Method for spraying adhesive

Details Method for spraying adhesive Method for spraying adhesive

1995-04-14

2000-03-14

Beck, Shrive

Coating processes

Spraying

427424, 427286, 427288, B05D 102

Patent

active

060370092

ABSTRACT:
Apparatus and methods are disclosed for spraying an adhesive in a selected pattern on a continuously moving web. The method includes the steps of: (a) supplying a predetermined volumetric flow of adhesive to a nozzle; (b) selectively operating the nozzle between an off position and an on position to spray the volumetric flow of the adhesive; (c) diverting the volumetric flow of the adhesive from the nozzle when the nozzle is operated in the off position; and (d) maintaining a back pressure at the nozzle when the nozzle is operated in the off position to provide a substantially instantaneous spray of the adhesive when the nozzle is operated from the off position to the on position.

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U.S. Patent application Ser. # 07/991,780; Robert L. Popp et al.; Apparatus and Methods for Selectively Controlling a Spray of Liquid to Form a Distinct Pattern.

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