JPH06286425A - Tire discrimination method - Google Patents

Tire discrimination method

Info

Publication number
JPH06286425A
JPH06286425A JP7218593A JP7218593A JPH06286425A JP H06286425 A JPH06286425 A JP H06286425A JP 7218593 A JP7218593 A JP 7218593A JP 7218593 A JP7218593 A JP 7218593A JP H06286425 A JPH06286425 A JP H06286425A
Authority
JP
Japan
Prior art keywords
tire
discrimination
inclination
identification
mark
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.)
Granted
Application number
JP7218593A
Other languages
Japanese (ja)
Other versions
JP3338110B2 (en
Inventor
Yoshio Aihara
義雄 合原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber Co Ltd
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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP7218593A priority Critical patent/JP3338110B2/en
Publication of JPH06286425A publication Critical patent/JPH06286425A/en
Application granted granted Critical
Publication of JP3338110B2 publication Critical patent/JP3338110B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C13/00Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
    • B60C13/001Decorating, marking or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Image Analysis (AREA)
  • Tires In General (AREA)
  • Tyre Moulding (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)

Abstract

PURPOSE:To provide a tire discrimination method which is inexpensive and by which discrimination can be achieved with high precision even in a case where a discrimination sign is inclined or in a case where the reflection of ultraviolet rays is strong. CONSTITUTION:A discrimination sign K equipped with inclination discriminating marks M at its front and rear is printed by means of a transparent fluorescent paint, on a tire constituent member for molding a green tire T, and at a postprocess, the discrimination sign K and the inclination discriminating marks M being irradiated by means of an ultraviolet ray lamp 5 comprising an added ultraviolet ray range band pass filter lens are read by means of a TV camera 6 for only a visible light range through an ultraviolet ray cut filter. In addition, if the discrimination sign K is incined, due to image processing, the inclination of the discrimination sign K is corrected by taking advantage of the inclination discrimination marks M, and the discrimination sign K is discriminated.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はタイヤの識別方法に係わ
り、更に詳しくは、高い精度でタイヤを識別することを
可能にしたタイヤの識別方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire identifying method, and more particularly, to a tire identifying method capable of identifying a tire with high accuracy.

【0002】[0002]

【従来の技術】近年、タイヤサイズの多様化に伴い、タ
イヤサイズや製造者名、製造日等のタイヤ情報を高精度
に識別することが必要不可欠となってきている。このタ
イヤ情報は、成形前のグリーンタイヤ構成部材に付与さ
れ、グリーンタイヤ構成部材を成形工程に送る際の選別
仕分けや成形されたグリーンタイヤを加硫機に搬送する
際の選別仕分け等に用いられている。
2. Description of the Related Art In recent years, with the diversification of tire sizes, it has become indispensable to identify tire information such as tire size, manufacturer name, and manufacturing date with high accuracy. This tire information is given to the green tire constituent member before molding, and is used for sorting classification when sending the green tire constituent member to the molding process and sorting classification when conveying the molded green tire to the vulcanizer. ing.

【0003】ところで、従来、上述した選別仕分け等に
用いられるタイヤを識別する方法としては、例えば、特
開平4-148921号公報に開示されるように、キャップトレ
ッド等のグリーンタイヤ構成部材に蛍光塗料でタイヤの
仕上げ記号を印刷し、タイヤの成形下流工程において、
該仕上げ記号に紫外線を照射することにより仕上げ記号
を読み取り、画像処理してタイヤを識別することが提案
されている。
By the way, as a conventional method for identifying a tire used for the above-mentioned sorting and sorting, for example, as disclosed in Japanese Patent Laid-Open No. 4-148921, a fluorescent paint is applied to a green tire constituent member such as a cap tread. Print the finishing symbol of the tire with, and in the tire molding downstream process,
It has been proposed that the finishing code is read by irradiating the finishing code with ultraviolet rays and image processing is performed to identify the tire.

【0004】[0004]

【発明が解決しようとする課題】しかしながら上述した
タイヤの識別方法にあっては、タイヤ変形やトレッド変
形により仕上げ記号が斜めになった場合、識別エラーや
読み取り不能が発生すると言う問題があった。また、一
般的なカメラを用いて紫外線照射下の映像を入力する
と、紫外線の照り返しの一部を感知し、映像化してしま
い、識別エラーや読み取り不能が発生すると言う問題が
あった。
However, the above-described tire identification method has a problem that an identification error or unreadableness occurs when the finish symbol becomes slant due to tire deformation or tread deformation. Further, when an image under the irradiation of ultraviolet rays is input using a general camera, a part of the reflected light of the ultraviolet rays is sensed and converted into an image, and there is a problem that an identification error or an unreadable state occurs.

【0005】また、特定可視光域のみを映像化するカメ
ラを用いると高価であると言う問題があった。本発明は
かかる従来の課題に着目して案出されたもので、識別記
号が傾斜している場合、或いは紫外線の照り返しが強い
場合であっても、高い精度で識別することが可能で、か
つ安価なタイヤの識別方法を提供することを目的とする
ものである。
Further, there is a problem that it is expensive to use a camera for visualizing only a specific visible light region. The present invention has been devised in view of such conventional problems, when the identification symbol is inclined, or even when the reflection of ultraviolet rays is strong, it is possible to identify with high accuracy, and An object is to provide an inexpensive tire identification method.

【0006】[0006]

【発明を解決するための手段】本発明は上記目的を達成
するため、グリーンタイヤを成形するタイヤ構成部材
に、透明な蛍光塗料により、前後に傾斜判別用マークを
備えた識別記号を印刷し、後工程において、紫外線域バ
ンドパスフィルターレンズを付加した紫外線ランプによ
り照射された前記識別記号及び傾斜判別用マークを紫外
線カットフィルターを通して可視光域のみテレビカメラ
で読み取り、画像処理により前記識別記号が傾斜してい
る際には、前記傾斜判別用マークを利用して識別記号の
傾斜を補正し該識別記号を判別することを要旨とするも
のである。
In order to achieve the above object, the present invention prints on a tire constituent member for molding a green tire an identification mark provided with a mark for inclination determination on the front and back by a transparent fluorescent paint, In the subsequent step, the identification mark and the inclination determination mark irradiated by the ultraviolet lamp with the ultraviolet band pass filter lens added are read by the television camera only in the visible light region through the ultraviolet cut filter, and the identification symbol is inclined by the image processing. In this case, the gist is to correct the inclination of the identification symbol using the inclination discrimination mark and discriminate the identification symbol.

【0007】[0007]

【作用】本発明は上記のように構成され、グリーンタイ
ヤの情報を有する識別記号の前後に傾斜判別用マークを
印刷し、識別記号が傾斜した際には、傾斜判別用マーク
により識別記号の傾斜を補正するため、タイヤ構成部材
の変形により識別記号が斜めになった場合であっても、
識別エラーや読み取り不能が発生することなく、かつ紫
外線域バンドパスフィルターレンズを付加した紫外線ラ
ンプにより識別記号及び傾斜判別用マークを照射して、
紫外線カットフィルターを付加したテレビカメラで映像
入力することにより、S/N比の高い情報を得ることが
可能になり、識別を高精度で行うことが可能となる。ま
た、透明な蛍光塗料を使用しているため、タイヤが完成
した後であってもタイヤの美観を損なうことがない。
The present invention is constructed as described above, and the inclination discrimination mark is printed before and after the identification symbol having the information of the green tire, and when the identification symbol is inclined, the inclination discrimination mark is inclined by the inclination discrimination mark. In order to correct, even if the identification symbol becomes slanted due to the deformation of the tire component,
Irradiation of the identification mark and the inclination discrimination mark by the ultraviolet lamp with the addition of the ultraviolet band pass filter lens without the occurrence of identification error or unreadableness,
By inputting an image with a television camera to which an ultraviolet cut filter is added, it is possible to obtain information with a high S / N ratio, and it is possible to perform identification with high accuracy. Further, since the transparent fluorescent paint is used, the aesthetic appearance of the tire is not impaired even after the tire is completed.

【0008】[0008]

【実施例】以下、添付図面に基づいて本発明の実施例を
説明する。図1は本発明のタイヤの識別方法における識
別記号を印刷する工程を示し、Sはキャップトレッド等
のタイヤ構成部材、1はコンベヤベルト、2はインク帯
電式インクジェットプリンター等の印刷装置、2aは印
刷装置2のインクジェットヘッドである。
Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a step of printing an identification symbol in the tire identification method of the present invention, S is a tire constituent member such as a cap tread, 1 is a conveyor belt, 2 is a printing device such as an ink charging type ink jet printer, and 2a is printing. The inkjet head of the device 2.

【0009】本発明のタイヤの識別方法は、先ず図示せ
ぬ押出機から押し出されてコンベヤベルト1上を搬送さ
れてきたタイヤ構成部材Sの表面に、印刷装置2のイン
クジェットヘッド2aから蛍光塗料を噴射して、非接触
で識別記号Kと傾斜判別用マークMとを印刷する。前記
蛍光塗料は、可視光下において透明で、紫外線の照射に
より可視光を発光する液状のインクであり、例えば、ク
マリン誘導体、スチルベン誘導体の蛍光色素にバインダ
ーとしてフタル酸エステル、アクリル変成エポキシ樹脂
を使用し、MEK等の溶媒からなるインク等を用いるこ
とが出来る。好ましくは、ゴムへの付着性を良好にする
上で、スルフェンアミド系の加硫促進剤を添加したもの
がよい。
In the tire identifying method of the present invention, fluorescent paint is first applied from the ink jet head 2a of the printing apparatus 2 to the surface of the tire constituent member S that has been extruded from an extruder (not shown) and conveyed on the conveyor belt 1. The ink is ejected to print the identification symbol K and the inclination discrimination mark M in a non-contact manner. The fluorescent paint is a liquid ink that is transparent under visible light and emits visible light when irradiated with ultraviolet rays.For example, phthalate ester or acrylic modified epoxy resin is used as a binder for fluorescent dyes of coumarin derivatives and stilbene derivatives. However, ink or the like made of a solvent such as MEK can be used. Preferably, a sulfenamide-based vulcanization accelerator is added to improve the adhesion to rubber.

【0010】前記識別記号Kは、タイヤサイズや製造
日、製造者等のタイヤ構成部材S及びこのタイヤ構成部
材Sで成形されるグリーンタイヤに要する情報を有し、
数字やアルファベット等から構成されている。傾斜判別
用マークMは、識別記号Kの前後の始端と終端に印刷さ
れ、丸や三角や四角等の形状をしたマークが用いられ
る。好ましくは、識別記号Kとは形状が明らかに異なる
と共にシンプルのものがよいが、数字やアルファベット
を傾斜判別用マークとして用いてもよく、特に限定され
ない。
The identification symbol K has the tire size, the date of manufacture, the tire constituent member S such as the manufacturer and the information required for the green tire molded by the tire constituent member S,
It is composed of numbers and alphabets. The inclination discrimination mark M is printed at the front and rear ends and the front and rear ends of the identification symbol K, and is a mark in the shape of a circle, triangle, square, or the like. It is preferable that the shape is distinctly different from the identification symbol K and that the identification symbol K is simple, but numbers or alphabets may be used as the inclination discrimination marks, and there is no particular limitation.

【0011】このようにタイヤ構成部材Sに付与された
識別記号Kは、図2、図3に示すように、後工程におい
て、読み取り判別が行われる。図2は、識別記号Kが付
与されたタイヤ構成部材Sにより成形されたグリーンタ
イヤTの仕分けの際に、識別記号Kを読み取る工程を示
し、コンベヤベルト3上を搬送されてきたグリーンタイ
ヤTは、暗室4内に導かれ、紫外線域バンドパスフィル
ターレンズを備えた紫外線ランプ5により紫外線が照射
される。
As shown in FIGS. 2 and 3, the identification symbol K given to the tire constituent member S is read and discriminated in a post process. FIG. 2 shows a step of reading the identification code K when sorting the green tires T formed by the tire constituent members S provided with the identification code K. The green tire T conveyed on the conveyor belt 3 is Then, it is guided into the dark room 4 and is irradiated with ultraviolet rays by an ultraviolet lamp 5 equipped with an ultraviolet bandpass filter lens.

【0012】紫外線が照射された識別記号K及び傾斜判
別用マークMは、可視光を発光し、その他の部分は紫外
線のみを反射する。この紫外線が照射された識別記号K
及び傾斜判別用マークMを紫外線カットフィルター付き
レンズを備えたテレビカメラ6で可視光のみ読み取る。
このように、紫外線域バンドパスフィルターレンズを通
して紫外線ランプを識別記号K及び傾斜判別用マークM
に照射し、これを紫外線カットフィルターを通して映像
入力するため、S/N比の高い情報を得ることが可能に
なる。
The identification mark K and the inclination discrimination mark M irradiated with ultraviolet rays emit visible light, and the other portions reflect only ultraviolet rays. Identification code K irradiated with this ultraviolet ray
And the inclination discrimination mark M is read only by visible light with the television camera 6 equipped with a lens having an ultraviolet cut filter.
Thus, the ultraviolet lamp is passed through the ultraviolet band pass filter lens to identify the ultraviolet lamp with the identification symbol K and the inclination discrimination mark M.
It is possible to obtain information with a high S / N ratio by irradiating the image on the screen and inputting an image through the ultraviolet cut filter.

【0013】テレビカメラ6で読み取られた識別記号K
及び傾斜判別用マークMは、画像処理装置7で識別記号
Kが傾斜している際には、傾斜判別用マークMを利用し
て識別記号Kの傾斜を一括して回転角度補正した後、識
別記号Kを判別し、グリーンタイヤTの識別を行う。識
別記号Kが傾斜している際には、識別記号Kの前後に印
刷した傾斜判別用マークMにより識別記号Kの傾斜を補
正するため、タイヤ構成部材Sの変形により識別記号K
が斜めになった場合であっても、グリーンタイヤTに付
与されたタイヤ識別情報の読み取りエラーや不能が発生
することなく、確実で高精度で識別することが出来る。
また、傾斜判別用マークMを利用して識別記号Kの傾斜
を一括補正するため、角度回転補正を行うタイヤの識別
をより迅速に行うことが可能である。また、透明な蛍光
塗料を使用しているため、タイヤが完成した後であって
もタイヤの美観を損なうことがない。
Identification code K read by the TV camera 6
When the identification mark K is tilted in the image processing device 7, the tilt discrimination mark M is identified by using the tilt discrimination mark M to collectively correct the inclination of the identification mark K and the rotation angle. The symbol K is determined to identify the green tire T. When the identification symbol K is inclined, the inclination of the identification symbol K is corrected by the inclination discrimination marks M printed before and after the identification symbol K.
Even if the angle is slanted, the tire identification information provided to the green tire T can be surely and accurately identified without causing an error or inability to read the tire identification information.
Further, since the inclination of the identification symbol K is collectively corrected using the inclination determination mark M, it is possible to more quickly identify the tire for which the angle rotation correction is performed. Further, since the transparent fluorescent paint is used, the aesthetic appearance of the tire is not impaired even after the tire is completed.

【0014】前記グリーンタイヤTの識別記号Kが予め
備え付けられたテレビカメラ6側に向けた状態で暗室4
内に導かれる場合は、コンベヤベルト3上を搬送しなが
ら識別記号Kを読み取るようにするとよい。グリーンタ
イヤTの識別記号Kが予め備え付けられたテレビカメラ
6側に向いていない状態で暗室4内に導かれた場合は、
グリーンタイヤTの搬送を停止すると共にタイヤ周方向
に1回転させながら識別記号Kを読み取るようにすると
よい。
With the identification symbol K of the green tire T facing the television camera 6 side, which is provided in advance, the dark room 4
In the case of being guided inside, it is advisable to read the identification symbol K while conveying it on the conveyor belt 3. When the identification symbol K of the green tire T is guided into the dark room 4 in a state where it is not facing the side of the television camera 6 which is provided in advance,
It is preferable to stop the transportation of the green tire T and read the identification symbol K while rotating the tire in the circumferential direction of the tire.

【0015】図3は、識別記号Kが付与されたタイヤ構
成部材Sの、グリーンタイヤ成形前の選別仕分けの際
に、識別記号Kを読み取る工程を示す。コンベヤベルト
8上を搬送されてきたタイヤ構成部材Sの識別記号K及
び傾斜判別用マークMを、上述同様に処理して、高い精
度で識別を行うものである。
FIG. 3 shows a step of reading the identification code K at the time of sorting and sorting the tire constituent member S provided with the identification code K before green tire molding. The identification symbol K and the inclination determination mark M of the tire constituent member S conveyed on the conveyor belt 8 are processed in the same manner as described above to perform identification with high accuracy.

【0016】[0016]

【発明の効果】上述したように本発明は、グリーンタイ
ヤの情報を有する識別記号の前後に傾斜判別用マークを
印刷し、識別記号が傾斜している際には、この傾斜判別
用マークにより識別記号の傾斜を補正するため、タイヤ
構成部材の変形により識別記号が斜めになった場合であ
っても、識別エラーや読み取り不能が発生することな
く、また、紫外線域バンドパスフィルターレンズを付加
した紫外線ランプにより識別記号及び傾斜判別用マーク
を照射して、紫外線カットフィルターを付加したテレビ
カメラで映像入力することにより、S/N比の高い情報
を得ることが可能になり、確実に高い精度で識別を行う
ことが出来る。また、透明な蛍光塗料を使用しているた
め、加硫後のタイヤにおいてタイヤの美観が損なわれる
のを防止することが出来る。また、特定可視光域のみを
映像化する特別のカメラを用いる必要がないため、安価
にすることが出来る。
As described above, according to the present invention, the inclination discrimination mark is printed before and after the identification symbol having the information of the green tire, and when the identification symbol is inclined, the inclination discrimination mark is used for identification. In order to correct the inclination of the symbol, even if the identification symbol becomes slant due to the deformation of the tire constituent member, there is no identification error or unreadable, and the ultraviolet light with the ultraviolet band pass filter lens is added. By irradiating the identification symbol and the inclination discrimination mark with the lamp and inputting the image with the TV camera with the UV cut filter, it is possible to obtain the information with a high S / N ratio, and to identify with high accuracy. Can be done. Further, since the transparent fluorescent paint is used, it is possible to prevent deterioration of the aesthetic appearance of the tire after vulcanization. Moreover, since it is not necessary to use a special camera for visualizing only a specific visible light region, the cost can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の識別記号の印刷工程を示す説明斜視図
である。
FIG. 1 is an explanatory perspective view showing a printing process of an identification mark according to the present invention.

【図2】本発明のグリーンタイヤにおける識別記号の読
み取り工程を示す斜視説明図である。
FIG. 2 is a perspective explanatory view showing a step of reading an identification symbol in the green tire of the present invention.

【図3】本発明のタイヤ構成部材における識別記号の読
み取り工程を示す斜視説明図である。
FIG. 3 is a perspective explanatory view showing a step of reading an identification symbol in the tire constituent member of the present invention.

【符号の説明】[Explanation of symbols]

2 印刷装置 4 暗室 5 紫外線ランプ 6 テレビカメ
ラ 7 画像処理装置 K 識別記号 M 傾斜判別用マーク S タイヤ構成
部材 T グリーンタイヤ
2 Printing device 4 Dark room 5 Ultraviolet lamp 6 Television camera 7 Image processing device K Identification code M Tilt identification mark S Tire component T Green tire

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 グリーンタイヤを成形するタイヤ構成部
材に、透明な蛍光塗料により、前後に傾斜判別用マーク
を備えた識別記号を印刷し、後工程において、紫外線域
バンドパスフィルターレンズを付加した紫外線ランプに
より照射された前記識別記号及び傾斜判別用マークを紫
外線カットフィルターを通して可視光域のみテレビカメ
ラで読み取り、画像処理により前記識別記号が傾斜して
いる際には、前記傾斜判別用マークを利用して識別記号
の傾斜を補正し該識別記号を判別するタイヤの識別方
法。
1. An ultraviolet ray obtained by printing an identification mark having inclination discrimination marks on the front and back with a transparent fluorescent paint on a tire constituent member for molding a green tire, and adding a UV bandpass filter lens in a subsequent step. The identification mark and the inclination discrimination mark illuminated by the lamp are read by a television camera only in the visible light region through an ultraviolet cut filter, and when the identification symbol is inclined by image processing, the inclination discrimination mark is used. A method for identifying a tire in which the inclination of the identification symbol is corrected to determine the identification symbol.
JP7218593A 1993-03-30 1993-03-30 Tire identification method Expired - Fee Related JP3338110B2 (en)

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JP7218593A JP3338110B2 (en) 1993-03-30 1993-03-30 Tire identification method

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JP7218593A JP3338110B2 (en) 1993-03-30 1993-03-30 Tire identification method

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JPH06286425A true JPH06286425A (en) 1994-10-11
JP3338110B2 JP3338110B2 (en) 2002-10-28

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002287813A (en) * 2001-03-26 2002-10-04 Sumitomo Forestry Co Ltd Material machining management system
WO2003099948A1 (en) * 2002-05-29 2003-12-04 Bridgestone Corporation Water-based coating material for rubber product
JP2011148395A (en) * 2010-01-21 2011-08-04 Honda Motor Co Ltd Method of assembling tire assembly and assembly line
JP2014050974A (en) * 2012-09-05 2014-03-20 Sumitomo Rubber Ind Ltd Crimping method and crimping device of joint part of tire forming material, and tire
CN113195203A (en) * 2018-12-20 2021-07-30 倍耐力轮胎股份公司 Process and apparatus for marking a panel containing information to be imprinted on a tyre, and panel obtained by said process and apparatus
DE102022111930A1 (en) 2022-05-12 2023-11-16 Audi Aktiengesellschaft Vehicle tires with a vehicle tire marking

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002287813A (en) * 2001-03-26 2002-10-04 Sumitomo Forestry Co Ltd Material machining management system
WO2003099948A1 (en) * 2002-05-29 2003-12-04 Bridgestone Corporation Water-based coating material for rubber product
JPWO2003099948A1 (en) * 2002-05-29 2005-09-22 株式会社ブリヂストン Water-based paint for rubber articles
JP4519638B2 (en) * 2002-05-29 2010-08-04 株式会社ブリヂストン Application method
JP2011148395A (en) * 2010-01-21 2011-08-04 Honda Motor Co Ltd Method of assembling tire assembly and assembly line
JP2014050974A (en) * 2012-09-05 2014-03-20 Sumitomo Rubber Ind Ltd Crimping method and crimping device of joint part of tire forming material, and tire
CN113195203A (en) * 2018-12-20 2021-07-30 倍耐力轮胎股份公司 Process and apparatus for marking a panel containing information to be imprinted on a tyre, and panel obtained by said process and apparatus
CN113195203B (en) * 2018-12-20 2023-07-18 倍耐力轮胎股份公司 Process and apparatus for marking a panel containing information to be imprinted on a tyre, and panel obtained by such a process and apparatus
DE102022111930A1 (en) 2022-05-12 2023-11-16 Audi Aktiengesellschaft Vehicle tires with a vehicle tire marking

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