JP5450273B2 - 複合通気膜を用いた通気構造 - Google Patents
複合通気膜を用いた通気構造 Download PDFInfo
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- JP5450273B2 JP5450273B2 JP2010132948A JP2010132948A JP5450273B2 JP 5450273 B2 JP5450273 B2 JP 5450273B2 JP 2010132948 A JP2010132948 A JP 2010132948A JP 2010132948 A JP2010132948 A JP 2010132948A JP 5450273 B2 JP5450273 B2 JP 5450273B2
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- permeable membrane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/03—Gas-tight or water-tight arrangements with provision for venting
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
- B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
- B29C65/1616—Near infrared radiation [NIR], e.g. by YAG lasers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
- B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
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- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/81266—Optical properties, e.g. transparency, reflectivity
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- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B7/05—Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
- H05K5/0215—Venting apertures; Constructional details thereof with semi-permeable membranes attached to casings
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
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- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
フッ素樹脂膜を含む本体部と、
黒色を有し、前記本体部に重ね合わされた超高分子量ポリエチレン多孔質シートと、
前記本体部と前記超高分子量ポリエチレン多孔質シートとに介在することによって両者を一体化しているレーザー溶着部と、
を備えた、複合通気膜を提供する。
通気用の開口部を有する樹脂部品と、
前記開口部を塞ぐように前記樹脂部品に取り付けられた通気膜とを備え、
前記通気膜が、上記本発明の複合通気膜によって構成されている、通気構造を提供する。
図6Aおよび図6Bに示す通気構造23は、通気用の開口部21hを有する支持体21と、支持体21に取り付けられた複合通気膜6とを有する。つまり、通気構造23は、通気部材(通気栓)として構成されている。複合通気膜6は、図2を参照して説明したものであり、接着剤または粘着テープで支持体21に固定されている。なお、複合通気膜6と支持体21とがインサート成形によって一体化されていてもよい。支持体21が筐体そのものであってもよい。
図7に示す筐体201は、第1筐体部品11、第2筐体部品12および第1筐体部品11の開口部11hに取り付けられた通気部材33(通気構造)を備えている。第1筐体部品11の開口部11hへの通気部材33の取り付けは、接着剤や粘着テープを用いて行ってもよいし、熱溶着によって行ってもよい。通気部材33において、複合通気膜6と支持体31とはインサート成形によって一体化されている。変形例1および変形例2によると、通気部材23,33を製造した時点で非破壊試験(例えば耐水試験や目視観察)を行える利点がある。また、通気構造を設けるべき筐体の設計変更にも対応しやすい。また、通気部材23,33を筐体に取り付けるための方法を、接着剤や粘着テープの使用、溶着、熱かしめ等の種々の方法から選択できる。
図2に示す通気構造を製造した。まず、本体部2としてのフッ素樹脂膜2a(日東電工社製 テミッシュ(登録商標)NTF810A、厚さ0.3mm、φ13mm、不織布無し)と、UHMWPE多孔質シート3(日東電工社製 サンマップ(登録商標)LC−T、厚さ1.0mm、φ13mm)とを、図4Aおよび図4Bを参照して説明した方法でレーザー溶着し、複合通気膜6を得た。ただし、UHMWPE多孔質シート3には、予め黒色に着色したものを用いた。
サンプル1で得た複合通気膜6を用い、図6Aに示す通気栓(通気構造23)を作製した。この通気栓を第1筐体部品11の開口部11hに接着剤で固定した。
従来の通気膜(日東電工社製 テミッシュ(登録商標)NTF2131A−S06、厚さ0.17mm、φ13mm、片面に不織布有り)を第1筐体部品11に直接レーザー溶着した。
サンプル1〜3の通気構造に対して、高圧洗車試験を行った。高圧洗車試験とは、図16に示すように、通気構造に対して、0°、30°、60°および90°の各角度に配置したノズル80から水を噴射し、筐体への水の浸入の有無を調べる試験である。筐体の内部には、水を感知するウォーターフィーリングペーストを塗布した。そのペーストが緑から赤に変色した場合に、筐体内に水が入ったと判断した。ノズル80からの水の噴射条件は、以下の通りであった。
噴射圧:8MPa
水温 :80℃
時間(各角度):30秒
流量 :14リットル/分
サンプル1,2は、高圧洗車試験を経ても筐体の中に水が全く入っていなかった。一方、サンプル3は、筐体内に水が少し入った。
2a フッ素樹脂膜
3 UHMWPE多孔質シート
4 レーザー溶着部
6 複合通気膜
6g 外周部
11 第1筐体部品(樹脂部品)
11h 開口部
13,23,33 通気構造
200,201 筐体
Claims (7)
- 通気用の開口部を有する樹脂部品と、
前記開口部を塞ぐように前記樹脂部品に取り付けられた通気膜とを備え、
前記通気膜は、(i)フッ素樹脂膜を含む本体部と、(ii)黒色を有し、前記本体部に重ね合わされた超高分子量ポリエチレン多孔質シートと、(iii)前記本体部と前記超高分子量ポリエチレン多孔質シートとに介在することによって両者を一体化しているレーザー溶着部と、を備えた複合通気膜であり、
前記複合通気膜の外周部が前記樹脂部品に埋め込まれており、
前記樹脂部品に埋め込まれた前記外周部にのみ前記レーザー溶着部が形成されている、通気構造。 - 前記レーザー溶着部が、当該複合通気膜の前記外周部における、前記本体部と前記超高分子量ポリエチレン多孔質シートとの間に形成されており、平面視で環形状を有する、請求項1に記載の通気構造。
- 前記本体部の厚さt1と前記超高分子量ポリエチレン多孔質シートの厚さt2とが、t1<t2の関係を満たす、請求項1または2に記載の通気構造。
- 前記本体部が、前記フッ素樹脂膜だけで構成されている、請求項1〜3のいずれか1項に記載の通気構造。
- インサート成形によって、前記複合通気膜と前記樹脂部品とが一体化されている、請求項1〜4のいずれか1項に記載の通気構造。
- 前記樹脂部品の表面から引き下がった位置に前記複合通気膜がある、請求項1〜5のいずれか1項に記載の通気構造。
- 前記樹脂部品は、内部に異物が侵入することを防止するべき筐体の一部であり、
前記筐体の外部に前記超高分子量ポリエチレン多孔質シートが露出する向きで、前記複合通気膜が前記樹脂部品に固定されている、請求項1〜6のいずれか1項に記載の通気構造。
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EP (1) | EP2441625A4 (ja) |
JP (1) | JP5450273B2 (ja) |
KR (1) | KR20120052226A (ja) |
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- 2010-06-10 US US13/377,065 patent/US20120114902A1/en not_active Abandoned
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JP2011016352A (ja) | 2011-01-27 |
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EP2441625A4 (en) | 2013-03-27 |
WO2010143437A1 (ja) | 2010-12-16 |
CN102803022A (zh) | 2012-11-28 |
KR20120052226A (ko) | 2012-05-23 |
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