WO2014090437A1 - Pneumatique de véhicule - Google Patents

Pneumatique de véhicule Download PDF

Info

Publication number
WO2014090437A1
WO2014090437A1 PCT/EP2013/071389 EP2013071389W WO2014090437A1 WO 2014090437 A1 WO2014090437 A1 WO 2014090437A1 EP 2013071389 W EP2013071389 W EP 2013071389W WO 2014090437 A1 WO2014090437 A1 WO 2014090437A1
Authority
WO
WIPO (PCT)
Prior art keywords
pattern
tread
pneumatic vehicle
circumferential
vehicle tire
Prior art date
Application number
PCT/EP2013/071389
Other languages
German (de)
English (en)
Inventor
Hans-Bernd Korte
Original Assignee
Continental Reifen Deutschland Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Reifen Deutschland Gmbh filed Critical Continental Reifen Deutschland Gmbh
Publication of WO2014090437A1 publication Critical patent/WO2014090437A1/fr

Links

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
    • B60C11/24—Wear-indicating arrangements
    • 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
    • B60C11/0302—Tread patterns directional pattern, i.e. with main rolling direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—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
    • B60C11/12—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
    • B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
    • B60C2011/1231—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe being shallow, i.e. sipe depth of less than 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
    • B60C11/12—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
    • B60C2011/1245—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern being arranged in crossing relation, e.g. sipe mesh
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth

Definitions

  • the invention relates to a pneumatic vehicle tire with a by grooves and / or
  • Sections and the like profiled treads and a method for detecting and analyzing the wear pattern of a tread strip of a pneumatic vehicle tire It is known and customary to monitor and document the current tread depth of tires in order to obtain an overview of the running performance and the abrasion behavior of the tire.
  • integrated tire indicators have established themselves in the tread pattern of the tires, whereby the tread wear is determined, for example, by means of differently deep cuts in the tread.
  • Usual indicators in the tread of a tire for example, designed as surveys on the profile base of circumferential grooves.
  • these known measures do not allow it to be able to determine a non-uniform abrasion in the initial stage of operation of a tire and thus the user a
  • the invention is therefore an object of the invention to carry out a pneumatic vehicle tire so that in the near new state of the tire and therefore as soon as possible after the first startup of a tire is recognizable whether a tire rubs unevenly and need action regarding a correction of suspension settings and / or air pressure in the tire.
  • the object is achieved according to the invention in that the profiling of the tread strip in the central region and in the lateral areas in each case in a circumferential circumferential or circumferential circumferential area or circumference of the tread of a profiling optically contrasting pattern of shallow, maximum 1.5 mm superimposed on deep incisions.
  • the incision pattern formed according to the invention only on the surface of the profile positive of the tread is therefore relatively soon, for example, after about 2000 km to 2500 km, abraded, so that any uneven abrasion can be easily recognized visually.
  • a short period of operation of the tire can already be determined whether corrections in terms of the filling pressure or in terms of
  • Chassis settings must be made.
  • the method according to the invention is characterized by an application program for a smartphone which recognizes and analyzes the relevant incision pattern on the basis of at least one photo of at least a portion of the tread of the tire made with the smartphone.
  • the method allows the vehicle user in a particularly comfortable way to identify any irregularities in the abrasion of the tread and have analyzed.
  • the minimum depth of the incisions forming the pattern is 0.3 mm.
  • a certain minimum depth on this scale is expedient in order to be able to recognize any irregular abrasion phenomena. For this reason, it is also appropriate if all cuts of the /
  • Incident pattern (s) in the tread of a tire have a matching depth.
  • the width of the cuts can be chosen in a relatively large range, it should be between 0.1mm and 3mm. It is particularly advantageous if the width These incisions either larger or smaller than the width of the profiling corresponding incisions in the tread.
  • a particularly fine and rather inconspicuous incision pattern can be achieved with incisions whose width is smaller than 0.4mm.
  • This particular pattern in the tread may now, in a preferred embodiment of the invention, cover the tread over its entire width, at least over its width in the ground contact patch. In such an embodiment, uneven wear phenomena can be detected throughout the tread area.
  • the pattern strip only in at least three circumferentially circumferential extent - one is formed in the central region of the tread and two in the shoulder-side areas of the tread. In a training in the circumferential strip can be taken on the other profiling of the tread, especially in optical terms, considered. In principle, it is also possible that in a peripheral area or
  • Circumferentially strip formed pattern to be designed such that it differs from a pattern in another peripheral region or perimeter strips. Even with such an embodiment can be taken to the other profile design consideration.
  • an embodiment of the pattern as an incision mesh, in particular of two intersecting sets of incisions, the incisions of each group preferably parallel to each other.
  • any desired embodiment of the pattern is possible, be it in the form of interconnected or unconnected geometric figures, such as triangles, any other n-corner, circles, ellipses and the like.
  • the aforementioned app for the smartphone is preferably programmed so that it displays the result after analysis and in particular any
  • the app can be advantageously carried out in such a way that on the screen of
  • the app can be programmed so that the camera images and the results of the optical analysis via data transfer, for example via the Internet or a mobile network to an external body can be transmitted.
  • the app may also allow the storage of other data such as date and time of measurement or analysis and other vehicle or tire-related data. It can also be provided to be able to transmit this data to an external body.
  • Fig. 5 is a view of a smartphone.
  • the new tire shown by way of example in FIG. 1 may be any pneumatic vehicle tire, for example a tire for passenger cars, trucks, buses, vans and the like.
  • the pneumatic vehicle tire is in particular a tire of radial design with the usual components, of which in the front view shown in FIG. 1
  • Tread 1 can be seen.
  • the tread profiling can be arbitrary, in the illustrated embodiment, the tread 1 has two straight and in
  • Circumferential circumferential grooves 2 which divide the tread 1 in a circumferentially circumferential central peripheral region 3 and two circumferentially circumferential shoulder-side peripheral regions 4.
  • Transverse grooves 5 divide the shoulder-side peripheral regions 4 in closer not designated tread blocks, the middle Peripheral region 3 is structured by arrowed diagonal grooves 6.
  • the tread profiling can be arbitrary, in particular the
  • Treads are provided in a known manner with a plurality of narrow, preferably between 0.4 mm and 0.8 mm wide, incisions that improve or ensure in particular the snow and ice grip of the tread and in the shown
  • the profile positives of the tread 1 are coated at least in the ground-contacting area of the tire with a pattern of very shallow incisions 8, 9 - incisions of a depth between 0.3 mm and 1, 5 mm, in particular at most 1 mm.
  • the incisions 8, 9 may have a width between 0.1 mm and 3 mm, preferably 2 mm, in particular their width is less than or greater than that of the "normal" above-mentioned incisions and therefore in particular less than 0.4 mm or
  • the pattern is a net pattern 7, which consists of two incision shares in each circumferential region 3, 4, wherein in each group the incisions 8, 9 run parallel to each other and the two groups
  • one set of cuts 8 runs parallel to the circumferential direction, the other set of cuts 9 runs at right angles thereto, thus in the axial direction
  • Incisions 8 are considerably larger than the usual density of the "normal" cuts provided for improving the snow and ice grip properties of the tread, in particular the mutual spacing of the cuts 8 and 9 being on average 2 mm to 3 mm other patterns from shallow
  • the pattern may be, for example, from a single group of particular parallel to each other, at any angle to the circumferential direction
  • arranged incisions may be formed, which may extend in plan view straight, in waveform or in any other form.
  • the pattern of shallow Incisions are formed by the negatives formed in the tread, such as transverse grooves,
  • Peripheral regions which are narrower than the illustrated peripheral regions 3, 4, be formed.
  • An embodiment is preferred in which at least one strip-shaped peripheral region is provided in the middle region of the tread and at least one respective strip-shaped peripheral region is provided with a pattern according to the invention in the two shoulder-side regions of the tread.
  • Fig. 2 shows, for example, the tread 1 with a one-sided stronger shoulder abrasion, the pattern is in the right in this figure
  • Fig. 3 shows the tread 1 with increased abrasion in the central peripheral region 3.
  • the pattern is completely or almost completely abraded, while it is in the two shoulder-side
  • Fig. 4 shows the tread 1 at a non-uniform abrasion in both shoulder-side peripheral regions 4. In the central peripheral region 3, the pattern is already abraded, in the shoulder-side
  • Perimeter areas 4 are distributed over the circumference irregularly areas or points where the pattern is still visible. The pattern therefore allows
  • Suspension settings of the vehicle can be made.
  • a particularly convenient and accurate determination and analysis of any irregularities in the abrasion of the barrel strip 1 can be using a mobile phone, especially a smartphone, using a special
  • Smartphones are known to have an operating system which allows the user to install programs or application software that is either downloaded via a PC or automatically or manually via an appropriate software or directly via the mobile network or the mobile Internet connection to the
  • Smartphone can be loaded and installed. These application programs (apps) are stored in an internal memory or on an inserted memory card.
  • a suitable in the context of the invention smartphone has a built-in camera higher triggering.
  • Fig. 5 shows a view of a smartphone 10, wherein the page is shown with the screen 11.
  • the smartphone 10 may be one of the common devices available on the market, allowing the installation of application programs.
  • the screen 11 may be one of the usual touchscreens.
  • the application program is programmed to detect and analyze the particular sample (s) in the tire tread so that typical, upcoming wear phenomena can be detected in good time and can also be remedied early by appropriate suspension or tire adjustment measures.
  • the application program can be started in the usual way, for example via an icon. With the start can simultaneously the
  • positioning elements 12 are, for example, two markings 14, for example in the form of lines or other signs.
  • the smartphone 10 is positioned frontally in front of the tread 1 and the tire, so that, for example, between the two marks 14, the entire run strip width and thus a peripheral region of the tread is visible on the screen.
  • the camera is now, in particular by hand, a recording created.
  • a photo of the tire with the tread can be created and then markings 14 in register with the side edges of the
  • Tread are brought, in particular by corresponding enlargement or reduction of the photo by finger movement on the touch screen 11.
  • the application program automatically creates an optical analysis of the pattern on the tread based on the stored data / data stored and can give the user an action recommendation if necessary.
  • the created recording can be stored together with the date of creation in an existing memory on the smartphone 10. It may be provided to send the recording and the result of the optical analysis by means of data transfer, for example via the Internet or via a mobile radio network, to an external data store or server. It is also possible to execute the application program in such a way that the new tire, for example via a QR code, is detected by means of the app and is registered via data transfer, for example by the tire manufacturer. Using the recordings made by the user and automatically forwarding them to the tire manufacturer, data on the type of tire in question can be collected, abrasion results
  • the application program can have further functions, in particular it can be provided, vehicle-related data, further tire data, such as the tire position of the tire on the vehicle, the designation of the tires and the like, can be entered and stored. These data can also be transmitted to an external body via data transfer.
  • the application program can also be programmed such that a comparison of the abrasion pattern of the tires, which are mounted at different positions on the vehicle, is possible and such a wrong suspension setting can be quickly detected.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne un pneumatique de véhicule comprenant une bande de roulement (1) sculptée par des rainures et/ou par des entailles et similaires. La sculpture de la bande de roulement (1) est recouverte, dans la zone centrale (3) et dans les zones latérales (4), respectivement dans une zone périphérique ou dans une bande périphérique s'étendant tout autour de la bande de roulement (2) dans la direction périphérique, par un motif se démarquant visuellement de la sculpture, constitué d'entailles (8, 9) peu profondes, d'une profondeur maximale de 1,5 mm.
PCT/EP2013/071389 2012-12-10 2013-10-14 Pneumatique de véhicule WO2014090437A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012112016.1A DE102012112016A1 (de) 2012-12-10 2012-12-10 Fahrzeugluftreifen
DE102012112016.1 2012-12-10

Publications (1)

Publication Number Publication Date
WO2014090437A1 true WO2014090437A1 (fr) 2014-06-19

Family

ID=49356428

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/071389 WO2014090437A1 (fr) 2012-12-10 2013-10-14 Pneumatique de véhicule

Country Status (2)

Country Link
DE (1) DE102012112016A1 (fr)
WO (1) WO2014090437A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484104A (zh) * 2018-11-26 2019-03-19 英华达（上海）科技有限公司 车轮磨损检测方法及系统、自动导引车系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11472231B2 (en) * 2016-02-26 2022-10-18 The Yokohama Rubber Co., Ltd. Pneumatic tire

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151959A (en) * 1996-10-10 2000-11-28 Pirelli Coordinamento Pneumatici Spa Pneumatic tire having tread wear detectors
EP1580034A1 (fr) * 2004-03-23 2005-09-28 Continental Aktiengesellschaft Pneumatique pour vehicule
WO2007028438A1 (fr) * 2005-09-08 2007-03-15 Continental Aktiengesellschaft Pneumatiques de vehicule comprenant des micro-entailles
EP1829712A1 (fr) * 2004-11-30 2007-09-05 Bridgestone Corporation Bandage pneumatique
EP1961587A1 (fr) * 2007-02-22 2008-08-27 Sumitomo Rubber Industries, Ltd. Pneu non clouté
DE102008037563A1 (de) * 2008-11-19 2010-05-20 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen
US20110017373A1 (en) * 2009-07-27 2011-01-27 Gap Jin Lee Anti-Slip Tread Pattern for Shoes
DE102010026729A1 (de) * 2010-07-09 2012-01-12 Procontour Gmbh Vorrichtung und Verfahren zum Messen von Reifenparametern eines Fahrzeugs
DE102011050705A1 (de) * 2011-05-30 2012-12-06 Continental Reifen Deutschland Gmbh Laufstreifenprofil eines Fahrzeugluftreifens
WO2013156212A1 (fr) * 2012-04-19 2013-10-24 Continental Reifen Deutschland Gmbh Procédé destiné à déterminer la profondeur de sculpture d'un pneu de véhicule et utilisation d'un téléphone mobile pour déterminer la profondeur de sculpture d'un pneu de véhicule

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151959A (en) * 1996-10-10 2000-11-28 Pirelli Coordinamento Pneumatici Spa Pneumatic tire having tread wear detectors
EP1580034A1 (fr) * 2004-03-23 2005-09-28 Continental Aktiengesellschaft Pneumatique pour vehicule
EP1829712A1 (fr) * 2004-11-30 2007-09-05 Bridgestone Corporation Bandage pneumatique
WO2007028438A1 (fr) * 2005-09-08 2007-03-15 Continental Aktiengesellschaft Pneumatiques de vehicule comprenant des micro-entailles
EP1961587A1 (fr) * 2007-02-22 2008-08-27 Sumitomo Rubber Industries, Ltd. Pneu non clouté
DE102008037563A1 (de) * 2008-11-19 2010-05-20 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen
US20110017373A1 (en) * 2009-07-27 2011-01-27 Gap Jin Lee Anti-Slip Tread Pattern for Shoes
DE102010026729A1 (de) * 2010-07-09 2012-01-12 Procontour Gmbh Vorrichtung und Verfahren zum Messen von Reifenparametern eines Fahrzeugs
DE102011050705A1 (de) * 2011-05-30 2012-12-06 Continental Reifen Deutschland Gmbh Laufstreifenprofil eines Fahrzeugluftreifens
WO2013156212A1 (fr) * 2012-04-19 2013-10-24 Continental Reifen Deutschland Gmbh Procédé destiné à déterminer la profondeur de sculpture d'un pneu de véhicule et utilisation d'un téléphone mobile pour déterminer la profondeur de sculpture d'un pneu de véhicule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484104A (zh) * 2018-11-26 2019-03-19 英华达（上海）科技有限公司 车轮磨损检测方法及系统、自动导引车系统

Also Published As

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