Process and compositions for forming container closures

Details Process and compositions for forming container closures Process and compositions for forming container closures

B - Operations, Transporting

29

C

B29C 65/44 (2006.01) B29C 39/00 (2006.01) B29C 39/10 (2006.01) B29C 70/80 (2006.01) B65B 7/28 (2006.01)

Patent

CA 2051899

ABSTRACT Processes and Compositions for Forming Container Closures Gaskets 0.5 to 4mm thick in caps for bottles or jars are formed by providing an aqueous, filled, rubber dispersion that contains a gellant that will gel the composition upon heating, and this composition is lined into the cap and heated at a temperature of 140 to 220°C for up to 10 minutes. Gelling occurs at the start of the heating and the process provides a uniform gasket that adheres to the cap.

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