Process and apparatus for wrapping articles with stretchable fil

Details Process and apparatus for wrapping articles with stretchable fil Process and apparatus for wrapping articles with stretchable fil

1994-04-14

1996-04-23

Sipos, John

Package making

Methods

Conforming by stretching or shrinking of cover over contents

53504, 53556, 533892, B65A 4100

Patent

active

055092535

ABSTRACT:
The film (F) fed to the packaging machine has a width suitable for wrapping articles whose sizes may vary over a wide range, and its width is made proportionate to the largest size of article which the machine can wrap. For the wrapping of articles whose dimensions are smaller than the maximum ones acceptable by the machine, the width of the film is modified as required to suit the dimensions of the article to be wrapped, by a pleating process (9-12-112-29-129-229) such that the longitudinal axis of the pleats lies in the direction of the length of the section of film introduced into the wrapping station.

REFERENCES:
patent: 3967433 (1976-07-01), Bonfiglioli
patent: 4543766 (1985-10-01), Boshinski
patent: 4709531 (1987-12-01), Denda
patent: 4905451 (1990-03-01), Jaconelli et al.
patent: 5103621 (1992-04-01), Matsumoto
patent: 5157903 (1992-10-01), Nakashima et al.
patent: 5203136 (1993-04-01), Thimon et al.

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