Applying a stretch film lid to a cup

Details Applying a stretch film lid to a cup Applying a stretch film lid to a cup

1978-12-26

1980-04-29

Sipos, John

Package making

Methods

Conforming by stretching or shrinking of cover over contents

53487, 53488, 53556, 53575, 53294, B65B 5300, B65B 728

Patent

active

041999177

ABSTRACT:
A device for applying a stretch film lid to a cup has a planar stretching member, including a relatively rigid peripheral portion, and a multiplicity of finger elements spaced thereabout and extending inwardly therefrom. The finger elements are readily displaceable from the plane of the stretching member, and define, upon displacement, a passageway configured to permit the cup to pass through. Securing means is engageable with the stretching member to secure a stretch film thereto. When a cup is urged against the stretching member, it displaces the finger elements, thereby defining the passageway, with the finger elements and securing means cooperating to extend the stretch film along a plurality of axes, to permit the application of the stretched film to the cup.

REFERENCES:
patent: 1826930 (1931-10-01), Goewey
patent: 1955949 (1934-04-01), Couton
patent: 2218293 (1940-10-01), Muller
patent: 3849972 (1974-11-01), Pepmeier et al.
patent: 3851440 (1974-12-01), Horsky
patent: 4011119 (1977-03-01), Mitchell et al.
patent: 4070852 (1978-01-01), Mitchell et al.
patent: 4078360 (1978-03-01), Balzer et al.

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