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.
Patent No.:
Date of Patent:
Feb. 13, 1990
Filed:
Aug. 05, 1988
Applicant:
Inventor:
Jacob Ward, Courbevoie, FR;
Assignee:
Soletanche, Nanterre, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D / ;
U.S. Cl.
CPC ...
405273 ; 405282 ; 405272 ; 405283 ;
Abstract
The invention relates to a process for propping or supporting the vertical support walls of deep ditches. After having freely constructed the ditch, to a depth compatible with the resistance of the support walls (1), a ring-shaped plate (3) is provided at the bottom of the ditch, which bears at its periphery against the vertical support walls (1), and which rests on the bottom of the ditch; after the setting of this ring-shaped plate (3), it is attached to the upper part of the support walls (1) for being supported, by means of braces (5); and then, the ditchs is continued, through the orifice (4) of the ring-shaped plate (3), down to the bottom of the work.