JP4920529B2 - 通気部材 - Google Patents
通気部材 Download PDFInfo
- Publication number
- JP4920529B2 JP4920529B2 JP2007228103A JP2007228103A JP4920529B2 JP 4920529 B2 JP4920529 B2 JP 4920529B2 JP 2007228103 A JP2007228103 A JP 2007228103A JP 2007228103 A JP2007228103 A JP 2007228103A JP 4920529 B2 JP4920529 B2 JP 4920529B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- peripheral surface
- ventilation member
- inner peripheral
- protrusion
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 39
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 27
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 27
- 239000012528 membrane Substances 0.000 claims description 19
- -1 polytetrafluoroethylene Polymers 0.000 claims description 10
- 238000004078 waterproofing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000012779 reinforcing material Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229940057995 liquid paraffin Drugs 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Landscapes
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Description
2 フィルタ(PTFE多孔質膜)
2a 周縁部
3 第1構造体
31 主面(表面)
33 通気口
4 第2構造体
41 主面(表面)
43 通気口
5 後退部
51 内周面
6 突出部
61 外周面
Claims (5)
- ポリテトラフルオロエチレン多孔質膜を有するフィルタと、互いの主面同士が対向するように前記フィルタを挟んで両側に配置され、前記フィルタによって覆われる通気口をそれぞれ有する第1構造体および第2構造体とを備え、
前記第1構造体には、当該第1構造体の前記主面から前記通気口の周縁部分が拡径しながら後退した後退部であって底側よりも開口側が狭い凹状の後退部が設けられている一方、前記第2構造体には、当該第2構造体の前記主面から前記通気口の周縁部分が拡径しながら突出した突出部であって根元部分よりも先端部分が太い凸状の突出部が設けられており、前記後退部の底面と前記突出部の先端面との間に前記フィルタが挟み込まれた状態で前記後退部と前記突出部とが嵌り合うことにより、前記フィルタ、前記第1構造体、および前記第2構造体が一体化した通気部材。 - 前記後退部の開口面積は、前記フィルタの面積よりも小さい請求項1に記載の通気部材。
- 前記後退部は、傾斜する内周面を有し、前記突出部は、前記内周面と平行なテーパー状の外周面を有しており、前記内周面と前記外周面の間に前記フィルタが介在している請求項2に記載の通気部材。
- 前記内周面の底側に対する開口側の張り出し量および前記外周面の根元部分に対する先端部分の張り出し量は、それぞれ前記後退部の深さおよび前記突出部の高さの10〜30%である請求項3に記載の通気部材。
- 前記通気部材は、筐体の内外の圧力差を解消するための、通気を確保しつつ防塵および防水を図る防水通気部材である請求項1〜4のいずれか一項に記載の通気部材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007228103A JP4920529B2 (ja) | 2007-09-03 | 2007-09-03 | 通気部材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007228103A JP4920529B2 (ja) | 2007-09-03 | 2007-09-03 | 通気部材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009056441A JP2009056441A (ja) | 2009-03-19 |
JP4920529B2 true JP4920529B2 (ja) | 2012-04-18 |
Family
ID=40552678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007228103A Active JP4920529B2 (ja) | 2007-09-03 | 2007-09-03 | 通気部材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4920529B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5611536B2 (ja) * | 2009-04-10 | 2014-10-22 | 日東電工株式会社 | 通気部材および通気構造 |
JP2014151767A (ja) * | 2013-02-08 | 2014-08-25 | Nitto Denko Corp | 通気部材及び通気構造 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5855207B2 (ja) * | 1981-02-24 | 1983-12-08 | 川崎製鉄株式会社 | 溶銑の吹込脱燐用組成物 |
FR2748953B1 (fr) * | 1996-05-24 | 1998-10-02 | Millipore Sa | Unite de filtration en forme d'ellipse |
JP2001024353A (ja) * | 1999-07-12 | 2001-01-26 | Nec Eng Ltd | 圧力調整構造 |
JP4836677B2 (ja) * | 2005-08-24 | 2011-12-14 | 日東電工株式会社 | 通気部材 |
-
2007
- 2007-09-03 JP JP2007228103A patent/JP4920529B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009056441A (ja) | 2009-03-19 |
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