Title:
スクレーパ装置
Document Type and Number:
Japanese Patent JP3620599
Kind Code:
B2
Abstract:
PCT No. PCT/SE94/00300 Sec. 371 Date Oct. 5, 1995 Sec. 102(e) Date Oct. 5, 1995 PCT Filed Apr. 5, 1994 PCT Pub. No. WO94/24363 PCT Pub. Date Oct. 27, 1994The present invention relates to a scraper device, preferably a bottom scraper arranged at the bottom of a continuous digester for pulp production, which scraper comprises at least one scraper arm (12), preferably arranged with shovel members (13), a shaft (6) and drive device (15) for driving the scraper arm (12), an axially extending bore (8) inside the shaft (6) for supplying liquid, and a sealing arrangement (3, 4, 5, 14) for sealing between the atmosphere and the medium in which the scraper arm (12) is intended to rotate, the bore (8) extending along only a limited part of the shaft (6) at that end of the shaft (6) on which the scraper arm (12) is arranged.
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Inventors:
Float Quist, Yang
Application Number:
JP52303494A
Publication Date:
February 16, 2005
Filing Date:
April 05, 1994
Export Citation:
Assignee:
Kvaerner Pulping Activolag
International Classes:
D21C3/24; B01D21/18; D21C7/08; (IPC1-7): D21C7/08
Domestic Patent References:
| JP5626090A | ||||
| JP3287891A | ||||
| JP5633515B2 |
Attorney, Agent or Firm:
Akio Miyazaki
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki