Patent · US Expired

Multiple jet hydrodemolition apparatus and method

US6435620B1 · kind B1 · utility

3Cited by
8References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 2001
Grant dateAug 20, 2002
Priority date
Expiry dateMar 23, 2021

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21C25/60
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Apparatus for the hydrodemolition of concrete layer including a movable vehicle, a bed having a guideway extending transversely to a direction of movement of the vehicle, a nozzle assembly having a guide slidably engaging the guideway and a plurality of nozzles spaced apart in a direction transverse to the guideway, separate fluid flow controllers coupled between a pressurized source of fluid and respective nozzles, the nozzles being oriented to spray a fluid jet onto the concrete surface and means for moving the nozzle assembly along the guideway transversely across the direction of travel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.