Machine for folding flanges of blister package

Details Machine for folding flanges of blister package Machine for folding flanges of blister package

1986-02-24

1987-02-17

Coan, James F.

Package making

Apparatus for forming or partially forming receptacle and...

53289, 493102, 493178, 493438, B31B 1726, B65B 4702

Patent

active

046429743

ABSTRACT:
A flange folding machine for folding the distal end of the flanges of a blister package or the like inwardly upon the proximal ends thereof to form closure panel receiving channels. The machine comprises, a plurality of carriers mounted on a conveyor for continuous movement through a folding station, a side flange folding mechanism, a first heater located in close proximity to each first fold line and being operable to heat the side flanges to a sufficient extent to render them formable. The mechanism may also include a leading end flange forming mechanism for folding the distal end portion of a leading end flange inwardly upon the proximal end portion thereof along a transverse foldline. The leading end flange forming mechanism comprises a second heater which is mounted on a carriage which is slidably mounted for reciprocating movement in the folding station to and fro along between a forward position and the retracted position.

REFERENCES:
patent: 1439850 (1922-12-01), Teeple
patent: 2512074 (1950-06-01), Sandberg
patent: 2886933 (1959-05-01), Hennies, Jr.
patent: 3245680 (1966-04-01), Harrison et al.
patent: 3263393 (1966-08-01), Weber
patent: 3588089 (1971-06-01), Flanagan
patent: 3597900 (1971-08-01), Scott
patent: 3707274 (1972-12-01), Hausler et al.

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