Thermoforming machine for thermoplastic cups

Details Thermoforming machine for thermoplastic cups Thermoforming machine for thermoplastic cups

1999-02-02

2000-10-24

Pyon, Harold

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

425384, 425398, 249 81, B29C 5142

Patent

active

061357537

ABSTRACT:
A thermoforming station in a thermoforming machine for thermoplastic cups, which is equipped with a cyclically operating conveying section which takes over a cup sheet web from an unwinding station, the conveying section running through a heating station, the thermoforming station and further processing stations. The technical problem is a perfect and rapid cooling of the thermoplastic cups in the thermoforming station, in order to keep the cycle time as short as possible, and an adaptation of the thermoforming die to different heights of the thermoplastic cups. The lower die (7) of the thermoforming station (6) is constructed from intermediate plates (32) forming a plate stack, grooves (35) being made in the surface of the intermediate plates (32) for the purpose of forming cooling channels within the plate stack.

REFERENCES:
patent: Re27435 (1972-07-01), Shelby
patent: 669330 (1901-03-01), Thurber
patent: 3518725 (1970-07-01), Donofrio

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