Title:
DEVICE FOR MOLDING HOLLOW TUBULAR BODY AND ITS PRODUCT
Document Type and Number:
Japanese Patent JP2003039110
Kind Code:
A
Abstract:
To provide a device for molding a hollow tubular body which is lightweight and scarcely causes deformation as it has an excellent strength and its manufacturing process is simple, and to provide its product.
A metallic strip 41 is shifted from the material feeding unit onto an inner die 23 of the power transmission system 20 through a fixed stand 42, and the inner die 23 is rotated by the motor 21 and the metallic strip 41 is wound into a tubular shape and, by welding the neighboring place to the metallic strip with a welding gun 31 of the welding equipment 30, the hollow tubular body 50 is formed.
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Inventors:
SHO SEIKI
Application Number:
JP2001207039A
Publication Date:
February 12, 2003
Filing Date:
July 06, 2001
Export Citation:
Assignee:
SHO SEIKI
International Classes:
B21C37/12; B21D11/06; B21D51/18; (IPC1-7): B21C37/12; B21D11/06; B21D51/18
Attorney, Agent or Firm:
Takao Iriko