Process for lining container caps

Details Process for lining container caps Process for lining container caps

B - Operations, Transporting

29

C

18/53

B29C 70/80 (2006.01) B05D 3/02 (2006.01) B05D 7/22 (2006.01)

Patent

CA 1070461

Abstract of the Disclosure The invention is a process for lining container caps, which comprises applying a dispersion in an aqueous medium of an olefin resin to the inner bottom surface of a cap shell, subjecting the aqueous dispersion applied to a first-step heat treatment at a temperature below the thermo-forming temperature of the olefin resin, and then subjecting it to a second-step heat treatment at a temperature not lower than the thermo-forming temperature of the resin but below the heat decomposition temperature of the resin. The products of the process are useful as alternatives to container caps using cork liners.

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