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DE59003173D1 - Process for annealing metal parts under a hydrogen-rich protective gas in a continuous furnace. - Google Patents

Process for annealing metal parts under a hydrogen-rich protective gas in a continuous furnace.

Info

Publication number
DE59003173D1
DE59003173D1 DE90100679T DE59003173T DE59003173D1 DE 59003173 D1 DE59003173 D1 DE 59003173D1 DE 90100679 T DE90100679 T DE 90100679T DE 59003173 T DE59003173 T DE 59003173T DE 59003173 D1 DE59003173 D1 DE 59003173D1
Authority
DE
Germany
Prior art keywords
hydrogen
metal parts
protective gas
continuous furnace
parts under
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.)
Expired - Fee Related
Application number
DE90100679T
Other languages
German (de)
Inventor
Reinhard Dipl Ing Strigl
Alexander Dipl Ing Jurmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Linde GmbH filed Critical Linde GmbH
Application granted granted Critical
Publication of DE59003173D1 publication Critical patent/DE59003173D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C21D9/562—Details
    • C21D9/565—Sealing arrangements
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Furnace Details (AREA)
DE90100679T 1989-01-17 1990-01-13 Process for annealing metal parts under a hydrogen-rich protective gas in a continuous furnace. Expired - Fee Related DE59003173D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3901215 1989-01-17
DE3926417A DE3926417A1 (en) 1989-01-17 1989-08-10 METHOD FOR GLOWING METAL PARTS UNDER HYDROGEN PROTECTIVE GAS IN A CONTINUOUS OVEN

Publications (1)

Publication Number Publication Date
DE59003173D1 true DE59003173D1 (en) 1993-12-02

Family

ID=25876844

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3926417A Withdrawn DE3926417A1 (en) 1989-01-17 1989-08-10 METHOD FOR GLOWING METAL PARTS UNDER HYDROGEN PROTECTIVE GAS IN A CONTINUOUS OVEN
DE90100679T Expired - Fee Related DE59003173D1 (en) 1989-01-17 1990-01-13 Process for annealing metal parts under a hydrogen-rich protective gas in a continuous furnace.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3926417A Withdrawn DE3926417A1 (en) 1989-01-17 1989-08-10 METHOD FOR GLOWING METAL PARTS UNDER HYDROGEN PROTECTIVE GAS IN A CONTINUOUS OVEN

Country Status (3)

Country Link
EP (1) EP0379104B1 (en)
JP (1) JPH02228420A (en)
DE (2) DE3926417A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2601378B2 (en) * 1991-03-13 1997-04-16 日新製鋼株式会社 Method and apparatus for recovering atmosphere gas of heat treatment furnace
DE4225982A1 (en) * 1992-08-06 1994-02-10 Linde Ag Process for the continuous annealing of metallic material under a hydrogen-rich protective gas
BE1015109A3 (en) 2002-09-13 2004-10-05 Drever Internat S A Process traitemant thermal metal strip.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD31283A (en) *
GB995883A (en) * 1962-07-05 1965-06-23 Davy & United Eng Co Ltd Continuous heat treatment of metal strip
US3223396A (en) * 1963-04-22 1965-12-14 Hayes Inc C I Heat treatment apparatus
GB2108156B (en) * 1981-09-19 1986-01-15 British Oxygen Co Ltd Heat treatment of metals
FR2612619B1 (en) * 1987-03-17 1989-07-13 Air Liquide PROCESS FOR LIMITING AIR INTAKE IN AN OVEN AND OVEN FOR CARRYING OUT THIS METHOD
FR2628752B1 (en) * 1988-03-16 1993-01-15 Air Liquide METHOD AND DEVICE FOR THE TREATMENT OF ANNEALING OF METAL STRIPS IN VERTICAL OVEN
DE3809516A1 (en) * 1988-03-22 1989-10-05 Messer Griesheim Gmbh Method for supplying inert gas and reaction gas to a vertical or horizontal annealing unit

Also Published As

Publication number Publication date
DE3926417A1 (en) 1990-07-19
EP0379104A1 (en) 1990-07-25
JPH02228420A (en) 1990-09-11
EP0379104B1 (en) 1993-10-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: LINDE GAS AG, 82049 HOELLRIEGELSKREUTH, DE

8327 Change in the person/name/address of the patent owner

Owner name: LINDE AG, 65189 WIESBADEN, DE

8327 Change in the person/name/address of the patent owner

Owner name: LINDE AG, 80807 MUENCHEN, DE

8339 Ceased/non-payment of the annual fee