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Patent Searching and Data


Title:
U-SHAPED DITCH BLOCK WITH DITCH COVER
Document Type and Number:
Japanese Patent JPH0820997
Kind Code:
A
Abstract:

PURPOSE: To make it possible to prevent a ditch cover from coming out or floating up or shaking even when an offset is produced between concrete-made U-shaped ditch blocks during a ground subsidence.

CONSTITUTION: When molding concrete-made U-shaped ditches, fasteners 4 are fixed with the upper ends of both ends of a receiving frame (3) made of L-type steel which is to be placed to a ditch cover suspending part where at least the thickness of a cover plate (5) of a ditch cover 2 is excluded from the welded area. The cover plate (5) is projected outward from the outside surface of a leg piece 6 of the ditch cover (2) located at both ends of the ditch cover (2) mounted to an opening on the top of an U-shaped ditch block (1).


Inventors:
SUZAKI TORU
Application Number:
JP17970794A
Publication Date:
January 23, 1996
Filing Date:
July 08, 1994
Export Citation:
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Assignee:
FUJI GREAT KOGYO KK
International Classes:
E03F5/04; (IPC1-7): E03F5/04