Method and device for bending the end tabs of blanks for produci

Details Method and device for bending the end tabs of blanks for produci Method and device for bending the end tabs of blanks for produci

1992-02-14

1994-05-31

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493183, B31B 336

Patent

active

053165373

ABSTRACT:
A method and device for bending the end tabs of blanks for producing rigid flip-top cigarette packets. The blanks are loaded on a conveyor and are fed continuously along a path with the end tabs slidably engaged in a helical slit, which is in part defined by facing helical surfaces of first and second helical guide elements. The blanks wind over an arc of 180.degree. for bending the end tabs in a U and enabling the bent end tabs to be fed between two pressure rollers of a stabilizing unit.

REFERENCES:
patent: 1444348 (1923-02-01), La Bombard et al.
patent: 2986078 (1961-05-01), Hottendorf
patent: 3807289 (1974-04-01), Labombarde
patent: 4392338 (1983-07-01), Fox
patent: 5029834 (1991-07-01), Boldrini et al.
patent: 5052993 (1991-10-01), Focke
patent: 5113638 (1992-05-01), Focke et al.

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