Process for producing structured retaining areas on sheet grippe

Details Process for producing structured retaining areas on sheet grippe Process for producing structured retaining areas on sheet grippe

1987-05-28

1988-11-01

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

101412, 156645, 156654, 156664, 156905, B44C 122, C23F 102

Patent

active

047817917

ABSTRACT:
The invention relates to a process for the production of structured retaining areas on sheet grippers, sheet gripper supports or similar gripper facilities for machines for handling and processing sheets by the formation of a non-etchable dot structure on the base member and the subsequent etching out of intervening areas. To provide structured retaining areas having a smoothly shaped surface, the dot structure is produced by screen printing or pressure pad printing and after the etching-out of unprinted areas, a hard smoothing coating, preferably of chromium or ceramic, is applied to the structural retaining area.

REFERENCES:
patent: 2870560 (1959-01-01), Kauschka
patent: 2933040 (1960-04-01), Helmig
patent: 2972300 (1961-02-01), Mitchell
patent: 4032378 (1977-06-01), McDonald et al.
patent: 4264410 (1981-04-01), Frantzen

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