Printing – Special article machines
Patent
1999-05-14
2000-03-28
Bennett, Christopher A.
Printing
Special article machines
101123, 101126, B41F 1700
Patent
active
060417021
ABSTRACT:
A curved surface screen-printing apparatus adapted to screen-print a to-be-printed object having a large radius of curvature. Concentric curved-surface guides having an equal radius of curvature are respectively provided on both side portions of a jig table on which a printing board to be bent and used as the to-be-printed object is placed. A squeegee head crossing over the jig table, and a screen plate mounting frame are provided in the apparatus. A pair of steel belts are used to connect a corresponding one of the guides to the frame. The belts of each pair are made to intersect each other. An end of each of the belts is fixed to a side end portion of a corresponding one of the curved surface guides as viewed from a side thereof. The other end thereof is fixed to a corner portion of the screen plate mounting frame. A reciprocating motion of the squeegee head causes the screen plate mounting frame to perform a rocking motion along the curved surface of the jig table. Thus, an optimum gap between the screen plate and the to-be-printed object is maintained at all times in such a manner as to be uniform therebetween.
REFERENCES:
patent: 2895412 (1959-07-01), Reed, III
patent: 4266476 (1981-05-01), Maloof
patent: 4664029 (1987-05-01), Best
patent: 4854229 (1989-08-01), Vassiliou
patent: 4919043 (1990-04-01), Bubley et al.
patent: 5339732 (1994-08-01), Peterlini et al.
Ichikawa Ryuji
Kuroda Nobuyuki
Bennett Christopher A.
Nippon Mitsubishi Oil Corporation
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