EP3765312A1 - Élément en forme de nervure ou de lamelle, segment d'anneau profilé et procédé de fabrication d'un segment d'anneau profilé - Google Patents

Élément en forme de nervure ou de lamelle, segment d'anneau profilé et procédé de fabrication d'un segment d'anneau profilé

Info

Publication number
EP3765312A1
EP3765312A1 EP19701448.3A EP19701448A EP3765312A1 EP 3765312 A1 EP3765312 A1 EP 3765312A1 EP 19701448 A EP19701448 A EP 19701448A EP 3765312 A1 EP3765312 A1 EP 3765312A1
Authority
EP
European Patent Office
Prior art keywords
ribs
model
forming
profile ring
tread
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.)
Pending
Application number
EP19701448.3A
Other languages
German (de)
English (en)
Inventor
Michal NOVOTNY
Zdenek CERNOCKY
Evzen STETKAR
Pavel Brazdil
Fabian Blömer
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.)
Continental Reifen Deutschland GmbH
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 EP3765312A1 publication Critical patent/EP3765312A1/fr
Pending legal-status Critical Current

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
    • B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/007—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B23K26/342—Build-up welding
    • 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
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • 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)
    • 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
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • B29D2030/0612—Means for forming recesses or protrusions in the tyres, e.g. grooves or ribs, to create the tread or sidewalls patterns
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Definitions

  • the invention relates to a ribbed or lamellar element with a
  • Anchoring part and a molding part wherein the anchoring part in a
  • Profile ring segment of the tread of a vehicle tire from forming profile ring of a vulcanization mold is anchored and the molding part is provided for forming a recess or a groove in the tread.
  • the invention further relates to a profile ring segment of the tread of a vehicle tire from forming
  • Profile ring of a vulcanization mold for a vehicle tire and a method for producing a profile ring segment of the tread of a vehicle tire molding profile ring of a vehicle tire vulcanization mold with a tread having cuts and / or grooves, with at least one, extending at least one of its edges to the tread periphery Bevel are provided.
  • the vulcanization of vehicle tires takes place in heating presses, in each of which a vulcanization mold is used, which, inter alia, has a multi-segment profile ring which forms the tread of the tire with its profiling.
  • the profile ring segments contain corresponding negative elements, such as
  • components can be produced very precisely by selective laser melting. From DE 10 2015 202 328 Al it is known slats, which in a
  • Profile ring segment of a vulcanization mold to be anchored by selective
  • the lamella can also have lamellar parts which intersect with other lamellar parts.
  • this lamella has a thickness of 0.5 mm to 1.5 mm and can also be produced with a varying thickness.
  • EP 2 987 630 Al it is known to produce the inner Lorm Structure of profile ring segments together with the negative profile elements by selective laser melting.
  • the entire profile ring segment can be produced by selective laser melting or it can be the mold surface inside part of the profile ring segments produced by this method, preferably with a thickness measured in the radial direction of up to 20 mm.
  • a similar method, in which the segment part containing the negative profiling or the negative profile elements is produced by selective laser melting by selective laser melting and is subsequently connected to a cast base segment part, is known from EP 2 960 031 A1.
  • incisions of pneumatic vehicle tires incisions with a width of in particular 0.4 mm to 0.8 mm, which are chamfered along one of their edge regions to the tread periphery and are therefore provided with a lase.
  • a lase is known in an oblique view in plan view of the tread oblique surface, which extends locally along a notch or groove edge, possibly also only over a portion of the edge.
  • Lases are increasingly also formed at edge regions of narrow, 1.0 mm to 3.0 mm wide transverse grooves. Such transverse grooves can also be designed such that their width continuously decreases over their course.
  • Chamfering at incision and at transverse edge edges have the advantage of preventing undesired "curling" of the edges, especially with a new tire, promote good drainage of water and contribute to stabilizing the edges
  • Profile positive for example, the profile ribs or the tread blocks and the like, at.
  • the bevels provided at the cutting edges and transverse groove edges are already milled out on the milling model of the profile ring segments during the production of the profile ring segments.
  • model slats and / or model molds are inserted into the milling model.
  • Ribs used and then a flexible plastic, a flexible, created.
  • the fins and / or ribs are inserted into the plastic die cast in the slots formed by the model fins and model fins, and then a gypsum core is produced.
  • a profile ring made of an aluminum alloy is poured, in which the fins and ribs are anchored.
  • the profile ring is cut into profile ring segments, processed accordingly and the segments are finally positioned in a vulcanization mold.
  • the production of "intermediate segments” and the production of "impressions" of segments in intermediate steps therefore take place several times. This suffers an exact formation of the chamfers forming projections on the profile ring segments. As a result, the exact production of very narrow chamfer spouts is difficult and it is a high
  • the invention is therefore based on the object chamfers at incisions and transverse grooves, in particular narrow Fasenaus collect to produce exactly and without Nachbearbeitungsaufwand.
  • the stated object is achieved with a rib-shaped or lamellar element which forms at least one chamfer on the tread periphery,
  • elongated projection and produced by selective laser melting.
  • selective laser melting it is possible to produce rib-shaped or lamellar elements with bevel-forming projections in a particularly exact manner.
  • the element is a lamella, which has a particular constant thickness of 0.3 mm to 1.5 mm, preferably up to 0.9 mm outside the projection forming the chamfer.
  • Such incisions in the tread-forming lamellae can be produced in a particularly exact manner by means of selective laser melting.
  • the element is a rib, which outside the chamfer forming projection in the anchoring part has a thickness of 0.3 mm to 1.5 mm, in particular from 0.5 mm to 0.8 mm, and a thickness in the molding part from 1.0 mm to 3.0 mm.
  • the chamfer-forming projection is formed with a 0.1 mm to 1.0 mm thin, strip-shaped section in the anchoring part and otherwise in the forming part.
  • strip-shaped portion therefore belongs to the anchoring part, as that part which is located in the profile ring segment and therefore within the inner side of the mold. This measure ensures a particularly accurate formation of chamfers on cuts and grooves.
  • the stated object is further achieved with a profile ring segment, on the inside for the formation of incisions and / or grooves with chamfers fins and / or ribs are anchored, which are provided with bevels forming projections and are made by selective laser melting.
  • Profile ring segments which contain such, produced by means of selective laser melting slats and / or ribs, ensure in the tread to
  • vulcanizing tire a very exact formation of chamfers on edge portions of incisions and / or grooves, in particular on transverse grooves, preferably also of such chamfers, which run along the edges.
  • very high quality tires can be produced whose properties given by the chamfers correspond to those that are expected and desired.
  • Particularly preferred is an embodiment of the profile ring segment with lamellae and / or ribs, in each of which a bevel forming projection with a 0.1 mm to 1.0 mm thin, strip-shaped section in the anchoring part and otherwise in
  • Shaping part is formed.
  • Embedded profile ring segment whereby the chamfers are made particularly accurate in the tread, especially very narrow or even converging bevel outlets can be made very accurate.
  • Profile ring segments which ensure a particularly exact formation of chamfers can be produced according to the invention as follows:
  • profile ring segments which ensure a particularly exact formation of chamfers can be produced according to the invention as follows:
  • the protrusions are preferably formed as chamfers
  • the lobes and / or model ribs provided with projections or webs are preferably produced by means of selective laser melting. Even those model
  • Lamellae and / or model ribs which have no such webs or projections are preferably produced by means of selective laser melting.
  • the invention further relates to a vehicle tire, in particular a pneumatic vehicle tire, which has been vulcanized in a vulcanization mold containing profile ring segments, which are produced according to one of the inventive method.
  • FIG. 5 is a view of a section of a milling model segment with inserted model slats
  • FIG. 7 is a view of a section of a flexible before inserting fins
  • FIG. 10 and 11 are views of an associated model rib
  • Fig. 12 is a view of a section of the milling model segment with inserted model ribs
  • Fig. 13 is a view of a section of a flexible.
  • the invention relates to specially designed lamellar or rib-shaped elements for shaping notches having chamfered edge regions and / or narrow grooves, in particular transverse grooves, in a tread of a tread
  • Profile ring segments of a profile ring of a vulcanization mold for pneumatic vehicle tires are provided.
  • Tire pneumatic tires are understood radial type, especially tires for passenger cars, vans, light trucks, trucks or buses.
  • a chamfer is known a beveled, locally or locally trained and along a groove edge or incision edge extending narrow surface. For narrow grooves as well as for cuts, the chamfers can only extend over a section of an edge.
  • An incision points - except for that area where a chamfer is formed - A particular constant thickness of 0.3 mm to 1.5 mm, preferably to 0.9 mm, on a narrow groove has - also apart from that area where a chamfer is formed - a width of 1.0 mm to 3, 0 mm, wherein the width can vary over the longitudinal extent of the groove, for example, can be continuously reduced.
  • a transverse groove is a groove that extends at an angle greater than 45 to the circumferential direction of the tread over much of its extent.
  • the chamfered edges or edge portions and / or narrow grooves, in particular transverse grooves, according to the invention are formed by fins and ribs made by SLM (Selective Laser Melting) of metal powder during vulcanization of the pneumatic vehicle tire in a vulcanization mold formed the rubber material of the tread.
  • SLM Selective Laser Melting
  • vulcanization molds for pneumatic vehicle tires usually consisting of a number of profile ring segments existing profile rings, on the inside of webs for molding wide grooves, such as circumferential grooves are formed and anchored to the inner sides of the lamellae for forming the incisions and / or the ribs to form narrow grooves .
  • the production of the profile ring segments takes place in a number of steps below
  • the milling model is usually a programmable created with a CNC milling machine, milled plastic model of a molding segment with cuts according to the
  • the flexible becomes using the milling model of a flexible
  • the flexible contains as "impressions" the protruding parts of the model slats and / or model ribs slots.
  • the slats or ribs are inserted into the slots, with the slats and ribs projecting a few millimeters beyond the outer surface.
  • the Gipskem is created as an impression of the Flexibels and contains the previously flexible protruding parts of the fins and the ribs. On the outer surface of the Gipskems therefore those parts of the lamellae and ribs, which were in the step before in the Flexibels.
  • a ring is formed and poured over the outside of a ring made of an aluminum alloy.
  • the segments of the gypsum core are destroyed and removed.
  • the aluminum alloy ring is cut into segments, which are subsequently machined in a manner known per se and finally used as profile segment rings in a vulcanization mold.
  • profile segment rings the parts of the lamellae and the ribs protruding from the gypsum core segments are now firmly anchored, the parts of the lamellae and ribs protruding from the profile segment rings form cuts and narrow grooves in the tread of the tire to be vulcanized.
  • the material In the production of the lamellae and / or ribs by SLM (selective laser melting), the material, a metal powder, applied in a thin layer on a base plate, locally completely remelted by laser radiation and forms a solid layer of material after solidification.
  • the base plate is lowered by one layer thickness and powder is applied again and remelted.
  • the individual layers are generated from 3D data, for example using CAD systems.
  • the model fins and model ribs can also be made using SLM.
  • FIGS. 1 and 2 show views of an example of a lamella 1
  • FIGS. 3 and 4 show views of an associated model lamella 2.
  • the lamella 1 has two plate-shaped sections extending in mutually L-shaped fashion, which blunt one another
  • the bevel-forming projection 1a has an approximately triangular cross-section, which is not visible, since it is designed as a positive of the bevel to be formed.
  • the dashed line h in Fig. 1 symbolizes the boundary between an anchoring part lbi, with which the lamella 1 is anchored in the existing of the aluminum alloy profile ring segment and a molding part lb 2 , with which the lamella 1 in the
  • Tread of the green tire penetrates.
  • strip-shaped portion lai of the projection la is located in the anchoring part lbi of the lamella 1 or belongs to the anchoring part lbi.
  • the anchoring part lbi which has, for example, a height hi of 4.0 mm to 5.0 mm, holes 1c are formed to firmly anchor the sipe 1 in the aluminum alloy.
  • the Ausformungsteil lb 2 in the example sections of different widths to form an incision with corresponding portions of different depths.
  • the model blade 2 shown in Figs. 3 and 4 is in plan view according to the
  • FIG. 5 shows a plan view of a small section of a milling model 3 with model slats 2 inserted in slots formed in an L-shape.
  • the anchoring part 2bi of the model slats 2 is located in the L-shaped slots of the milling model 3, the shaping part 2b 2 with the web 2a projects beyond the surface of the milling model 3, the web 2a lies on the surface on The milling model 3 contains more
  • FIG. 6 shows a section of a milling model 3 'with alternative embodiments, in which model slats 2', 2 "which have no web are used. Instead of the ridge elevations 4 are milled with a height of 0.1 mm to 1.0 mm and corresponding outer contour in the milling model 3 'along the corresponding edges of the recording of the model slats 2', 2 "slots provided.
  • FIG. 7 shows a plan view of a detail of a flexible element 5 corresponding to FIG. 5.
  • the slot 6 formed by the shaping part 2b 2 of the model lamella 2 and the shallow recess 7 formed by the web 2a or projections 4 in the flexible 5 can be seen.
  • a lamella 1 is provided in each slot 6 their anchorage lb 2 used and, if all slats 1 are used, the gypsum core, not shown, made.
  • Gipskem is the molding part lb 2 within the material of the gypsum core, the anchoring part lbi is available.
  • the shaping parts 1b 2 protrude from the insides of the segments, the anchoring parts 1b are located inside the segments.
  • Figures 8 and 9 show views of a rib 10, such as for forming a narrow transverse groove in the tread of the pneumatic vehicle tire.
  • the rib 10 has a
  • Anchoringsteil lObi and a molding part l0b 2 whose non-visible side surface is made smooth in the example and whose second side surface is provided with a chamfer forming a projection 11.
  • the thickness of the forming part lb 2 is outside the projection 11 1.0 mm to 3.0 mm.
  • the dashed line b marks the boundary between the parts 1 Obi and l0b 2 .
  • strip-shaped portion 1 la of the projection 11 is located outside the line I3 in the anchoring part 1 Obi and belongs to the anchoring part 1 Obi.
  • Anchoringsteil lObi is, apart from the section 1 la, usually less than the thickness of the forming part l0b 2 and is for example in the order of 0.5 mm, in particular 0.3 mm to 1.5 mm, preferably 0.5 mm to 0, 8 mm.
  • the projection 11, which expires thinner in the example to the one end of the rib 10, provides on the molding part l0b 2 for forming a chamfer along one edge of the transverse groove.
  • a projection l2a forming a chamfer is formed, which corresponds to a part of the projection 11, namely the upper part of the projection 11 on the rib 12 in FIG.
  • the projection l2a projects beyond the line l 4 with a strip-shaped portion having a thickness of 0.1 mm to 1.0 mm.
  • the anchoring part 12b 2 has a thickness which corresponds in particular to that of the anchoring part 10bi of the rib 10.
  • the shaping part 12b is adapted from its dimensions to the shaping part 10b 2 of the rib 10.
  • FIG. 12 shows a section of the milling model 14 at the point where a model rib 12 with its anchoring part 12b is inserted into a correspondingly shaped slot.
  • model rib 12 is the projection l2a, except for a projection of about 0.1 mm to 0.2 mm within the slot of the Fräsmodells 14th
  • FIG. 13 shows a plan view of a section of the produced flexible member 15 in the region where the shaping parts 12b 2 of two model ribs 12 have corresponding recesses 15a and slots 15b.
  • the depressions 15a may have been formed by flat protrusions on the milling model.
  • the ribs 10 are used accordingly in the flexible 15 in the next step and, analogous to the first
  • Embodiment described creates a Gipskem, of which the anchoring parts 1 Obi protrude.
  • the further steps for producing the profile ring segments from an aluminum alloy largely correspond to those already described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention concerne un élément (1, 10) en fore de nervure ou de lamelle comportant une partie d'ancrage (1b1, 10b1) et une partie de formage (1b2, 10b2). La partie d'ancrage (1b1, 10b1) peut être ancrée dans un segment d'anneau profilé d'un anneau profilé, formant la bande de roulement d'un pneumatique de véhicule, d'un moule de vulcanisation et la partie de formage (1b2, 10b2) est prévue pour former une incision ou une rainure dans la bande de roulement. L'élément (1, 10) comporte au moins une saillie allongée (1a, 11) formant un chanfrein à la périphérie de la bande de roulement et est réalisé par fusion laser sélective.
EP19701448.3A 2018-03-16 2019-01-10 Élément en forme de nervure ou de lamelle, segment d'anneau profilé et procédé de fabrication d'un segment d'anneau profilé Pending EP3765312A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018204024.9A DE102018204024A1 (de) 2018-03-16 2018-03-16 Rippen-oder lamellenförmiges Element, Profilringsegment und Verfahren zur Herstellung eines Profilringsegmentes
PCT/EP2019/050513 WO2019174793A1 (fr) 2018-03-16 2019-01-10 Élément en forme de nervure ou de lamelle, segment d'anneau profilé et procédé de fabrication d'un segment d'anneau profilé

Publications (1)

Publication Number Publication Date
EP3765312A1 true EP3765312A1 (fr) 2021-01-20

Family

ID=65200776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19701448.3A Pending EP3765312A1 (fr) 2018-03-16 2019-01-10 Élément en forme de nervure ou de lamelle, segment d'anneau profilé et procédé de fabrication d'un segment d'anneau profilé

Country Status (5)

Country Link
US (1) US11529782B2 (fr)
EP (1) EP3765312A1 (fr)
CN (1) CN111902298B (fr)
DE (1) DE102018204024A1 (fr)
WO (1) WO2019174793A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020201682A1 (de) 2020-02-11 2021-08-12 Continental Reifen Deutschland Gmbh Verfahren zur Herstellung eines Formsegmentes einer Vulkanisationsform, Formsegment und Vulkanisationsform
EP4271561A1 (fr) 2020-12-29 2023-11-08 Compagnie Generale Des Etablissements Michelin Segment de moule flexible avec élément de lamelle ayant une saillie destinée à être utilisée dans la formation d'un pneu
DE102022201696A1 (de) 2022-02-18 2023-08-24 Siemens Energy Global GmbH & Co. KG Additive Herstellung einer dünnen angeschrägten Bauteilstruktur
CN114799166B (zh) * 2022-05-11 2024-04-26 余姚市盛达粉末冶金有限公司 一种粉末冶金生产系统及工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3263307A1 (fr) * 2015-03-31 2018-01-03 Compagnie Générale des Etablissements Michelin Élément de moulage de moule de pneumatique, moule de moulage pour vulcanisation de pneumatique, et pneumatique

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000102925A (ja) * 1998-09-28 2000-04-11 Ngk Fine Mold Kk サイプ形成用骨およびタイヤ金型の製造方法
RU2362686C2 (ru) * 2004-08-06 2009-07-27 Кабусики Кайса Бриджстоун Пневматическая шина и способ ее изготовления
MX2011002468A (es) 2008-09-11 2011-04-05 Michelin Rech Tech Llanta para neumatico de area superficial variable y neumatico.
FR2940159B1 (fr) * 2008-12-24 2012-03-30 Michelin Soc Tech Matrice intermediaire pour la fabrication d' un moule de pneumatique realisee par frittage laser
FR2940166B1 (fr) 2008-12-24 2011-02-11 Michelin Soc Tech Procede de fabrication d'un element de garniture et d'un element de soutien destines a un moule de pneumatique
WO2010077375A1 (fr) * 2008-12-31 2010-07-08 Societe De Technologie Michelin Système de changement des lames d'incision pour le moulage et le rechapage de pneus
FR2940625B1 (fr) * 2008-12-31 2012-07-20 Michelin Soc Tech Moule pour la vulcanisation d'un pneumatique comprenant un reseau de canaux et d'entailles
FR2961741B1 (fr) 2010-06-25 2012-08-03 Michelin Soc Tech Lamelle pour une garniture d'un moule destine a la vulcanisation d'une bande de roulement d'un pneumatique
FR2971732B1 (fr) * 2011-02-17 2013-02-01 Michelin Soc Tech Bande de roulement pour pneumatique poids lourd de type remorque et element moulant
JP5579292B1 (ja) 2013-02-25 2014-08-27 株式会社ブリヂストン タイヤ加硫金型の製造方法、及び、タイヤ加硫金型
DE102013108384A1 (de) * 2013-08-05 2015-02-05 Continental Reifen Deutschland Gmbh Vulkanisierform für Fahrzeugreifen und Fahrzeugreifen, welcher mit einer vorgenannten Vulkanisierform heizgepresst ist
DE102013225160A1 (de) * 2013-12-06 2015-06-11 Continental Reifen Deutschland Gmbh Vulkanisierform für Winter- und Allseason- Fahrzeugreifen
FR3024059A1 (fr) * 2014-07-28 2016-01-29 Michelin & Cie Procede de fabrication additive a base de poudre d'une piece, notamment d'une lamelle de garniture pour moule de pneumatiques
FR3024060B1 (fr) 2014-07-28 2021-01-29 Michelin & Cie Procede de fabrication additive a base de poudre d'une piece, notamment d'une lamelle de garniture pour moule de pneumatiques, et d'un element de renfort associe
DE102014216455A1 (de) 2014-08-19 2016-02-25 Continental Reifen Deutschland Gmbh Verfahren zur Herstellung einer Vulkanisierform für Fahrzeugreifen
US10882362B2 (en) * 2014-09-30 2021-01-05 Compagnie Generale Des Etablissements Michelin Stiffeners for sipe-molding members
JP6472023B2 (ja) * 2014-12-25 2019-02-20 Ｔｏｙｏ Ｔｉｒｅ株式会社 空気入りタイヤ及びその成形型
DE102015202328A1 (de) 2015-02-10 2016-08-11 Continental Reifen Deutschland Gmbh Lamelle
WO2017058226A1 (fr) 2015-09-30 2017-04-06 Compagnie Generale Des Etablissements Michelin Lamelles d'épaisseur variable
WO2017058209A1 (fr) * 2015-09-30 2017-04-06 Compagnie Generale Des Etablissements Michelin Lamelles hybrides et procédés pour former une bande de roulement de pneu
FR3053919A1 (fr) 2016-07-18 2018-01-19 Compagnie Generale Des Etablissements Michelin Lamelle hybride de garniture d’un moule pour pneumatique

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3263307A1 (fr) * 2015-03-31 2018-01-03 Compagnie Générale des Etablissements Michelin Élément de moulage de moule de pneumatique, moule de moulage pour vulcanisation de pneumatique, et pneumatique

Also Published As

Publication number Publication date
DE102018204024A1 (de) 2019-09-19
CN111902298A (zh) 2020-11-06
WO2019174793A1 (fr) 2019-09-19
US11529782B2 (en) 2022-12-20
CN111902298B (zh) 2023-10-27
US20210016530A1 (en) 2021-01-21

Similar Documents

Publication Publication Date Title
WO2019174793A1 (fr) Élément en forme de nervure ou de lamelle, segment d'anneau profilé et procédé de fabrication d'un segment d'anneau profilé
EP3256310B1 (fr) Lamelle fabriquée par fusion sélective par laser
EP1652644A1 (fr) Moule pour pneus ayant une surface profilée de moulage en matériau fritté
DE102019211420A1 (de) Formsegment und Reifenvulkanisationsform
EP1399308B1 (fr) Segment de moule d'un outil de moulage de vulcanisation pour pneumatiques
DE19749565C1 (de) Reifenformsegment, Lamelle zur Verwendung in diesem Reifenformsegment sowie Reifenform
EP3815890B1 (fr) Élément moulé, moule de vulcanisation et pneumatique de véhicule
WO2014183890A1 (fr) Pneumatique de véhicule comprenant un système de cavités à l'intérieur de la bande de roulement et procédé de fabrication dudit pneumatique
EP4103394B1 (fr) Procédé de fabrication d'un segment de moule d'un moule de vulcanisation, segment de moule et moule de vulcanisation
WO2021254653A1 (fr) Procédé de fabrication d'un composant de segment de moule, composant de segment de moule, moule de vulcanisation et pneumatique de véhicule
DE1965121A1 (de) Form,insbesondere Vulkanisierform mit Entlueftungsoeffnungen
DE102019205612A1 (de) Verfahren zur Bearbeitung der Oberfläche oder von Oberflächenbereichen eines Formsegmentes, eines Formsegmentteiles oder eines rippen- oder lamellenförmigen Elementes einer Vulkanisationsform für einen Fahrzeugreifen
DE19929333C1 (de) Verfahren zum Herstellen einer Vulkanisationsform für Fahrzeugreifen und Vulkanisationsform für Fahrzeugreifen
EP2718118A1 (fr) Pneu de véhicule
DE102019209147A1 (de) Formelement, insbesondere Lamelle oder Rippe, Formsegment einer Reifenvulkanisationsform und Reifenvulkanisationsform
EP4347233B1 (fr) Procédé de production d'un moule de vulcanisation et moule de vulcanisation produit selon ce procédé
EP4699795A1 (fr) Élément d'insertion pour la fabrication d'un profil de bande de roulement d'un pneu de véhicule, et pneu de véhicule fabriqué avec l'élément d'insertion
WO2022122098A1 (fr) Moule de vulcanisation pour pneumatiques de véhicule
DE102018118611B4 (de) Reifenvulkanisationsform, Gussform zum Gießen einer Reifenvulkanisationsform, und Verfahren zur Herstellung einer Reifenvulkanisationsform
EP4415958B1 (fr) Unité de ventilation, moule de vulcanisation d'un pneumatique de véhicule et pneumatique de véhicule
DE102019205611A1 (de) Verfahren zur Bearbeitung der Oberfläche oder von Oberflächenbereichen eines Formsegmentes und Formsegment
EP1588830B1 (fr) Lamelle pour l'utilisation dans un moule de vulcanisation de pneus et procédé pour la fabrication de celle-ci
DE102019210938A1 (de) Formelement, Formsegment und Reifenvulkanisationsform
EP3970995B1 (fr) Pneus de véhicule doté d'une bande de roulement
DE102019205401A1 (de) Fahrzeugluftreifen mit profiliertem Laufstreifen mit einem Feineinschnitt mit erhöhter Rauheit sowie Klinge

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201016

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CONTINENTAL REIFEN DEUTSCHLAND GMBH

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20240419