Hole masking apparatus
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United States of America Patent
Stats
-
Aug 24, 1993
Grant Date -
N/A
app pub date -
Nov 19, 1991
filing date -
Nov 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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