Method and apparatus for applying narrow, closely spaced beads of viscous liquid to a substrate
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United States of America Patent
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Sep 27, 1988
Grant Date -
N/A
app pub date -
Jul 21, 1987
filing date -
Jul 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for applying multiple narrow, closely spaced beads of viscous liquid, such as hot melt adhesive, to a substrate comprises first and second blades between which there is a thin shim having a plurality of parallel, closely spaced slots open to and in fluid communication with a slot cavity in one of the blades such that high pressure, viscous liquid supplied to the slot cavity exits onto the substrate from between the blades through the slots in the shim.
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