Screen printing apparatus

Details Screen printing apparatus Screen printing apparatus

1996-08-02

1998-01-06

Burr, Edgar S.

Printing

Stenciling

Stencils

101123, B05C 1706

Patent

active

057042861

ABSTRACT:
A screen printing apparatus for printing a printing material to the front surface of a work that has a protrusion portion, comprising a stage for mounting the work, a screen frame formed on the upper surface of the stage, a screen mask secured to the screen frame, the screen mask having an opening portion at a particular printing position and a protrusion portion that covers the protrusion portion of the work, and a squeegee member moving in a particular direction for squeezing the printing material on the screen mask to the opening portion of the screen mask. In addition, the side surfaces of the protrusion portion of the screen mask are inclined to the main front surface for 90 degree or less. The portion that contacts the protrusion portion and the portion that does not contact the protrusion portion are separated by a slit.

REFERENCES:
patent: 3930445 (1976-01-01), Jaffa
patent: 4638733 (1987-01-01), Schneider et al.
patent: 4872261 (1989-10-01), Sanyal et al.
patent: 5406699 (1995-04-01), Oyama
patent: 5452655 (1995-09-01), Tani

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