JP4839709B2 - フィルターおよびその製造方法 - Google Patents

フィルターおよびその製造方法 Download PDF

Info

Publication number
JP4839709B2
JP4839709B2 JP2005208245A JP2005208245A JP4839709B2 JP 4839709 B2 JP4839709 B2 JP 4839709B2 JP 2005208245 A JP2005208245 A JP 2005208245A JP 2005208245 A JP2005208245 A JP 2005208245A JP 4839709 B2 JP4839709 B2 JP 4839709B2
Authority
JP
Japan
Prior art keywords
fiber
fibers
filter
branched
porous sheet
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
JP2005208245A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007021400A (ja
JP2007021400A5 (enExample
Inventor
良一 富樫
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 JP2005208245A priority Critical patent/JP4839709B2/ja
Publication of JP2007021400A publication Critical patent/JP2007021400A/ja
Publication of JP2007021400A5 publication Critical patent/JP2007021400A5/ja
Application granted granted Critical
Publication of JP4839709B2 publication Critical patent/JP4839709B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Artificial Filaments (AREA)
  • Paper (AREA)
JP2005208245A 2005-07-19 2005-07-19 フィルターおよびその製造方法 Expired - Lifetime JP4839709B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005208245A JP4839709B2 (ja) 2005-07-19 2005-07-19 フィルターおよびその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005208245A JP4839709B2 (ja) 2005-07-19 2005-07-19 フィルターおよびその製造方法

Publications (3)

Publication Number Publication Date
JP2007021400A JP2007021400A (ja) 2007-02-01
JP2007021400A5 JP2007021400A5 (enExample) 2008-07-24
JP4839709B2 true JP4839709B2 (ja) 2011-12-21

Family

ID=37782848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005208245A Expired - Lifetime JP4839709B2 (ja) 2005-07-19 2005-07-19 フィルターおよびその製造方法

Country Status (1)

Country Link
JP (1) JP4839709B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4976487B2 (ja) * 2007-04-17 2012-07-18 帝人ファイバー株式会社 湿式不織布およびフィルター
CN102277795A (zh) * 2011-08-12 2011-12-14 浙江凯恩特种材料股份有限公司 一种滤袋滤纸及茶叶滤袋和袋装茶叶
CN111330355B (zh) * 2020-02-28 2022-06-14 厦门理工学院 一种驻极纳米纤维高效过滤材料及其制备方法
CN114984665A (zh) * 2022-06-07 2022-09-02 孙宁 一种分支状完全可降解纳米纤维口罩滤芯材料及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3305372B2 (ja) * 1992-10-15 2002-07-22 三菱製紙株式会社 液体濾過用フィルター濾材
JPH1112183A (ja) * 1997-06-26 1999-01-19 Asahi Medical Co Ltd 白血球除去フィルター材及び白血球除去方法
JP4064593B2 (ja) * 1999-09-30 2008-03-19 三菱製紙株式会社 難燃性を有し発生ガス量の少ない積層用シート及び濾材
JP2002001020A (ja) * 2000-04-10 2002-01-08 Toray Ind Inc 濾 材
JP4184917B2 (ja) * 2002-10-23 2008-11-19 東レ株式会社 ナノファイバー集合体

Also Published As

Publication number Publication date
JP2007021400A (ja) 2007-02-01

Similar Documents

Publication Publication Date Title
KR102340662B1 (ko) 필터용 다층 여과재 및 그의 제조 방법 및 에어 필터
CN103458987B (zh) 过滤器用滤材以及具备该滤材的水过滤装置
CN1968720B (zh) 医用过滤材料及使用了该过滤材料的体外循环柱和血液过滤器
JP7220235B2 (ja) ろ過性能が向上した不織布の製造方法
CN110314448A (zh) 具有细短纤维的过滤介质
DE102009026277A1 (de) Verfahren zum Herstellen eines Verbundfiltermediums
DE102009026276A1 (de) Verbundfiltermedium
KR20120022732A (ko) 적층 부직포
WO1998013123A1 (en) High-precision filter
WO2019082887A1 (ja) 混繊不織布、積層体、フィルター用濾材及びこれらの製造方法
JPH1190135A (ja) プリーツフィルター
JPWO2013035201A1 (ja) フィルタ材
CN113646474A (zh) 复合结构体、其制造方法及包含所述复合结构体的滤材
CN110997119B (zh) 过滤器滤材、其制造方法及包括其的过滤器单元
JP2005270965A (ja) フィルターおよびフィルターエレメント
JP4083951B2 (ja) 筒状フィルタ
JP4839709B2 (ja) フィルターおよびその製造方法
JP3305372B2 (ja) 液体濾過用フィルター濾材
JP4207485B2 (ja) 棒状繊維成形体
JP3677385B2 (ja) 濾過材及びこれを用いたフィルタ
JP2001321620A (ja) 筒状フィルタ
JP4464433B2 (ja) 筒状フィルタ
JP4737039B2 (ja) 吸気用フィルター不織布
JPH04194013A (ja) 極細繊維発生繊維
JP2018153758A (ja) 分離膜用不織布

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080609

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080609

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20091124

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110301

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110428

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110906

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110919

R151 Written notification of patent or utility model registration

Ref document number: 4839709

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20141014

Year of fee payment: 3

EXPY Cancellation because of completion of term