Apparatus for blowing a film of thermoplastic synthetic resin

Details Apparatus for blowing a film of thermoplastic synthetic resin Apparatus for blowing a film of thermoplastic synthetic resin

1993-02-18

1994-06-21

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

4253261, 4253871, B29C 5528

Patent

active

053224310

ABSTRACT:
A device for feeding film-blowing air into the plastic tube and film bubble of a blowing head is connected to the film-blowing head and includes between the foot side and head side outlets thereof, with at least one intake device and at least one further outlet in spaced relationship and with matched flows to stabilize the tube and the neck formed between the tube and the expanding bubble.

REFERENCES:
patent: 4643657 (1987-02-01), Achelpohl et al.
patent: 4955802 (1990-09-01), Halter et al.

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