Apparatus and method for encapsulating contoured articles

Details Apparatus and method for encapsulating contoured articles Apparatus and method for encapsulating contoured articles

B - Operations, Transporting

65

B

156/7.4

B65B 53/00 (2006.01) B29C 63/02 (2006.01) B65B 9/02 (2006.01) B65B 31/08 (2006.01)

Patent

CA 2027166

Abstract of the Disclosure A method and apparatus for encapsulating a porous article in plastic film without employing supporting molds. The article is deposited onto a lower web and an upper web is moved into overlying position. The edges of the webs are gripped by moving teeth to move the webs and the article in unison. The webs are then pinched together adjacent the article to form an enclosed volume. The film is heated to its fusing temperature and the enclosed volume is evacuated through a tube inserted through the lower web and into the article. The tube is removed and the fused webs are trimmed adjacent the edges of the article, resulting in an encapsulated article.

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