Method and device for folding packing blanks along preformed ben

Details Method and device for folding packing blanks along preformed ben Method and device for folding packing blanks along preformed ben

1992-07-17

1993-03-16

Terrell, William E.

Package making

Methods

Wrapping contents including cover forming

53228, 53586, 493167, 493310, B65B 1108, B65B 4908, B31B 344

Patent

active

051933284

ABSTRACT:
A method and device for folding packing blanks along preformed bend lines, whereby a blank, before being positioned with its intermediate portion contacting the product, and folded in a U about the product with two lateral portions contacting the same, is engaged by two gripping and strain-relieving devices by which the two lateral portions are oscillated by a given angle about respective bend lines connecting the lateral portions to the opposite edges of the intermediate portion.

REFERENCES:
patent: 2883916 (1959-04-01), Labombarde
patent: 2911774 (1959-11-01), Frank et al.
patent: 3089393 (1963-05-01), Pagendarm
patent: 3138905 (1964-06-01), Ellinger
patent: 3383825 (1968-05-01), Titchenal et al.
patent: 3412525 (1968-11-01), Heinzer
patent: 3507088 (1970-04-01), Mizelle et al.
patent: 3511014 (1970-05-01), Kochalski
patent: 3585776 (1971-06-01), Euwe
patent: 4493682 (1985-01-01), Bryson et al.
patent: 4631900 (1986-12-01), Mattei et al.

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