EP3781716A1 - Temperiervorrichtung zur partiellen kühlung eines bauteils - Google Patents
Temperiervorrichtung zur partiellen kühlung eines bauteilsInfo
- Publication number
- EP3781716A1 EP3781716A1 EP19718269.4A EP19718269A EP3781716A1 EP 3781716 A1 EP3781716 A1 EP 3781716A1 EP 19718269 A EP19718269 A EP 19718269A EP 3781716 A1 EP3781716 A1 EP 3781716A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- component
- nozzle tubes
- fluid
- tubes
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5735—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/613—Gases; Liquefied or solidified normally gaseous material
Definitions
- Temperature control device for partial cooling of a component
- the invention relates to a temperature control device for partial cooling of a component, wherein the temperature control device has at least one nozzle, which has for discharging a fluid flow for cooling at least a portion of the component.
- the nozzle in this case comprises a connecting tube for supplying the fluid from a reservoir and a plurality of nozzle tubes.
- the nozzle according to the invention can be used in particular in a press hardening line in which a press hardening tool is arranged downstream of a continuous furnace, the continuous furnace in particular
- Roller hearth furnace can be.
- Such a sheet steel part may for example be a body part of a motor vehicle.
- a heat treatment method called press hardening may be used. In this method, the steel sheet is heated in an oven and then formed in a press and cooled and thereby cured.
- the middle region of a B-pillar of a motor vehicle should have a high strength in order to protect the vehicle occupants as well as possible in the event of a side impact. So there is the possibility by means of press hardening, body parts of motor vehicles, such as A or B columns and side impact protection in doors or
- Some areas of such a component should have a lower strength, in order to accommodate deformation energy on the one hand in the event of impact can. On the other hand, such areas have more favorable properties in terms of connectability to other body parts.
- the different strength ranges of such a component can be effected inter alia by targeted cooling. Those areas which are to have a lower strength with higher ductility can be cooled in a targeted manner, while other areas which have a higher strength with lower ductility are kept warm. Such targeted cooling of a portion of a component can by
- Blowing the area can be achieved by means of a fluid, wherein the fluid has a lower temperature than the starting temperature of the component.
- the target temperature of such a range depends on the one hand on the original temperature of the component, the temperature of the fluid and the duration of the blowing and the fluid pressure, the known laws of thermodynamics apply.
- This process for producing various hardness ranges in a component by deliberately cooling at least one region is also known as "thermal molding".
- the areas of different hardness of a component should also be geometrically limited as exactly as possible. Accordingly, it is necessary to adjust the cooling of the areas geometrically corresponding exactly. Accordingly, a fluid jet may only blow that portion of a component which is to be cooled. Adjacent areas of the component should not be cooled by the fluid flow.
- tempering are known, but have the disadvantage that they are expensive due to the high thermal and mechanical stress and have a fairly short life or allow only a fuzzy transition between the area to be cooled and an adjacent area.
- correspondingly expensive nozzles were used in conventional tempering devices, or the nozzles used provided only a fuzzy separation between the area to be inflated and an adjacent area. In the latter case separation or bulkhead walls were often used, which should prevent overflow of the cooling fluid to adjacent areas.
- a disadvantage of such bulkheads is that they should come as close as possible to the surface of the component, on the one hand to achieve good foreclosure of the area to be cooled, on the other hand, the bulkhead, the component should not touch.
- the object is to provide a suitable for the exact blowing of a component area nozzle, or a corresponding temperature control device, which should also be inexpensive to manufacture.
- 1 is a schematic side view of a tempering with a strip nozzle
- FIG. 2 is a schematic front view of a first embodiment of a strip nozzle
- FIG. 3 is a schematic front view of a second embodiment of a strip nozzle
- Fig. 4 is a schematic thermographic image of a cooled by means of a strip nozzle
- FIG. 1 shows a strip nozzle 2 of a temperature control device 1, which blows a heated component 3 in at least one partial area with a fluid flow in order to cool the component in the blown area.
- the component 3 may be in the form of a sheet, in particular as a steel sheet or another sheet, which has been heated before cooling.
- the component can be an oven, for example so-called continuous furnace, in particular a
- roller hearth furnace or a chamber furnace, in particular a multi-chamber furnace, or the like have gone through.
- the component In the oven, the component is typically heated so that it has a substantially identical temperature in all areas.
- the heated component is then fed to the temperature control device 1, which blows the component 3 at least in a partial region with a cold fluid, so that the blown-on region of the component is cooled by the impinging fluid flow.
- the feeding of the component can comprise a further transport of the heated component 3 from the furnace into a temperature control station, which has the tempering device, ie, in one embodiment, the heated component can be guided from the furnace into the temperature control device, for example via a roller belt.
- the temperature control device integral
- the tempering device may be arranged in a region of a furnace, so that first all areas of the component 3 are first heated in the oven and
- the component is cooled by means of the temperature control device 1 and in particular by means of a strip nozzle.
- each nozzle pipe 2b has one end, its inlet end, on which
- connection pipe 2a defined and connected thereto so that fluid from the connecting pipe 2a can flow into the nozzle tube 2b.
- the connecting tube 2a is disposed horizontally, and the nozzle tubes are directed vertically and with their outlet end facing down to partially cool an underlying hot component 3.
- the nozzle tubes 2b are arranged so that their Ausblasöffhungen 2c are closely juxtaposed and arranged in a line. The arrangement of the Ausblasöffhung closely adjacent to each other, that from the
- Nozzle tubes are thus designed and aligned in their discharge direction so that the plurality of Kemprall vom the fluid flows results in a strip whose width the diameter of the Ausblasöffhung a nozzle tube and the length thereof is determined essentially by the number and width of the juxtaposed nozzle tubes 2b, see description of Figure 4.
- the connecting pipe 2a is connected to a tank in which the fluid used for cooling is intermediately stored.
- the fluid thus flows out of the tank, not shown in the figure, through the connecting pipe 2a into the plurality of nozzle pipes 2b and flows out of the outlet openings of the nozzle pipes onto the surface of the component 3.
- the fluid flow from the tank into the connecting pipe 2a of the strip nozzle 2 is shown schematically in the figure with the arrow 4.
- the tank can typically be a pressurized volume, for example a reservoir or pressure tank, from which fluid is removed via the connecting tube 2 a during the blowing of the component 3.
- the reservoir or the pressure tank can be cooled and adjusted to a certain temperature, so that the fluid removed has a desired temperature, which is suitable for cooling the component.
- connection pipe 2a The fluid flows out of the connection pipe 2a into each nozzle pipe 2b and leaves the respective nozzle pipe through the exhaust opening 2c thereof, so that one of the number of times
- Nozzle tubes corresponding plurality of individual streams leaves the strip nozzle 2.
- the multiplicity of fluid individual flows is shown schematically in the figure by arrows 5.
- the flow cross-section of the connecting tube 2a is preferably a multiple of the sum of the flow cross-sections with the nozzle tube fluidly connected to this connecting tube.
- the nozzle tube fluidly connected to this connecting tube.
- Flow cross-section of the connecting pipe at least twice the sum of the flow cross-sections nozzle pipes 2b, and in particular at least three times the sum of the flow cross sections of the nozzle pipes 2b.
- the length of the nozzle tubes is chosen so that they are substantially equal in length, so that the exiting volume flow of fluid is substantially the same size, wherein the catches of a nozzle tube is at least 10 times, more preferably at least 20 times and more preferably about 40 times the inner diameter of a nozzle tube, or even more than 40 times.
- the distance between the nozzle tubes to one another and the outflow direction of the fluid individual streams is selected so that the blown surface of the component 3 takes the form of a
- the nozzle tubes are at least in their last section, which defines the outflow direction of a fluid flow, arranged parallel to each other, so that the fluid individual streams 5 are aligned parallel to each other.
- the nozzle tubes may also be aligned non-parallel, but so that the fluid streams 5 impinge on the surface of the component seamlessly adjacent to each other and thus the desired strip or surface shape of the cooled surface is achieved.
- the distance between two adjacent nozzle tubes 2b from each other is selected so that the blown fluid streams on the component surface of the desired strip or surface shape and the extent of the entire blown area a
- the nozzle tubes do not have to be as close to each other, in particular not adjacent to each other in order to obtain a nearly constant over the catches of the blown area temperature profile.
- the center distance of the outlet openings of adjacent nozzle tubes 2b is twice to 20 times that of Inner diameter of a nozzle tube 2b, more preferably 3- to lO-fold and especially 4-5 times the inner diameter of a nozzle tube 2b, wherein it is assumed that the wall thickness of a nozzle tube is less than a quarter of the inner diameter of a nozzle tube 2b.
- the outlet ports of the nozzle tubes may in one embodiment be circular, in particular if the respective nozzle tube itself has a circular cross-sectional shape.
- an outlet opening can have an oval shape, wherein the oval outlet opening can be formed on an otherwise circular nozzle tube and the long axis of the oval outlet openings can be arranged in the direction of the desired strip shape of the embossed area. In this way, the design of the outlet opening can be used for shaping the blown area.
- Auslassöffhung have an oval, angular, in particular a quadrangular shape, and more preferably a rectangle with uneven sides be, the long sides can be arranged in the direction of the desired cooling strip.
- the outlet openings may have other shapes, for example triangular or different shapes of the outlet openings may also be combined to achieve a desired shape of the blown area. For example, at the end of a series of nozzle tubes the
- Outlet opening of the last nozzle tube having a different shape than the nozzle tubes, which are arranged between the last nozzle tubes, so that the shape of the last outlet opening a desired shape of the end of the blown area is achieved.
- the distance of the exhaust openings 2c from the surface of the component 3 is selected so that the impinging on the surface of the component 3 fluid flow is sharply contoured.
- the distance of the exhaust openings 2c from the surface of the component 3 is a few millimeters, preferably 5 mm to 100 mm, preferably 10 mm to 80 mm.
- Figure 2 shows a section through a strip nozzle along the Finie A-A in Fig. 1, ie through the connecting pipe 2a and a nozzle tube 2b.
- the nozzle tube closes at his
- the nozzle tube 2b may have one of the above-mentioned cross-sectional areas; also, the connecting pipe 2a a round
- Cross-sectional area or alternatively have an oval or polygonal cross-sectional area.
- Figure 3 shows a section through a strip nozzle with a nozzle tube 2b, which is not formed in a straight line as in Fig. 2a, but which is fixed next to the fluid-conducting connection at least at a second point 7 of the nozzle tube.
- the nozzle tube 2b may be circumferentially guided around the connecting tube 2a in an arc and at the second point 7 directly to the connecting tube 2a, for example by a positive or cohesive connection, such as a welding point, be set.
- the height can be reduced compared to the design shown in Figure 1 or Figure 2. Only the free end of a nozzle tube 2b, ie the section from the second fixing point 7 to the outlet end, is then preferably designed as a straight tube.
- the length of the free end of the nozzle tube 2b ie the length of
- Tube length the nozzle tube is less susceptible to vibrations or other influences that may be caused by the fluid flows in the temperature control.
- Fixing point also be determined indirectly on the connecting pipe 2a or another element of the temperature control.
- a plurality of nozzle tubes can be guided by an auxiliary plate (not shown in the figure) and secured thereto, so that the nozzle tubes are fixed directly to the auxiliary plate.
- the auxiliary sheet in turn can be fixed directly to the connecting pipe 2a or to another element of the temperature control.
- all the nozzle tubes on the same side, as shown in Ligur 3, for example, on the left side may be fluidly connected to the connecting tube 2a.
- the nozzle tubes can alternately
- the nozzle tubes can also be connected at the top or bottom of the connecting tube and then guided around the connecting tube in an arc of approximately 180 ° or 360 °.
- FIG. 4 shows a thermography of a component which, when measured by means of a strip nozzle, was blown with cold, gaseous fluid, here with cold air.
- the nozzle tubes of the strip nozzle were designed as rectilinear tubes which were fixed in a fluid-conducting manner to the underside of a connecting tube and had a uniform length of about 20 cm and a uniform inner diameter of about 4 mm with a circular outlet opening, so that the core jet of the fluid has a diameter of 4mm.
- the outlet openings were placed at a distance of about 30mm below the outlet openings of the nozzle tubes. Subsequently, the steel sheet heated to about 850 ° C with the cold, gaseous Lluid was blown for a few seconds, wherein the Lluid was pressed with a pressure of about 3.5 bar in the connecting pipe.
- thermography shows the heat distribution shown schematically in FIG.
- Temperature of the component 3 was reduced in a strip-shaped surface 8 of about 20mm by about 200 ° C, which geometrically follows the nozzle profile. Along the strip-shaped, blown area, a transitional area 9 could be measured, in which the temperature in the direction of the non-blown area increases sharply.
- a streak nozzle comprising a plurality of nozzle tubes having an inner diameter of uniformly 4 mm with a wall thickness of 1 mm and a nozzle tube length of 100 mm.
- the outlet openings of the nozzle tubes was placed about 100 mm above the surface of the component 3 to be inflated.
- the determined thermography showed the desired sharp contouring of the blown area.
- volume flow of fluid sufficient to cause the same cooling effect, so that by means of the strip nozzle, a more efficient use of the volume flow is achieved. Furthermore, this also causes a lower noise emission.
- a plurality of strip nozzles 2 can be arranged next to and / or behind one another for cooling a component 3.
- the cooling air nozzles can be designed differently, in particular, they can be set up and configured so that different fluid flow volumes are provided with different geometric dimensions, so that a component in different, possibly adjacent areas, can be cooled differently. In this way, different areas of a component can simultaneously but
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Nozzles (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018109579.1A DE102018109579A1 (de) | 2018-04-20 | 2018-04-20 | Temperiervorrichtung zur partiellen Kühlung eines Bauteils |
PCT/EP2019/058599 WO2019201622A1 (de) | 2018-04-20 | 2019-04-05 | Temperiervorrichtung zur partiellen kühlung eines bauteils |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3781716A1 true EP3781716A1 (de) | 2021-02-24 |
Family
ID=66223670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19718269.4A Pending EP3781716A1 (de) | 2018-04-20 | 2019-04-05 | Temperiervorrichtung zur partiellen kühlung eines bauteils |
Country Status (8)
Country | Link |
---|---|
US (2) | US20210164071A1 (de) |
EP (1) | EP3781716A1 (de) |
JP (1) | JP7522660B2 (de) |
KR (1) | KR20210021289A (de) |
CN (1) | CN112004948B (de) |
DE (1) | DE102018109579A1 (de) |
MX (1) | MX2020010610A (de) |
WO (1) | WO2019201622A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019201622A1 (de) | 2018-04-20 | 2019-10-24 | Schwartz Gmbh | Temperiervorrichtung zur partiellen kühlung eines bauteils |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3522111A (en) * | 1967-10-24 | 1970-07-28 | Republic Steel Corp | Method of making a composite metal product |
US4367597A (en) * | 1979-12-13 | 1983-01-11 | Nippon Steel Corporation | Gas-liquid cooling apparatus |
JPH0570709U (ja) * | 1992-02-28 | 1993-09-24 | 住友金属工業株式会社 | 熱間鋼板の冷却装置 |
JP2958236B2 (ja) * | 1994-04-07 | 1999-10-06 | 新日本製鐵株式会社 | 熱板冷却装置 |
US5640872A (en) * | 1994-07-20 | 1997-06-24 | Alusuisse-Lonza Services Ltd. | Process and device for cooling heated metal plates and strips |
FR2738577B1 (fr) * | 1995-09-12 | 1998-03-13 | Selas Sa | Dispositif de refroidissement d'un produit lamine |
JPH1046262A (ja) * | 1996-07-25 | 1998-02-17 | Nippon Steel Corp | 冷却装置 |
KR100293139B1 (ko) * | 1997-03-14 | 2001-06-15 | 아사무라 타카싯 | 가스분출류에 의한 강밴드 열처리 장치 |
JPH10277626A (ja) * | 1997-04-03 | 1998-10-20 | Sumitomo Metal Ind Ltd | 鋼帯冷却装置 |
JP4290430B2 (ja) | 2001-04-02 | 2009-07-08 | 新日本製鐵株式会社 | 連続燒鈍設備における鋼帯の急速冷却装置 |
WO2004014577A1 (ja) * | 2002-08-08 | 2004-02-19 | Jfe Steel Corporation | 熱延鋼帯の冷却装置、熱延鋼帯の製造方法および熱延鋼帯の製造ライン |
JP4449991B2 (ja) * | 2007-02-26 | 2010-04-14 | Jfeスチール株式会社 | 熱延鋼帯の冷却装置及び方法 |
DE602008004430D1 (de) * | 2008-03-14 | 2011-02-24 | Arcelormittal France | Verfahren und Vorrichtung zum Blasen von Gas auf ein laufendes Band |
JP4678069B1 (ja) * | 2009-03-30 | 2011-04-27 | Jfeスチール株式会社 | 熱延鋼板の冷却装置 |
DE102011103269A1 (de) * | 2011-05-26 | 2012-11-29 | Thyssenkrupp System Engineering Gmbh | Glühvorrichtunng und Verfahren zum Glühen von Metallplatten |
DE102013001898A1 (de) * | 2013-02-05 | 2014-08-07 | Thermprotec Gmbh | Verfahren zum Verbessern der Temperaturverteilung beim induktiven bzw. konduktiven Härten von geformten Rohren und Stäben insbesondere aber nicht ausschließlich für den Einsatz als Fahrwerksstabilisatoren in Automobilen |
CA2900559C (en) * | 2013-03-11 | 2018-01-02 | Novelis Inc. | Improving the flatness of a rolled strip |
EP2826570B1 (de) * | 2013-07-16 | 2017-02-01 | Cockerill Maintenance & Ingéniérie S.A. | Vorkühlsystem mit interner Pilotsteuerung |
DE102015203406A1 (de) | 2015-02-26 | 2016-09-01 | Bayerische Motoren Werke Aktiengesellschaft | Anlage für die Serienfertigung pressgehärteter und korrosionsgeschützter Blechformteile, mit einer Kühleinrichtung zur Zwischenkühlung der Platinen |
DE102015113056B4 (de) | 2015-08-07 | 2018-07-26 | Voestalpine Metal Forming Gmbh | Verfahren zum kontaktlosen Kühlen von Stahlblechen und Vorrichtung hierfür |
US20180245173A1 (en) * | 2015-05-29 | 2018-08-30 | Voestalpine Stahl Gmbh | Method for Contactlessly Cooling Steel Sheets and Device Therefor |
US20190024203A1 (en) * | 2016-01-25 | 2019-01-24 | Schwartz Gmbh | Method for heat treatment of a metal component |
DE102018109579A1 (de) | 2018-04-20 | 2019-10-24 | Schwartz Gmbh | Temperiervorrichtung zur partiellen Kühlung eines Bauteils |
-
2018
- 2018-04-20 DE DE102018109579.1A patent/DE102018109579A1/de active Pending
-
2019
- 2019-04-05 KR KR1020207033499A patent/KR20210021289A/ko not_active Application Discontinuation
- 2019-04-05 US US17/047,188 patent/US20210164071A1/en not_active Abandoned
- 2019-04-05 WO PCT/EP2019/058599 patent/WO2019201622A1/de active Application Filing
- 2019-04-05 CN CN201980026914.6A patent/CN112004948B/zh active Active
- 2019-04-05 JP JP2020558037A patent/JP7522660B2/ja active Active
- 2019-04-05 MX MX2020010610A patent/MX2020010610A/es unknown
- 2019-04-05 EP EP19718269.4A patent/EP3781716A1/de active Pending
-
2022
- 2022-09-20 US US17/948,384 patent/US20230019923A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019201622A1 (de) | 2018-04-20 | 2019-10-24 | Schwartz Gmbh | Temperiervorrichtung zur partiellen kühlung eines bauteils |
Also Published As
Publication number | Publication date |
---|---|
MX2020010610A (es) | 2020-10-20 |
US20230019923A1 (en) | 2023-01-19 |
US20210164071A1 (en) | 2021-06-03 |
DE102018109579A1 (de) | 2019-10-24 |
WO2019201622A1 (de) | 2019-10-24 |
JP2021522409A (ja) | 2021-08-30 |
JP7522660B2 (ja) | 2024-07-25 |
CN112004948B (zh) | 2023-01-31 |
KR20210021289A (ko) | 2021-02-25 |
CN112004948A (zh) | 2020-11-27 |
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