GB1259726A - Improved bell-type furnace - Google Patents

Improved bell-type furnace

Info

Publication number
GB1259726A
GB1259726A GB19737/71A GB1973771A GB1259726A GB 1259726 A GB1259726 A GB 1259726A GB 19737/71 A GB19737/71 A GB 19737/71A GB 1973771 A GB1973771 A GB 1973771A GB 1259726 A GB1259726 A GB 1259726A
Authority
GB
United Kingdom
Prior art keywords
type furnace
improved bell
jan
bell
furnace
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
GB19737/71A
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.)
Bethlehem Steel Corp
Original Assignee
Bethlehem Steel Corp
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 Bethlehem Steel Corp filed Critical Bethlehem Steel Corp
Publication of GB1259726A publication Critical patent/GB1259726A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F27B11/00—Bell-type furnaces
    • 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
    • C21D9/663—Bell-type furnaces
    • 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
    • C21D9/663—Bell-type furnaces
    • C21D9/673—Details, accessories, or equipment peculiar to bell-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • C23C10/08—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases only one element being diffused
    • C23C10/10—Chromising
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface
    • C23C10/32—Chromising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

1,259,726. Heat treatment furnaces. BETHLEHEM STEEL CORP. 5 Jan., 1970 [13 Jan., 1969], No. 19737/71. Divided out of 1,259,725. Heading F4B. The Specification discloses the same subject matter as Specification 1,259,725 but the claims relate to the construction of the gas-tight sheath of the furnace.
GB19737/71A 1969-01-13 1970-01-05 Improved bell-type furnace Expired GB1259726A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79057869A 1969-01-13 1969-01-13

Publications (1)

Publication Number Publication Date
GB1259726A true GB1259726A (en) 1972-01-12

Family

ID=25151129

Family Applications (2)

Application Number Title Priority Date Filing Date
GB446/70A Expired GB1259725A (en) 1969-01-13 1970-01-05 Improved bell-type furnace
GB19737/71A Expired GB1259726A (en) 1969-01-13 1970-01-05 Improved bell-type furnace

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB446/70A Expired GB1259725A (en) 1969-01-13 1970-01-05 Improved bell-type furnace

Country Status (8)

Country Link
US (1) US3554511A (en)
JP (1) JPS5017425B1 (en)
BE (1) BE744269A (en)
CA (1) CA936685A (en)
DE (1) DE2001006A1 (en)
FR (1) FR2033234A1 (en)
GB (2) GB1259725A (en)
NL (1) NL7000379A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728848A2 (en) * 1995-02-24 1996-08-28 Peter Helmut Dipl.-Ing. Ebner Base for bell type furnaces

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693955A (en) * 1971-03-15 1972-09-26 Bethlehem Steel Corp Component annealing base
US3860224A (en) * 1973-10-19 1975-01-14 Eveleth Taconite Company Apparatus for use in pelletizing ore
US4867675A (en) * 1988-06-15 1989-09-19 Blackman Calvin C Method and apparatus for quickly purging atmosphere gas from bell furnace
US5006064A (en) * 1989-12-28 1991-04-09 Alloy Engineering Company Furnace seal
GB2262153A (en) * 1991-11-12 1993-06-09 Apv Corp Ltd Insulated panels for heated or cooled enclosures
DE4327975A1 (en) * 1993-08-19 1995-02-23 Loi Ind Ofenanlagen Method and device for exchanging the atmosphere in a bell annealer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998236A (en) * 1956-07-16 1961-08-29 Cramer Hans Method of annealing in bell furnaces

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728848A2 (en) * 1995-02-24 1996-08-28 Peter Helmut Dipl.-Ing. Ebner Base for bell type furnaces
EP0728848A3 (en) * 1995-02-24 1996-10-23 Ebner Peter H Base for bell type furnaces
CN1101926C (en) * 1995-02-24 2003-02-19 彼得·H·埃布纳 Annealing base for hood-type annealing furnaces

Also Published As

Publication number Publication date
DE2001006A1 (en) 1970-07-23
BE744269A (en) 1970-07-09
NL7000379A (en) 1970-07-15
JPS5017425B1 (en) 1975-06-20
CA936685A (en) 1973-11-13
US3554511A (en) 1971-01-12
GB1259725A (en) 1972-01-12
FR2033234A1 (en) 1970-12-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees