Title:
ROLLING FORMING MACHINE HAVING INSERTION GUIDE AT FRONT OF MANDREL
Document Type and Number:
Japanese Patent JP2002210528
Kind Code:
A
Abstract:
To join a cylindrical body with excellent accuracy by entangling and overlapping both edges of a long metal plate constituting the cylindrical body with each other.
A mandrel 3 provided with a caulking roller 4 and a feed roller 51 is inserted in the cylindrical body A, and an overlapping part of both edges of the long metal plate constituting the cylindrical body A is caulked while feeding the cylindrical body A. An insertion guide 3A is fitted at front of the mandrel 3 so that the cylindrical body A can be fed while positionally regulated with respect to the mandrel 3.
Inventors:
HORI MAKOTO
Application Number:
JP2001006468A
Publication Date:
July 30, 2002
Filing Date:
January 15, 2001
Export Citation:
Assignee:
SEKISUI HOUSE KK
International Classes:
B21D39/02; B21D5/12; B21D51/16; (IPC1-7): B21D39/02; B21D5/12; B21D51/16
Attorney, Agent or Firm:
Yoshiro Kurauchi
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