Hole masking apparatus

Details Hole masking apparatus Hole masking apparatus

1991-11-19

1993-08-24

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156540, 156542, 156556, 118213, 271186, B32B 3100

Patent

active

052385248

ABSTRACT:
A hole masking apparatus for use in the manufacture of a printed wiring board is disclosed. The apparatus comprises first and second positioning sections provided on a conveying path of a base material at a distance apart for stopping the positioning of the base material having a plurality of through holes at respective given position; a masking device provided to respective positioning sections and having a head to paste a seal while supplying and for pasting the seal on through holes by moving the head in such a manner that the head is positioned on through holes which do not require a plugging up thereof; and a reversing section arranged between the first and the second positioning sections and for reversing face and back of the base material on the conveying path thereof.

REFERENCES:
patent: 4287016 (1981-09-01), Kerwin et al.
patent: 4379017 (1983-04-01), Barta
patent: 4519760 (1985-05-01), Norell
patent: 5090680 (1992-02-01), Yashiro

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