Package making – Methods – Enclosing contents within progressively formed web means
Patent
1987-12-07
1989-05-16
Culver, Horace M.
Package making
Methods
Enclosing contents within progressively formed web means
53551, B65B 908, B65B 920
Patent
active
048297453
ABSTRACT:
An improved tube spreader for flattening and removing wrinkles from a bag film web in a form, fill, and seal packaging machine is provided. The tube spreader includes a plurality of clamping fingers which grasp a first edge of the bag film and a spreader bar, located within the bag film, and adapted to exert a lateral force on the opposite edge of the film to eliminate and remove wrinkles prior to the film being sealed.
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Behr R. Douglas
Zieke Larry M.
Culver Horace M.
The Dow Chemical Company
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