Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Aluminium Co Ltd
Original Assignee
Nippon Aluminium Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Aluminium Co LtdfiledCriticalNippon Aluminium Co Ltd
Priority to JP58109046ApriorityCriticalpatent/JPS59232630A/ja
Publication of JPS59232630ApublicationCriticalpatent/JPS59232630A/ja
Publication of JPS643580B2publicationCriticalpatent/JPS643580B2/ja
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
B21D26/033—Deforming tubular bodies
B21D26/047—Mould construction
Landscapes
Physics & Mathematics
(AREA)
Fluid Mechanics
(AREA)
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Rigid Containers With Two Or More Constituent Elements
(AREA)