Method of making injection moulded plastic objects with imbedded

Details Method of making injection moulded plastic objects with imbedded Method of making injection moulded plastic objects with imbedded

1981-11-24

1984-01-24

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264278, B29C 1100, B29D 300

Patent

active

044276150

ABSTRACT:
A method of making injection moulded plastic objects with one, two or three imbedded decorative and/or descriptive prints comprises the steps of placing the prints on relatively thin foils (4, 5) of an extent corresponding to the cross-section of the mould cavity (6), and placing the foils (4, 5) in the mould cavity (6) with respect to the runner (3) so that the foils are pressed into engagement with the bottom and/or top of the mould cavity by the moulding material injected under pressure.
Thus, a plastic object with imbedded colored motifs at both the top side and the underside can be made by just one moulding operation.

REFERENCES:
patent: 777653 (1904-12-01), Foster
patent: 1301069 (1919-04-01), MacDonald
patent: 2110091 (1938-03-01), Morse
patent: 3074112 (1963-01-01), Bobrow
patent: 4016235 (1977-04-01), Ferro

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