Process for manufacturing objects by injection of synthetic mate

Details Process for manufacturing objects by injection of synthetic mate Process for manufacturing objects by injection of synthetic mate

1986-07-15

1988-03-01

Nozick, Bernard

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Labeling or embossing indicia

264153, 264259, 264334, 425114, 425122, 425126R, 425129R, 425292, 425311, B29C 4322

Patent

active

047284773

ABSTRACT:
This invention relates to a process for manufacturing, by injection of synthetic material, objects comprising a film forming an integral part thereof, by means of an injection machine incorporating a mould comprising a punch and a die, and at least one nozzle for injecting synthetic material, wherein a web of the film material is advanced step by step towards the mould and, after advance of said web by a step corresponding to a certain dimension of the film to be cut out, a film is cut out from said web in the desired format, with the result that the film cut out to the chosen format lies between the punch and the die at the instant when the mould is closed.

REFERENCES:
patent: 4075266 (1978-02-01), Theysohn
patent: 4335635 (1982-06-01), Hautemont
patent: 4459092 (1984-07-01), Hataheyma
patent: 4466787 (1984-08-01), Ragir et al.
patent: 4545752 (1985-10-01), Hanamoto et al.
patent: 4686076 (1987-08-01), Dromigny et al.

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