Machine for shaping, filling and closing expanded polymer...

Details Machine for shaping, filling and closing expanded polymer... Machine for shaping, filling and closing expanded polymer...

2006-06-27

2011-10-11

Tawfik, Sameh H. (Department: 3721)

Package making

With contents treating

Vacuum or inert atmosphere

C053S512000

Reexamination Certificate

active

08033085

ABSTRACT:
The invention relates to a machine for shaping, filling and closing expanded polymer containers, comprising a lower unwinder (1) for an expanded polymer web (4), a preheating station (3) for preheating the web, a container thermoforming station (5), a filling area (6) for filling the containers, an upper unwinder (7) for a closing film for closing shaped containers, a container closing station (10), a cutting station (11) and a drag system (12) for dragging the web (4) along the different stations.

REFERENCES:
patent: 3669594 (1972-06-01), Brown et al.
patent: 3808772 (1974-05-01), Turtschan
patent: 5447012 (1995-09-01), Kovacs et al.
patent: 5473867 (1995-12-01), Suga
patent: 5629060 (1997-05-01), Garwood
patent: 5749203 (1998-05-01), McGowan, Jr.
patent: 6142763 (2000-11-01), Lee et al.
patent: 6701695 (2004-03-01), Douglas
patent: 2005/0258559 (2005-11-01), Johansen et al.
patent: WO 2005/030471 (2005-04-01), None

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