JPH05342903

PURPOSE:To manufacture an on-vehicle lighting fixture made of pollution-free biodegradable plastic by using polylactic acid or copolymer lactate having the specific molecular weight as a raw material, and integrally molding a lens member and a housing member. CONSTITUTION:One or both of a lens membe...

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Bibliographische Detailangaben
Hauptverfasser:	DOI KIYOTO, KITAMURA TADASHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MECHANICAL ENGINEERING METALLURGY NON-PORTABLE LIGHTING DEVICES ORGANIC MACROMOLECULAR COMPOUNDS 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 THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS 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:	PURPOSE:To manufacture an on-vehicle lighting fixture made of pollution-free biodegradable plastic by using polylactic acid or copolymer lactate having the specific molecular weight as a raw material, and integrally molding a lens member and a housing member. CONSTITUTION:One or both of a lens member and a housing member are made of polylactic acid or copolymer lactate of lactic acid and hydroxy carboxylic acid as a raw material. The lens member preferably contains a red or yellow colorant and is coated with a ultraviolet-hardening hard coat agent on the outside surface as required. The housing member preferably contains a filler such as carbon black of 1-65%. The polylactic acid or copolymer lactate is preferably L type and/or D type resin or its composition having the softening point of 175 deg.C or above. This lighting fixture is integrally molded with one or both of the lens member and housing member by press molding or injection molding with the above raw material.