Stamp and device for providing drops of a viscous liquid on a su

Details Stamp and device for providing drops of a viscous liquid on a su Stamp and device for providing drops of a viscous liquid on a su

1984-11-29

1986-06-17

McIntosh, John P.

Coating apparatus

Solid applicator contacting work

With work-handling or work-supporting

118221, 118225, 118263, B05C 102

Patent

active

045949611

ABSTRACT:
A form of stamp in which a height/diameter ratio of a drop of glue can be achieved which is larger than one fifth, for providing drops of glue on printed circuit boards or components in assembling electrical chip components. A projection having a height between one-tenth and one-half the largest stamp end face dimension, and a cross section less than one-quarter the end face area, projects from the center of the end face. These stamps reduce the effect of machine stoppage on the shape and dimension of the drops of glue.

REFERENCES:
patent: 1293147 (1919-02-01), McMurray
patent: 2816755 (1957-12-01), Dusenbury et al.
patent: 2902002 (1959-09-01), Argyle

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