JP7129575B2 - 成形金型およびシール部品 - Google Patents
成形金型およびシール部品 Download PDFInfo
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- JP7129575B2 JP7129575B2 JP2021570651A JP2021570651A JP7129575B2 JP 7129575 B2 JP7129575 B2 JP 7129575B2 JP 2021570651 A JP2021570651 A JP 2021570651A JP 2021570651 A JP2021570651 A JP 2021570651A JP 7129575 B2 JP7129575 B2 JP 7129575B2
- Authority
- JP
- Japan
- Prior art keywords
- base material
- molding
- opening
- cavity
- gate
- 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.)
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- 238000007789 sealing Methods 0.000 title claims description 20
- 238000000465 moulding Methods 0.000 claims description 76
- 239000000463 material Substances 0.000 claims description 60
- 239000012778 molding material Substances 0.000 claims description 40
- 239000000758 substrate Substances 0.000 claims description 28
- 239000013013 elastic material Substances 0.000 claims description 19
- 239000000446 fuel Substances 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000009969 flowable effect Effects 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 description 15
- 239000007789 gas Substances 0.000 description 11
- 238000009413 insulation Methods 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000272875 Ardeidae Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0276—Sealing means characterised by their form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0286—Processes for forming seals
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C2045/14459—Coating a portion of the article, e.g. the edge of the article injecting seal elements
-
- 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
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
1’:シール部品、
2:基材、
2a:表面、
2b:通気孔、
3:ガスケット、
3a:ベース部、
3b:シールリップ部、
4:キャビティ部、
5:ゲート、
5’:ゲート、
5a:開口部、
5a’:開口部、
6:ベント、
6’:ベント、
6a:開口部、
6a’:開口部、
6b:余剰材料溜まり、
7:ランナー、
8:スプール、
10:成形金型、
10’:成形金型、
11:第1分割型、
12:第2分割型、
13:第3分割型、
41:第1中間部、
41a:第1底部、
41b:第1側面部、
42:第2中間部、
E:エグレ、
E’:エグレ。
Claims (4)
- 板状の基材の表面に、弾性材料からなり前記基材の前記表面に沿って延びる無端形状のガスケットを成形する成形金型において、
前記基材の前記表面に対向する前記成形金型の対向面上に形成され、前記ガスケットの前記無端形状に対応した型形状を有するキャビティ部と、
前記成形金型内で前記キャビティ部に向かって延びる、硬化することで前記弾性材料となる流動性の成形用材料を前記キャビティ部に導入するためのゲートと、
前記ゲートから前記成形用材料を受け入れて前記キャビティ部に送り込む第1中間部であって、前記キャビティ部側に向かって開口した前記ゲートの開口部と前記キャビティ部とを接続し前記基材の前記表面に沿った断面が前記ゲートの前記開口部の開口面積以上の断面積を有する第1中間部と、
前記成形金型内で前記キャビティ部から離れる方向に延びる、前記キャビティ部内における前記ガスケットの成形に不要な不要ガスを前記キャビティ部から排出するためのベントと、
前記キャビティ部から前記不要ガスを受け入れて前記ベントに送り出す第2中間部であって、前記キャビティ部側に向かって開口した前記ベントの開口部と前記キャビティ部とを接続し前記基材の前記表面に沿った断面が前記ベントの前記開口部の開口面積以上の断面積を有する第2中間部と、を備えた成形金型。 - 前記成形金型は分割タイプの成形金型であって、
前記基材の前記表面とは反対側の前記基材の面に接した状態で前記基材を載せる第1分割型と、
前記第1分割型との間で前記基材を挟み込んで前記基材を固定する第2分割型であって、前記基材を挟み込む側の面として前記キャビティ部が形成された前記対向面を有するとともに、内部に前記ゲート、前記第1中間部、前記ベント、および前記第2中間部が形成され、さらに前記対向面とは反対側の面において前記基材に沿った方向に延び前記ゲートに接続するランナーが形成された第2分割型と、
前記第2分割型の前記反対側の面に積層される第3分割型であって、該第3分割型を貫通し前記第2分割型の前記ランナーに接続するスプールが形成された第3分割型と、を備えている請求項1に記載の成形金型。 - 前記成形金型は、前記基材に前記ガスケットが一体成形されてなる燃料電池用のシール部品を製造するための成形金型である請求項1又は2に記載の成形金型。
- 板状の基材と、
前記基材の表面に成形された、弾性材料からなり前記基材の前記表面に沿って延びる無端形状のガスケットと、を備え、
前記ガスケットは、硬化することで前記弾性材料となる流動性の成形用材料が、ゲートおよびベントを有する成形金型に注入されることによって成形されたものであって、該成形時における前記ゲートの開口部との接続位置および前記成形時における前記ベントの開口部との接続位置のそれぞれにおいて、前記基材の前記表面から離れる方向に突出した台座を有するシール部品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020004890 | 2020-01-16 | ||
JP2020004890 | 2020-01-16 | ||
PCT/JP2020/040250 WO2021145047A1 (ja) | 2020-01-16 | 2020-10-27 | 成形金型およびシール部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021145047A1 JPWO2021145047A1 (ja) | 2021-07-22 |
JP7129575B2 true JP7129575B2 (ja) | 2022-09-01 |
Family
ID=76864106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2021570651A Active JP7129575B2 (ja) | 2020-01-16 | 2020-10-27 | 成形金型およびシール部品 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230001613A1 (ja) |
EP (1) | EP4091787A4 (ja) |
JP (1) | JP7129575B2 (ja) |
CN (1) | CN114786910A (ja) |
WO (1) | WO2021145047A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000185116A (ja) | 1998-12-21 | 2000-07-04 | Sumitomo Rubber Ind Ltd | ゴルフボール射出成形用金型およびゴルフボールの製造方法 |
JP2010003508A (ja) | 2008-06-19 | 2010-01-07 | Nissan Motor Co Ltd | 燃料電池セパレータ及びその製造方法並びに燃料電池 |
WO2010113558A1 (ja) | 2009-03-31 | 2010-10-07 | Nok株式会社 | シール部品の製造方法及び金型 |
JP2011098480A (ja) | 2009-11-05 | 2011-05-19 | Aisan Industry Co Ltd | スロットルバルブの製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6052923B2 (ja) * | 1983-10-20 | 1985-11-22 | 松下電工株式会社 | シ−ル材付き合成樹脂部材の製造方法 |
US5833903A (en) * | 1996-12-10 | 1998-11-10 | Great American Gumball Corporation | Injection molding encapsulation for an electronic device directly onto a substrate |
JP4237128B2 (ja) * | 2003-10-24 | 2009-03-11 | パナソニック株式会社 | 燃料電池セパレータ用金型、燃料電池セパレータの製造方法、燃料電池セパレータ、燃料電池セパレータの製造装置、及び燃料電池 |
JP5099352B2 (ja) * | 2008-05-23 | 2012-12-19 | Nok株式会社 | シール部品の製造方法 |
JP5297825B2 (ja) * | 2009-01-29 | 2013-09-25 | 内山工業株式会社 | ガスケット構造体及びその製造方法 |
JP5155992B2 (ja) * | 2009-12-18 | 2013-03-06 | 日本写真印刷株式会社 | 射出成形用金型 |
JP2014092191A (ja) * | 2012-11-01 | 2014-05-19 | Nok Corp | 基材一体型シール及びその製造用金型 |
JP6383200B2 (ja) * | 2014-07-10 | 2018-08-29 | Nok株式会社 | プレート一体ガスケットの製造方法 |
JP6494975B2 (ja) * | 2014-10-31 | 2019-04-03 | Nok株式会社 | 成形品の成形方法及び成形型 |
-
2020
- 2020-10-27 CN CN202080086362.0A patent/CN114786910A/zh active Pending
- 2020-10-27 EP EP20913649.8A patent/EP4091787A4/en active Pending
- 2020-10-27 US US17/779,632 patent/US20230001613A1/en active Pending
- 2020-10-27 WO PCT/JP2020/040250 patent/WO2021145047A1/ja unknown
- 2020-10-27 JP JP2021570651A patent/JP7129575B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000185116A (ja) | 1998-12-21 | 2000-07-04 | Sumitomo Rubber Ind Ltd | ゴルフボール射出成形用金型およびゴルフボールの製造方法 |
JP2010003508A (ja) | 2008-06-19 | 2010-01-07 | Nissan Motor Co Ltd | 燃料電池セパレータ及びその製造方法並びに燃料電池 |
WO2010113558A1 (ja) | 2009-03-31 | 2010-10-07 | Nok株式会社 | シール部品の製造方法及び金型 |
JP2011098480A (ja) | 2009-11-05 | 2011-05-19 | Aisan Industry Co Ltd | スロットルバルブの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN114786910A (zh) | 2022-07-22 |
WO2021145047A1 (ja) | 2021-07-22 |
JPWO2021145047A1 (ja) | 2021-07-22 |
EP4091787A4 (en) | 2024-04-17 |
EP4091787A1 (en) | 2022-11-23 |
US20230001613A1 (en) | 2023-01-05 |
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