Stamp device with a printing element, movable ink supplying devi

Details Stamp device with a printing element, movable ink supplying devi Stamp device with a printing element, movable ink supplying devi

1991-12-23

1993-02-09

Crowder, Clifford D.

Printing

Stenciling

Stencil-web machines

101125, 10112821, B41K 132

Patent

active

051845490

ABSTRACT:
A compact portable stamp device which can prevent the ink stains on an operator and his/her clothes and the occurrence of nonuniform printing and, further, simplifies the operation of changing the color of the ink. The stamp device comprises a heat sensitive stencil paper fed between first and second rollers. The heat sensitive stencil paper has a laminate structure including a thermoplastic film layer and a porous carrier layer. The stamp device has a stencil paper feeding unit for drawing the heat sensitive stencil paper from the first roller and winding the heat sensitive stencil paper around the second roller, and elastic ink impregnated member, provided in the feed path of the heat sensitive stencil paper between the first and second rollers, and a moving unit for moving the ink impregnated member between a first position where the ink impregnated member is separate from the heat sensitive stencil paper and a second position where the ink impregnating member is in close contact with the heat sensitive stencil paper. The ink impregnating member is brought into close contact witht the heat sensitive stencil paper to exude ink from the ink impregnated member through a perforated portion of the thermoplastic film thereby transferring an image onto a printing paper.

REFERENCES:
patent: 1601831 (1926-10-01), Inglesby
patent: 2499472 (1950-03-01), Dyal
patent: 2884853 (1959-05-01), Cantoni
patent: 3799053 (1974-03-01), Rabelow
patent: 4203362 (1980-05-01), Underwood et al.
patent: 4594943 (1986-06-01), Nettesheim et al.
patent: 4957378 (1990-09-01), Shima

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