface extend hard fibers which are otherwise imbedded in the soft elastomeric material. The material may be a thermoplastic synthetic resin reinforced with glass fibers.

REFERENCES:
patent: 2765000 (1956-10-01), Bond
patent: 2767653 (1956-10-01), Babicz
patent: 3234694 (1966-02-01), Vosburg
patent: 3253692 (1966-05-01), Ota
patent: 3840224 (1974-10-01), Zawiski
patent: 3843110 (1974-10-01), Smith
patent: 3942781 (1976-03-01), Gerber
Popular Science, Jul. 1933, p. 73, "Vise jaws Lined to Aid in Soldering," Sterrett.
Simonds et al., "Handbook of Plastics," Van Nostrand Co., p. 210.

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