Self threader for wrapping machine

Details Self threader for wrapping machine Self threader for wrapping machine

1993-11-04

1995-04-18

Culver, Horace M.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

533892, 493302, B65B 922, B65B 4112

Patent

active

054067731

ABSTRACT:
A self threader is disclosed for a wrapping machine having a tube former including tube former wall means terminating in a first tube former plate and a second tube former plate. The tube former is adapted to receive a first edge of a wrapping sheet between the first tube former plate and the second tube former plate and is adapted to receive a second edge of the wrapping sheet above the second tube former plate with the first and second edges and overlapping for forming the wrapping sheet into a tube to receive a product therein. The self threader comprises a guide plate located proximate to the second tube former plate and extending beyond the first tube former plate for directing a first edge of the wrapping sheet between the first tube former plate and the second tube former plate.

REFERENCES:
patent: 3431831 (1969-03-01), McGill et al.
patent: 3748822 (1973-07-01), Borgardt
patent: 4419855 (1983-12-01), Shanklin
patent: 4517789 (1985-05-01), Ash
patent: 4576588 (1986-03-01), Umeda et al.
patent: 4658569 (1987-04-01), Hanagata
patent: 4945709 (1990-08-01), Cerf

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