Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se
Patent
1991-09-12
1993-08-10
Aftergut, Karen
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
264245, 264246, 264255, 264259, 264301, 264302, 264310, 264314, 264332, 264DIG57, 264DIG79, B29C 3340, B29C 3912, B29C 4118
Patent
active
052346536
ABSTRACT:
A method for moulding a two-colored material includes moulding a gasket such that it has a profile which is approximately the same as a profile of one of a plurality of possible corresponding regions of the inner surface of a mould. In addition, a rigid material is embedded in the gasket and the gasket is fixed to a separation wall. The gasket and the separation wall are then inserted into the mould with the gasket being aligned along the one of the plurality of possible corresponding regions of the inner surface of the mould, such that a seal between the inner surface of the mould and the separation wall is formed and first and second half-spaces are defined within the mould. The gasket is compressed against the inner surface of the mould to improve the sealing therewith and slush moulding of a layer of a first colored material within the first half-space is performed. The layer of the first colored material is consolidated and the gasket and the separation wall are removed from the mould. Slush molding of a continuous layer of a second colored material within the mould is then performed, thereby producing a moulded two-colored article which includes the layer of the first colored material and the continuous layer of the colored material as well as a separation line between the respective colored sections.
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Buzzoni Giancarlo
Cittadini Paolo
Aftergut Karen
Industrie Ilpea S.p.A.
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