RESIN WELDING METHOD

PROBLEM TO BE SOLVED: To provide a resin welding method which can surely prevent the occurrence of damage caused by an excessive heat input in a region to be welded. SOLUTION: Since the sectional shape of laser beams L perpendicular to an optical axis OA is annular in the laser beam incidence side e...

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Bibliographische Detailangaben
Hauptverfasser:	OMIYA TAKENORI, MATSUMOTO SATOSHI, ISOBE YOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a resin welding method which can surely prevent the occurrence of damage caused by an excessive heat input in a region to be welded. SOLUTION: Since the sectional shape of laser beams L perpendicular to an optical axis OA is annular in the laser beam incidence side end part R1 of the region R to be welded, the occurrence of damage (bubbling, clouding, firing, etc.) by an excessive heat input in the irradiation region central part of the laser beams L in the laser beam incidence side end part R1 of the region R and its vicinity is prevented. Since the laser beams L diverge in the region R, the excessive heat input into resin members 5 and 6 are suppressed, and the resin members 5 and 6 are melted properly in the entire region of the region R. COPYRIGHT: (C)2010,JPO&INPIT