Title:
DIVIDED SCRAPER, AND FILTERING OR TRANSFER DEVICE OF THE FLUID
Document Type and Number:
WIPO Patent Application WO/2011/092819
Kind Code:
A1
Abstract:
Disclosed are a divided scraper, and filtering or transfer device of the fluid, to which a twisting structure in accordance with screw twist is given in advance so as to be able to be removably engaged into a recessed groove which is formed at the end part of the spiral blade of a screw. Specifically disclosed is a divided scraper which can be removably mounted along the inner periphery of a cylindrical body (1), such as a filter cylinder or a transfer cylinder, of a screw inserted into the cylindrical body (1), and a recessed groove (3) on the end surface of a spiral blade (4) which is noncontact and spiral with or without a pressure spring therebetween, and is brought into sliding contact with the inner periphery of the cylindrical body (1), and which is a twisted polymer resin component in a side-surface arc shape and a flat-surface S shape, which are taken after the shape of the spiral blade (4), and has adjacent parts at the end part thereof.
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Inventors:
ARAI KOICHI (JP)
Application Number:
PCT/JP2010/051137
Publication Date:
August 04, 2011
Filing Date:
January 28, 2010
Export Citation:
Assignee:
ARAI MACHINERY CORP (JP)
ARAI KOICHI (JP)
ARAI KOICHI (JP)
International Classes:
B01D29/25; B30B9/14
Foreign References:
| JPH0642931B2 | 1994-06-08 | |||
| JPH07214382A | 1995-08-15 | |||
| JPH04272001A | 1992-09-28 | |||
| JP2007296441A | 2007-11-15 | |||
| JPS5544447A | 1980-03-28 | |||
| JPH081389A | 1996-01-09 | |||
| JPH0570785U | 1993-09-24 | |||
| US20050247544A1 | 2005-11-10 |
Attorney, Agent or Firm:
NIWA Hiroyuki et al. (JP)
Hiroyuki Niwa (JP)
Hiroyuki Niwa (JP)
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Claims: