EP3579993A1 - Verfahren zur bildung eines formteils und formteil - Google Patents
Verfahren zur bildung eines formteils und formteilInfo
- Publication number
- EP3579993A1 EP3579993A1 EP18702241.3A EP18702241A EP3579993A1 EP 3579993 A1 EP3579993 A1 EP 3579993A1 EP 18702241 A EP18702241 A EP 18702241A EP 3579993 A1 EP3579993 A1 EP 3579993A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- base
- less
- extrusion
- molded part
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 10
- 238000000465 moulding Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000012805 post-processing Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- 210000001217 buttock Anatomy 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 18
- 238000013461 design Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000641 cold extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/18—Making uncoated products by impact extrusion
- B21C23/183—Making uncoated products by impact extrusion by forward extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/03—Making uncoated products by both direct and backward extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
- B21C23/142—Making profiles
- B21C23/145—Interlocking profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/18—Making uncoated products by impact extrusion
- B21C23/186—Making uncoated products by impact extrusion by backward extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/06—Shaping thick-walled hollow articles, e.g. projectiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/01—Extruding metal; Impact extrusion starting from material of particular form or shape, e.g. mechanically pre-treated
Definitions
- the invention relates to a method for forming a molded part from a light metal or a light metal alloy by extruding a billet along a pressing axis, as well as moldings produced therefrom and combination components formed therefrom.
- Extrusion molding is a known massive forming process in which the material to be reshaped is made to flow in the form of a billet in a flow press under the action of high pressure and is brought into the shape determining the molded part by the shape of the flow press.
- Extrusion molding can best be used for the production of molded parts with a rotationally symmetrical basic shape with respect to the press axis.
- one of the main problems in the production of molded parts by extrusion is the limited geometric training option, if over the entire cross section of individual parts, such as wall parts, sufficiently good mechanical material properties to be achieved.
- the invention has for its object to produce moldings with higher variability in terms of their basic form with still satisfactory material quality with such methods.
- the inventive design facilitates the avoidance of the occurrence of local Rissinitiationshoven the flowing material in the die of the extrusion press, so the occurrence of tensile stresses in the material at which first cracks may occur, and in this way is a substantially homogeneous microstructure and an associated improved material quality of the molding reached.
- aluminum or an aluminum alloy is preferred.
- an alloy having the following chemical composition in weight percent can be used:
- Manganese 0.01 to 0.05 provided, the remainder of aluminum and production-related impurities is formed.
- this quotient of wall thickness and average curvature is greater than 1 / 10,000 of the area of the base area measured in mm 2 , preferably greater than 1/4000 of this area, in particular 1/1000 of this area. This results in a favorable flow behavior at the transition from the base to the wall section from the force applied by the press ram.
- a round region with a length of at least 0.2 mm, preferably at least 1 mm, in particular at least 2 mm is formed. In this way, notches on the surface can be largely avoided, and the molding is resistant to material fatigue and cracking even with varying mechanical stress.
- the wall portion is part of a wall structure surrounding the press axis. This allows the formation of container-shaped moldings.
- the method is preferably carried out in such a way that a maximum height difference between the lowest and highest distance of the wall height of the molded part immediately after extrusion to the desired geometry of the molded part to be machined is less than 3 mm, in particular less than 2 mm. This avoids excessive earing and also saves material.
- the contour of the wall structure differs predominantly and in particular entirely from a rotationally symmetrical with respect to the press axis basic shape and is particularly of polygonal shape.
- this variant which is rather unsuitable for reasons of fluid pressure due to the rotational symmetry deviation, however, allows a higher variability for the situations of use of such molded parts.
- the basic shape of the base and / or the contour of the wall structure is / are symmetrical with respect to at least one, preferably at least two, in particular at least four symmetry axes. This allows a good compromise with regard to intrinsic extrusion advantages and the above-mentioned variability in the use of the molded parts.
- the basic shape of the billet substantially matches the basic shape of the base.
- the shape adapted to the basic shape of the base provides advantages in the flowability of the extruded butts which outweighs the extra effort required to provide it.
- a contiguous surface area is formed on the side of the base in the forward flow direction that extends over at least 70%, preferably at least 80%, of the base area minus the area of the circumferential structure and in which there is a relative surface unevenness in the form of a difference the level of the surface is less than 20%, preferably less than 10%.
- a wall thickness of the wall structure over at least 80% of the circulation less than 8%, preferably less than 4%, in particular less than 2% relative deviation from each other and / or is the quotient of maximum wall thickness and minimum wall thickness over the Circulation seen less than 3.6, preferably 3.2, in particular 2.8.
- one or more mechanical properties of tensile strength, compressive strength, hardness, Density differ by less than 8%, preferably less than 4%, in particular less than 2%. This increases the reliability of the molded parts in use.
- a one-sided, in particular two-sided, closed molding tool is used.
- this requires a very precise vote of the occupied Butzenvolumens with the intended final shape, however, there are advantages in terms of savings in possible subsequent machining post-processing of the molding.
- one or more, in particular pin-like, form elements are formed by reverse full extrusion molding on the base on the side of the wall section, in particular removed in a decentralized manner from the base center.
- the shaped elements allow a design of the inner wall taken up by the wall structure. with regard to intended technical functionalities and thereby increases the flexibility in the use of the finished molded parts.
- the pin-like form elements have a ratio of length to diameter of greater than 1.2, in particular greater than 1.6, more preferably greater than 2.0.
- a technical functionality may in particular also lie in a connection with further molded parts and / or other structures.
- the flashing and / or working surfaces of the extruder exporting R manpresse be provided with lubricants.
- lubricants can be zinc grease soaps. This facilitates forming and also increases the service life of the flow press due to friction-reduced flow.
- the wall structure and the circumferential structure are aligned with one another in the direction of the press axis. This allows couplings of the parts with each other or with similar moldings according to the modular principle.
- the molding should have liquid structural elements that can be achieved particularly easily by post-processing, for example, a subsequent machining by milling and / or drilling.
- post-processing for example, a subsequent machining by milling and / or drilling.
- the invention is particularly advantageous for use with base surfaces in the range of (10 mm) 2 to (100 mm) second
- a wall thickness of the wall section or the wall structure is preferably greater in the area 0.5 mm, in particular greater than 1.0 mm to 10 mm, preferably only up to 7 mm, in particular only up to 4 mm.
- the material flows below local crack initiation stresses. That is, the material under pressure in cavities formed between joint parts of the forming tool is deformed below the local crack initiation stresses, defined by the tensile stress in the material at which the first cracks occur.
- the invention also provides a method for producing a combination component formed from two, in particular from the same light metal or the same light metal alloy moldings, in which one forms a first molded part according to a method according to the above aspects and one in particular in his Form of the first molded part deviating second molded part in particular also according to a method according to the above-explained aspects, and in which the first and the second molded part are designed for a press axis in succession arranged mutual coupling.
- the first and second molded part in the coupled state delimit a hollow space and the hollow space is sealed, in particular gas-tight, apart from intended accesses, and accesses can be made, for example, by drilling into the wall structure or base.
- the invention accordingly also provides extruded molded parts made of a light metal or a light metal alloy, which are essentially characterized in that the molded part is formed in at least one area with a deviation from a rotationally symmetrical basic shape with respect to the press axis, this symmetry deviating Extends over a wall portion of the molding formed by backward flow molding or backward flow molding with a normal vector extending predominantly orthogonal to the press axis; and formed on an adjacent to the wall portion planar base of the molding with extending predominantly in the direction of the press axis normal vector on its opposite side of the wall portion formed by forward-cup extrusion or hollow extrusion extrusion, the pressing axis encircling structure is formed, wherein in one Area of least wall thickness of the wall portion at the transition to the base of the quotient of this wall thickness in [mm] and formed at the transition mean curvature in [mm '1 ] is greater than 0.03, preferably greater than 0.1, more preferably is greater than 0.3, in
- the molded part has one or more shape features resulting from process steps of its production according to a method according to one or more of the above-mentioned method aspects.
- a combination component in particular produced according to one of the above-explained method aspects for producing a combination component, formed from two molded parts, which consist in particular of the same light metal or the same light metal alloy, is formed, wherein a first molded part according to one of the above Aspects is formed and a second molded part deviates in particular in shape from the first molded part and in particular also designed as a molded part according to the above aspects, wherein the first and second molded part are designed for a Pressachsplatz successively arranged mutual coupling.
- Fig. 1 shows schematically a molded part produced by extrusion molding
- Fig. 2 is a schematic representation of a
- Fig. 3 shows a transition region between a wall portion and a base of a molded part.
- a molded part 10 is shown in a perspective schematic view, which was produced by extrusion. Recognizable at approximately half the height in the press axis direction is a base 5, which has a polygonal shape, in this case the shape of a pentagon, and hereinafter also referred to as a bottom. However, other shapes could be used instead of the pentagonal shape, especially those having symmetry axes.
- the structure located above the bottom 5 in FIG. 1 is formed by backward-extrusion extrusion molding and has a wall section 6.1, and in this embodiment further wall sections 6.2, 6.3, 6.4 and 6.5, which together form an upper wall structure 6.
- Fig. 1 The arrangement formed in Fig. 1 below the bottom 5 is a circumferential structure 7, which in the present embodiment of the shape of the wall structure 6 corresponds.
- the bottom 5 is approximately halfway up the molded part 10, but its position could also be asymmetrical, that is, higher or lower than shown in FIG.
- Decentralized extends from the bottom 5 in the upward direction a pin part 8, which is formed by reverse Vollfepressen.
- the pin 8 and optionally further providable pins are an example of the design of a structure within the enclosed by the wall structure 6 cavity.
- Fig. 1 Not shown in Fig. 1 is at the upper edge 9, albeit a small, relative height difference, i. a slight earing in the form of a center of the respective wall sections 6.i higher wall height, which exists immediately after the extrusion. Rather, the upper edge 9 is shown at the same height, for example generated by a the extrusion process downstream milling process.
- further structures can be incorporated into the molding shown in Fig. 1, such as grooves, bores, steps and through holes by the milling or drilling post-processing.
- the surface on the underside of the bottom 5 is flat in this embodiment according to a preferred embodiment and, apart from the circumferential wall structure is a flat surface.
- the wall structure 6 and the circumferential structure 7 are aligned.
- the molding shown in Fig. 1 is thus suitable with a similar molding to be assembled into a combination component.
- a welded connection between permanently (in the case of identical components), for example, the upper edge 9 of a first component and the lower edge of the other component can be produced.
- the container interior formed thereby can thus be sealed tight, in particular gas-tight.
- the wall thickness w is chosen to be smaller than the bottom thickness b. During extrusion of the molding, this results in a more uniformly directed Flow of the material and thus requires a high degree of homogeneity of the wall structure 6 and also the circumferential structure. 7
- Fig. 3 is still the transition from bottom 8 to wall section 6.1 shown schematically, with a rounding and the radius of curvature r.
- the ratio of the wall thickness w in [mm], here 2, and the mean curvature 1 / r formed in the transition [mm ' 1 ], here 1 / 0.35, is 0.7 in the example shown.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
- Forging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017001384.5A DE102017001384A1 (de) | 2017-02-13 | 2017-02-13 | Verfahren zur Bildung eines Formteils und Formteil |
PCT/EP2018/051989 WO2018145926A1 (de) | 2017-02-13 | 2018-01-26 | Verfahren zur bildung eines formteils und formteil |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3579993A1 true EP3579993A1 (de) | 2019-12-18 |
EP3579993B1 EP3579993B1 (de) | 2023-07-26 |
EP3579993C0 EP3579993C0 (de) | 2023-07-26 |
Family
ID=61094512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18702241.3A Active EP3579993B1 (de) | 2017-02-13 | 2018-01-26 | Verfahren zur bildung eines formteils und formteil |
Country Status (5)
Country | Link |
---|---|
US (1) | US11590546B2 (de) |
EP (1) | EP3579993B1 (de) |
CN (1) | CN110248746B (de) |
DE (1) | DE102017001384A1 (de) |
WO (1) | WO2018145926A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020001116A1 (de) | 2020-02-20 | 2021-08-26 | Neuman Aluminium Fliesspresswerk Gmbh | Kaltfließgepresstes Bauteil und Kaltfließpressverfahren |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1756416A (en) | 1924-11-28 | 1930-04-29 | Midland Steel Prod Co | Process for making pipe couplings |
DE1602402U (de) | 1949-08-03 | 1950-03-02 | Wilhelm Roell | Verstellvorrichtung fuer hack- und haeufelpflug. |
US3096579A (en) * | 1959-04-15 | 1963-07-09 | Burgess Norton Mfg Co | Process of producing extruded articles |
DE1845814U (de) | 1961-05-02 | 1962-02-01 | Felix Rueggeberg | Zylindrischer grossraumkops zum aufspinnen von kunstfasern im kaltfliesspressverfahren hergestellt. |
DE1256518B (de) | 1962-10-24 | 1967-12-14 | Reynolds Metals Co | Heizbares Pressgesenk zur Warmfliesspressherstellung hohlzylindrischer Teile zur Weiterverarbeitung zu Radfelgen aus vorgeformten Rohteilen aus Knetlegierungen |
FR1599466A (de) * | 1968-12-27 | 1970-07-15 | ||
US4166373A (en) * | 1977-12-27 | 1979-09-04 | Braun Engineering Company | Method of cold forming |
JPS55156632A (en) | 1979-05-25 | 1980-12-05 | Mitsubishi Heavy Ind Ltd | Forging method of outer race of universal joint |
US4945749A (en) * | 1989-10-30 | 1990-08-07 | General Motors Corporation | Cold forming dies and cold forming process |
US6266878B1 (en) * | 1999-02-02 | 2001-07-31 | Amcast Industrial Corporation | Process for producing variable displacement compressor pistons having hollow piston bodies and integral actuator rods |
US7213434B2 (en) | 2001-12-26 | 2007-05-08 | Showa Denko K.K | Method for manufacturing universal joint yoke, forging die and preform |
JP3936230B2 (ja) * | 2002-04-19 | 2007-06-27 | 日本特殊陶業株式会社 | フランジ付き筒状金具の製造方法 |
FR2854089B1 (fr) | 2003-04-23 | 2006-05-19 | Semt Pielstick | Procede de fabrication d'un piston, outillage pour la mise en oeuvre de ce procede et piston ainsi obtenu |
CN101912889B (zh) * | 2009-06-17 | 2013-07-31 | 苏州昆仑先进制造技术装备有限公司 | 分布挤压工艺方法及其分布挤压模具 |
CN102319757B (zh) | 2011-08-18 | 2013-11-20 | 中国兵器工业第五二研究所 | 镁合金变截面筒形件的复合挤压变形制备方法 |
CN103691751A (zh) | 2013-12-31 | 2014-04-02 | 上海久丰汽车零件有限公司 | 一种铝质方头异形筒的挤压工艺 |
FR3022164B1 (fr) * | 2014-06-13 | 2017-01-27 | Luxfer Gas Cylinders Ltd | Procede de fabrication de recipients pour fluide pressurise et appareil pour le procede |
-
2017
- 2017-02-13 DE DE102017001384.5A patent/DE102017001384A1/de not_active Withdrawn
-
2018
- 2018-01-26 US US16/485,297 patent/US11590546B2/en active Active
- 2018-01-26 WO PCT/EP2018/051989 patent/WO2018145926A1/de active Application Filing
- 2018-01-26 EP EP18702241.3A patent/EP3579993B1/de active Active
- 2018-01-26 CN CN201880011720.4A patent/CN110248746B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN110248746A (zh) | 2019-09-17 |
EP3579993B1 (de) | 2023-07-26 |
EP3579993C0 (de) | 2023-07-26 |
US20190374988A1 (en) | 2019-12-12 |
WO2018145926A1 (de) | 2018-08-16 |
CN110248746B (zh) | 2022-05-31 |
DE102017001384A1 (de) | 2018-08-16 |
US11590546B2 (en) | 2023-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69312807T2 (de) | Verfahren und Vorrichtung zum Herstellen einer rohrförmigen Zahnstange | |
DE10196332B4 (de) | Fertigungsvorrichtung für ein gekrümmtes Metallrohr mit einem beliebig geformten Querschnitt und Verfahren zur Herstellung eines gekrümmten Metallrohres und einer gekrümmten Metallstange | |
DE69007309T2 (de) | Hohlbolzen mit inneren Ausbuchtungen und deren Herstellung. | |
WO2007031052A2 (de) | Hohlwelle und verfahren zur herstellung | |
DE19861391B4 (de) | Verfahren zum Formen einer Nabenscheibe und Drückrolle zur Verwendung beim Formen einer Nabenscheibe | |
DE60103875T2 (de) | Vorrichtung und Verfahren zum Pressen eines plastischen Deformiervorformlings | |
EP1188937A2 (de) | Aussensechsrundschraube und Verfahren zu deren Herstellung | |
DE60213900T2 (de) | Bolzen und diesen verwendendes Verfahren zum Spannen von Bauteilen | |
DE102005003933B4 (de) | Dorn zum Strangpressen von Gegenständen und Verfahren zur Herstellung eines Strangpressproduktes | |
EP3579993B1 (de) | Verfahren zur bildung eines formteils und formteil | |
DE2117018A1 (de) | Radial-Nadellager-Außenring | |
DE60314056T2 (de) | Kupplungszahnrad mit Verzahnung und Verfahren zur Herstellung desselben | |
DE4122863C2 (de) | Verfahren zum Herstellen eines Y-Rohres | |
DE102006059868A1 (de) | Verfahren zur Herstellung eines Synchronringes einer Synchronisiereinrichtung | |
DE10102759A1 (de) | Verbundlenkerhinterachse | |
EP1741497B9 (de) | Verfahren und Werkzeug zur spanlosen Herstellung von Werkstücken mit einer Kerbe und Werkstück mit einer Kerbe | |
EP3122490A1 (de) | Verfahren und vorrichtung zum bearbeiten von stranggepressten profilabschnitten aus magnesium oder magnesiumlegierungen und ein daraus hergestelltes leichtbauelement | |
DE112016003710T5 (de) | Oberflächendesign für einen stanznietknopfaufbau | |
EP2834030B1 (de) | VERFAHREN ZUR HERSTELLUNG EINES FLIEßGEPRESSTEN LAGERZAPFENS | |
DE4133340C2 (de) | Kondensatorbechergehäuse mit Sollberstbereich sowie Verfahren und Werkzeug zu seiner Herstellung | |
DE3101123A1 (de) | Verfahren und einrichtung zum verformen eines metallstabes in ein tulpenfoermiges teil durch fliesspressen in einer geschlossenen kammer | |
DE102014108975A1 (de) | Verfahren zur Herstellung von strukturierten Rohrabschnitten und Vorrichtung zur Durchführung des Verfahrens | |
DE202013103821U1 (de) | Dornelement für eine Aluminium-Extrusionsvorrichuing | |
DE19744787A1 (de) | Stanzniet sowie Verfahren zu dessen Herstellung | |
WO2008055475A1 (de) | Nietverbindung |
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: 20190701 |
|
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) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20230213 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 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 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502018012781 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
U01 | Request for unitary effect filed |
Effective date: 20230727 |
|
U07 | Unitary effect registered |
Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI Effective date: 20230802 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG9D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231027 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231126 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231026 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231126 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231027 |
|
U20 | Renewal fee paid [unitary effect] |
Year of fee payment: 7 Effective date: 20240124 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502018012781 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20240429 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230726 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20240126 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20240126 |