JP7140779B2 - タイヤ、及び、多孔質体の固定方法 - Google Patents
タイヤ、及び、多孔質体の固定方法 Download PDFInfo
- Publication number
- JP7140779B2 JP7140779B2 JP2019560987A JP2019560987A JP7140779B2 JP 7140779 B2 JP7140779 B2 JP 7140779B2 JP 2019560987 A JP2019560987 A JP 2019560987A JP 2019560987 A JP2019560987 A JP 2019560987A JP 7140779 B2 JP7140779 B2 JP 7140779B2
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- Prior art keywords
- porous body
- tire
- surface layer
- layer
- belt
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
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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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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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
- B29C66/348—Avoiding melting or weakening of the zone directly next to the joint area, e.g. by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—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
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
- B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—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
- B29C66/61—Joining from or joining on the inside
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- 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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- B29C66/7294—Non woven mats, e.g. felt
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- 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
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
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- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
- B29K2105/046—Condition, form or state of moulded material or of the material to be shaped cellular or porous with closed cells
-
- 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
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- 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
- B29K2709/00—Use of inorganic materials not provided for in groups B29K2703/00 - B29K2707/00, for preformed parts, e.g. for inserts
- B29K2709/08—Glass
-
- 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
- B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
-
- 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
- B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
- B29K2711/10—Natural fibres, e.g. wool or cotton
-
- 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
- B29L2030/00—Pneumatic or solid tyres or parts thereof
-
- 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
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/008—Innerliners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
- B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre
- B60C2005/145—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre made of laminated layers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Tires In General (AREA)
Description
まず、本実施形態のタイヤ1のタイヤ本体2について説明する。図1に示すように、本実施形態のタイヤ本体2は、トレッド部2aと、このトレッド部2aのタイヤ幅方向Aの両端部からタイヤ径方向Bの内側に延びる一対のサイドウォール部2bと、各サイドウォール部2bのタイヤ径方向Bの内側の端部に設けられた一対のビード部2cと、を備えている。
ビード部材4は、ビード部1cに埋設されている。ビード部材4は、ビードコア4aと、このビードコア4aに対してタイヤ径方向Bの外側に位置するゴム製のビードフィラ4bと、を備えている。ビードコア4aは、周囲をゴムにより被覆されている複数のビードワイヤを備えている。ビードワイヤはスチールコードにより形成されている。スチールコードは、例えば、スチールのモノフィラメント又は撚り線からなるものとすることができる。なお、ビードワイヤとして、有機繊維やカーボン繊維等を用いてもよい。
カーカス5は、一対のビード部1c間、より具体的には一対のビード部材4のビードコア4a間に跨っており、トロイダル状に延在している。また、カーカス5は、少なくともラジアル構造を有している。
ベルト6は、カーカス5のクラウン部に対してタイヤ径方向Bの外側に配置されている1層以上(本実施形態では5層)のベルト層を備えている。具体的には、図2に示すように、本実施形態のベルト6は、傾斜ベルト6aと、周方向ベルト6bと、を備えている。
トレッドゴム7は、トレッド部2aのタイヤ径方向Bの外側の面を構成しており、トレッド外面には、タイヤ周方向Cに延在する周方向溝7aや、タイヤ幅方向Aに延在する、図示しない幅方向溝等、を含むトレッドパターンが形成されている。サイドゴム8は、サイドウォール部2bのタイヤ幅方向Aの外側の面を構成しており、上述のトレッドゴム7と一体で形成されている。
インナーライナ9は、カーカス5の内面に積層されており、空気透過性の低いブチル系ゴムにより形成されている。すなわち、インナーライナ9は、カーカス5の内面に積層されているゴム層12を構成している。なお、ブチル系ゴムとは、ブチルゴム、及びその誘導体であるハロゲン化ブチルゴムを意味する。
内面部材10は、ゴム層12としてのインナーライナ9の内面に積層されており、タイヤ内面30を構成している。すなわち、本実施形態の内面層11は、内面部材10により構成されている。
図1に示すように、本実施形態の多孔質体3は、タイヤ内面30のうち、タイヤ幅方向Aの中央領域に取り付けられている。より具体的に、本実施形態の多孔質体3は、タイヤ内面30のうち、タイヤ赤道面CLと交わる位置に取り付けられている。
Claims (8)
- 熱可塑性樹脂により形成されている、又は、熱可塑性樹脂を含有する、タイヤ内面を構成する内面層と、
一部が前記内面層に埋め込まれている多孔質体と、を備え、
前記内面層と前記多孔質体との間には離型剤が介在しているタイヤ。 - 前記多孔質体の密度は、前記内面層の密度よりも小さい、請求項1に記載のタイヤ。
- 前記多孔質体は可撓性を有する、請求項1又は2に記載のタイヤ。
- 前記多孔質体の融点は、前記内面層の融点よりも高い、請求項1乃至3のいずれか1つに記載のタイヤ。
- 前記多孔質体は、分解点の温度が融点の温度よりも低く、かつ、前記分解点の温度が前記内面層の融点の温度よりも高い、請求項4に記載のタイヤ。
- 前記多孔質体は、融点の温度が分解点の温度よりも低い、請求項4に記載のタイヤ。
- 前記内面層はゴム層に積層されている、請求項1乃至6のいずれか1つに記載のタイヤ。
- 熱可塑性樹脂により形成されている、又は、熱可塑性樹脂を含有する、タイヤ内面を構成する内面層を溶融させると共に、前記タイヤ内面に付着している離型剤を除去することなく、多孔質体を押圧して前記内面層に埋め込む、多孔質体の固定方法。
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JP2017242064 | 2017-12-18 | ||
JP2017242064 | 2017-12-18 | ||
PCT/JP2018/045360 WO2019124148A1 (ja) | 2017-12-18 | 2018-12-10 | タイヤ、及び、多孔質体の固定方法 |
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US (1) | US20210146735A1 (ja) |
EP (1) | EP3730311B1 (ja) |
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CN (1) | CN111565939A (ja) |
WO (1) | WO2019124148A1 (ja) |
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2018
- 2018-12-10 US US16/770,946 patent/US20210146735A1/en not_active Abandoned
- 2018-12-10 CN CN201880081421.8A patent/CN111565939A/zh active Pending
- 2018-12-10 EP EP18892538.2A patent/EP3730311B1/en active Active
- 2018-12-10 JP JP2019560987A patent/JP7140779B2/ja active Active
- 2018-12-10 WO PCT/JP2018/045360 patent/WO2019124148A1/ja unknown
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EP3730311B1 (en) | 2023-09-27 |
EP3730311A4 (en) | 2021-08-18 |
US20210146735A1 (en) | 2021-05-20 |
JPWO2019124148A1 (ja) | 2020-12-03 |
WO2019124148A1 (ja) | 2019-06-27 |
EP3730311A1 (en) | 2020-10-28 |
CN111565939A (zh) | 2020-08-21 |
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