Lining apparatus for the protection of trenches

Details Lining apparatus for the protection of trenches Lining apparatus for the protection of trenches

1974-09-24

1976-02-10

Taylor, Dennis L.

61 63, E21D 512

Patent

active

039370267

ABSTRACT:
This disclosure relates to a lining apparatus for the protection of trenches, which lining apparatus includes lining plates which are insertable in pairs in vertical sliding carriers on the side of the trench and are capable of being pressed against the wall of the trench by expanding devices, each lining plate including two component plates connected together loosely and detachably and the component plates being guided together in the sliding carriers with the outer dimension of the component plates being approximately equal to those of a unitary lining plate.

REFERENCES:
patent: 841773 (1907-01-01), Fitzgerald
patent: 1079113 (1913-11-01), Conzelman
patent: 3555830 (1971-01-01), York
patent: 3593528 (1971-07-01), Pavese

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