Apparatus for the production of blown foils or films of thermopl

Details Apparatus for the production of blown foils or films of thermopl Apparatus for the production of blown foils or films of thermopl

1995-08-23

1997-11-04

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

425141, 4253261, 264 406, B29C 5528

Patent

active

056837275

ABSTRACT:
A foil-blowing apparatus has its external cooling nozzles vertically and/or radially adjustable relative to the transition region between the neck of the thermoplastic tube and the blown foil balloon to enable thickness errors to be eliminated.

REFERENCES:
patent: 4022558 (1977-05-01), Herrington
patent: 4606879 (1986-08-01), Cerisano
patent: 5288219 (1994-02-01), Smith
patent: 5318427 (1994-06-01), Voss
patent: 5354190 (1994-10-01), Hofer et al.
patent: 5464336 (1995-11-01), Planeta

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