Title:
ROUGH GRINDER
Document Type and Number:
Japanese Patent JP2002336712
Kind Code:
A
Abstract:
To provide a roll type rough grinder capable of rapidly grinding a hard material up to a desired particle size and reducing work load such as the charging/delivery, or the like, of a work as compared with a batchwise grinder.
Two pairs of upper and lower rolls 3 and 4 are provided, and the arranging interval between the rolls and rotational speeds of the rolls are made different to continuously grind flocculated powdery lumps of the hard material up to a particle size of 1 mm or less.
Inventors:
HOTTA HIDEKAZU
Application Number:
JP2001144208A
Publication Date:
November 26, 2002
Filing Date:
May 15, 2001
Export Citation:
Assignee:
ALLIED MATERIAL CORP
International Classes:
B02C4/08; B02C4/30; B02C4/32; B02C4/42; (IPC1-7): B02C4/08; B02C4/30; B02C4/32; B02C4/42
Attorney, Agent or Firm:
Yosuke Goto (1 person outside)