Method for making a graphic representation on polyolefin

Details Method for making a graphic representation on polyolefin Method for making a graphic representation on polyolefin

1994-05-26

1996-04-30

Davis, Robert B.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Applying indicia or design

264265, 264275, 264291, B29C 4514

Patent

active

055122272

ABSTRACT:
A graphic representation is made on objects made of a polyolefin polymer by printing a graphic representation on a face of a first film made of a stretched polyolefin polymer, associating the first film with a second film having a lower melting point than that of the first film, in order to obtain a membrane formed by the associated first and second films containing the graphic representation between them. The membrane is transferred into an injection mold and a polyolefin polymer is injected into the mold for forming the object, thereby obtaining at least a partial melting of the second film so that the membrane forms one body with the object.

REFERENCES:
patent: 3122598 (1964-02-01), Berger
patent: 3654062 (1972-04-01), Loew
patent: 4795597 (1989-01-01), Whiteley et al.
patent: 5227222 (1993-07-01), Ogawa et al.
patent: 5254302 (1993-10-01), Yamanaka et al.
patent: 5334450 (1994-08-01), Zabrocki et al.
"In Mold Decoration", Plastics World, Feb., 1963, pp. 24-25, W. L. Hochner.

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