Rechargeable inking member

Details Rechargeable inking member Rechargeable inking member

1991-11-25

1992-07-21

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283157, 4283159, 4283166, 4283171, 4283177, 4283213, B32B 326

Patent

active

051321700

ABSTRACT:
A rechargeable ink pad having particular use with solution ink. The ink pad has a bottom layer of porous polychloroprene latex foam with pore sizes of 200.mu. to 500.mu. and a top layer of polyethylene foam with pore sizes of 10.mu. to 20.mu.. The two layers are secured to one another by a fusible web adhesive. A method of customizing the porous polychloroprene latex layer to obtain desired properties by felting has been discovered. Such felting renders the finished porous polychloroprene latex foam suitable for controlled ink flow required for printing purposes.

REFERENCES:
patent: 3971315 (1976-07-01), Hansen
patent: 4226911 (1980-10-01), Haren
patent: 4336767 (1982-06-01), Wada
patent: 5006404 (1991-04-01), Terry

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