Capillary surface injection squeegee for the screen printing of liquid products and a working process for said squeegee
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United States of America Patent
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Jul 8, 2003
Grant Date -
N/A
app pub date -
May 18, 2001
filing date -
Sep 3, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A capillary squeegee and a method utilizing a capillary squeegee for screen printing liquid product onto a substrate through apertures in a printing screen on translation thereover, the squeegee including a capillary element for delivering liquid product from a pressurizable reservoir to a printing screen, wherein the capillary element is configured to provide a flow resistance which is such as to prevent flow therefrom when not pressurized and allow flow therefrom when pressurized; and first and second sealing lips which, during screen printing, both together contact the printing screen, wherein the sealing lips are disposed, in oppositely-inclined relation, to opposed edges of the capillary element in the direction of translation and define a delivery aperture therebetween, the delivery aperture having size suited to the substrate.
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