Stretch wrap system and method of packaging

Details Stretch wrap system and method of packaging Stretch wrap system and method of packaging

1980-10-14

1983-06-21

Sipos, John

Package making

Methods

Conforming by stretching or shrinking of cover over contents

53466, 53556, 53218, 53222, 53390, B65B 1102

Patent

active

043887961

ABSTRACT:
The disclosure concerns an apparatus and method for wrapping products in stretch film by placing each product on a product support table having collapsible fingers. A pivotable frame is loaded with successive lengths of stretch film and pivoted down over each product placed on the support table. Tucking blades mounted on the frame tuck the side edges of the film under the product, while infeed and outfeed rollers tuck the front and back edges under the product. Pusher means then advance the product onto the outfeed conveyor to complete the front tuck and seal the film beneath the product.

REFERENCES:
patent: 2006116 (1935-06-01), Schmiedel
patent: 2991600 (1961-07-01), Lancaster
patent: 3496700 (1970-02-01), McCabe
patent: 3517479 (1970-06-01), Pinkham
patent: 3546836 (1970-12-01), Buob
patent: 3662513 (1972-05-01), Fabbri
patent: 3777452 (1973-12-01), Koenders
patent: 3967433 (1976-07-01), Bonfiglioli
patent: 3973372 (1976-08-01), Omori
patent: 3977158 (1976-08-01), Jennings et al.
patent: 4078363 (1978-03-01), Ranzi
patent: 4144697 (1979-03-01), Suga
patent: 4178740 (1979-12-01), Groome et al.

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