Method for fixing translucent lamp cover at blind frame of vehicle head lamp, involves heating edge of frame in fixing region such that stopping unit is arranged in edges of respective cover and frame in heated condition of edge of frame

The method involves heating an edge (8) of a blind frame (5) in a fixing region by a laser radiation or infrared radiation or hot air such that a pin-shaped stopping unit (9) is arranged in an edge (7) of a lamp cover (4) and the edge of the blind frame in a press-fit manner in the heated condition...

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Bibliographische Detailangaben
Hauptverfasser:	DIRKS, HEINZ-MICHAEL, TEMME, ULRICH
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF TRANSPORTING VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The method involves heating an edge (8) of a blind frame (5) in a fixing region by a laser radiation or infrared radiation or hot air such that a pin-shaped stopping unit (9) is arranged in an edge (7) of a lamp cover (4) and the edge of the blind frame in a press-fit manner in the heated condition of the edge of the frame. The edge of the frame is provided for fixing with the edge of the lamp cover. An one-sided edge flap (12) of the lamp cover and/or a one-sided edge lug (11) of the frame are connected with each other, and placed in an accommodating groove of a carrier element (1). Die Erfindung betrifft ein Verfahren zum Befestigen einer lichtdurchlässigen Abschlussscheibe an einem Blendrahmen einer Beleuchtungseinrichtung, insbesondere eines Fahrzeugscheinwerfers, bei der der Blendrahmen aus einem teilkristallinen Kunststoffmaterial hergestellt ist, wobei zumindest ein zur Befestigung mit einem Rand der Abschlussscheibe vorgesehener Rand des Blendrahmens in einem Befestigungsbereich derart erwärmt wird, dass ein stiftförmiges Arretierungsmittel in dem erwärmten Zustand des Randes des Blendrahmens in die aneinanderliegenden Ränder der Abschlussscheibe bzw. des Blendrahmens mit Presssitz eingetrieben wird.