INJECTION MOLDING OF PART HAVING NONUNIFORM THICKNESS

INJECTION MOLDING OF PART HAVING NONUNIFORM THICKNESS

INJECTION MOLDING OF A PART HAVING A NONUNIFORM THICKNESS IS PROVIDED. ONE DISCLOSED EMBODIMENT OF AN INJECTION MOLDING DEVICE (100) INCLUDES ONE OR MORE SIDE WALLS (104,106), A FIRST MOLD SURFACE (108) INTERSECTING THE SIDE WALLS AND BEING STATIONARY WITH RESPECT TO THE SIDE WALLS, AND A SECOND MOL...

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Bibliographische Detailangaben
1. Verfasser: JENKINS, KURT, ALLEN
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
PERFORMING OPERATIONS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
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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Zusammenfassung:INJECTION MOLDING OF A PART HAVING A NONUNIFORM THICKNESS IS PROVIDED. ONE DISCLOSED EMBODIMENT OF AN INJECTION MOLDING DEVICE (100) INCLUDES ONE OR MORE SIDE WALLS (104,106), A FIRST MOLD SURFACE (108) INTERSECTING THE SIDE WALLS AND BEING STATIONARY WITH RESPECT TO THE SIDE WALLS, AND A SECOND MOLD SURFACE (110) INTERSECTING THE SIDE WALLS SO AS TO DEFINE WITH THE SIDE WALLS AND THE FIRST MOLD SURFACE A CAVITY CONFIGURED TO RECEIVE A METERED AMOUNT OF INJECTED MOLTEN THERMOPLASTIC MATERIAL. THE SECOND MOLD SURFACE IS MOVEABLE TOWARD THE FIRST MOLD SURFACE IN SUCH A MANNER THAT A FIRST END OF THE SECOND MOLD SURFACE MOVES A LARGER PHYSICAL TRAVEL DISTANCE TOWARD THE FIRST MOLD SURFACE THAN DOES A SECOND END OF THE SECOND MOLD SURFACE DURING A MOLDING PROCESS.