Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-05-30
1993-11-16
Ryan, Patrick J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156548, 156271, 156250, 156230, 215295, 215298, 220257, 220258, 220270, B32B 3100
Patent
active
052619907
ABSTRACT:
A method of making an elongate strip for the production of a sealing member includes, as a first step, applying a plurality of strips of a first adhesive to one of a membrane and a first sheet, the membrane and the first sheet are then bonded together so that composite portions are formed where they are bonded together by the strips of the first adhesive, and separated portions are formed where the membrane and the first sheet are free from one another. The other side of the membrane is then coated with an additional layer of adhesive, for example a hot melt bonding material. Then, sealing members can be cut from the resultant composite elongate strip, with each sealing member having a composite portion in which the membrane and the first sheet are bonded together and a separated portion in which the membrane and the first sheet are free of one another. The free portion of the first sheet then forms a tab, for removal of the sealing member, in use, after it has been bonded to the lip of a container.
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Galda Michael P.
Klassen Brian M.
Witt Stephen H.
Dixon Merrick
Ryan Patrick J.
Stanpac Inc.
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