METHOD AND PRODUCT FOR HIGH PRESS GAS CONTAINER WITH ROBUST DOM PART USING MANDRILL

PURPOSE: A manufacturing method of a high-reliability pressure vessel and a pressure vessel thereof are provided to prevent concavo-convex on a dome part and to improve dimensional accuracy. CONSTITUTION: A middle portion of the pressure vessel is molded through a flow molding method. A dome portion...

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Bibliographische Detailangaben
Hauptverfasser:	RYU, WEON JAE, LEE, YOUN KYU, AHN, KYU SAENG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL STORING OF DISTRIBUTING GASES OR LIQUIDS TRANSPORTING VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PURPOSE: A manufacturing method of a high-reliability pressure vessel and a pressure vessel thereof are provided to prevent concavo-convex on a dome part and to improve dimensional accuracy. CONSTITUTION: A middle portion of the pressure vessel is molded through a flow molding method. A dome portion is formed on one side of the middle portion. A strengthening dome portion, thicker than the dome portion, is formed on the rear side of the dome portion. The mandrel having dome-shaped is put thrown in the inside of the middle portion.