The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 05, 1985

Filed:

Jun. 02, 1982
Applicant:
Inventors:

Daizo Kita, Niiza, JP;

Tsutomu Nakamura, Sakai, JP;

Takeshi Kawachi, Tokorozawa, JP;

Assignees:

Ohbayashi-Gumi, Ltd., Osaka, JP;

Kuraray Co., Ltd., Okayama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 / ; 175 72 ; 405264 ;
Abstract

A slurry excavating method for excavating the ground or drilling a hole using excavating slurry containing a powder of water absorbing resin. This method makes it easy to prevent the slurry from flowing into gaps in the ground or cracks in fractured shale layer or fissile layer while excavating the ground.


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