Carton closure infolder

Details Carton closure infolder Carton closure infolder

1979-02-05

1981-02-24

Culver, Horace M.

Package making

Methods

Closing package or filled receptacle

53374, 53378, B65B 720

Patent

active

042519780

ABSTRACT:
Apparatus for automatically folding the end closure of a carton of rectangular cross section which includes a cover panel hinged to a rear sidewall of the carton and a pair of flanking gusset panels which are each respectively hinged to one edge of the cover panel and to an adjacent sidewall. The carton is continuously moved along a conveyor path with one of the gusset panels leading and the other trailing. A folding head moves along a parallel conveyor path and translates to a location adjacent the carton. An abutment adjacent the conveyor path contacts the leading gusset panel and folds it inward along a line at about a 45.degree. angle to its hinged edges. An arm mounted on the folding head is caused to swing relative to the conveyor to fold the trailing gusset panel inward along a line at about a 45.degree. angle to its hinged edges.

REFERENCES:
patent: 1948657 (1934-02-01), Ferguson
patent: 2391708 (1945-12-01), Johnson et al.
patent: 2485235 (1949-10-01), Graf
patent: 2677220 (1954-05-01), Fischer et al.
patent: 4063403 (1977-12-01), Bergstein et al.

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