Vertical dancer with constant torque

Details Vertical dancer with constant torque Vertical dancer with constant torque

1989-05-26

1992-07-28

Culver, Horace M.

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

53562, 533894, 226118, 493213, B65B 908, B65B 4110, B65B 4116

Patent

active

051331721

ABSTRACT:
A dancer assembly for feeding a web of film having ports extending therefrom to a former for folding the web of film. The apparatus includes a dancer having a roller located between two tracks that allow the roller to move vertically along the tracks. The web of film being fed around the roller and vertically upwards toward the former. A quarter turn member for changing the flow path of the film from a substantially horizontal flow path to a substantially vertical flow path. And a member for moving horizontally, as a unit, the dancer and quarter turn member while maintaining a fixed spacial orientation of the dancer and the quarter turn. A method of feeding a web of film to a former is also provided.

REFERENCES:
patent: 3267822 (1966-08-01), Harrison
patent: 3331185 (1967-07-01), MacKay et al.
patent: 3553934 (1971-01-01), Johnson et al.
patent: 3557525 (1968-01-01), Bauder
patent: 4262474 (1981-04-01), Reuter et al.
patent: 4603536 (1986-08-01), De La Poype
patent: 4693053 (1987-09-01), Ballestrazzi et al.
patent: 4710157 (1987-12-01), Posey
patent: 4793564 (1988-12-01), Hank et al.
patent: 4846386 (1989-07-01), Gresens et al.
patent: 4848063 (1989-07-01), Niske

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