Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1978-11-03
1981-10-06
Shoap, Allan N.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156293, 156294, 1563082, 1563099, 156321, 156322, 220 67, 220461, 222 95, 2223865, B29C 2700, C09J 502, C09J 506, C09J 510
Patent
active
042933536
ABSTRACT:
An aerosol type container wherein a separate product bag of plastics material is provided. The bag is of a larger size than the opening in which the valve cup is seated and thus must be gathered or pleated to pass through that reduced diameter opening. The initially gathered or pleated bag material is compressively engaged between the top curl defining the opening and the valve cup and is heated to a molding and bonding temperature so that a molded ring conforming to the adjacent portions of the top curl and the valve seat is formed, this part eliminating the usual need for a compound or other sealant between the valve cup and the top curl.
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Pelton Peter G.
Pulciani Sam C.
Brown Charles E.
Shoap Allan N.
The Continental Group Inc.
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