Conduit (Patent No: 155858)

Inventor: Ferguson, William Clarence

Location: Calgary

Comments: N/A

Description: Conduite.

William Clarence Ferguson, Calgary, Alberta. Canada. 26th May, 1914; 6 years. Filed 6th December, 1913. Receipt No. 232,068.

Claim.—1. In a water conduit and the like, and in combination, a plurality of building blocks having inner and outer curved faces provided with dovetail recesses extending longitudinally therein, and side faces designed to lie in planes normal to the curvature of the periphery, and locking means adapted to engage with the said dovetail recesses and designed to secure adjacent blocks in position, as and for the purpose specified.

2. In a water conduit and the like, and in combination, plurality of building blocks having inner and outer curved faces provided with dovetail recesses extending longitudinally therein, side faces and conduits or orifices extending longitudinally through the said blocks, an inner locking member having inner and outer curved faces and radial flanges extending from the lateral edges of the outer face and designed to form a dovetail recess therewith, such flanges being designed to be located in the dovetail recesses in the inner faces of two adjacent blocks, and an outer locking member having inner and outer curved faces and radial flanges extending from the lateral edges of the inner face and designed to form a dovetail recess therewith, such flanges being designed to be located in the dovetail recesses in the outer face of two adjacent blocks, as and for the purpose specified.

3. In a water conduit and the like and in combination, a plurality of blocks having inner and outer curved faces with the inner curved face provided with a dovetailed recess extending longitudinally therein, and an inner locking member having inner and outer curved faces and radial wedge-shaped flanges extending from the lateral edges, or near the lateral edges, of the outer face, and designed to form a dovetailed recess therewith, such flanges being designed to be located in the dovetailed recess in the inner face of the adjacent blocks.

4. In a water conduit and the like, and in combination, a plurality of blocks having inner and outer curved faces, with the outer face provided with a dovetailed recess extending longitudinally therein, and an outer locking member having inner and outer curved faces and radial wedge-shaped flanges extending from the lateral edges, or near the lateral edges, of the inner face, and designed to form a dovetailed recess therein, which flanges being designed to be located in the dovetailed recesses in the outer faces of the adjacent blocks.