Title:
FLAT RING INVERSION MACHINE
Document Type and Number:
Japanese Patent JP2594527
Kind Code:
B2
Abstract:
PURPOSE: To change the direction of a flat ring so as to be efficiently conformed with the state of the laying of an existing flat type ring in an extremely small space.
CONSTITUTION: An upright support arm 42 turned around an upright shaft CT1 parallel with the direction of travelling of a travelling car is installed to the travelling car 21 so as to be moved in the vertical direction. Supporters 40B consisting of two support jacks 55, etc., are mounted on the support arm so that length can be changed along an inversion shaft CT2 orthogonal to the upright shaft. Inversion tables 58,59,to which joint surfaces 58a, 59a, etc., are formed, are set up at both ends of each support jack so as to be able to be rotated around the inversion shaft respectively.
Inventors:
Nakai Sakae
Masataka Uozumi
Kajiwara Sueo
Masataka Uozumi
Kajiwara Sueo
Application Number:
JP36030492A
Publication Date:
March 26, 1997
Filing Date:
December 28, 1992
Export Citation:
Assignee:
Mitsui Construction Co., Ltd.
International Classes:
E21D11/40; (IPC1-7): E21D11/40
Attorney, Agent or Firm:
Shinji Aida (1 outside)