Method and apparatus for heat-sealing lids on glass containers

B - Operations – Transporting – 65 – B

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226/106, 226/92

B65B 7/00 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01) B65B 7/28 (2006.01) B67B 5/00 (2006.01)

Patent

CA 1107255

METHOD AND APPARATUS FOR HEAT-SEALING LIDS ON GLASS CONTAINERS. Abstract of the disclosure A method is described for heat sealing composite lids made of a laminate of a light alloy coated with a layer of thermoweldable plastic material on glass containers. The method comprises the steps of pressure applying onto a said lid in position on a mouth of a glass container a flexible impervious membrane which is stretchingly supported by its outer periphery on a movably and hingedly supporting frame, and of submitting the side of said membrane opposite to said lid to a controlled heat flow.

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