EP 0379744 A3 19910227 - POLISHING MACHINE
Title (en)
POLISHING MACHINE
Publication
Application
Priority
GB 8901740 A 19890126
Abstract (en)
[origin: EP0379744A2] A polishing machine for mould plungers which comprises means (26) for mounting a plunger (28) and rotating it, at least one means (30) for bringing a polishing head (34) into contact with the plunger surface to be polished, and means (22) for relatively traversing the plunger and the polishing head with respect to one another whereby to effect longitudinal polishing. The means for bringing the head into contact with the surface is a fluid operated cylinder (30) whereby to the head pressure is maintained substantially constant, e.g. by means of a pressure regulator connected in the outlet or exhaust of the cylinder.
IPC 1-7
IPC 8 full level
B24B 33/04 (2006.01)
CPC (source: EP)
B24B 33/04 (2013.01)
Citation (search report)
- [Y] DE 1933575 A1 19710121 - HEYE HERMANN FA
- [Y] DE 2334667 A1 19750116 - GEHRING KG MASCHF
Designated contracting state (EPC)
BE DE FR GB IT
DOCDB simple family (publication)
EP 0379744 A2 19900801; EP 0379744 A3 19910227; GB 8901740 D0 19890315
DOCDB simple family (application)
EP 89202898 A 19891116; GB 8901740 A 19890126