Tool for scarifying concrete

Details Tool for scarifying concrete Tool for scarifying concrete

1983-03-07

1984-05-29

Purser, Ernest R.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Tooth mounted on helical head portion or head with helical...

299 91, 299 94, 175410, 125 40, E21C 3518, E21B 1058

Patent

active

044510934

ABSTRACT:
Presented is a tool adapted for use in rupturing the surface of smooth concrete so as to provide a roughened surface. This process is commonly known as "scarifying" concrete. The tool comprises a bit adapted to be mounted in a conventional roto-hammer or other type actuating mechanism that provides a reciprocating and/or rotating motion, the bit being provided with a multiplicity of carbide tips which are driven repeatedly into the concrete surface to effect scarifying thereof.

REFERENCES:
patent: 1648096 (1927-11-01), Wineman
patent: 1778213 (1930-10-01), Fahrenwald
patent: 1915071 (1933-06-01), O'Gorman
patent: 2187302 (1940-01-01), Cox
patent: 2294004 (1942-08-01), Serafino
patent: 2579268 (1951-12-01), Malherbe
patent: 3280927 (1966-10-01), Peterson
patent: 3536150 (1970-10-01), Stebley
patent: 3675973 (1972-07-01), Mottinger
patent: 3841709 (1974-10-01), Kniff
patent: 4083605 (1978-04-01), College et al.
patent: 4224995 (1980-09-01), Alberger

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