Coating apparatus – Projection or spray type – Plural projectors
Patent
1988-06-16
1990-08-21
Nozick, Bernard
Coating apparatus
Projection or spray type
Plural projectors
118324, B05B 1302
Patent
active
049496689
ABSTRACT:
A distinctive method and apparatus for depositing a pattern of material, such as hot-melt adhesive, onto a substrate comprises a supplying mechanism for forming a first and at least a second substantially continuous stream of the selected material, and a gas-directing mechanism for forming a plurality of gas streams. The gas streams have selected velocities and are arranged to entrain the material streams to impart a swirling motion to each of the material streams as it moves toward the substrate. A transport mechanism moves the substrate relative to the supply mechanism along a selected machine direction. A regulating mechanism controls the supplying mechanism and gas-directing mechanism to direct the material stream in a selected path toward the substrate and deposit the material in adjacent semi-cycloidal patterns on the substrate while closely controlling a selected cross-directional positioning of one or more of the deposited patterns.
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"Application Potential of Controlled Fiberization Spray Technology", Nonwovens Industry, Jan. 1988, p. 44-46.
[Advertisement], Nonwovens Industry, May 1988, pp. 46-49.
Publication: Adhesive Age; Title: Three Steps in the Evolution HMPSA Spray Technology; Author: John Raterman; Date: Nov. 1987.
Dick Daniel W.
Garvey Michael J.
Heindel Timothy R.
Jordan Mary P.
Keller Richard F.
Kimberly-Clark Corporation
Nozick Bernard
Yee Paul
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