JP6472022B2 - 空気入りタイヤ及びその成形型 - Google Patents
空気入りタイヤ及びその成形型 Download PDFInfo
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- JP6472022B2 JP6472022B2 JP2014262724A JP2014262724A JP6472022B2 JP 6472022 B2 JP6472022 B2 JP 6472022B2 JP 2014262724 A JP2014262724 A JP 2014262724A JP 2014262724 A JP2014262724 A JP 2014262724A JP 6472022 B2 JP6472022 B2 JP 6472022B2
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- sipe
- tire
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- wall surfaces
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- 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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- 238000000465 moulding Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000009499 grossing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 15
- 238000007493 shaping process Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005488 sandblasting Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000217377 Amblema plicata Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0327—Tread patterns characterised by special properties of the tread pattern
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1272—Width of the sipe
-
- 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
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/68—Cutting profiles into the treads of tyres
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/11—Tread patterns in which the raised area of the pattern consists only of isolated elements, e.g. blocks
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
- B60C11/1218—Three-dimensional shape with regard to depth and extending direction
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
- B29D2030/0607—Constructional features of the moulds
- B29D2030/0613—Means, e.g. sipes or blade-like elements, for forming narrow recesses in the tyres, e.g. cuts or incisions for winter tyres
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0072—Roughness, e.g. anti-slip
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0327—Tread patterns characterised by special properties of the tread pattern
- B60C2011/0334—Stiffness
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
- B60C2011/1209—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe straight at the tread surface
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1236—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern
- B60C2011/1254—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern with closed sipe, i.e. not extending to a groove
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1272—Width of the sipe
- B60C2011/1277—Width of the sipe being narrow, i.e. less than 0.3 mm
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
- B60C2011/133—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising recesses
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
- B60C2011/1338—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising protrusions
Description
実施形態に係る空気入りタイヤは、図示を省略したが、左右一対のビード部及びサイドウォール部と、左右のサイドウォール部の径方向外方端部同士を連結するように両サイドウォール部間に設けられたトレッド部10とを備えて構成されており、トレッドパターン以外については一般的なタイヤ構造を採用することができる。
図6〜8に基づいて実施形態2に係るサイプ及びサイプ板の構成について説明する。実施形態2のサイプ18Aは、対向する一対の壁面22,24の少なくとも一方に、サイプ深さ方向Dに延びる少なくとも一本の凹溝30が設けられた点で実施形態1とは異なる。
上記実施形態では、壁面22,24同士の密着効果を発揮する幅狭かつ平滑化された幅狭部20をサイプ18,18Aの全体に形成したが、必ずしも全体に形成する必要はない。サイプ18,18Aは、幅狭部20とともに、より幅の広い部分や、幅Wは0.6mm以下であるが平滑化されていない部分等を含んでもよい。好ましくは、サイプ18,18Aは、上記幅狭部20を主として含むことであり、具体的には、壁面22の50%以上(より好ましくは70%以上)に相当する部分が幅狭部20であることが好ましい。以上の点、サイプ板52,52Aの薄板部54についても同様である。
Claims (5)
- トレッドに設けられた陸部と、前記陸部に設けられたサイプとを備え、
前記サイプは、幅が0.4mm以下の幅狭部を含み、前記幅狭部は、対向する一対の壁面の算術平均粗さRaが1.6μm以下である、空気入りタイヤ。 - トレッドに設けられた陸部と、前記陸部に設けられたサイプとを備え、
前記サイプは、対向する壁面間に浸入した水によって形成される水膜により前記壁面同士が吸着することを可能にする表面の平滑性と間隔を有する、対向する一対の壁面を持ち、前記平滑性は算術平均粗さRaが1.6μm以下であり、前記間隔は0.4mm以下である、空気入りタイヤ。 - 前記サイプの対向する一対の壁面の少なくとも一方に、サイプ深さ方向に延びる少なくとも一本の凹溝が設けられた、請求項1又は2記載の空気入りタイヤ。
- トレッドに形成される陸部にサイプを成形するためのサイプ板を備え、
前記サイプ板は、厚みが0.4mm以下である薄板部を含み、前記薄板部は、前記サイプの対向する一対の壁面を成形する一対の側面の算術平均粗さRaが1.8μm以下である、空気入りタイヤの成形型。 - 前記サイプ板の前記一対の側面の少なくとも一方に、サイプ深さ方向に延びる少なくとも一本の凸条が設けられた、請求項4記載の空気入りタイヤの成形型。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014262724A JP6472022B2 (ja) | 2014-12-25 | 2014-12-25 | 空気入りタイヤ及びその成形型 |
US14/972,240 US20160185161A1 (en) | 2014-12-25 | 2015-12-17 | Pneumatic tire and molding die thereof |
CN201510995839.8A CN105730153B (zh) | 2014-12-25 | 2015-12-25 | 充气轮胎及其成型模 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014262724A JP6472022B2 (ja) | 2014-12-25 | 2014-12-25 | 空気入りタイヤ及びその成形型 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016120857A JP2016120857A (ja) | 2016-07-07 |
JP6472022B2 true JP6472022B2 (ja) | 2019-02-20 |
Family
ID=56163240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014262724A Active JP6472022B2 (ja) | 2014-12-25 | 2014-12-25 | 空気入りタイヤ及びその成形型 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20160185161A1 (ja) |
JP (1) | JP6472022B2 (ja) |
CN (1) | CN105730153B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3076763A1 (fr) * | 2018-01-18 | 2019-07-19 | Compagnie Generale Des Etablissements Michelin | Procede de fabrication d'un segment de moule pour la cuisson et la vulcanisation d'un pneumatique |
JP7103306B2 (ja) * | 2019-06-04 | 2022-07-20 | 横浜ゴム株式会社 | タイヤ成形用金型 |
JP6915649B2 (ja) * | 2019-07-03 | 2021-08-04 | 横浜ゴム株式会社 | タイヤ加硫用モールドおよびタイヤの製造方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10138714A (ja) * | 1996-11-11 | 1998-05-26 | Bridgestone Corp | 空気入りタイヤ |
JPH1142913A (ja) * | 1997-07-30 | 1999-02-16 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ及びその成形金型 |
JP3906967B2 (ja) * | 2000-12-21 | 2007-04-18 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP3811045B2 (ja) * | 2001-03-27 | 2006-08-16 | 日本碍子株式会社 | サイプブレード成形用金型及びその製造方法 |
JP4219178B2 (ja) * | 2003-01-23 | 2009-02-04 | 横浜ゴム株式会社 | 空気入りタイヤ及びその製造方法 |
JP4487124B2 (ja) * | 2004-06-21 | 2010-06-23 | 横浜ゴム株式会社 | 空気入りタイヤ及びタイヤ成形用金型 |
JP4299745B2 (ja) * | 2004-08-12 | 2009-07-22 | 住友ゴム工業株式会社 | 空気入りタイヤ |
FR2898298B1 (fr) * | 2006-03-08 | 2010-08-20 | Michelin Soc Tech | Incision de bande de roulement comprenant des parties de blocage. |
JP5168810B2 (ja) * | 2006-04-07 | 2013-03-27 | 横浜ゴム株式会社 | 空気入りタイヤ及びその空気入りタイヤの成形用金型。 |
JP4211944B2 (ja) * | 2006-11-17 | 2009-01-21 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
WO2008146890A1 (ja) * | 2007-05-29 | 2008-12-04 | Bridgestone Corporation | 空気入りタイヤ |
JP5261783B2 (ja) * | 2007-09-26 | 2013-08-14 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP5270417B2 (ja) * | 2009-03-26 | 2013-08-21 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
US9393719B2 (en) * | 2010-03-26 | 2016-07-19 | Bridgestone Corporation | Pneumatic tire with specified outer surface |
JP5606824B2 (ja) * | 2010-08-18 | 2014-10-15 | 株式会社不二製作所 | 金型の表面処理方法及び前記方法で表面処理された金型 |
CN102442166B (zh) * | 2010-10-13 | 2015-07-01 | 东洋橡胶工业株式会社 | 充气轮胎 |
JP5797452B2 (ja) * | 2011-05-16 | 2015-10-21 | 東洋ゴム工業株式会社 | サイプブレード及びタイヤ製造方法 |
JP6000218B2 (ja) * | 2013-10-09 | 2016-09-28 | 横浜ゴム株式会社 | 空気入りタイヤ |
-
2014
- 2014-12-25 JP JP2014262724A patent/JP6472022B2/ja active Active
-
2015
- 2015-12-17 US US14/972,240 patent/US20160185161A1/en not_active Abandoned
- 2015-12-25 CN CN201510995839.8A patent/CN105730153B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105730153B (zh) | 2019-01-15 |
US20160185161A1 (en) | 2016-06-30 |
CN105730153A (zh) | 2016-07-06 |
JP2016120857A (ja) | 2016-07-07 |
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