AIR DUCT MADE OF SYNTHETIC RESIN

PROBLEM TO BE SOLVED: To provide an air duct which can strengthen the fixing force of a joining spot and improve the airtightness of the joining spot when an upper mold member and a lower mold member made of a synthetic resin are welded to each other. SOLUTION: In an inlet pipe 10 manufactured by we...

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Bibliographische Detailangaben
Hauptverfasser:	MISAWA TORU, KAWARAI HIROYUKI
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 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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an air duct which can strengthen the fixing force of a joining spot and improve the airtightness of the joining spot when an upper mold member and a lower mold member made of a synthetic resin are welded to each other. SOLUTION: In an inlet pipe 10 manufactured by welding the upper mold member 12 and the lower mold member 14 made of the synthetic resin to each other, a plurality of plinths 24 protruding outside from the outer surface 22 of the upper mold member 12 are installed. By vibration-welding the press surface 26 of each plinth 24 while pressing by a press 30, the fixing of a welding surface to the upper mold member 12 and the lower mold member 14 in the air duct 10 can be strengthened, and the airtightness of the welding surface can be improved. COPYRIGHT: (C)2007,JPO&INPIT