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EP4522409A1 - Dispositif d'ouverture de soupapes, dispositif de nettoyage laser, ensemble de traitement de moule, segment de moule, procédé et produit de programme informatique - Google Patents

Dispositif d'ouverture de soupapes, dispositif de nettoyage laser, ensemble de traitement de moule, segment de moule, procédé et produit de programme informatique

Info

Publication number
EP4522409A1
EP4522409A1 EP23725175.6A EP23725175A EP4522409A1 EP 4522409 A1 EP4522409 A1 EP 4522409A1 EP 23725175 A EP23725175 A EP 23725175A EP 4522409 A1 EP4522409 A1 EP 4522409A1
Authority
EP
European Patent Office
Prior art keywords
valve
mold segment
laser
laser radiation
mold
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.)
Withdrawn
Application number
EP23725175.6A
Other languages
German (de)
English (en)
Inventor
Armin Kraus
Armin Reiss
Stefan IRRGANG
Jan Flohre
Jonas HAWELKA
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.)
4JET Technologies GmbH
Original Assignee
4JET Technologies 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 4JET Technologies GmbH filed Critical 4JET Technologies GmbH
Publication of EP4522409A1 publication Critical patent/EP4522409A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29D30/0662—Accessories, details or auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
    • 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
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • B29C33/70—Maintenance
    • B29C33/72—Cleaning
    • 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
    • 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
    • B29D2030/0617—Venting devices, e.g. vent plugs or inserts
    • 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
    • B29D30/0662—Accessories, details or auxiliary operations
    • B29D2030/0663—Mould maintenance, e.g. cleaning, washing, repairing

Definitions

  • the valve is configured so that the valve is mechanically closed by the rubber (e.g. a tire rubber) and is opened by a biasing element (e.g. a spring) upon removal of the rubber.
  • the spring is also referred to herein as an engineered spring and, in one embodiment, is configured to elastically deform upon application of a force and to provide a restoring force that counteracts the applied force.
  • the laser for generating the laser radiation is a laser with pulse durations in the millisecond range (1 ms to 1000 ms), for example with a wavelength smaller than 5 micrometers (X ⁇ 5 pm).
  • the laser is configured to generate quasi-continuous laser radiation, for example laser radiation with a pulse duration d of more than 100 milliseconds (d > 100 ms).
  • the laser is a fiber-guided laser (guided via an optical fiber).
  • the laser is a solid-state laser, or a neodymium (Nd) or ytterbium (Yb) doped yttrium aluminum garnet (YAG) laser.
  • the device can be configured to irradiate the adjacent part of the mold segment in addition to the unopened valve.
  • the laser radiation can be positioned on the unopened valve with greater positioning inaccuracies, but at the expense of a smaller temperature difference between the valve and the adjacent part of the mold segment.
  • the opening of the valve and the cleaning of the mold segment take place one after the other, for example the opening of the valve takes place after the cleaning of the mold segment;
  • At least one of the laser source, laser beam path, galvoscanner, process head (also referred to herein as laser head) is used both to clean the mold segment and to open the valve;
  • the area of the part of the surface of the mold segment simultaneously irradiated by the laser radiation is increased by a factor of at least 2 compared to cleaning of the mold segment, for example by a factor of at least 5, for example by a factor of at least 10.
  • the area simultaneously irradiated by the laser radiation is achieved in that the laser radiation (the laser beam) is operated outside the focus to open the valves.
  • the focus of the laser radiation is positioned at a distance from the surface of the mold segment in which the valves are arranged.
  • the laser cleaning device is used to at least partially automatically determine the path of the laser radiation over the mold segment to open the valves from the movement path of the cleaning radiation over the mold segment to clean the mold segment.
  • the same path as for cleaning the mold segment could be used to open the valves, with, according to one embodiment, switching from pulsed to non-pulsed laser operation to open the valves, the pulse duration is increased in pulsed laser operation and / or the area of the Laser radiation simultaneously irradiated area is enlarged.
  • the laser cleaning device is configured to detect closed valves after cleaning the mold segment, wherein the valve (which is opened by the laser radiation) is one of the closed valves.
  • the device is configured to deliver laser irradiation to the valve that heats the valve to a temperature of at least 250 ° C.
  • the device is configured to identify an unopened valve; and wherein the valve is the identified valve.
  • the laser radiation further has at least one of the following laser parameters: a wavelength in a range between 0.5 pm and 10 pm; a Rayleigh length in a range between 10 mm and 200 mm; an area power in a range between 2 and 50 kW/cm 2 a beam profile of the laser radiation is a top hat profile.
  • the opening of the valve and the cleaning of the mold segment take place one after the other;
  • - at least one of the laser source, laser beam path, galvo scanner and process head is used both to clean the mold segment and to open the valve;
  • the pulse duration is increased by at least a factor of 2 compared to cleaning the mold segment
  • Mold processing arrangement comprising a mold segment for molding and/or vulcanization of rubber, the mold segment having a ventilation opening and a valve for the ventilation opening; and a device according to any one of embodiments 1 to 11 for opening the valve.
  • the valve irradiating the valve with laser radiation to thereby open the valve; where the laser radiation is a cw laser radiation or a pulsed laser radiation with a pulse duration greater than 200 ns.
  • Computer program product comprising a program element which, when executed on a processor device, controls a method according to embodiment 17.
  • Mold segment designed for molding and/or vulcanization of rubber, the mold segment comprising: a valve; a ventilation opening defined by a part of the mold segment adjacent to the valve; and wherein the valve has a tarnish color corresponding to a temperature of at least 250°C.
  • the program element is a non-transient program element.
  • the computer program product is a non-transient computer program product.
  • reference to a computer program product is considered equivalent to reference to a computer program having a program element and/or a computer-readable medium having a program element.
  • a program element has instructions for controlling a processing device (having one or more microprocessors, for example a computer system) to effect and/or coordinating the execution of any method described herein.
  • the (non-transient) program element may be implemented as computer-readable instruction code using any suitable programming language, such as JAVA, C#, Python, etc. and may be on a computer-readable medium (removable disk, volatile or non-volatile memory, embedded memory/processor , etc.) must be saved.
  • the instruction code is executable for programming a computer or any other programmable processing device to perform the intended functions.
  • the computer program can be available on a network, for example the World Wide Web, from which it can be downloaded, for example.
  • Suitable components disclosed herein can be implemented using a computer program product (program element) or software.
  • the components can also be implemented using one or more specific electronic circuits or hardware.
  • these components can also be in hybrid form, i.e. H. Can be realized in a combination of software modules and hardware modules.
  • numerical values are to be understood as including a ⁇ 10% window.
  • exemplary embodiments of the subject matter disclosed herein are described below, with reference to, for example, a valve opening device, a laser cleaning device, a mold processing assembly, a method, a computer program product, and a mold segment. It should be emphasized that, of course, any combination of features of various aspects, embodiments and examples is possible. In particular, some embodiments are described with reference to a method, while other embodiments are described with reference to an opening device or a laser cleaning device. Still other embodiments will be described with reference to a computer program product, while other embodiments will be described with reference to a control device for interacting with elements of the opening device and/or the laser cleaning device.
  • FIG. 1 shows a device 100 for opening a valve 102 of a vent 104 of a mold segment 106 according to embodiments of the subject matter disclosed herein.
  • Fig. 2 shows a top view of the mold segment 106 from Fig. 1.
  • Fig. 1 shows a mold segment 106 of a mold 107 for shaping and vulcanizing rubber.
  • the mold segment 106 has a ventilation opening 104 and a valve 102 for closing the ventilation opening 104.
  • 1 further shows a device 100 for opening the valve 102 of the ventilation opening 104 of the mold segment 106, the ventilation opening 104 being delimited by a part 108 of the mold segment 106 adjacent to the valve.
  • the ventilation opening 104 is formed in a mold segment body 109 of the mold segment 106, for example as shown in FIG. 1.
  • the mold 107 is a tire mold, for example a tire mold for forming and Vulcanization of a pneumatic vehicle tire.
  • the device 100 is configured to emit a laser radiation 110, wherein the laser radiation is a cw laser radiation or a pulsed laser radiation with a pulse duration greater than 200 ns.
  • the device 100 includes a radiation source 111 that delivers the laser radiation 110 according to embodiments of the subject matter disclosed herein and forms a laser spot 113 on the mold segment 106.
  • the device 100 is further configured to open the valve 102 by irradiation with the laser radiation 110.
  • the radiation source 111 is a separate component which is optically connected to a laser head 115, for example via an optical fiber 117, for example as shown in FIG. 1.
  • the radiation source 111 is part of the laser head.
  • the radiation source 111 is arranged separately from a laser head.
  • the device 100 is configured to heat the valve 102 more than the adjacent portion 108 of the mold segment 106.
  • the ventilation opening 104 has a support surface 112 which tapers from an opening edge 114 into the ventilation opening, for example as shown in FIG. 1. In this manner, as the valve 102 expands relative to the vent 104, it is urged in a direction 116 away from the adjacent portion 108 of the mold segment 106. This can facilitate the opening of the valve by the laser radiation 110.
  • the support surface 112 is conical and closed in a ring shape, for example as shown in FIG. 1.
  • the mold segment 106 has a biasing element 118 which biases the valve 102 into an open position, for example in the direction 116, for example as shown in FIG. In other words, a force 120 must be exerted on the valve in order to close the valve 102, for example against the direction 116.
  • the biasing element 118 can be formed, for example, by a spring, for example as shown schematically in FIG. 1.
  • the force 120 is exerted by the tire rubber. If tire rubber then gets between the valve 102 and the mold segment 106 during the vulcanization process, the valve 102 can stick in the ventilation opening 104. Previously, in such cases the valve was released mechanically.
  • the device 100 now makes it possible to open a closed valve 102, in particular a closed valve 102, which is biased into the open position by a biasing element, by irradiation with the laser radiation 110.
  • the valve 102 heats up when irradiated with the laser radiation 110 to a temperature at which the material of the valve 102 tarnishes (for example by forming a thin oxide layer) and thus changes color.
  • the tarnish color of the valve therefore provides information about the maximum temperature to which the valve was heated.
  • the valve is heated with the laser radiation to a temperature of at least 250 degrees. Consequently, according to another embodiment, a tarnish color of the valve corresponds to a temperature of at least 250 ° C.
  • the valve heats to a temperature that is more than 100 ° C higher than the temperature of the adjacent part 108 of the mold segment 106.
  • a temperature gradient across the valve with an edge region 122 of the valve 102, which lies opposite the mold segment 106 (for example the support surface 112 of the mold segment 106), having a lower temperature than a center of the valve 102.
  • valve 102 is made of steel, while the mold segment 106 (or the mold segment body 109) is made of aluminum. According to another embodiment, the mold segment 106 (or the mold segment body) can also be made of steel.
  • the specific laser parameters that are suitable for opening the valve can, for example, depend on the material of the valve, the material thickness, i.e. H. the thickness 124 of the valve and/or the absorption coefficient of the valve.
  • a pulse duration >200 ns in particular enables the valve to be opened with the laser radiation 110.
  • the appropriate laser parameters can also depend on the material of the adjacent part 108 of the mold segment 106 the material thickness of the adjacent part 108 and / or the absorption coefficient of the adjacent part 108 can be selected.
  • the device 100 has a control device 126 for controlling the laser radiation 110 (for example for controlling the radiation source 111).
  • the control device 126 is further configured to control at least one actuator 128.
  • the at least one actuator 128 is configured to move the device 100 and the mold segment 106 relative to one another, for example by the To move laser radiation 110 (or the corresponding laser spot 113) and the mold segment 106 relative to one another, for example as shown in FIG. 1.
  • the at least one actuator 128 may include one or more actuators of the laser head 115 that are configured to move the laser head 115 relative to the mold segment 106.
  • the at least one actuator comprises an actuator which is configured to act on at least one optical element of an optical arrangement which is configured to generate the laser radiation 110.
  • the device 100 is part of a tire mold cleaning device.
  • the device 100 and the controller 126 may be configured to generate a first laser radiation as the laser radiation 110 for opening the valves, and to generate a second laser radiation for cleaning the mold segment 106.
  • the device 100 may be operable to open the valve 102 using the laser radiation 110 and may further be operable to clean the mold 107.
  • the device 100 may be a cleaning device for cleaning tire molds, which is operable to open the valve 102, or vice versa.
  • the term "opening the valve 102" is equivalent to the term “bringing the valve 102 from a closed state to an open state.”
  • the closed state is a state in which the edge region 122 of the valve 102 rests on the support surface 112.
  • the open state is a state in which the edge region 122 of the valve 102 is spaced from the support surface 112, for example as shown in FIG. 1.
  • the mold 107 or the mold segment 106 is cleaned and after cleaning the Mold segment 106, the valve 102 is opened. This procedure can be particularly advantageous in an embodiment according to which only closed valves are irradiated with the laser radiation 110.
  • the laser cleaning device 200 may be configured to detect closed valves.
  • the laser cleaning device 200 can have a suitable sensor device 129 for this purpose, for example at least one of a camera (for example for imaging the valve 102 and the adjacent part 108 of the mold segment 106) and a light section sensor (for example for creating a height profile of the valve 102 and the adjacent part 108 of the mold segment 106).
  • the laser cleaning device 200 is configured to detect closed valves after cleaning the mold segment 106.
  • the laser cleaning device 200 may include a display device 130, wherein the laser cleaning device 200 is configured (e.g. via the controller 126) to detect the closed valves to an operator on the display device 130.
  • the operator can start an opening process depending on the closed valves (for example depending on the number, arrangement, etc. of the closed valves) (for example, a corresponding option is displayed to the operator on the display device 130). , in which the closed valves are opened in accordance with embodiments of the subject matter disclosed herein.
  • control device 126 has a processor device 132 and a memory device 134.
  • the memory device 134 has a Program element according to embodiments of the subject matter disclosed herein, wherein the program element is configured to, when executed on the processor device 132, control a method according to embodiments of the subject matter disclosed herein.
  • control device is connected in terms of signal transmission to further components of the device 100 (for example with the laser head 115, the radiation source 111, with the at least one actuator 128 and/or with the display device 130), for example as indicated at 127 in FIG.
  • components of the device 100 can be controlled by the signal transmission connection 127.
  • sensor data can be supplied to the control device 126 through the signal transmission connection 127, for example from the sensor device 129.
  • Fig. 2 shows a top view of the mold segment 106 from Fig. 1.
  • a lateral extent 136 of a laser spot 113 is larger than a lateral extent 138 of the valve 102, for example as shown in FIG. 2.
  • the lateral extent 136 of the laser spot 113 is less than or equal to the lateral extent 138 of the valve (not shown in FIG. 2).
  • the lateral extent of the laser spot 113 i.e. the light spot that the laser radiation generates on the mold segment 106 and the valves 102, is also referred to herein as the size of the simultaneously irradiated area.
  • a larger area that is irradiated at the same time has the advantage that the mold segment 106 can be cleaned more efficiently, since a larger area of the mold segment 106 can be cleaned with a laser pulse than with a smaller spot size.
  • the size is important of the surface irradiated at the same time is limited by the power required to clean the mold segment 106.
  • the area power of the laser radiation 110 can be brought into a desired range. According to one embodiment, the area performance when opening the valve 102 is lower than when cleaning the mold segment 106.
  • the laser spot 113 has a round shape, for example as shown in FIG. 2.
  • the shape of the laser spot 113 may deviate from a round shape and may, for example, be approximately rectangular or square.
  • the valves are irradiated in a targeted manner with the laser radiation 110.
  • targeted irradiation means that individual valves are identified and started up (for example by means of the at least one actuator 128).
  • starting up means that the relative position of the device 100 and the mold segment 106 is changed in such a way that that the laser radiation 110 emitted by the device 100 falls on an area which includes the valve and optionally, according to one embodiment, at least partially the adjacent part 108 of the mold segment 106.
  • local irradiation of the valve does not rule out, that the adjacent part 108 of the mold segment 106 is also irradiated with the laser radiation 110.
  • the laser spot 113 extends over the valve 102 and, optionally at least partially also over the adjacent one Part 108 of the mold segment 106, for example as shown in FIG.
  • the ventilation opening 104 and thus also the opening edge 114 are circular in shape and the valve 102 is also circular in shape, for example as shown in FIG. 2.
  • each entity e.g., components, units, and devices
  • each entity is not limited to a dedicated entity as described in some embodiments.
  • the items described herein may be provided in various ways with varying granularity at the device level and/or at the software module level while still providing the stated functionality.
  • a separate entity e.g., components, units, and devices
  • an entity e.g., components, units, and devices
  • an entity may be configured to provide two or more functions as described herein.
  • two or more entities e.g., components, units, and devices
  • the control device contains a processor device which has at least one processor for executing at least one program element, which can correspond to a corresponding software module.
  • a definition of an optical arrangement or an optical geometry with reference to a laser radiation can of course also be defined analogously with reference to a radiation path of the laser radiation, and vice versa.
  • any reference herein to laser radiation analogously discloses a reference to a radiation path of the laser radiation.
  • a device for opening a valve of a ventilation opening of a mold segment for shaping and/or vulcanization of rubber the ventilation opening being delimited by a part of the mold segment adjacent to the valve, the device being configured to open the valve with to irradiate a laser radiation, and wherein the laser radiation is a cw laser radiation or a pulsed laser radiation with a pulse duration greater than 200 ns.
  • the laser radiation is a cw laser radiation or a pulsed laser radiation with a pulse duration greater than 200 ns.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

L'invention concerne un dispositif pour ouvrir une soupape d'une ouverture de ventilation d'un segment de moule pour le moulage et/ou la vulcanisation de caoutchouc, l'ouverture de ventilation étant bordée par une partie du segment de moule adjacente à la soupape, le dispositif étant conçu pour irradier la soupape avec un rayonnement laser afin d'ouvrir la soupape, et le rayonnement laser étant un rayonnement laser CW ou un rayonnement laser pulsé ayant une durée d'impulsion supérieure à 200 ns. L'invention concerne également un dispositif de nettoyage laser, un ensemble de traitement de moule, un segment de moule, un procédé et un produit de programme informatique.
EP23725175.6A 2022-05-13 2023-05-04 Dispositif d'ouverture de soupapes, dispositif de nettoyage laser, ensemble de traitement de moule, segment de moule, procédé et produit de programme informatique Withdrawn EP4522409A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202022102642.4U DE202022102642U1 (de) 2022-05-13 2022-05-13 Vorrichtung zum Öffnen von Ventilen, Laserreinigungsvorrichtung und Formenbearbeitungsanordnung
PCT/EP2023/061839 WO2023217628A1 (fr) 2022-05-13 2023-05-04 Dispositif d'ouverture de soupapes, dispositif de nettoyage laser, ensemble de traitement de moule, segment de moule, procédé et produit de programme informatique

Publications (1)

Publication Number Publication Date
EP4522409A1 true EP4522409A1 (fr) 2025-03-19

Family

ID=82217806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23725175.6A Withdrawn EP4522409A1 (fr) 2022-05-13 2023-05-04 Dispositif d'ouverture de soupapes, dispositif de nettoyage laser, ensemble de traitement de moule, segment de moule, procédé et produit de programme informatique

Country Status (3)

Country Link
EP (1) EP4522409A1 (fr)
DE (1) DE202022102642U1 (fr)
WO (1) WO2023217628A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023213270A1 (de) * 2023-12-22 2025-06-26 Continental Reifen Deutschland Gmbh Entlüftungsventil

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013220066B3 (de) 2013-10-02 2014-12-18 4Jet Technologies Gmbh Verfahren zum Reinigen einer Oberfläche eines Hohlraums
US10442117B2 (en) * 2017-04-17 2019-10-15 Indian Institute Of Technology Bombay Laser based tyre mold vent cleaning process and device
DE202019100947U1 (de) * 2019-02-19 2019-03-04 4Jet Technologies Gmbh Hochgeschwindigkeits-Reifenreinigungsvorrichtung

Also Published As

Publication number Publication date
DE202022102642U1 (de) 2022-06-13
WO2023217628A1 (fr) 2023-11-16

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