Thermoforming machine

Details Thermoforming machine Thermoforming machine

2006-07-07

2008-10-14

Gupta, Yogendra (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

C425S398000, C425S395000

Reexamination Certificate

active

07435075

ABSTRACT:
A thermoforming machine includes an upper frame (10) and a lower frame (40). The upper frame includes a top bracket (20) and a bottom bracket (30). The top bracket has a driving mechanism and a screw post (272) therein. The bottom bracket has an upper base plate (32) and a lower base plate (36) disposed with a distance therebetween. The upper base plate has a top forming plate (324) thereon. The lower base plate has a lower forming plate (362) thereon corresponding to the upper mold plate. One end of the screw post is fixed to the upper base plate, and the other end of the screw post is connected with the driving mechanism. The driving mechanism is for driving the screw post to bring the upper base plate moving toward or away the lower base plate.

REFERENCES:
patent: 4533555 (1985-08-01), Harris
patent: 5814185 (1998-09-01), Chun et al.
patent: 6314873 (2001-11-01), Lee et al.
patent: 7293976 (2007-11-01), La Sorda
patent: 2061891 (1990-09-01), None

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