Wrapper end folding and sealing apparatus

Details Wrapper end folding and sealing apparatus Wrapper end folding and sealing apparatus

1976-06-29

1977-12-06

McGehee, Travis S.

Package making

Closing packages and filled receptacles

By means adapted to engage outturned seam of package cover

53209, B65B 1112, B65B 5114

Patent

active

040609596

ABSTRACT:
Apparatus for folding and sealing upper and lower end portions of a wrapper of heat sealable plastic film which has previously been positioned about the top, bottom and sides of the article. The wrapper end folding and sealing apparatus includes an endless type article conveyor arranged to advance the articles and wrapper along a path with the end portions of the wrapper extending laterally from opposite sides of the article conveyor; endless type upper and lower finger conveyors disposed at each side of the article conveyor and having film folding fingers arranged to engage the laterally extending end portions of the wrapper to fold the end portions of the wrapper into overlapping relation at the ends of the article as they are advanced by the article conveyor, and heat sealing members for sealing the overlapping portions of the wrapper at the ends of the articles as they are advanced.

REFERENCES:
patent: 2617240 (1952-11-01), Monaco
patent: 2890555 (1959-06-01), Hayssen
patent: 3191356 (1965-06-01), Zelnick et al.
patent: 3511024 (1970-05-01), Manspeaker et al.
patent: 3692608 (1972-09-01), Risgaard
patent: 3808767 (1974-05-01), Reid

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