Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1993-01-08
1994-08-09
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1563041, 1563046, 1563047, 156322, B29C 6508
Patent
active
053363469
ABSTRACT:
An apparatus for forming a butt seam between opposed edges of resiliently compressible fabric sheets, such as foamed neoprene for wet suits and dry suits. The apparatus includes fabric manipulating assembly which continuously compresses the sheets proximate and inwardly of the edges, preferably by a roller assembly, to form opposed shoulders or areas that will permit the application of a lateral force to firmly press the opposed edges of the flexible and compressible sheets tightly together during movement and bonding along the seam. The apparatus preferably includes adhesive activation means in the form of an ultrasonic transducer which contacts the neoprene pieces in advance of compression rollers to activate a dry neoprene cement carried on the edges of the fabric pieces. A method for forming the butt seam is described, as are alternatively adhesive activating assemblies and a seamed neoprene fabric sheet.
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Adhesives Handbook, CRC Press, 1970, pp. 258-260.
The Vanderbilt Rubber Handbook, 1958, p. 200.
Meltzer Mark J.
Tompkins Tommas J.
Ball Michael W.
Maki Steven D.
O'Neill, Inc.
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