Patent · US Expired

Slurry circulation type surface polishing machine

US6159082A · kind A · utility

15Cited by
4References
5Claims
0Family size

Inventors

Key dates

Filing dateMar 2, 1999
Grant dateDec 12, 2000
Priority date
Expiry dateMar 2, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B57/02
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The bottom of each collection groove for collecting a used abrasive slurry and a rinsing solution is formed like the letter V, an exhaust port is formed at the lowest position of the bottom of the groove, the collection pipe of a slurry supply unit and the collection pipe of a rinsing solution supply unit are connected to the exhaust port, and the collection pipe of the rinsing solution exhaust unit is connected to a suction pump for forcedly discharging the rinsing solution by suction.

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