Title:
CUT-OFF METHOD OF WORKING BOX
Document Type and Number:
Japanese Patent JP2002348897
Kind Code:
A
Abstract:
To provide a cut-off method of a working box unnecessary for measurement of a working objective or the like in advance and a mechanism for forcedly pushing a cut-off packing against the working objective.
The cut-off method of the working box is so constituted that the underwater working objective 7 is surrounded by the upper opened working box 1 formed in a plane circular shape by connecting at least a pair of hollow units 2 and, at the same time, that an underwater unseparable concrete 15 is cast in a space section 9 after the front end of a bottom plate 4 of the working box 1 is approached to the underwater working objective 7 at the proper space section 9.
Inventors:
Sasaki, Hiroki
Application Number:
JP2001000153975
Publication Date:
December 04, 2002
Filing Date:
May 23, 2001
Export Citation:
Assignee:
PENTA OCEAN CONSTR CO LTD
International Classes:
E02D19/04; E01D19/02; E01D21/00; E01D22/00; E02D37/00; (IPC1-7): E02D37/00; E01D19/02; E01D21/00; E02D19/04