Title:
METHOD FOR REBUILDING DOORWAY WALL
Document Type and Number:
Japanese Patent JPH08259142
Kind Code:
A
Abstract:
PURPOSE: To provide a method for rebuilding doorway wall of concrete for modifying construction for eliminating an existent part or for widening doorway area of an elevator, which can perform the elevator modifying construction without generating noise and vibration even in the building, which is open, and without giving a large trouble to users of the building.
CONSTITUTION: A jack means having a winch 13 and a balancer 12 is fitted to a suspending supporter 15, which is fitted to the upper position 14 inside of an elevator hoistway 1, and a crusher 11 is suspended from this jack means so as to be vertically moved in any direction.
Inventors:
KUBOKURA KUNIAKI
Application Number:
JP6990695A
Publication Date:
October 08, 1996
Filing Date:
March 28, 1995
Export Citation:
Assignee:
HITACHI BUILDING SYST ENG
International Classes:
E04G23/02; B66B7/00; B66D1/60; E04G23/08; (IPC1-7): B66B7/00; B66D1/60; E04G23/02; E04G23/08
Attorney, Agent or Firm:
Kenjiro Take (2 outside)