Excavation or trenching plate

Details Excavation or trenching plate Excavation or trenching plate

1980-03-11

1983-02-08

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405272, E02D 1700

Patent

active

043727093

ABSTRACT:
This disclosure relates to an excavation or trenching plate which includes one or more panels formed by a plurality of generally C-shaped vertically oriented beams collectively defining a plurality of side-by-side vertical chambers endmost ones of which open in opposite sidewise directions through associated grooves, upper and lower generally horizontal beams also of generally C-shaped configuration spanning the upper and lower ends of the vertical beams with the horizontal beams likewise having horizontal channels opening endwise in opposite directions through horizontal grooves, and tie bars extending horizontally and vertically through the various beams and being accessible through channels of the endmost vertical beams and upper and lower beams for retaining the beams in assembled relationship.

REFERENCES:
patent: 1441970 (1923-01-01), D'Erville
patent: 2387659 (1945-10-01), Hafsos
patent: 2919133 (1959-12-01), Eggers
patent: 3750409 (1973-08-01), Orfei
patent: 3869867 (1975-03-01), Krings
patent: 4259028 (1981-03-01), Cook

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