PL297439A1 - Vacuum-type heat treatment furnace - Google Patents

Vacuum-type heat treatment furnace

Info

Publication number
PL297439A1
PL297439A1 PL29743993A PL29743993A PL297439A1 PL 297439 A1 PL297439 A1 PL 297439A1 PL 29743993 A PL29743993 A PL 29743993A PL 29743993 A PL29743993 A PL 29743993A PL 297439 A1 PL297439 A1 PL 297439A1
Authority
PL
Poland
Prior art keywords
vacuum
heat treatment
type heat
treatment furnace
furnace
Prior art date
Application number
PL29743993A
Other versions
PL170386B1 (en
Inventor
Jozef Olejnik
Original Assignee
Seco Warwick Sp Z Oo
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 Seco Warwick Sp Z Oo filed Critical Seco Warwick Sp Z Oo
Priority to PL29743993A priority Critical patent/PL170386B1/en
Priority to PCT/PL1993/000001 priority patent/WO1994016278A1/en
Publication of PL297439A1 publication Critical patent/PL297439A1/en
Publication of PL170386B1 publication Critical patent/PL170386B1/en

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
    • 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • 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
    • F27B5/14—Arrangements of heating devices
    • 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
    • F27B5/16—Arrangements of air or gas supply devices
    • 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
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow
    • F27B2005/162—Gas inflow or outflow through closable or non-closable openings of the chamber walls
    • 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
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/166—Means to circulate the atmosphere
    • F27B2005/167—Means to circulate the atmosphere the atmosphere being recirculated through the treatment chamber by a turbine
PL29743993A 1993-01-14 1993-01-14 Vacuum-type heat treatment furnace PL170386B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL29743993A PL170386B1 (en) 1993-01-14 1993-01-14 Vacuum-type heat treatment furnace
PCT/PL1993/000001 WO1994016278A1 (en) 1993-01-14 1993-03-04 Vacuum furnace for thermal treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29743993A PL170386B1 (en) 1993-01-14 1993-01-14 Vacuum-type heat treatment furnace

Publications (2)

Publication Number Publication Date
PL297439A1 true PL297439A1 (en) 1994-07-25
PL170386B1 PL170386B1 (en) 1996-12-31

Family

ID=20059371

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29743993A PL170386B1 (en) 1993-01-14 1993-01-14 Vacuum-type heat treatment furnace

Country Status (2)

Country Link
PL (1) PL170386B1 (en)
WO (1) WO1994016278A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5930285A (en) * 1997-05-19 1999-07-27 Ipsen International, Inc. Heating element support for an electric heat treating furnace
US6914218B2 (en) * 2001-10-12 2005-07-05 Wems, Inc. Vacuum oven, system incorporating the same and method of using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799881A (en) * 1986-10-16 1989-01-24 Grier-Mcguire Inc. "Twist-lock" gas nozzle for a heat treating furnace
DE3736502C1 (en) * 1987-10-28 1988-06-09 Degussa Vacuum furnace for the heat treatment of metallic workpieces
DE4113458A1 (en) * 1991-04-25 1992-10-29 Iva Industrieoefen Verfahren A Vacuum furnace for heat treatment of metal parts - has cover walls inside heating chamber to confine carriage area to minimal size thereby increasing cooling effects of blown gas

Also Published As

Publication number Publication date
PL170386B1 (en) 1996-12-31
WO1994016278A1 (en) 1994-07-21

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