EP2716785A3 - Method and device for soft annealing of aluminium tubes - Google Patents
Method and device for soft annealing of aluminium tubes Download PDFInfo
- Publication number
- EP2716785A3 EP2716785A3 EP13187218.6A EP13187218A EP2716785A3 EP 2716785 A3 EP2716785 A3 EP 2716785A3 EP 13187218 A EP13187218 A EP 13187218A EP 2716785 A3 EP2716785 A3 EP 2716785A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- soft annealing
- aluminium tubes
- annealing
- tube
- tube blanks
- 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.)
- Withdrawn
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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
-
- 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
- C21D1/26—Methods of annealing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
- F27B2017/0091—Series of chambers, e.g. associated in their use
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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 Articles (AREA)
- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
Die Erfindung betrifft einen Tubenglühofen (1) zum Weichglühen von Tubenrohlingen (5), insbesondere aus Aluminium, umfassend einen Ofenkörper (2;2,3) mit einer oder mehreren zylinderförmigen Kammern (4;8) zur Aufnahme von Tubenrohlingen (5), und eine im Ofenkörper (2;2,3) integrierte Heizvorrichtung (12a,12b) zum Aufheizen der Tubenrohlinge (5) durch Wärmeleitung. The invention relates to a tube annealing furnace (1) for soft annealing tube blanks (5), in particular made of aluminum, comprising a furnace body (2, 2, 3) with one or more cylindrical chambers (4, 8) for receiving tube blanks (5), and a heating device (12a, 12b) integrated in the furnace body (2, 2, 3) for heating the tube blanks (5) by heat conduction.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012109436.5A DE102012109436B4 (en) | 2012-10-04 | 2012-10-04 | Method and apparatus for soft annealing aluminum tubes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2716785A2 EP2716785A2 (en) | 2014-04-09 |
EP2716785A3 true EP2716785A3 (en) | 2018-01-03 |
Family
ID=49322228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13187218.6A Withdrawn EP2716785A3 (en) | 2012-10-04 | 2013-10-03 | Method and device for soft annealing of aluminium tubes |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2716785A3 (en) |
DE (1) | DE102012109436B4 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB777144A (en) * | 1954-11-20 | 1957-06-19 | Incandescent Heat Co Ltd | An improved method and means for annealing and cooling metallic tubes or bars |
US2913768A (en) * | 1953-11-25 | 1959-11-24 | American Can Co | Method for printing and forming non-circular tubular plastic bodies |
WO2011143715A1 (en) * | 2010-05-20 | 2011-11-24 | Garry Lee Stokes | Apparatus for cleaning a metal transfer pipe |
-
2012
- 2012-10-04 DE DE102012109436.5A patent/DE102012109436B4/en not_active Expired - Fee Related
-
2013
- 2013-10-03 EP EP13187218.6A patent/EP2716785A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2913768A (en) * | 1953-11-25 | 1959-11-24 | American Can Co | Method for printing and forming non-circular tubular plastic bodies |
GB777144A (en) * | 1954-11-20 | 1957-06-19 | Incandescent Heat Co Ltd | An improved method and means for annealing and cooling metallic tubes or bars |
WO2011143715A1 (en) * | 2010-05-20 | 2011-11-24 | Garry Lee Stokes | Apparatus for cleaning a metal transfer pipe |
Also Published As
Publication number | Publication date |
---|---|
EP2716785A2 (en) | 2014-04-09 |
DE102012109436B4 (en) | 2015-12-03 |
DE102012109436A1 (en) | 2014-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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PUAL | Search report despatched |
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Extension state: BA ME |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22F 1/04 20060101AFI20171129BHEP Ipc: C21D 9/08 20060101ALI20171129BHEP Ipc: F27B 17/00 20060101ALI20171129BHEP Ipc: C21D 9/00 20060101ALI20171129BHEP Ipc: C21D 1/26 20060101ALI20171129BHEP |
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17P | Request for examination filed |
Effective date: 20180522 |
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RBV | Designated contracting states (corrected) |
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 |
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GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F27B 17/00 20060101AFI20180621BHEP Ipc: F27B 5/06 20060101ALI20180621BHEP Ipc: C21D 9/08 20060101ALI20180621BHEP Ipc: C21D 9/00 20060101ALI20180621BHEP Ipc: C21D 1/26 20060101ALI20180621BHEP |
|
INTG | Intention to grant announced |
Effective date: 20180719 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20181130 |