JPH0510961B2 - - Google Patents

Info

Publication number
JPH0510961B2
JPH0510961B2 JP59500960A JP50096084A JPH0510961B2 JP H0510961 B2 JPH0510961 B2 JP H0510961B2 JP 59500960 A JP59500960 A JP 59500960A JP 50096084 A JP50096084 A JP 50096084A JP H0510961 B2 JPH0510961 B2 JP H0510961B2
Authority
JP
Japan
Prior art keywords
foil
dielectric material
dielectric
filter
corona
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
JP59500960A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60500658A (ja
Inventor
Petorusu Teii Ei Kuraasu
Taanhoto Yan Ban
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of JPS60500658A publication Critical patent/JPS60500658A/ja
Publication of JPH0510961B2 publication Critical patent/JPH0510961B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0081—After-treatment of articles without altering their shape; Apparatus therefor using an electric field, e.g. for electrostatic charging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Filtering Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
JP59500960A 1983-02-04 1984-02-02 エレクトレツトフイルタ−用濾材を製造する方法および装置 Granted JPS60500658A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL8300439 1983-02-04
NL8300437A NL8300437A (nl) 1983-02-04 1983-02-04 Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium.
NL8300437 1983-02-04

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP6095173A Division JPH0829213B2 (ja) 1983-02-04 1994-05-09 フィルターの製造方法

Publications (2)

Publication Number Publication Date
JPS60500658A JPS60500658A (ja) 1985-05-09
JPH0510961B2 true JPH0510961B2 (enrdf_load_stackoverflow) 1993-02-12

Family

ID=19841356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59500960A Granted JPS60500658A (ja) 1983-02-04 1984-02-02 エレクトレツトフイルタ−用濾材を製造する方法および装置

Country Status (2)

Country Link
JP (1) JPS60500658A (enrdf_load_stackoverflow)
NL (1) NL8300437A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017138316A (ja) * 2016-02-04 2017-08-10 積水化学工業株式会社 エレクトレットシート

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61272063A (ja) * 1985-05-29 1986-12-02 東レ株式会社 マスク
JPH0633571B2 (ja) * 1988-10-11 1994-05-02 東レ株式会社 エレクトレット不織布の製造方法
JPH04358510A (ja) * 1991-08-09 1992-12-11 Japan Vilene Co Ltd エレクトレットフィルタの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920679A (en) * 1956-01-16 1960-01-12 Walsco Company Method and apparatus for producing fibrous structures
JPS5915167B2 (ja) * 1976-09-25 1984-04-07 新田ベルト株式会社 多孔性シ−トのエレクトレツト成極方法
JPS5915168B2 (ja) * 1976-09-28 1984-04-07 新田ベルト株式会社 エアフイルタ−用濾材の製造方法
JPS6028923B2 (ja) * 1979-05-28 1985-07-08 三井化学株式会社 エレクトレツト化捲縮繊維の製法
JPS5714467A (en) * 1980-06-30 1982-01-25 Kitou Kogyo Kk Welding quality detecting method in magnet arc welding
JPS57101073A (en) * 1980-12-10 1982-06-23 Duskin Franchise Co Production of electoret fiber like molded structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017138316A (ja) * 2016-02-04 2017-08-10 積水化学工業株式会社 エレクトレットシート

Also Published As

Publication number Publication date
JPS60500658A (ja) 1985-05-09
NL8300437A (nl) 1984-09-03

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