Method and apparatus for trimming thermoformed articles

Details Method and apparatus for trimming thermoformed articles Method and apparatus for trimming thermoformed articles

B - Operations, Transporting

29

C

18/1057, 18/1063

B29C 51/44 (2006.01) B26F 1/40 (2006.01)

Patent

CA 1171226

F-0663-L METHOD AND APPARATUS FOR TRIMMING THERMOFORMED ARTICLES Abstract There are provided a method and apparatus for trimming shaped articles from the connecting web of sheet plastics material from which the articles have been thermoformed so as to achieve accurate trimming regardless of irregular spacing of the articles in the sheet. In the method, each of a plurality of connected articles is first approximately, and then exactly registered with an article punch and the web trimmed off with a die. Exact registration of articles and punches may be achieved by severing the connecting web between the articles, or by arranging the punches at different heights so that each article in sequence registers exactly and is trimmed. Apparatus is provided for` carrying out the latter method.

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