Method and apparatus for transferring a pre-moulded film into a mould

A method and apparatus for transferring a pre-moulded film into a cavity comprising the following steps. A robotically controlled arm (10) having a loader (14) receives flexible film (30). The loader (14) comprises two moveable end portions (18,20) and a main portion (16) there between. The pre-moul...

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Bibliographische Detailangaben
Hauptverfasser:	CHERNYAK, ZINOVIY, HARRIS, MARK ALAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method and apparatus for transferring a pre-moulded film into a cavity comprising the following steps. A robotically controlled arm (10) having a loader (14) receives flexible film (30). The loader (14) comprises two moveable end portions (18,20) and a main portion (16) there between. The pre-moulded film (30) is transferred onto the loader (14). The end portions (18,20) are retracted so that the loader (14) is in a retracted position. The loader (14) is moved to a position within a cavity (40). The cavity (40) has an opening (46) that is larger then the loader (14) when the loader (14) is in the retracted position. The film (30) is transferred to the cavity (40) by aligning the film with corresponding three-dimensional contours on the cavity (40). The end portions (18,20) are extended so that essentially the entire surface of the film contacts the cavity. The loader (14) is withdrawn from the cavity by first retracting the end portions (18,20) and removing the loader (14).