CN102781600A - Hot work tool and method for producing same - Google Patents
Hot work tool and method for producing same Download PDFInfo
- Publication number
- CN102781600A CN102781600A CN2011800120629A CN201180012062A CN102781600A CN 102781600 A CN102781600 A CN 102781600A CN 2011800120629 A CN2011800120629 A CN 2011800120629A CN 201180012062 A CN201180012062 A CN 201180012062A CN 102781600 A CN102781600 A CN 102781600A
- Authority
- CN
- China
- Prior art keywords
- coating
- tool
- tool base
- hot
- forming portion
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 40
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 238000005242 forging Methods 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 19
- 239000011159 matrix material Substances 0.000 claims description 14
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 4
- 238000007514 turning Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000007750 plasma spraying Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 15
- 239000012876 carrier material Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 239000011241 protective layer Substances 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
Abstract
The invention relates to a hot work tool, in particular a piercing mandrel or a rolling bar for producing seamless pipes or a forging mandrel for hot forging tubular workpieces made of metal, said tool having a main tool body (2), wherein at least one working area of the main tool body (2) is provided with a coating (4). In order to achieve an improved strength of the coating (4) on the main tool body, according to the invention the main tool body (2) has a profiled surface (5) and the coating (4) is applied to the profiled surface (5). The invention further relates to a method for producing such a hot work tool.
Description
Technical field
The present invention relates to a kind of hot tool (Warmwerkzeug), be particularly useful for making piercer (Lochdorn) or the rolled bar (Walzstange) of seamless pipe or be used for the forging plug (Schmiededorn) of the tubular workpiece that forge hot is made up of metal; This hot tool has tool base; Wherein, this tool base is provided with coating at least in the working region.In addition, the present invention relates to a kind of method that is used to make such hot tool.
Background technology
Known such piercer that is used for to the bar perforation (Lochen) of circle from file DE 10 2,008 056 988 A1.At this, the working region of piercer be provided with during the mandrel body of boring a hole (Dornk rper), reduce heat conduction and stick to the layer on the mandrel body regularly.Importantly, this layer has fixing support (Halt) for the function of this instrument.
Usually knownly in addition for example make the working region coarse in order to improve service life before applying (it relates to thermochemical painting method mostly), to improve adhering to of coating next to be applied through radiation for hot tool or similar member.
Yet demonstrate, coarse surface does not usually guarantee enough adhere to and during coating procedure or application (Einsatz), lose in many cases.So, when mechanical stress or thermal stress affact in the contact area between matrix and coating, sag of protecting coating (absch len).
Summary of the invention
Therefore, the purpose of this invention is to provide the hot tool of the type that a kind of beginning mentions and the method that is used for its manufacturing, utilize it to guarantee, between the matrix of instrument and coating, have combine (Verbund) that improves.Correspondingly, hot tool should have the service life of raising, and especially therefore the manufacturing of seamless pipe becomes more economical.
This purpose is characterised in that through solution of the present invention tool base has surface forming portion (Oberfl chen-Profilierung) and coating is applied in this surface forming portion.
Surface forming portion preferably instrument axially on form at least one undercutting (Hinterschnitt), wherein, surface forming portion especially has a plurality of juts (Erhebung) and recess (Vertiefung) on the surface of tool base.
Tool base preferably is made up of steel.
Coating can be to protect the layer that does not receive heat load and mechanical load.It can apply through thermochemical painting method.
The method that is used to make such hot tool has step according to the present invention:
A) fabrication tool matrix, wherein, the manufacturing of tool base comprises the surface forming portion that produces, wherein, the generation of surface forming portion is preferably passed through machining, is especially realized through turning;
B) coating is applied on the tool base.
When producing surface forming portion, preferably on the surface that processes glossily before the tool base, making has a plurality of juts and recess.At this, jut especially is configured to (stegfoermig) of contact pin shape in radial section, the protuberance of rectangle (Vorsprung) preferably, and it extends on the direction at the longitudinal axis of instrument on the length of regulation and lifts the height above the recess regulation.Preferably, according to above-mentioned steps b) when applying coating, recess utilizes coating to be filled at least the height until jut, wherein, and preferably, the surface of coating even surpass the height of jut.
In above-mentioned steps a) afterwards and at above-mentioned steps b) during, the part of tool base can stand thermochemical conversion, wherein, thermochemical conversion especially comprises iron oxide, the manufacturing of oxide skin (Zunder) particularly preferably.
According to above-mentioned steps b) for example applying also of coating can spray (Flammspritzen) or plasma spraying realizes through flame.
Correspondingly; Tool base obtains with the improvement that combines between the coating thus; The surface that is the carrier material of metal is constructed by processing glossily and the structure that utilize to limit then (by contact pin with its space spaced apart is constituted, preferably through machining, especially make through turning).
Next, can the part of this carrier material be changed into protective layer along the so structurized surface profile of carrier material through thermochemical painting method targetedly.
At this, the degree of depth in the width of contact pin and height and space correspondingly reduces.The protective layer of the outside that will add through thermochemical method is applied on this elementary (prim r) protective layer that conversion produced through carrier material, and it fills up or seal space or the recess that is retained between the contact pin simultaneously.
Through the structure that the application conditions according to instrument of the transition part between carrier material (matrix) and coated layer is optimized in advance with mating, obviously improve adhering to of layer structure and the coming off fully of trapping layer that is realized.
Except the transition part of the improvement between rolling thing and the oxide layer, also improve the extracting characteristic (Greifverhalten) between rolling thing and instrument.
Method that is proposed or illustrated design are suitable for usually and should protect so that can bear the instrument and the member of heat load and mechanical load better through coating.
Description of drawings
Schematically illustrated in the accompanying drawings embodiments of the invention.Wherein:
Fig. 1 has shown the hot tool with the form of piercer with side view;
Fig. 2 has shown the details according to Fig. 1 " Z " for still uncoated tool base;
Fig. 3 has shown for just in the details according to Fig. 1 " Z " of coated tools matrix;
Fig. 4 has shown for the details according to Fig. 1 of the alternative form of implementation of coated tools matrix " Z ";
Fig. 5 shown pass hot tool for first micrograph (Schliffbild) according to the details " Z " of Fig. 1; And
Fig. 6 shown pass hot tool for second micrograph according to the details " Z " of Fig. 1.
The specific embodiment
Shown in Fig. 1 with the hot tool 1 of the form of the piercer that is used to make seamless pipe.Instrument 1 has tool base 2, and it has working region 3, and is extending on the direction of axis a on certain length working region 3.In working region 3, instrument 1 is provided with coating 4, and its protection instrument 1 does not receive heat load or mechanical load.
The accurate structure of instrument as according to the details in the zone " Z " of Fig. 1 that is as the section of tool base 2 shown in Fig. 2 and 3.As can finding out, the outside surface that is in diametrically of tool base 2 has surface forming portion 5, and it is made up of a plurality of juts that stretch out diametrically 6, and jut 6 is arranged between the consequent recess 7.Jut 6 is development length (Betrag) B on axial a, and it preferably is in the scope of about 250 μ m to 4000 μ m.Jut 6 is in the scope of about 500 μ m to 5000 μ m with respect to the height D of recess 7.Spacing A between two juts 7 preferably is in the scope of about 200 μ m to 2000 μ m.
Forming part 5 so is applied on the surface of matrix 2 at this, make its at first by processing glossily and next through machining add, especially turning goes out recess 7 contact pin shape or rectangle in radial section.
After this preprocessing, the surface of tool base 2 is provided with coating 4, as shown in Fig. 3.Total bed thickness C of coating 4 is at this height of filling recess 7 and surpassing jut 6.
Axially observing on a, therefore for the material of coating 4 owing to surface forming portion 5 produces undercutting, thereby coating 4 is very regularly attached on the matrix 2 when tool using 1.
In Fig. 4, can find out an embodiment preferred or solution.With carry out the preprocessing of tool base 2 similarly according to the solution of Fig. 2 and Fig. 3, that is to say at first surface forming portion 5 introduced in the tool base 2 of processing glossily.The trend of forming part is corresponding to the trend according to Fig. 2.
Yet so before applying coating 4 at first the application through thermochemical processing method the part of the material of matrix 2 is changed into protective layer.The material 8 that is transformed equidistantly stretches with respect to forming part 5 and representes with dotted line.At this, the width of jut (contact pin) 6 and in cross section, correspondingly reducing for the degree of depth in the space of rectangle again, as shown in Figure 4.
, coating 4 is being applied on the material layer 8 of conversion like this as the second outside layer between transition phase or next for shown in the instrument of accomplishing like Fig. 4, is that is to say on the elementary or inner protective layer that conversion produced through carrier material.
According in the solution shown in Fig. 4, promptly before applying or produce layer 4 on the carrier material 2 or during, between carrier material (matrix) 2 and layers 4, a structure is provided, its performance (manifestieren) is in the material that has transformed 8.
Can from the diagram Fig. 5 and 6, draw the example of concrete coating.Can identify well through the conversion of contact pin (jut) 6 and filling up the layer 8 inside, porous that is produced and being applied to the outside layer 4 of second on it of space (recess) 7.Inner layer 8 (material of conversion) are current to be constituted and is grown from the surface of matrix or forming part by iron oxide.(expiring) filled through the coating 4 of outside in space between the contact pin (jut).
In embodiment according to Fig. 5 or Fig. 6, carrier material (tool base) utilize iron oxide to apply in other words the material of matrix is converted to iron oxide.Carrier material is current to be steel.In this example, the maximum ga(u)ge of the coating on matrix is about 1000 μ m.
Structurized transition part between carrier material and the coating can design according to using best, thereby can stop coming off fully of during using layer.Thus, especially can significantly improve the service life of instrument 1.
Before using or during, can make the smooth surface of the instrument that is coated through machining, for example grinding and polishing (before application) or rolling (during using).
Surface smooth reduces the friction between instrument and the workpiece (rolling thing).
List of numerals
1 hot tool
2 tool base
3 working regions
4 coating
5 surface forming portions
6 juts
7 recesses
The material of 8 conversions
A is axial
B length
The D height
The A spacing
The total bed thickness of C.
Claims (10)
1. a hot tool (1), the piercer that is particularly useful for making seamless pipe or rolled bar or be used for the forging plug of the tubular workpiece that forge hot is made up of metal; Said hot tool (1) has tool base (2); Wherein, Said tool base (2) is provided with coating (4) at least in working region (3), it is characterized in that
Said tool base (2) has surface forming portion (5), and said coating (4) is applied in the said surface forming portion (5).
2. hot tool according to claim 1; It is characterized in that; Said surface forming portion (5) goes up at axial (a) of said instrument (1) and forms at least one undercutting; Wherein, said surface forming portion (5) especially has the jut (6) and the recess (7) of some on the surface of said tool base (2).
3. hot tool according to claim 1 and 2 is characterized in that, said tool base (2) is made up of steel.
4. according to each described hot tool in the claim 1 to 3, it is characterized in that said coating (4) is to protect the layer that does not receive heat load and mechanical load.
5. according to each described hot tool in the claim 1 to 4, it is characterized in that said coating (4) applies through thermochemical painting method.
6. one kind is used to make hot tool (1), is particularly useful for making the piercer or the rolled bar of seamless pipe or is used for the method for the forging plug of the tubular workpiece that forge hot is made up of metal,
It is characterized in that,
Said method has step:
A) fabrication tool matrix (2), wherein, the manufacturing of said tool base (2) comprises the surface forming portion (5) that produces, wherein, the generation of said surface forming portion (5) is preferably passed through machining, is especially realized through turning;
B) coating (4) is applied on the said tool base (2).
7. method according to claim 6; It is characterized in that; When producing said surface forming portion (5), on the surface of said tool base (2), make the jut (6) and the recess (7) of some, wherein; Said jut (6) especially be configured in radial section contact pin shape, the protuberance of rectangle preferably, its length (B) in regulation goes up extends on the direction of the longitudinal axis (a) of said instrument (1) and it lifts on the height (D) of regulation and surpasses said recess (7).
8. method according to claim 7; It is characterized in that; When step b) according to claim 6 applied said coating (4), said recess (7) utilized said coating (4) to be filled at least the height until said jut (6), wherein; Preferably, the surface of said coating (4) surpasses the height of said jut (6).
9. according to each described method in the claim 6 to 8; It is characterized in that; After step a) according to claim 6 and before step b); The part of said tool base (2) stands thermochemical conversion, and wherein, said thermochemical conversion especially comprises iron oxide, the manufacturing of oxide skin particularly preferably.
10. according to each described method in the claim 6 to 9, it is characterized in that step b) according to claim 6 applies said coating (4) through flame injection, plasma spraying or through thermochemical method realization.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010009954.6 | 2010-03-02 | ||
| DE102010009954 | 2010-03-02 | ||
| DE102011010646A DE102011010646A1 (en) | 2010-03-02 | 2011-02-09 | Hot tool and method for its production |
| DE102011010646.4 | 2011-02-09 | ||
| PCT/EP2011/000643 WO2011107214A1 (en) | 2010-03-02 | 2011-02-11 | Hot work tool and method for producing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102781600A true CN102781600A (en) | 2012-11-14 |
| CN102781600B CN102781600B (en) | 2016-04-06 |
Family
ID=44237620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180012062.9A Active CN102781600B (en) | 2010-03-02 | 2011-02-11 | With the hot tool of coating and the method for its manufacture |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US20130327107A1 (en) |
| EP (1) | EP2542361B1 (en) |
| JP (1) | JP5591352B2 (en) |
| KR (1) | KR101469516B1 (en) |
| CN (1) | CN102781600B (en) |
| AR (1) | AR080439A1 (en) |
| AU (1) | AU2011223236A1 (en) |
| BR (1) | BR112012021887B1 (en) |
| CA (1) | CA2793074C (en) |
| DE (1) | DE102011010646A1 (en) |
| ES (1) | ES2481404T3 (en) |
| MX (1) | MX2012009993A (en) |
| PL (1) | PL2542361T3 (en) |
| RU (1) | RU2508173C1 (en) |
| UA (1) | UA104085C2 (en) |
| WO (1) | WO2011107214A1 (en) |
| ZA (1) | ZA201205816B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107206442A (en) * | 2014-11-07 | 2017-09-26 | 郭桦 | Hot forming tool |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011109071A1 (en) * | 2011-07-30 | 2013-01-31 | Sms Meer Gmbh | Pipe Forging Process with Urformed Hollow Block |
| DE102014000461B4 (en) * | 2014-01-14 | 2017-01-05 | Hua Guo | Inner tool for the production of seamless steel tubes |
| US20180023179A1 (en) * | 2015-02-09 | 2018-01-25 | Nippon Steel & Sumitomo Metal Corporation | Method for Producing Plug |
| DE102015122975B3 (en) * | 2015-12-30 | 2017-03-23 | Wolfgang Dörr | Method for producing a hot forming tool |
| RU2717422C1 (en) * | 2019-04-08 | 2020-03-23 | Публичное акционерное общество "Трубная металлургическая компания" (ПАО "ТМК") | Cooled piercing mandrel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5819363B2 (en) * | 1977-07-09 | 1983-04-18 | 新日本製鐵株式会社 | Core metal for seamless steel pipe drilling machines or rolling mills |
| JPS63192504A (en) * | 1987-02-05 | 1988-08-09 | Nkk Corp | Plug for seamless steel tube manufacturing |
| CH668377A5 (en) * | 1985-12-06 | 1988-12-30 | Walter Brauchli | COMPULSORY CLAMPING TOOL. |
| US5031434A (en) * | 1989-02-28 | 1991-07-16 | Nkk Corporation | Plug for manufacturing seamless steel pipe |
| CN1535774A (en) * | 2003-04-12 | 2004-10-13 | SMS�����ɷݹ�˾ | Method and device for making metal pipe |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1963320A (en) * | 1932-02-23 | 1934-06-19 | Nat Tube Co | Piercing point |
| SU1675004A1 (en) * | 1988-11-14 | 1991-09-07 | Всесоюзный научно-исследовательский и конструкторско-технологический институт трубной промышленности | Arbor for screw rolling |
| DE102005044777A1 (en) * | 2005-09-20 | 2007-03-29 | Sms Meer Gmbh | Method and rolling mill for producing a seamless pipe |
| DE102008056988A1 (en) | 2007-12-07 | 2009-06-10 | Sms Meer Gmbh | Seamless steel pipe producing method for rolling mill, involves providing inner tool in interior of pipe blank, where rotation movement opposite to rotary movement of pipe blank is imposed to piercer |
-
2011
- 2011-02-09 DE DE102011010646A patent/DE102011010646A1/en not_active Withdrawn
- 2011-02-11 US US13/576,875 patent/US20130327107A1/en not_active Abandoned
- 2011-02-11 MX MX2012009993A patent/MX2012009993A/en active IP Right Grant
- 2011-02-11 CN CN201180012062.9A patent/CN102781600B/en active Active
- 2011-02-11 KR KR1020127022572A patent/KR101469516B1/en active IP Right Grant
- 2011-02-11 BR BR112012021887-5A patent/BR112012021887B1/en active IP Right Grant
- 2011-02-11 UA UAA201211361A patent/UA104085C2/en unknown
- 2011-02-11 ES ES11705158.1T patent/ES2481404T3/en active Active
- 2011-02-11 AU AU2011223236A patent/AU2011223236A1/en not_active Abandoned
- 2011-02-11 JP JP2012555318A patent/JP5591352B2/en active Active
- 2011-02-11 PL PL11705158T patent/PL2542361T3/en unknown
- 2011-02-11 EP EP11705158.1A patent/EP2542361B1/en active Active
- 2011-02-11 RU RU2012141882/02A patent/RU2508173C1/en active
- 2011-02-11 CA CA2793074A patent/CA2793074C/en active Active
- 2011-02-11 WO PCT/EP2011/000643 patent/WO2011107214A1/en active Application Filing
- 2011-03-01 AR ARP110100631A patent/AR080439A1/en not_active Application Discontinuation
-
2012
- 2012-08-02 ZA ZA2012/05816A patent/ZA201205816B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5819363B2 (en) * | 1977-07-09 | 1983-04-18 | 新日本製鐵株式会社 | Core metal for seamless steel pipe drilling machines or rolling mills |
| CH668377A5 (en) * | 1985-12-06 | 1988-12-30 | Walter Brauchli | COMPULSORY CLAMPING TOOL. |
| JPS63192504A (en) * | 1987-02-05 | 1988-08-09 | Nkk Corp | Plug for seamless steel tube manufacturing |
| US5031434A (en) * | 1989-02-28 | 1991-07-16 | Nkk Corporation | Plug for manufacturing seamless steel pipe |
| CN1535774A (en) * | 2003-04-12 | 2004-10-13 | SMS�����ɷݹ�˾ | Method and device for making metal pipe |
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| Title |
|---|
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| 黎樵燊等: "《金属表面热喷涂技术》", 31 May 2009, article ""金属表面热喷涂技术"，黎樵燊等，第119-150页，化学工业出版社，2009年5月第一版", pages: 119-150 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107206442A (en) * | 2014-11-07 | 2017-09-26 | 郭桦 | Hot forming tool |
| CN107206442B (en) * | 2014-11-07 | 2020-04-07 | 郭桦 | Thermoforming tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5591352B2 (en) | 2014-09-17 |
| KR20120112840A (en) | 2012-10-11 |
| AU2011223236A1 (en) | 2012-10-25 |
| UA104085C2 (en) | 2013-12-25 |
| EP2542361A1 (en) | 2013-01-09 |
| BR112012021887A2 (en) | 2020-09-01 |
| CA2793074A1 (en) | 2011-09-09 |
| JP2013521128A (en) | 2013-06-10 |
| MX2012009993A (en) | 2012-11-23 |
| ES2481404T3 (en) | 2014-07-30 |
| DE102011010646A1 (en) | 2011-09-08 |
| RU2508173C1 (en) | 2014-02-27 |
| CN102781600B (en) | 2016-04-06 |
| KR101469516B1 (en) | 2014-12-09 |
| EP2542361B1 (en) | 2014-06-18 |
| US20130327107A1 (en) | 2013-12-12 |
| ZA201205816B (en) | 2013-03-27 |
| AR080439A1 (en) | 2012-04-11 |
| CA2793074C (en) | 2015-06-02 |
| BR112012021887B1 (en) | 2021-06-22 |
| PL2542361T3 (en) | 2014-12-31 |
| WO2011107214A1 (en) | 2011-09-09 |
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