GB1394198A - Annealing furnace and method for its operation - Google Patents

Annealing furnace and method for its operation

Info

Publication number
GB1394198A
GB1394198A GB2713974A GB2713974A GB1394198A GB 1394198 A GB1394198 A GB 1394198A GB 2713974 A GB2713974 A GB 2713974A GB 2713974 A GB2713974 A GB 2713974A GB 1394198 A GB1394198 A GB 1394198A
Authority
GB
United Kingdom
Prior art keywords
furnace
coil
vestibule
vestibule means
sept
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
Application number
GB2713974A
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.)
Sunbeam Oster Co Inc
Original Assignee
Allegheny Ludlum Industries Inc
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 Allegheny Ludlum Industries Inc filed Critical Allegheny Ludlum Industries Inc
Publication of GB1394198A publication Critical patent/GB1394198A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Tunnel Furnaces (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Furnace Details (AREA)

Abstract

1394198 Continuous heat treatment furnaces ALLEGHENY LUDLUM INDUSTRIES Inc 15 Sept 1972 [17 Sept 1971] 27139/74 Divided out of 1394197 Heading F4B [Also in Division C7] The subject-matter of this Specification is substantially the same as that disclosed in Specification 1,394,197, but the claims are concerned with a method for heat treating strip material in coil form which comprises positioning a coil in vestibule means at the entrance end of an elongated furnace, sealing said vestibule means and purging the same of gaseous contaminants, thereafter transferring the coil from the vestibule means to the furnace and moving said coil from the entrance end of the furnace through successive heating and cooling zones of the furnace while circulating through said furnace a non-oxidizing gas, and finally removing the coil from the exit end of said furnace, said coil being heated within an initial furnace section and after it has been transferred into the furnace from the vestibule means while the space around the coil is evacuated before the coil is subjected to said non-oxidizing gas within the furnace, whereby water of hydration will be removed from the surfaces of said strip material.
GB2713974A 1971-09-17 1972-09-15 Annealing furnace and method for its operation Expired GB1394198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18150471A 1971-09-17 1971-09-17

Publications (1)

Publication Number Publication Date
GB1394198A true GB1394198A (en) 1975-05-14

Family

ID=22664547

Family Applications (4)

Application Number Title Priority Date Filing Date
GB2714074A Expired GB1394199A (en) 1971-09-17 1972-09-15 Annealing furnace and method for its operation
GB2713974A Expired GB1394198A (en) 1971-09-17 1972-09-15 Annealing furnace and method for its operation
GB2714174A Expired GB1394200A (en) 1971-09-17 1972-09-15
GB4287872A Expired GB1394197A (en) 1971-09-17 1972-09-15 Annealing furnace and method for its operation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2714074A Expired GB1394199A (en) 1971-09-17 1972-09-15 Annealing furnace and method for its operation

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB2714174A Expired GB1394200A (en) 1971-09-17 1972-09-15
GB4287872A Expired GB1394197A (en) 1971-09-17 1972-09-15 Annealing furnace and method for its operation

Country Status (13)

Country Link
JP (2) JPS5627580B2 (en)
AT (1) AT329104B (en)
AU (1) AU474698B2 (en)
BE (1) BE788908A (en)
BR (1) BR7206463D0 (en)
CA (1) CA970964A (en)
DE (1) DE2244913C2 (en)
ES (1) ES406750A1 (en)
FR (1) FR2152930B1 (en)
GB (4) GB1394199A (en)
IT (1) IT965376B (en)
PL (1) PL74015B1 (en)
SE (2) SE440367B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167426A (en) * 1978-04-20 1979-09-11 Allegheny Ludlum Industries, Inc. Method for annealing silicon steel
JPS5919187B2 (en) * 1978-05-15 1984-05-02 中川株式会社 Bright annealing method
JPS5716131A (en) * 1980-06-30 1982-01-27 Daido Steel Co Ltd Operation of annealer for metal strip coil
AT395321B (en) * 1983-07-05 1992-11-25 Ebner Ind Ofenbau METHOD FOR COOLING CHARGES IN DISCONTINUOUSLY WORKING INDUSTRIAL OVENS, ESPECIALLY STEEL WIRE OR TAPE BANDS IN DOME GLUES
JPS6126528A (en) * 1984-07-14 1986-02-05 Hoya Corp Apparatus for producing pressed lens
GB0029281D0 (en) 2000-11-30 2001-01-17 Boc Group Plc Quenching Method & Apparatus
JP7196447B2 (en) * 2018-07-25 2022-12-27 大同特殊鋼株式会社 Continuous atmosphere heat treatment furnace
CN113265524A (en) * 2021-05-19 2021-08-17 哈尔滨电机厂有限责任公司 High-temperature anti-oxidation method for forging and welding shaft part sliding rotor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3063878A (en) * 1958-05-07 1962-11-13 Wilson Lee Method of and apparatus for annealing

Also Published As

Publication number Publication date
FR2152930A1 (en) 1973-04-27
GB1394200A (en) 1975-05-14
SE440368B (en) 1985-07-29
AU474698B2 (en) 1976-07-29
GB1394197A (en) 1975-05-14
JPS5627580B2 (en) 1981-06-25
JPS4838214A (en) 1973-06-05
SE7511643L (en) 1975-10-16
BR7206463D0 (en) 1973-09-13
DE2244913A1 (en) 1973-03-22
GB1394199A (en) 1975-05-14
ES406750A1 (en) 1975-10-01
JPS5677325A (en) 1981-06-25
IT965376B (en) 1974-01-31
CA970964A (en) 1975-07-15
PL74015B1 (en) 1974-10-30
JPS5735247B2 (en) 1982-07-28
AU4634972A (en) 1974-03-14
SE440367B (en) 1985-07-29
FR2152930B1 (en) 1977-01-14
AT329104B (en) 1976-04-26
DE2244913C2 (en) 1985-06-05
ATA787972A (en) 1975-07-15
BE788908A (en) 1973-03-15

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee