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Title:
METHOD FOR MANUFACTURING HOLLOW MEMBER PROVIDED WITH SOLID-CORE PORTION IN END SIDE
Document Type and Number:
Japanese Patent JP2003136131
Kind Code:
A
Abstract:

To provide a method for manufacturing a hollow member provided with a solid-core portion in an end side capable of manufacturing the hollow member with a good yield and a less deflected thickness.

An inner face regulating tool 2 is inserted into the hollow portion 20a of a stock material 20 provided with the solid-core portion in the end side of the axial direction of the hollow portion 20a, and, for example, by an inclined rolling mill provided with three pieces of roll 1, a diameter reducing work accompanied by a thickness reducing work is performed at least in the hollow portion 20a to manufacture the hollow member 10 provided with the solid-core portion in the end side.


Inventors:
YAMAKAWA TOMIO
NAKASUJI KAZUYUKI
SHIMODA KAZUMUNE
Application Number:
JP2001328680A
Publication Date:
May 14, 2003
Filing Date:
October 26, 2001
Export Citation:
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Assignee:
SUMITOMO METAL IND
International Classes:
F16C3/02; B21B19/06; B21C37/16; B21D22/16; B21D41/04; B21D53/88; (IPC1-7): B21C37/16; B21B19/06; B21D22/16; B21D41/04; F16C3/02
Attorney, Agent or Firm:
Morio Mori (1 outside)