Apparatus and method for stretching of wrapping film

Details Apparatus and method for stretching of wrapping film Apparatus and method for stretching of wrapping film

1972-06-19

1993-11-09

Sipos, John

Package making

Methods

Conforming by stretching or shrinking of cover over contents

53461, 53556, 53209, B65B 1120

Patent

active

052591700

ABSTRACT:
An improvement to the conventional apparatus and method for wrapping products and product trays with a film is provided. As the wrapping film is carried over and with the product by chains fitted with gripper clamps, a set of guiding rollers is brought into contact with the film to maintain the film substantially horizontal between the rollers and the grippers. The apparatus described also permits stretching of the film to minimize wrinkles and maximize film utilization.

REFERENCES:
patent: 3517479 (1970-06-01), Pinkham
patent: 4553373 (1985-11-01), Viitanen
patent: 4571927 (1986-02-01), Suga
patent: 4841715 (1989-06-01), Suga

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