JPH0247923B2 - - Google Patents

Info

Publication number
JPH0247923B2
JPH0247923B2 JP60110755A JP11075585A JPH0247923B2 JP H0247923 B2 JPH0247923 B2 JP H0247923B2 JP 60110755 A JP60110755 A JP 60110755A JP 11075585 A JP11075585 A JP 11075585A JP H0247923 B2 JPH0247923 B2 JP H0247923B2
Authority
JP
Japan
Prior art keywords
density
filter
layer
filter medium
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP60110755A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61268320A (ja
Inventor
Terukazu Kadoya
Tatsuo Oota
Takashi Nagashima
Hiroshi Horiuchi
Masayuki Okazaki
Naoki Ebii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roki Co Ltd
Original Assignee
Toyo Roki Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Roki Mfg Co Ltd filed Critical Toyo Roki Mfg Co Ltd
Priority to JP11075585A priority Critical patent/JPS61268320A/ja
Publication of JPS61268320A publication Critical patent/JPS61268320A/ja
Publication of JPH0247923B2 publication Critical patent/JPH0247923B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Filtering Materials (AREA)
  • Paper (AREA)
JP11075585A 1985-05-23 1985-05-23 濾過材 Granted JPS61268320A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11075585A JPS61268320A (ja) 1985-05-23 1985-05-23 濾過材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11075585A JPS61268320A (ja) 1985-05-23 1985-05-23 濾過材

Publications (2)

Publication Number Publication Date
JPS61268320A JPS61268320A (ja) 1986-11-27
JPH0247923B2 true JPH0247923B2 (en]) 1990-10-23

Family

ID=14543739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11075585A Granted JPS61268320A (ja) 1985-05-23 1985-05-23 濾過材

Country Status (1)

Country Link
JP (1) JPS61268320A (en])

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50460A (en]) * 1973-05-07 1975-01-07
JPS5013972A (en]) * 1973-06-08 1975-02-13
JPS54124370A (en) * 1978-03-22 1979-09-27 Toray Ind Inc High-strength unwoven filter cloth and its manufacturing method
JPS5523614U (en]) * 1978-07-28 1980-02-15
JPS5599315A (en) * 1979-01-24 1980-07-29 Toray Ind Inc Filter made of nonwoven fabric
JPS6323941Y2 (en]) * 1981-01-19 1988-07-01

Also Published As

Publication number Publication date
JPS61268320A (ja) 1986-11-27

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term