JPS6322848B2 - - Google Patents

Info

Publication number
JPS6322848B2
JPS6322848B2 JP54038425A JP3842579A JPS6322848B2 JP S6322848 B2 JPS6322848 B2 JP S6322848B2 JP 54038425 A JP54038425 A JP 54038425A JP 3842579 A JP3842579 A JP 3842579A JP S6322848 B2 JPS6322848 B2 JP S6322848B2
Authority
JP
Japan
Prior art keywords
electret
film
filter
laminate
needle punching
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
Application number
JP54038425A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55132615A (en
Inventor
Kazuyuki Yamazaki
Takehisa Shinagawa
Takuji Watanabe
Takashi Takahira
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.)
MITSUI SEKYU KAGAKU KOGYO KK
NITSUTA KK
Original Assignee
MITSUI SEKYU KAGAKU KOGYO KK
NITSUTA KK
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 MITSUI SEKYU KAGAKU KOGYO KK, NITSUTA KK filed Critical MITSUI SEKYU KAGAKU KOGYO KK
Priority to JP3842579A priority Critical patent/JPS55132615A/ja
Publication of JPS55132615A publication Critical patent/JPS55132615A/ja
Publication of JPS6322848B2 publication Critical patent/JPS6322848B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets

Landscapes

  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
JP3842579A 1979-04-02 1979-04-02 Electret filter Granted JPS55132615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3842579A JPS55132615A (en) 1979-04-02 1979-04-02 Electret filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3842579A JPS55132615A (en) 1979-04-02 1979-04-02 Electret filter

Publications (2)

Publication Number Publication Date
JPS55132615A JPS55132615A (en) 1980-10-15
JPS6322848B2 true JPS6322848B2 (enrdf_load_stackoverflow) 1988-05-13

Family

ID=12524945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3842579A Granted JPS55132615A (en) 1979-04-02 1979-04-02 Electret filter

Country Status (1)

Country Link
JP (1) JPS55132615A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10612250B2 (en) 2014-03-24 2020-04-07 Flooring Industries Limited, Sarl Set of mutually lockable panels

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714446B2 (ja) * 1985-10-28 1995-02-22 三井石油化学工業株式会社 エレクトレツト化不織布フイルタ−
JPS63116714A (ja) * 1986-11-05 1988-05-21 Toray Ind Inc エレクトレットフィルタ−エレメント
US5538545A (en) * 1994-11-04 1996-07-23 W. L. Gore & Associates Nonparticulating adsorbent recirculating filter
US10240269B2 (en) * 2014-06-23 2019-03-26 3M Innovative Properties Company Electret webs with charge-enhancing additives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10612250B2 (en) 2014-03-24 2020-04-07 Flooring Industries Limited, Sarl Set of mutually lockable panels

Also Published As

Publication number Publication date
JPS55132615A (en) 1980-10-15

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