Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SCREW HAVING CRUSHING MECHANISM
Document Type and Number:
Japanese Patent JP3730818
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To grind or crush a granular material of various grain sizes and to improve properties of kneading with a liquid additive by providing a plurality of fins having no lead on the upstream-side of a flight part of a mixer supply part of a screw.
SOLUTION: This screw having a crushing mechanism has a plurality of fins 10 provided on the upstream side of a flight part 1 of a mixer supply part 3, in axial and rotational directions and at prescribed intervals in the rotational direction. By these fins 10, a granular material of various grain sizes is ground or crushed.


Inventors:
Nobuhisa Kobayashi
Yukio Imamura
Application Number:
JP29365399A
Publication Date:
January 05, 2006
Filing Date:
October 15, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Japan Steel Works, Ltd.
International Classes:
B29B7/42; B29B7/48; B29B7/90; B29B7/94; B29B13/10; (IPC1-7): B29B7/42; B29B7/48; B29B7/90; B29B7/94; B29B13/10
Domestic Patent References:
JP9000902A
JP7080834A
JP9225991A
Attorney, Agent or Firm:
Michiteru Soga
Michiharu Soga
Yutaka Ikeya
Hidetoshi Furukawa
Suzuki Kenchi
Koji Fukui
Keiro Mochizuki