Production of net or net-like products

Details Production of net or net-like products Production of net or net-like products

1975-07-14

1977-07-26

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Severing means is perforator

264154, 425311, 425325, 425465, B29F 304

Patent

active

040380084

ABSTRACT:
An apparatus for the production of perforated tubular film i.e., net is disclosed. A tube of a thermosetting polymer is continuously extruded and the extrusion opening is alternately interrupted first from one side of the tube and then from the other thereby doubling the capacity of the machine.

REFERENCES:
patent: 3252181 (1966-05-01), Hureau
patent: 3358329 (1967-12-01), Martin et al.
patent: 3702227 (1972-11-01), Hureau
patent: 3791784 (1974-02-01), Arechavaleta
patent: 3841815 (1974-10-01), Labarre
patent: 3932092 (1976-01-01), Hureau et al.

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