Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1999-05-28
2000-11-21
Sells, James
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156443, 156553, 156555, 156582, B31F 100
Patent
active
061497525
ABSTRACT:
An apparatus for folding and sealing a sheet having a pressure sensitive adhesive positioned thereon includes a first roller. The apparatus also includes a second roller which is positioned in operative contact with the first roller during advancement of the sheet between the first roller and the second roller. The apparatus also includes a third roller having (i) a roller surface, and (ii) a sealing protrusion extending from the roller surface. The apparatus further includes a sheet stop positioned to halt forward movement of the sheet during advancement of the sheet between the first roller and the second roller and subsequently create a buckle in the sheet which is advanced into a roller nip defined by the first roller and the third roller. The sealing protrusion of the third roller is positioned in operative contact with the first roller during advancement of the sheet between the first roller and the third roller. The sealing protrusion extends from the roller surface of the third roller at a location such that advancement of the sheet between the first roller and the third roller causes the sealing protrusion to operatively contact the pressure sensitive adhesive. A method of folding and sealing a sheet having a pressure sensitive adhesive thereon is also disclosed.
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Matthews Craig A.
Spitler Mark E.
Privatizer Systems, Inc.
Sells James
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