Patent · US Expired

Apparatus for scavenging the erosion zone of spark-erosive cutting plants

US4634825A · kind A · utility

7Cited by
10References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 1985
Grant dateJan 6, 1987
Priority date
Expiry dateMay 14, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23H7/101
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A scavenging chamber surrounds the electrode and is brought up to the erosion zone in the workpiece. A slide ring is fixed to the casing of the scavenging chamber and seals the latter with respect to the workpiece surface. The scavenging chamber is provided with a structure for adapting at least the casing portion carrying the slide ring to the slide ring orientation defined by the workpiece surface. Preferably the scavenging chamber is provided with controllable elements for defining the shape of the scavenging chamber casing, which elements can be in particular constructed as flexible annular diaphragms.

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