Water jet scarifying apparatus

E - Fixed Constructions – 21 – C

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37/1, 262/68

E21C 25/60 (2006.01) E01C 23/082 (2006.01) E01C 23/12 (2006.01)

Patent

CA 1231987

ABSTRACT OF THE INVENTION Apparatus for the removal of layers of concrete, particularly from roadways and motorways. This apparatus includes nozzles positioned at one end of respective hollow shafts supported by a ball joint and mounted on movable supports. The said nozzles are supplied with water by means of a high pressure pump upstream of which there are positioned preliminary treatment systems for treating the water itself. The nozzles, moreover, are mounted on a slide controlled by electronic apparatus operable to maintain them at a predeter- mined height with respect to the surface to be scarified. Means are also provided for the elim- ination of possible hindrances to the free down- flow of the water jets against the surface to be scarified.

485391

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