EP3041963A1 - Verfahren zum härten eines blechmaterials und gehärtetes metallblechmaterial - Google Patents
Verfahren zum härten eines blechmaterials und gehärtetes metallblechmaterialInfo
- Publication number
- EP3041963A1 EP3041963A1 EP14755656.7A EP14755656A EP3041963A1 EP 3041963 A1 EP3041963 A1 EP 3041963A1 EP 14755656 A EP14755656 A EP 14755656A EP 3041963 A1 EP3041963 A1 EP 3041963A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet metal
- metal material
- solidification
- sheet
- hardening
- 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
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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/47—Burnishing
- Y10T29/479—Burnishing by shot peening or blasting
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12993—Surface feature [e.g., rough, mirror]
Definitions
- the present invention relates to a method of curing a sheet metal material.
- Sheet metal material in particular stainless steel sheet material, is used in particular for the production of kitchen worktops, sinks or basins.
- the present invention has for its object to provide a method for curing a sheet metal material, by which a particularly hard and scratch-resistant surface is produced on the sheet metal material.
- the present invention is therefore based on the concept of solidifying the sheet metal material by solidification blasting, in particular shot peening. - -
- the hardness of the sheet metal material is increased by a purely mechanical processing.
- a structure is introduced into the surface of the sheet metal material, by which the susceptibility of the surface is reduced for the emergence of household-standard scratches.
- both a front side and a rear side of the sheet metal material are each subjected to at least one solidification jet.
- the front side and the rear side of the sheet metal material are at least temporarily acted upon at the same time with at least one hardening beam.
- Each hardening beam is assigned a so-called hot spot on the surface of the sheet metal material.
- the hotspot of a solidification jet in this specification and in the appended claims is understood to mean the smallest surface in the area of a surface of the sheet metal material which is stationary relative to the respective hardening beam, within which 90 percent by weight of the blasting material present in the respective hardening beam strikes the sheet metal material , - -
- the hotspot is usually in the form of a rectangular strip.
- the hotspot may also be substantially circular.
- a hotspot of a hardening beam which acts on the front side of the sheet metal material
- a hot spot of a hardening beam which acts on the back of the sheet metal material
- the sheet metal material to be cured may be in the form of a sheet or a strip material unwound from a sheet metal roll.
- the sheet metal material has an average material thickness of at most about 3 mm, in particular of at most about 2 mm, for example of at most about 1.5 mm.
- the metal sheet material is a stainless steel sheet material.
- the stainless steel sheet material may in particular comprise a chromium-nickel stainless steel.
- the stainless steel sheet material include the stainless steel with the material number 1.4301 according to EN 10027-2.
- the metal sheet material Before being subjected to the at least one solidification jet, the metal sheet material preferably has an average initial surface hardness of at most approximately 200 HV. - -
- the Vickers hardness in HV is determined by a hardness measurement according to DIN EN ISO 6507-1.
- the sheet metal material After being subjected to the at least one solidification jet, the sheet metal material preferably has an average final surface hardness of at least about 300 HV, more preferably at least about 400 HV, more preferably at least about 500 HV.
- the at least one solidification jet is produced from a grit in which at least 50 percent by weight of the grit has a maximum particle diameter of at least 0.8 mm.
- a blasting material having such a large grain size is particularly suitable for the hardening irradiation of relatively thin sheet metal material, since grit having a large grain size leaves a particularly pronounced deformation on the sheet metal material.
- the experiments carried out with the blasting material with large grain size have shown that the desired surface structure and the desired surface hardening of the thin sheet metal material can be achieved with such blasting material.
- the device for carrying out the solidification irradiation of the sheet metal material with blasting material of such a large grain size must be capable of transporting and accelerating the heavy blasting material. Furthermore, the impact surface of the blasting material should be able to be controlled as precisely as possible on the sheet metal material, preferably both on the front side and on the rear side of the metal sheet material.
- the at least one solidification jet is produced from a blasting material in which at least 50% by weight of the blasting material has a maximum particle diameter of at most 1.0 mm.
- the particles of the blasting material are preferably formed substantially spherical.
- substantially all particles of the blasting material have a maximum particle diameter in the range from approximately 0.2 mm to approximately 1.0 mm.
- the metal sheet material is moved relative to the solidification jet during the application of the at least one solidification jet.
- the solidified stainless steel sheet material has a gray-silvery color, similar to concrete or stone.
- the surface of the solidified stainless steel sheet looks dull and used.
- the solidification-treated stainless steel sheet material is particularly suitable for use in the field of industrial kitchens and "vintage kitchens".
- the solidification-treated stainless steel sheet material is particularly scratch-resistant.
- the present invention further relates to a hardened sheet metal material. - -
- the present invention has the further object of providing such a sheet metal material which has a particularly hard and scratch-resistant surface.
- a metal sheet material according to claim 12 which has a surface hardened by solidification irradiation front side and / or surface hardened by solidification irradiation back.
- the sheet metal material according to the present invention may have both a surface hardened by solidification irradiation front surface and a surface hardened by solidification irradiation back.
- the material thickness of the sheet metal material is preferably at most about 3 mm, more preferably at most about 2 mm, for example at most 1.5 mm.
- the metal sheet material is a stainless steel sheet material.
- the sheet metal material according to the invention can in particular be produced by the method according to the invention for hardening a sheet metal material.
- the metal sheet material according to the invention is particularly suitable for use in the manufacture of a kitchen countertop, a sink or a basin, in particular a sink, for example a single basin or a double basin, or for the production of decorative surfaces, in particular in the field of facade design or interior design.
- the present invention therefore also relates to a sheet metal product, in particular a kitchen worktop, a sink or a basin, in particular a sink, for example a single basin or a double basin, or a decorative surface comprising a sheet metal material according to the invention.
- FIG. 1 is a schematic side view of an apparatus for solidification irradiation of a sheet metal material, the apparatus comprising two spinner wheels for impinging a front surface of the sheet metal material with solidification jets and two spinner wheels for imparting a back side of the metal sheet material with solidification jets;
- Fig. 2 is a plan view from above of the device for solidification irradiation of the sheet metal material of Fig. 1, with the viewing direction in the direction of the arrow 2 in FIG. 1 ;
- Fig. 3 is a front view of the device for solidification irradiation of the sheet metal material of FIGS. 1 and 2, with the viewing direction in the direction of the arrows 3 in Figs. 1 and 2.
- FIGS. 1 to 3 purely schematically illustrated, as a whole with 100 designated device for solidification irradiation of a sheet metal material 102 includes a plurality, for example four, blast wheels 104, which are arranged in pairs mirror-symmetrical to a vertical transverse center plane 106 of the device 100 and aligned.
- Impeller wheels 104a and 104b are arranged mirror-symmetrically with respect to the vertical transverse center plane 106, and two lower impellers 104c and 104d spaced from the blast wheels 104a and 104b in the vertical direction 108 are also arranged mirror-symmetrically to the vertical transverse center plane 106 relative to one another.
- Each of the spinner wheels 104 is capable of generating in each case a solidification jet 110 of blasting material particles from a blasting material which is supplied to the respective blasting wheel 104 from a blasting material store (not shown) via a blasting material feed device (also not shown). which is directed toward the sheet metal material 102.
- the spinners 104a to 104d thus generate the solidification jets 110a to l 10d.
- each blast wheel 104 comprises a turbine rotating rapidly about a rotation axis 112, each having a plurality of blades (not shown) which receive and accelerate the supplied blasting material, the centrifugal force acting on the co-rotating blasting material accelerating the blasting material particles outwards and finally discharging the blasting material particles via the respective blade edge with the hitherto transmitted kinetic energy from the blast wheel 104 out causes.
- the direction of rotation of the centrifugal wheels 104 is indicated in FIG. 1 by the arrows 114. - -
- FIGS. 1 to 3 Exemplary trajectories of steel-stock particles after discharge from the respective impeller 104 are shown in FIGS. 1 to 3 shown by the arrows 116.
- the axes of rotation 112 of the spinners 104 are preferably in the
- the metal sheet material 102 to be treated is preferably formed as a substantially flat sheet 120 having a length L of, for example, about 3,000 mm to about 5,000 mm in its longitudinal direction 122 and a width B of, for example, about 800, in its transverse direction 124 oriented perpendicular to the longitudinal direction 122 mm to about 2,000 mm
- the sheet metal material 102 could also be formed as a continuous strip material unwound from a strip material roll.
- the average material thickness or thickness D of the sheet metal material 102 is preferably at most about 3 mm, more preferably at most about 2 mm, for example at most about 1.5 mm.
- the average material thickness or thickness D of the sheet metal material 102 is preferably at least about 0.5 mm, more preferably at least about 0.7 mm, for example at least about 0.8 mm.
- the sheet metal material 102 is preferably a stainless steel sheet material. - -
- This stainless steel material has the following chemical composition: 17.0 to 19.5 weight percent Cr; 8.0 to 10.5 weight percent Ni; at most 0.07 weight percent C; at most 1.0 weight percent Si; not more than 2.0% by weight of Mn; at most 0.045 weight percent P; at most 0.015 weight percent S; at most 0.11 weight percent N; Rest Fe.
- the initial surface hardness of this stainless steel sheet before solidification irradiation is about 170 HV to about 180 HV.
- the sheet metal material 102 is moved along the vertical transverse center plane 106 of the apparatus 100 by means of a moving device (not shown) relative to the spinner wheels 104 of the apparatus 100.
- the metal sheet material 102 is preferably fastened to the movement device in such a way that its longitudinal direction 122 is aligned essentially parallel to the horizontal direction 118 and / or its transverse direction 124 is oriented substantially parallel to the vertical direction 108.
- the movement of the sheet metal material 102 by means of the movement device takes place along a movement direction 126 which, for example, is oriented substantially horizontally.
- the feed rate at which the sheet metal material 102 is moved relative to the spinner wheels 104 is, for example, about 1 m / min. - -
- the energy of the impinging blasting material particles acting on the respective surface of the sheet metal material 102 leads to a plastic deformation of the sheet metal material 102 with an accompanying increase in the dislocation density in the metal grid of the layers near the surface of the sheet metal material 102.
- This work hardening also manifests itself in an elevated stress state in the form of the so-called compressive residual stress, which compensates for tensile stresses in the sheet metal material 102, counteracts external tensile stresses and thus increases the fatigue strength of the sheet metal material 102 and makes cracking and crack propagation more difficult.
- a hotspot of a blast wheel 104 in this description and in the appended claims is understood to be the smallest surface in the region of a surface of the sheet metal material 102 relative to the respectively associated blast wheel 104, within which 90 weight per cent of the blasting material ejected by the respective blast wheel 104 the sheet metal material 102 impinges.
- Each hotspot 128 is in the form of a rectangular strip, wherein the width of the strip b, that is to say its extent along the axis of rotation 112 of the respective impeller 104 or along the longitudinal direction 122 of the sheet metal material 102, may be approximately 10 cm, for example, during its height h, that is, its extension perpendicular to the axis of rotation 112 and / or parallel to the transverse direction 124 of the sheet metal material - -
- a hot spot 128 for example, about 150 cm (in FIGS. 1 to 3, the width b and height h of a hot spot 128 are not drawn to scale relative to the length L and the width B of the sheet metal material 102).
- the superposed spinner wheels 104a and 104c on the front side 132 of the sheet metal material 102 and the superjacent spinners 104b and 104d on the rear side 134 of the sheet metal material 102 are arranged and aligned such that the hotspots 128a and 128c of the spinner wheels 104a and 104c in the vertical direction 108 cover the entire width B of the sheet metal material 102 and that the hot spots 128b and 128d of the spinners 104b and 104d also cover substantially the entire width B of the sheet metal material 102 along the vertical direction 108.
- the outer contours of the hotspots 128a and 128c are shown in FIG. 3 is represented by the broken lines 130a and 130c, respectively.
- the hotspots 128a and 128c of superposed spinner wheels 104a and 104c may overlap each other; such an overlap is not mandatory.
- the overlap region of the hotspots 128a and 128c is as low as possible.
- the overlap area of the upper hotspots 128a and 128b is at least 90% of the area of the hotspot 128a.
- the overlapping area of the lower hotspots 128c and 128d is preferably at least 90% of the area of the hotspot 128c.
- the outer contours 130b and 130d of the hotspots 128b and 128d, respectively, are drawn to coincide with the outer contours 130a and 130c of the hotspots 128a and 128c, respectively, such as an ideal 100% overlap between the hotspots 128a, 128c on the front side 132 of the sheet metal material 102 corresponds to the hotspots 128b and 128d at the back 134 of the sheet metal 102, respectively.
- the loading of the front side 132 and the rear side 134 of the sheet metal material 102 begins as soon as a first edge 136 of the sheet metal material 102 in the direction of movement 126 enters the region of the hotspots 128 and ends when a second one lying behind in the direction of movement 126 of the sheet metal material 102 Edge 138 of the sheet metal material 102 leaves the area of the hotspots 128.
- the treatment time is approximately 282 seconds.
- the diameter of each spinner 104 is about 380 mm, for example.
- Each spinner 104 may comprise a turbine with, for example, six blades. - -
- Each blade may, for example, have a blade width of 55 mm.
- Impeller 104 may be ejected, for example, about 88 m / s.
- the shot throughput per spinner 104 may be, for example, about 200 kg / min.
- the drive power of each spinner 104 may be about 11 kW, for example.
- the stainless steel blasting agent can be used, which under the name "Chronital” by the company VULKAN INOX GmbH Abrasive Technology, Gottwaldstr. 21, 45525 Hattingen, Germany.
- the blasting material has an austenitic microstructure.
- the bulk density of the blasting material is about 4.7 kg / dm 3 , for example.
- the surface hardness of the blasting medium in the condition of delivery is for example about 300 HV and in the ready-mixed mixture, for example about 450 HV. - -
- Solidification irradiation is composed, for example, as follows:
- the surface hardened metal sheet material 102 hardened in the manner described above by means of the solidification irradiation apparatus 100 can be used in particular for the production of sheet metal blanks for kitchen countertops or for the production of folding blanks for folded sinks, in particular so-called "zero radius basins".
- the solidified stainless steel sheet material has a gray-silvery color, similar to concrete or stone, and preferably no yellowing.
- the surface of the solidified stainless steel sheet looks dull and used.
- the hardened stainless steel sheet material Due to the surface hardening, the hardened stainless steel sheet material is insensitive to scratching. - -
- the solidification-treated stainless steel sheet material can be further processed by means of the usual techniques, in particular bending technology, welding technology and welding technology.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Laminated Bodies (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013217431.4A DE102013217431A1 (de) | 2013-09-02 | 2013-09-02 | Verfahren zum Härten eines Blechmaterials und gehärtetes Metallblechmaterial |
| PCT/EP2014/067924 WO2015028406A1 (de) | 2013-09-02 | 2014-08-22 | Verfahren zum härten eines blechmaterials und gehärtetes metallblechmaterial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3041963A1 true EP3041963A1 (de) | 2016-07-13 |
| EP3041963B1 EP3041963B1 (de) | 2021-04-21 |
Family
ID=51399652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14755656.7A Active EP3041963B1 (de) | 2013-09-02 | 2014-08-22 | Verfahren zum härten eines blechmaterials und gehärtetes metallblechmaterial |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US10000822B2 (de) |
| EP (1) | EP3041963B1 (de) |
| CA (1) | CA2922443C (de) |
| DE (1) | DE102013217431A1 (de) |
| WO (1) | WO2015028406A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013217431A1 (de) | 2013-09-02 | 2015-03-05 | Blanco Gmbh + Co Kg | Verfahren zum Härten eines Blechmaterials und gehärtetes Metallblechmaterial |
| HUE053057T2 (hu) | 2016-11-23 | 2021-06-28 | Outokumpu Oy | Eljárás komplex-kialakítású komponens elõállítására |
| DE102020105046B4 (de) | 2020-02-26 | 2022-02-17 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung eines Stahlflachprodukts und Verwendung eines solchen Stahlflachprodukts |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH066266B2 (ja) * | 1985-05-10 | 1994-01-26 | 三菱重工業株式会社 | 研掃材投射領域制御方法 |
| JPH079025B2 (ja) * | 1988-06-10 | 1995-02-01 | 電気興業株式会社 | オーステナイト系ステンレス鋼板及びオーステナイト系耐熱鋼板の強化方法 |
| DE4018877A1 (de) * | 1990-06-13 | 1991-12-19 | Grimberg Hans Edelstahl | Verfahren zur behandlung von beschlaegen, rohren, blechen, griffen, platten, nassraumeinrichtungen oder aehnlichen gegenstaenden, die mit wasser in beruehrung kommen und/oder als griffflaeche dienen, aus rostfreiem edelstahl |
| JPH079025A (ja) * | 1993-06-25 | 1995-01-13 | Nippon Steel Corp | 金属板のブラシチャタマーク発生防止方法 |
| DE19952514C1 (de) * | 1999-10-30 | 2001-05-03 | Niro Plan Ag Zug | Küchengeräteeinheit aus Edelstahl mit strukturierter Oberfläche und Verfahren zur Herstellung der strukturierten Oberfläche |
| JP2003211360A (ja) * | 2002-01-15 | 2003-07-29 | Sintokogio Ltd | 鋼材の表面処理方法及びその装置 |
| JPWO2003086708A1 (ja) * | 2002-04-16 | 2005-08-18 | Jfeスチール株式会社 | 金属板の表面処理設備、金属板の製造方法および金属板の製造装置 |
| JP2006249559A (ja) * | 2005-03-14 | 2006-09-21 | Nisshin Steel Co Ltd | ステンレス鋼製面受け板 |
| US7601226B2 (en) * | 2006-09-14 | 2009-10-13 | The Material Works, Ltd. | Slurry blasting apparatus for removing scale from sheet metal |
| SG157979A1 (en) * | 2008-06-24 | 2010-01-29 | Panasonic Refrigeration Device | Method and system for processing a sheet of material |
| FR2970006B1 (fr) | 2010-12-30 | 2013-07-05 | Wheelabrator Allevard | Traitement de surface d'une piece metallique |
| DE102013217431A1 (de) | 2013-09-02 | 2015-03-05 | Blanco Gmbh + Co Kg | Verfahren zum Härten eines Blechmaterials und gehärtetes Metallblechmaterial |
-
2013
- 2013-09-02 DE DE102013217431.4A patent/DE102013217431A1/de not_active Withdrawn
-
2014
- 2014-08-22 EP EP14755656.7A patent/EP3041963B1/de active Active
- 2014-08-22 WO PCT/EP2014/067924 patent/WO2015028406A1/de not_active Ceased
- 2014-08-22 CA CA2922443A patent/CA2922443C/en active Active
-
2016
- 2016-02-29 US US15/056,396 patent/US10000822B2/en active Active
-
2018
- 2018-04-20 US US15/958,787 patent/US10837070B2/en active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2015028406A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180237873A1 (en) | 2018-08-23 |
| US10837070B2 (en) | 2020-11-17 |
| WO2015028406A1 (de) | 2015-03-05 |
| US10000822B2 (en) | 2018-06-19 |
| US20160177409A1 (en) | 2016-06-23 |
| EP3041963B1 (de) | 2021-04-21 |
| CA2922443A1 (en) | 2015-03-05 |
| DE102013217431A1 (de) | 2015-03-05 |
| CA2922443C (en) | 2021-05-11 |
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