WO2016082946A1 - Pneumatique de véhicule - Google Patents

Pneumatique de véhicule Download PDF

Info

Publication number
WO2016082946A1
WO2016082946A1 PCT/EP2015/068325 EP2015068325W WO2016082946A1 WO 2016082946 A1 WO2016082946 A1 WO 2016082946A1 EP 2015068325 W EP2015068325 W EP 2015068325W WO 2016082946 A1 WO2016082946 A1 WO 2016082946A1
Authority
WO
WIPO (PCT)
Prior art keywords
groove
pneumatic vehicle
vehicle tire
measured
axial
Prior art date
Application number
PCT/EP2015/068325
Other languages
German (de)
English (en)
Inventor
Stefan Rittweger
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
Priority to EP15745514.8A priority Critical patent/EP3224061A1/fr
Publication of WO2016082946A1 publication Critical patent/WO2016082946A1/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
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1353—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom
    • 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
    • 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
    • B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
    • B60C11/042—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section
    • 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
    • B60C2011/0337—Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339—Grooves
    • B60C2011/0341—Circumferential grooves
    • B60C2011/0355—Circumferential grooves characterised by depth

Definitions

  • the invention relates to a pneumatic vehicle tire having a profiled tread with profile bands spaced apart by circumferential grooves, such as tread block rows or tread ribs, which extend over the entire periphery of the pneumatic vehicle tire and are bounded radially outward by a radially outer surface forming the ground contacting surface. wherein the circumferential grooves in the radial direction R inwardly from a circumferentially U extending over the circumference of the tire and aligned groove bottom and in the axial direction A on either side of the groove bottom is limited in each case by a groove wall extending in the radial direction R from the groove bottom to extends to the radially outer surface.
  • Such pneumatic vehicle tires are known.
  • the groove bottom along its extension over the entire circumference of the pneumatic vehicle tire over its entire axial extent from groove wall to groove wall is formed with the largest possible distance to the radially outer surface.
  • the training causes a reduction in
  • the formation of the pneumatic vehicle tire with circumferential grooves with a smaller groove depth over the entire circumference of the pneumatic vehicle tire allows a reduction in the joint effect and thus promotes good dry properties such as dry handling.
  • the aquaplaning properties are negatively influenced. These can be slightly improved, for example by the
  • the object is fiction, in accordance with the formation of a pneumatic vehicle tire with a profiled tread with by circumferential grooves of spaced profile bands - such as profile block rows or tread ribs - which extend over the entire circumference of the vehicle pneumatic tire and in the radial direction R outwardly from the soil contact surface forming radially outer surface are limited, wherein the circumferential grooves in the radial direction R inwardly from a circumferentially extending beyond the circumference of the tire and aligned in the circumferential direction U groove bottom and in the axial direction A on either side of the groove bottom is bounded in each case by a groove wall extending in the radial direction R starting from the groove bottom to the radially outer surface, solved according to the features of claim 1, wherein the groove bottom over the entire circumference of the pneumatic vehicle tire away from at least a first axial extension portion and at least one in the axial direction A adjacent to the first extension portion, the second axial
  • Extending portion is formed, wherein the groove bottom along its axial
  • Extending portion with a measured in the radial direction R distance T 2 of the radially outer surface with T 2 ⁇ Ti is formed, wherein the transition of the groove bottom from the first to the second extension portion is jumped - in particular stepped - is formed.
  • the formation allows the groove to be formed in its first extension section with a large groove depth for receiving and discharging water over the entire circumference of the vehicle pneumatic tire and thereby formed by the formation of the second, with a smaller groove depth extension portion with sufficiently increased rigidity to reduce the joint effect can be.
  • the dry properties - especially dry handling - are positively influenced. Increased notch effect in the transition to the inner walls can be avoided.
  • the division of the groove bottom also allows better moldability, since the rubber material can move gradually during molding.
  • B is the width of the circumferential groove measured in the radially outer surface.
  • Cut line between the nearest groove wall and radially outer surface with c ⁇ (B / 2) is formed.
  • the groove wall is that groove wall which limits the groove in the axial direction A to the trained for use on the vehicle as outer shoulder OU tire shoulder out.
  • Fig.l the barrel strip profile of a pneumatic vehicle tire for cars in a tire axis containing cross-sectional plane
  • FIG. 3 is a cross-sectional view of a circumferential groove of the tread pattern of Figure 2 in accordance with section III-III of Figure 2,
  • FIG. 4 shows a circumferential groove of Figure 2 in cross-sectional view according to section IV-IV of Figure 2,
  • FIG. 6 shows a cross-sectional view of the groove of Figure 3 in a further alternative embodiment
  • Figure 7 shows a cross-sectional view of the groove of Figure 3 in a further alternative embodiment
  • FIG. 8 shows a cross-sectional view of the groove of Figure 3 in a further alternative embodiment.
  • Figures 1 and 2 show the tread profile of a pneumatic vehicle tire for
  • Passenger in which arranged in the axial direction A of the pneumatic vehicle tire side by side radially raised profile bands 1, 2, 3, 4, 5, which each extend over the entire circumference of the pneumatic vehicle tire, are arranged side by side.
  • the profiled strip 1 is the shoulder profile strip formed in FIGS. 1 and 2 pointing to the left side, the profile strip 5 being the shoulder profile strip formed in FIGS. 1 and 2 pointing to the right side.
  • the profiled strips 1 and 2 are extended by a over the entire circumference of the pneumatic vehicle tire and in
  • Profile strips 3 and 4 are spaced apart in the axial direction A by a circumferential groove 8 which extends over the entire circumference of the vehicle pneumatic tire and is aligned in the circumferential direction U.
  • the circumferential bands 4 and 5 are spaced apart in the axial direction A of the pneumatic vehicle tire by a circumferential groove 9 which extends over the entire circumference of the pneumatic vehicle tire and is aligned in the circumferential direction U.
  • the profiled strips 1, 2, 3, 4 and 5 are in the radial direction R of
  • Vehicle pneumatic tire forming, radially outer surface 10 limited.
  • the circumferential grooves 6, 7, 8 and 9 are bounded inwards in the radial direction R in each case by a groove bottom 13 which extends over the entire circumference of the vehicle pneumatic tire and is aligned in the circumferential direction U. As shown in FIGS. 3 and 4 using the example of the circumferential groove 7, FIG.
  • the circumferential groove 7 is formed with a groove width B measured in the axial direction A of the vehicle pneumatic tire.
  • the groove width B forms the axial distance between the section formed from the radially outer surface 10 of the profile strip 3 and groove wall 11 and the cut line formed from the radially outer surface 10 of the profile strip 2 and groove wall 12.
  • the groove bottom 13 is seen along its entire extent in the circumferential direction U, each of a first axial extension portion 15 with in axial
  • Extending direction measured extension width a and from a second axial extension portion 14 measured in the axial direction of extent
  • Extension width b formed.
  • the first extension section 15 forms the
  • the groove base 13 in the sectional planes having the tire axis forms in each case a straight-line sectional contour at the radial distance T 2 from the radially outer surface 10 with T 2 ⁇ Ti.
  • the groove base 13 is along its axial extent, starting from the first extension portion 15 in the position of the transition 16 to the second
  • Extending portion 14 abruptly raised in the form of a step by the measured in the radial direction R measure (Ti - T 2 ).
  • the dimension a of the width of the first extension section 15 is with
  • the depth Ti is formed, for example, with the full tread depth ⁇ of the tread pattern.
  • the width b of the second extending portion 14 is formed with b ⁇ (B / 4).
  • the axial distance c from the groove wall 11 closest to the transition in its radial position of the radially outer surface 10 to the axial position of the stepped transition 16 is formed with c ⁇ (B / 2).
  • Shoulder profile band 1 is the one for use on the vehicle tire than for
  • the second extension section 14 of the groove bottom 13 of the circumferential groove 7 is the extension section of the groove bottom 13 which adjoins the groove wall 11 facing the vehicle outer side OU.
  • the first extension portion 15 is the extending to the inside of the vehicle IN groove wall 12 of the circumferential groove 7 extending portion of the groove bottom 13.
  • the profiled strips 1, 2, 3, 4 and 5 are in a known manner as peripheral ribs or as a profile block rows separated by transverse or Schrägrillen and arranged one behind the other over the circumference of the pneumatic vehicle tire
  • Profile block elements of known type formed Analogous to the groove bottom 13 of the groove 7 is - in an embodiment shown in Figures 1 and 2 - also the groove bottom 13 of the circumferential grooves 6, 8 and 9 respectively formed with the first extension portion 15 and a radially opposite this second extension portion 14. 5 shows an alternative embodiment of the circumferential groove 7 shown in Figure 3, in which, however, the transition 17 between the groove wall 12 and radially outer
  • Surface 10 of the adjacent profile band 2 is formed rounded with a in the tire axis having cross-sectional planes.
  • 6 shows a further alternative embodiment, in which in the tire axis having cutting planes, the groove wall 12 along its extension in the radial direction R from the inside outwards including an inclination angle ß to the radial R in the axial direction A from the circumferential groove 7 to the inside IN inclined towards is formed running.
  • the groove wall 11 is along its extension in the radial direction R from the inside to the outside, including a
  • FIG. 7 shows an alternative embodiment of that shown in FIG.
  • FIG. 8 shows an alternative embodiment of that shown in FIG.
  • Extension portions 14 is a first extension portion 13 of
  • Extending portion 15 and the respective second extension portion 14 are each stepwise stepped - as shown and described in connection with Figure 3 - formed.

Landscapes

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

Abstract

L'invention concerne un pneumatique de véhicule comportant une bande de roulement profilée présentant des bandes profilées (2, 3) séparées les unes des autres par des rainures circonférentielles (7). Le fond de rainure (13) est formé sur la totalité de la circonférence du pneumatique de véhicule par au moins une première section axiale (15) et au moins une deuxième section axiale (14) adjacente à la première section (15) dans la direction axiale A, le fond de rainure (13) étant formé le long de son étendue axiale dans la première section axiale (15) par une distance T1 mesurée dans une direction radiale R par rapport à la surface radialement extérieure (10), et dans la deuxième section axiale (14) par une distance T2 mesurée dans la direction radiale R par rapport à la surface radialement extérieure (10), avec T2<T1, et le passage (16) du fond de rainure (13) de la première (15) à la deuxième (14) section étant réalisé brutalement, en particulier sous la forme d'un gradin.
PCT/EP2015/068325 2014-11-25 2015-08-10 Pneumatique de véhicule WO2016082946A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15745514.8A EP3224061A1 (fr) 2014-11-25 2015-08-10 Pneumatique de véhicule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014224036.0 2014-11-25
DE102014224036.0A DE102014224036A1 (de) 2014-11-25 2014-11-25 Fahrzeugluftreifen

Publications (1)

Publication Number Publication Date
WO2016082946A1 true WO2016082946A1 (fr) 2016-06-02

Family

ID=53776633

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/068325 WO2016082946A1 (fr) 2014-11-25 2015-08-10 Pneumatique de véhicule

Country Status (3)

Country Link
EP (1) EP3224061A1 (fr)
DE (1) DE102014224036A1 (fr)
WO (1) WO2016082946A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01215603A (ja) * 1988-02-23 1989-08-29 Toyo Tire & Rubber Co Ltd 空気入りタイヤのトレッドパターン
EP2119574A1 (fr) * 2008-05-16 2009-11-18 Continental Aktiengesellschaft Profil de surface de roulement d'un pneu de véhicule
JP2011213202A (ja) * 2010-03-31 2011-10-27 Bridgestone Corp 空気入りタイヤ
DE102011050712A1 (de) * 2011-05-30 2012-12-06 Continental Reifen Deutschland Gmbh Laufstreifenprofil eines Fahrzeugluftreifens für Nutzfahrzeuge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01215603A (ja) * 1988-02-23 1989-08-29 Toyo Tire & Rubber Co Ltd 空気入りタイヤのトレッドパターン
EP2119574A1 (fr) * 2008-05-16 2009-11-18 Continental Aktiengesellschaft Profil de surface de roulement d'un pneu de véhicule
JP2011213202A (ja) * 2010-03-31 2011-10-27 Bridgestone Corp 空気入りタイヤ
DE102011050712A1 (de) * 2011-05-30 2012-12-06 Continental Reifen Deutschland Gmbh Laufstreifenprofil eines Fahrzeugluftreifens für Nutzfahrzeuge

Also Published As

Publication number Publication date
DE102014224036A1 (de) 2016-05-25
EP3224061A1 (fr) 2017-10-04

Similar Documents

Publication Publication Date Title
EP3019346B1 (fr) Profil de bande de roulement d&#39;un pneu de véhicule
EP3224059B1 (fr) Pneumatique de véhicule
EP3334612A1 (fr) Pneumatique de véhicule
EP2892735B1 (fr) Pneumatique de véhicule
EP2340949B1 (fr) Pneu
EP2457745B1 (fr) Pneus de véhicule
EP2489526B1 (fr) Profil de bande de roulement d&#39;un bandage pneumatique de véhicule
EP3313673B1 (fr) Pneumatique de véhicule
EP2794298B1 (fr) Band de roulement d´un pneu
WO2016082946A1 (fr) Pneumatique de véhicule
DE102011050705A1 (de) Laufstreifenprofil eines Fahrzeugluftreifens
EP3538382B1 (fr) Pneumatique
EP3224062B1 (fr) Pneumatique de véhicule
EP2554405B1 (fr) Profil de bande de roulement d´un pneu de véhicule
EP2388154A1 (fr) Profil de bande de roulement d&#39;un bandage pneumatique de véhicule
EP3890994B1 (fr) Profil de bande de roulement d&#39;un pneu de véhicule
DE102012110360A1 (de) Fahrzeugluftreifen
EP2412548B1 (fr) Pneu de véhicule
DE102009044185A1 (de) Laufstreifenprofil eines Fahrzeugluftreifens
EP2897815B1 (fr) Pneumatiques de véhicule
EP2735452B1 (fr) Pneus de véhicule
WO2020083546A1 (fr) Pneumatique de véhicule
WO2012079804A1 (fr) Bandage pneumatique pour véhicule
EP2332747A1 (fr) Profil de bande de roulement d&#39;un bandage pneumatique de véhicule

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15745514

Country of ref document: EP

Kind code of ref document: A1

REEP Request for entry into the european phase

Ref document number: 2015745514

Country of ref document: EP