Groove forming method for concrete roadways

Details Groove forming method for concrete roadways Groove forming method for concrete roadways

1975-09-02

1976-12-21

Jaudon, Henry S.

Road structure, process, or apparatus

Apparatus

Means to install or form joint

428167, E01C 2302

Patent

active

039985644

ABSTRACT:
Method and apparatus for forming grooves or slots in a concrete roadway are disclosed. A ribbed sheet of flexible material is positioned on the surface of a freshly poured concrete roadway and the ribs are impressed into the concrete. After the concrete has set and the sheet is removed, a plurality of parallel, skid-resistant grooves are revealed in the roadway. The flexible sheet is placed on and later removed from the roadway by rolling and unrolling it from a spool mounted on a construction vehicle. In one embodiment of the invention, a plurality of small holes are provided in the flexible sheet to aid in the drying of the concrete.

REFERENCES:
patent: 3126978 (1964-03-01), Bergstrom
patent: 3401610 (1968-09-01), Hanson
patent: 3748214 (1973-07-01), Withers
patent: 3832267 (1974-08-01), Liu
patent: 3910711 (1975-10-01), Moorhead

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