Title:
濾過用フィルター
Document Type and Number:
Japanese Patent JP4295394
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide the titled filter low in a pressure drop, capable of preventing a molten polymer from stagnating and generating gel and usable suitably even for high pressure filtration in the case of the filtration of a fluid to be treated such as the molten polymer, for example. SOLUTION: In this filter, a filtration chamber is formed between a filter medium and a filtrate outlet and a spacer member 5 is provided in the filtration chamber to support the filter medium directly or indirectly. The spacer member 5 contains a coiled wire body 6 so that the filter medium is supported by the outer peripheral surface of the wire body 6 by arranging the central axis of this wire body 6 in parallel with the face of the filter medium.
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Inventors:
Shigeo Nishida
Kijima Dai
Kijima Dai
Application Number:
JP18383999A
Publication Date:
July 15, 2009
Filing Date:
June 29, 1999
Export Citation:
Assignee:
Nippon Seisen Co., Ltd.
International Classes:
B01D29/39
Domestic Patent References:
| JP63065921A | ||||
| JP1119317A | ||||
| JP4271802A | ||||
| JP1284317A |
Attorney, Agent or Firm:
Sumitomo Shintaro
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