MOLD FOR MOLDING BALLOON AND MANUFACTURE OF BALLOON BY USING THE SAME

PROBLEM TO BE SOLVED: To provide a method for manufacturing an ultrasonic endoscope balloon to be uniformly bulged. SOLUTION: The mold for molding a balloon comprises a substantially elliptical balloon molding part 1, and columnar winding-up part molding parts 2, 3 connected to both ends of the part...

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Bibliographische Detailangaben
1. Verfasser:	TSUSHIMA KYOGO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SURGERY 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 a method for manufacturing an ultrasonic endoscope balloon to be uniformly bulged. SOLUTION: The mold for molding a balloon comprises a substantially elliptical balloon molding part 1, and columnar winding-up part molding parts 2, 3 connected to both ends of the part 2 in a long axis direction. In this case, a chamfered part is provided at an end A of the lower part 3. A chamfered size of the chamfered part is 0.02 to 0.4 mm. And, a chamfering angle is set to 100 to 135 deg.. Further, the method for manufacturing the balloon comprises the steps of dipping the mold for molding the balloon from the end of the lower winding-up part molding part in rubber latex, then lifting it to form a rubber film on a surface of the mold, thereafter, dipping the end of the mold in water, removing the rubber film at the end of the mold, then drying it, and winding up the rubber film formed at the winding-up part molding part to the end of the balloon molding part.