Patent · US Expired

Method and backer inserts for blocking backwall water jet strikes

US6547645B2 · kind B2 · utility

4Cited by
9References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 27, 2001
Grant dateApr 15, 2003
Priority date
Expiry dateAug 27, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23P2700/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method of drilling holes in an component, such as a turbine airfoil or bucket platform, the method including disposing a protective insert including a water jet blocking material adjacent a backside of the structure to be drilled and water jet drilling at least one hole in the structure, through to the backside. In one embodiment, the jet blocking material is comprised of carbide or a similar material that is more resistant to water jet drilling forces than the structure being drilled.

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