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 (1415-1 Kurami, Samukawa-machi, Koza-gu, Kanagawa 01, 〒2530101, JP)
Application Number:
JP2010/051137
Publication Date:
August 04, 2011
Filing Date:
January 28, 2010
Export Citation:
Assignee:
Arai Machinery Corporation (1415-1, Kurami Samukawa-machi, Koza-gu, Kanagawa 01, 〒2530101, JP)
株式会社荒井鉄工所 (〒01 神奈川県高座郡寒川町倉見１４１５番地１ Kanagawa, 〒2530101, JP)
株式会社荒井鉄工所 (〒01 神奈川県高座郡寒川町倉見１４１５番地１ Kanagawa, 〒2530101, JP)
International Classes:
B01D29/25; B30B9/14
Attorney, Agent or Firm:
NIWA Hiroyuki et al. (NIWA PATENT OFFICE Nihon Seimei Shimbashi Bldg. 18-16, Shimbashi 1-chome Minato-k, Tokyo 04, 〒1050004, JP)
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Claims: