Device and process for compression moulding plastics articles

The invention concerns a device for molding a plastic material article whereby the article is obtained by compressing a dose of molten plastic material (3) between two parts of a mold, comprising at least one plastic material supply (1), a rod (11) sliding in a dowel bush (8) for temporarily support...

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Bibliographic Details
Main Author HANOT DOMINIQUE
Format Patent
LanguageChinese
English
Published 26.10.2011
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The invention concerns a device for molding a plastic material article whereby the article is obtained by compressing a dose of molten plastic material (3) between two parts of a mold, comprising at least one plastic material supply (1), a rod (11) sliding in a dowel bush (8) for temporarily supporting said dose of plastic material (3), an article head mold (6, 7), a mandrel (18) co-operating with said mold (6, 7). The invention is characterized in that it comprises non-elastic retaining means (12-14,23,24) for limiting the two-way movement of the rod (11) in the dowel bush (8). The inventionalso concerns a method using said device.
Bibliography:Application Number: CN2007815570