JPS6345946B

PURPOSE:To easily obtain the captioned bellows which is highly resistant against bending by winding around a matrix-impregnated continuous fiber on a cylindrical surface which is segmented in a circumferential direction and is shaped like a bellows, then applying an external pressure on the fiber an...

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Bibliographische Detailangaben
Hauptverfasser:	SASAJIMA YOICHI, AKYAMA FUSAO, BETSUSHO HISAMI, ITO HIROHISA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To easily obtain the captioned bellows which is highly resistant against bending by winding around a matrix-impregnated continuous fiber on a cylindrical surface which is segmented in a circumferential direction and is shaped like a bellows, then applying an external pressure on the fiber and removing a mold. CONSTITUTION:A winding mold consisting of a core mold penetrating through a cylindrical body, a cylindrical mold 2 which is segmented in a circumferential direction and is shaped like a bellows and a cylindrical mold 3 for forming a part without bellows on the both ends of a cylindrical body. Then on the surface of the winding mold, a continuous fiber such as glass fiber, silicon carbide fiber, carbon fiber impregnated with a matrix is wound and an external pressure is applied to perform a forming. Next, the core mold 1 is removed and the cylindrical mold 2 segmented in a circumferential direction which is provided on the bellows part is removed inwardly or an air cylinder or a turnbuckle of an axis fixing a mold in a diametrical direction is loosened. Thus a molding is removed from the mold to obtain the captioned bellows.