Title:
JACK RIG AND PUSH-UP METHOD BY JACK
Document Type and Number:
Japanese Patent JPH04231550
Kind Code:
A
Abstract:
PURPOSE: To push up a reinforced-concrete pole and load borne by the pole by a jack during a time when a part of the pole is removed.
CONSTITUTION: Clamping devices 16, 18 are incorporated centering around a pole 12, and the clamping device 16 is positioned at the upper place of a part of the pole to be repaired or exchanged. The clamping devices 16, 18 are clamped to the pole 12, and a plurality of jacks 14 are interposed among the clamping device 18 and the second clamping device 16 or other supporters. Pistons for the jacks 14 are pushed up, load is pushed up substantially, and load, the clamping devices and the section of the pole 12 positioned at a section upper than the section to be repaired or exchanged are borne.
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Inventors:
BAANON EMU SUMISU
Application Number:
JP10098891A
Publication Date:
August 20, 1992
Filing Date:
May 02, 1991
Export Citation:
Assignee:
BAANON EMU SUMISU
International Classes:
E04G23/02; E04G25/00; (IPC1-7): E04G23/02
Attorney, Agent or Firm:
Kyozo Yuasa (5 people outside)
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