JPH0533068B2 - - Google Patents

Info

Publication number
JPH0533068B2
JPH0533068B2 JP60114297A JP11429785A JPH0533068B2 JP H0533068 B2 JPH0533068 B2 JP H0533068B2 JP 60114297 A JP60114297 A JP 60114297A JP 11429785 A JP11429785 A JP 11429785A JP H0533068 B2 JPH0533068 B2 JP H0533068B2
Authority
JP
Japan
Prior art keywords
melt
nonwoven fabric
mask
blown nonwoven
electrified
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
JP60114297A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61272063A (ja
Inventor
Katsutoshi Ando
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP60114297A priority Critical patent/JPS61272063A/ja
Publication of JPS61272063A publication Critical patent/JPS61272063A/ja
Publication of JPH0533068B2 publication Critical patent/JPH0533068B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
JP60114297A 1985-05-29 1985-05-29 マスク Granted JPS61272063A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60114297A JPS61272063A (ja) 1985-05-29 1985-05-29 マスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60114297A JPS61272063A (ja) 1985-05-29 1985-05-29 マスク

Publications (2)

Publication Number Publication Date
JPS61272063A JPS61272063A (ja) 1986-12-02
JPH0533068B2 true JPH0533068B2 (enrdf_load_html_response) 1993-05-18

Family

ID=14634337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60114297A Granted JPS61272063A (ja) 1985-05-29 1985-05-29 マスク

Country Status (1)

Country Link
JP (1) JPS61272063A (enrdf_load_html_response)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874399A (en) * 1988-01-25 1989-10-17 Minnesota Mining And Manufacturing Company Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
US5194596A (en) * 1989-07-27 1993-03-16 California Biotechnology Inc. Production of vascular endothelial cell growth factor
JPH047011A (ja) * 1990-04-23 1992-01-10 Toubu Kk フィルタ
JPH0451963U (enrdf_load_html_response) * 1990-09-08 1992-05-01
JP2841017B2 (ja) * 1993-12-09 1998-12-24 光進電気工業株式会社 防塵マスク
AU2095895A (en) 1995-03-09 1996-10-02 Minnesota Mining And Manufacturing Company Fold flat respirators and processes for preparing same
JP4938260B2 (ja) * 2005-08-02 2012-05-23 ユニ・チャーム株式会社 使い捨てマスク
JP5072708B2 (ja) * 2008-05-15 2012-11-14 ユニ・チャーム株式会社 マスク
JP5419645B2 (ja) * 2009-11-12 2014-02-19 三菱重工業株式会社 マスク
JP2014128387A (ja) 2012-12-28 2014-07-10 San-M Package Co Ltd マスク
CN103610242B (zh) * 2013-12-06 2015-12-02 山东大学 一种高效过滤pm2.5c型口罩
JP6791400B2 (ja) * 2017-10-17 2020-11-25 株式会社村田製作所 フィルタおよび空調装置
WO2023282088A1 (ja) * 2021-07-07 2023-01-12 クラレクラフレックス株式会社 繊維構造体およびその用途

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6814644A (enrdf_load_html_response) * 1968-10-14 1970-04-16
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
JPS5453365A (en) * 1977-10-04 1979-04-26 Nitta Belt Kk Construction of filter medium for air filter employing electret
JPS5598327U (enrdf_load_html_response) * 1978-12-28 1980-07-08
JPS5663374A (en) * 1979-10-24 1981-05-29 American Cyanamid Co Dustproof respirator
CA1190486A (en) * 1980-08-08 1985-07-16 Harold J. Seppala Filter media comprising dissimilar electrically charged layers
JPS5745952U (enrdf_load_html_response) * 1980-08-30 1982-03-13
US4375718A (en) * 1981-03-12 1983-03-08 Surgikos, Inc. Method of making fibrous electrets
JPS5990612A (ja) * 1982-11-12 1984-05-25 Hitachi Ltd 空気清浄用フイルタ
NL8300437A (nl) * 1983-02-04 1984-09-03 Tno Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium.
JPS59156355A (ja) * 1983-02-25 1984-09-05 ミナト製薬株式会社 防塵用イオン化マスクの製造方法
JPS59124A (ja) * 1983-05-23 1984-01-05 Hitachi Ltd 光学系

Also Published As

Publication number Publication date
JPS61272063A (ja) 1986-12-02

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