Title:
RAW FEED FEEDING DEVICE OF JET MILL
Document Type and Number:
WIPO Patent Application WO/2003/020428
Kind Code:
A1
Abstract:
A raw feed feeding device of a jet mill (1), wherein raw feed for grinding is fed to the air injector (15) of the jet mill (1) by a raw feed feeder (61) and discharged into the jet mill (1) together with raw feed carrier air, and a raw feed feeding system (60) for feeding the raw feed to the air injector (15) by the raw feed feeder (61) is formed in a closed structure isolated from the atmosphere, whereby the blow−back of dusty air produced by the open system of the raw feed feeder of the jet mill can be prevented from occurring to improve a working environment, increase a pulverizing capacity, and increase a workability.
Inventors:
ITOH HITOSHI (JP)
TANAKA HIROKI (JP)
TANAKA HIROKI (JP)
Application Number:
PCT/JP2002/008375
Publication Date:
March 13, 2003
Filing Date:
August 20, 2002
Export Citation:
Assignee:
SEISHIN ENTPR CO LTD (JP)
ITOH HITOSHI (JP)
TANAKA HIROKI (JP)
ITOH HITOSHI (JP)
TANAKA HIROKI (JP)
International Classes:
B02C19/06; B02C23/02; (IPC1-7): B02C19/06
Foreign References:
| JPH01110844U | 1989-07-26 | |||
| EP0276742A2 | 1988-08-03 | |||
| JPS6216926A | 1987-01-26 | |||
| JPS5853725U | 1983-04-12 |
Attorney, Agent or Firm:
Ehara, Nozomu (Toranomon 2-chome Minato-ku, Tokyo, JP)
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