METHOD OF MANUFACTURING HOLLOW MOLDED ARTICLE AND AIR CONDITIONING DUCT

PROBLEM TO BE SOLVED: To provide a method of manufacturing a hollow molded article to reliably exhibit moisture absorption and deodorization effect by bamboo coal, and to provide an air conditioning duct.SOLUTION: Compressed air is injected from first to third blow pins 51, 52, 53 into a parison arr...

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Bibliographische Detailangaben
1. Verfasser:	HAYAKAWA TETSUHISA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS RANGES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING VEHICLES IN GENERAL VENTILATING WEAPONS 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 method of manufacturing a hollow molded article to reliably exhibit moisture absorption and deodorization effect by bamboo coal, and to provide an air conditioning duct.SOLUTION: Compressed air is injected from first to third blow pins 51, 52, 53 into a parison arranged in a cavity 39 to form a hollow intermediate body 65. Powder bamboo coal 17 having the moisture absorption and deodorization effect is sprayed on an inner surface of the intermediate body 65 from the first and second blow pins 51, 52, and the compressed air is discharged from the third blow pin 53. Irrespective of complexity of a cross sectional shape, the bamboo coal 17 is securely and firmly fixed on the inner surface of the intermediate body 65. The bamboo coal 17 is exposed to the inner surface of the air conditioning duct, and the moisture absorption and deodorization effect by the bamboo coal 17 is reliably obtained.