JP7011775B2 - 感圧センサの製造方法、及び感圧センサの製造装置 - Google Patents
感圧センサの製造方法、及び感圧センサの製造装置 Download PDFInfo
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- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0026—Transmitting or indicating the displacement of flexible, deformable tubes by electric, electromechanical, magnetic or electromagnetic means
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/156—Coating two or more articles simultaneously
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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
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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
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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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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
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- G—PHYSICS
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- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
- G01L19/141—Monolithic housings, e.g. molded or one-piece housings
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
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Description
以下、本発明の実施の形態を添付図面にしたがって説明する。
図1は、本実施の形態に係る感圧センサの製造方法で製造する感圧センサを示す図であり、(a)は長手方向に垂直な断面を示す断面図、(b)は斜視図である。
図3は、感圧センサの製造装置を示す図であり、(a)は断面図、(b)はそのA-A線断面図である。図4は、心金の側面を示すと共に材料の流れ示した説明図である。感圧センサの製造装置10は、押出成形により感圧センサ1を製造する押出機である。本実施の形態に係る感圧センサの製造装置10は、弾性絶縁体と弾性導電体を同時に押し出す2層同時押出を可能とするものである。
本実施の形態に係る感圧センサの製造方法は、図3,4で説明した感圧センサの製造装置10を用い、弾性絶縁体材料を押し出しつつ、心金12の内部から2つ以上の溝121に弾性導電体材料を供給することで、弾性絶縁体材料と弾性導電体材料とを同時に押出成形する。換言すれば、本実施の形態に係る感圧センサの製造方法では、弾性絶縁体を外層、弾性導電体を内層として同時に押出成形する。また、螺旋状の溝121を流れる材料の影響により、吐出口14から材料が回転しつつ押し出されるようにする。
図5(a)に示す感圧センサ1aのように、導電リブ31に金属線4が通線されていてもよい。金属線4としては、銅等の良導電性の金属からなる単線や、複数の素線を互いに撚り合わせた撚線を用いることができる。図5(a)では、一例として、7本の素線を撚り合わせた撚線を金属線4として用いる場合を示している。また、金属線4としては、銅箔をポリエステルなどからなる糸に巻き付けた銅箔糸を用いることもできる。さらに、金属線4は、耐熱性を高める目的で表面をスズ、ニッケル、銀、亜鉛などのメッキが施されていてもよい。金属線4を通線する方法は特に限定するものではないが、例えば、弾性導電体材料用流路122から弾性導電体材料と共に金属線4を導出させ、金属線4を溝121に沿わせつつ吐出口14へと導くようにすればよい。
以上説明したように、本実施の形態に係る感圧センサの製造方法では、筒状の口金11と該口金11内に配置された心金12とを備え、口金11と心金12とに挟まれた円環状の吐出口14を有すると共に、心金12の外周面に螺旋状の複数の溝121が形成されている押出機としての感圧センサの製造装置10を用い、弾性絶縁体材料を押し出しつつ、心金12の内部から2つ以上の溝121に弾性導電体材料を供給することで、弾性絶縁体材料と弾性導電体材料とを同時に押出成形している。
次に、以上説明した実施の形態から把握される技術思想について、実施の形態における符号等を援用して記載する。ただし、以下の記載における各符号等は、特許請求の範囲における構成要素を実施の形態に具体的に示した部材等に限定するものではない。
2…筒状体
2a…中空部
2b…内周面
3…螺旋リブ
31…導電リブ
32…絶縁リブ
10…感圧センサの製造装置
11…口金
12…心金
121…溝
122…弾性導電体材料用流路
14…吐出口
Claims (4)
- 筒状の口金と該口金内に配置された心金とを備え、前記口金と前記心金とに挟まれた円環状の吐出口を有すると共に、前記心金の外周面に螺旋状の複数の溝が形成されている押出機を用い、
弾性絶縁体材料を押し出しつつ、前記心金の内部から2つ以上の前記溝に弾性導電体材料を供給することで、前記弾性絶縁体材料と前記弾性導電体材料とを同時に押出成形し、
長手方向に沿って中空部を有し弾性絶縁体からなる筒状体と、前記筒状体の前記中空部の内周面に沿って螺旋状に設けられ、前記内周面から内方に突出する弾性導電体からなる2つ以上の導電リブと、を有する感圧センサを形成する、
感圧センサの製造方法。 - 筒状の口金と該口金内に配置された心金とを備え、前記口金と前記心金とに挟まれた円環状の吐出口を有し、前記吐出口から弾性絶縁体材料を吐出することで、長手方向に沿って中空部を有し弾性絶縁体からなる筒状体を押出成形可能な感圧センサの製造装置であって、
前記心金は、その外周面に形成された螺旋状の複数の溝と、前記心金の内部から2つ以上の前記溝に弾性導電体材料を供給するための弾性導電体材料用流路と、を有する、
感圧センサの製造装置。 - 前記複数の溝のうち少なくとも1つには、前記弾性導電体材料用流路が連通されていない、
請求項2に記載の感圧センサの製造装置。 - 前記口金の内周面に、螺旋状の外側溝が形成されている、
請求項2または3に記載の感圧センサの製造装置。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2017241622A JP7011775B2 (ja) | 2017-12-18 | 2017-12-18 | 感圧センサの製造方法、及び感圧センサの製造装置 |
| CN201811210126.6A CN109932104B (zh) | 2017-12-18 | 2018-10-17 | 压敏传感器的制造方法和制造装置以及压敏传感器 |
| US16/167,820 US10866155B2 (en) | 2017-12-18 | 2018-10-23 | Method for manufacturing pressure-sensitive sensor, pressure-sensitive sensor manufacturing equipment, and pressure-sensitive sensor |
| US17/093,830 US11555754B2 (en) | 2017-12-18 | 2020-11-10 | Method for manufacturing pressure-sensitive sensor, pressure-sensitive sensor manufacturing equipment, and pressure-sensitive sensor |
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| JP2017241622A JP7011775B2 (ja) | 2017-12-18 | 2017-12-18 | 感圧センサの製造方法、及び感圧センサの製造装置 |
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| JP2019109115A JP2019109115A (ja) | 2019-07-04 |
| JP7011775B2 true JP7011775B2 (ja) | 2022-01-27 |
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| JP7011775B2 (ja) * | 2017-12-18 | 2022-01-27 | 日立金属株式会社 | 感圧センサの製造方法、及び感圧センサの製造装置 |
| US20190233972A1 (en) * | 2018-01-31 | 2019-08-01 | Saudi Arabian Oil Company | Producing Fibers Using Spinnerets |
| EP3968460A4 (en) | 2019-06-11 | 2023-01-18 | Agc Inc. | ANTENNA |
| CN110987245B (zh) * | 2019-12-13 | 2021-04-30 | 复旦大学 | 一种纤维状压力发光传感器及其制备方法和应用 |
| US11331632B2 (en) | 2020-02-14 | 2022-05-17 | Saudi Arabian Oil Company | Thin film composite hollow fiber membranes fabrication systems |
| US11406941B2 (en) | 2020-02-14 | 2022-08-09 | Saudi Arabian Oil Company | Thin film composite hollow fiber membranes fabrication systems |
| US11253819B2 (en) | 2020-05-14 | 2022-02-22 | Saudi Arabian Oil Company | Production of thin film composite hollow fiber membranes |
| US12116326B2 (en) | 2021-11-22 | 2024-10-15 | Saudi Arabian Oil Company | Conversion of hydrogen sulfide and carbon dioxide into hydrocarbons using non-thermal plasma and a catalyst |
| US11993970B2 (en) * | 2022-02-21 | 2024-05-28 | Ford Global Technologies, Llc | Window system that has a pressure-sensitive material and an associated object detection method |
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| US10866155B2 (en) | 2020-12-15 |
| CN109932104B (zh) | 2022-11-22 |
| US11555754B2 (en) | 2023-01-17 |
| US20190187015A1 (en) | 2019-06-20 |
| US20210055176A1 (en) | 2021-02-25 |
| CN109932104A (zh) | 2019-06-25 |
| JP2019109115A (ja) | 2019-07-04 |
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