Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Perforation by differential fluid pressure; or smoothing,...
Patent
1990-07-10
1993-04-13
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Perforation by differential fluid pressure; or smoothing,...
264129, 264136, 264546, 264555, 28167, 28169, 28170, 139291C, B26F 126
Patent
active
052020770
ABSTRACT:
A method and apparatus for treatment of relatively moving substrate materials and the novel products produced thereby created by precise application of high temperature pressurized streams of fluid against the surface of the materials to melt and remove material which imparts a recessed channel to the materials that facilitates separation of the materials. The apparatus includes an elongate manifold for receiving heated pressurized fluid, such as air, disposed across the width of the relatively moving material and having a single slit the full width of the substrate for directing the fluid into the surface of the material. The substrate material is treated with an acrylic resin to eliminate jagged or frayed edges either prior to or after the melting and removal process by means of the high temperature pressurized fluid streams.
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Jacobs, Jr. James A.
Marco Francis W.
O'Connell Colman B.
Willauer, Jr. Howard C.
Kercher Kevin M.
Milliken Research Corporation
Petry H. William
Silbaugh Jan H.
Timm Catherine
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