Title (en)

CYLINDRICAL MILL WITH INTERNAL MILLING ROLLERS

Publication

EP 0351306 A3 19910130 (FR)

Application

EP 89401986 A 19890711

Priority

FR 8809752 A 19880712

Abstract (en)

[origin: EP0351306A2] The cylindrical mill comprises one or more grinding rollers (15) arranged radially inside the rotary drum (1) and accompanied with displacement means such that they are displaced along the annular guide (4) in the material to be ground during the rotation of the drum (1). According to the invention, each annular guide (4) is surrounded by annular lifting zones (7), in which zones rings (8) provided with equidistant and inclined blades (9) are fixed to the inner wall of the drum (1). <IMAGE>

IPC 1-7

B02C 15/08

IPC 8 full level

B02C 15/02 (2006.01)

CPC (source: EP)

B02C 15/02 (2013.01)

Citation (search report)

• [YD] FR 552251 A 19230427
• [Y] US 3598327 A 19710810 - BRANDES JOHN G
• [Y] FR 2538268 A1 19840629 - ITALCEMENTI SPA [IT]
• [A] FR 419266 A 19101230 - EUGENE JOSEPH MARTIN [FR], et al
• [A] DE 34171 C
• [A] DE 659853 C 19390715 - HERMANN BERG
• [A] DE 325029 C 19200908 - OSKAR WAUTHIER

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0351306 A2 19900117; EP 0351306 A3 19910130; FR 2634141 A1 19900119; FR 2634141 B1 19940429

DOCDB simple family (application)

EP 89401986 A 19890711; FR 8809752 A 19880712