Method for preparing a marking structure

Details Method for preparing a marking structure Method for preparing a marking structure

1990-05-02

1991-09-17

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

101333, 264112, 4283155, 4283159, 4283213, 428909, B41K 138

Patent

active

050494325

ABSTRACT:
An improved microporous marking structure has a layer of a microporous material containing a marking fluid and an absorbent backing layer superposed thereon which shortens processing time by absorbing excess marking fluid from the microporous layer. The marking structure according to the invention may be advantageously used to make a self-inking hand stamp. No lengthy step for removing excess ink from the microporous layer is needed.

REFERENCES:
patent: 3971315 (1976-07-01), Hansen
patent: 4306498 (1981-12-01), Fujimura
patent: 4927695 (1990-05-01), Ooms et al.

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