JPS5220913A - Vacuum heat treatment apparatus - Google Patents
Vacuum heat treatment apparatusInfo
- Publication number
- JPS5220913A JPS5220913A JP9290875A JP9290875A JPS5220913A JP S5220913 A JPS5220913 A JP S5220913A JP 9290875 A JP9290875 A JP 9290875A JP 9290875 A JP9290875 A JP 9290875A JP S5220913 A JPS5220913 A JP S5220913A
- Authority
- JP
- Japan
- Prior art keywords
- heat treatment
- treatment apparatus
- vacuum heat
- cooling gas
- cooling
- 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.)
- Granted
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
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)
- Furnace Details (AREA)
Abstract
PURPOSE:In cooling by circulating cooling gas in a vlcuum heat treatment apparatus, the passage for the cooling gas is let to be automatically formed without adding any operation from the outside, whereby attachments for the vacuum heat treatment apparatus such as seals, drive, etc. are reduced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9290875A JPS5839888B2 (en) | 1975-07-29 | 1975-07-29 | Synchronization |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9290875A JPS5839888B2 (en) | 1975-07-29 | 1975-07-29 | Synchronization |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5220913A true JPS5220913A (en) | 1977-02-17 |
JPS5839888B2 JPS5839888B2 (en) | 1983-09-02 |
Family
ID=14067572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9290875A Expired JPS5839888B2 (en) | 1975-07-29 | 1975-07-29 | Synchronization |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5839888B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2610007A1 (en) * | 1987-01-22 | 1988-07-29 | Bmi Fours Ind | Vertical industrial oven with peripheral ventilation |
-
1975
- 1975-07-29 JP JP9290875A patent/JPS5839888B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2610007A1 (en) * | 1987-01-22 | 1988-07-29 | Bmi Fours Ind | Vertical industrial oven with peripheral ventilation |
Also Published As
Publication number | Publication date |
---|---|
JPS5839888B2 (en) | 1983-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5276758A (en) | Absorption-type heat pump | |
JPS5231320A (en) | Driving appliance for inductin motor | |
JPS5227400A (en) | Power source device | |
JPS5220913A (en) | Vacuum heat treatment apparatus | |
JPS5263877A (en) | Pulling up apparatus of single crystal | |
JPS51147869A (en) | Turn table equipment driven by linear motor | |
JPS51135078A (en) | Moving rack | |
JPS527562A (en) | Pick-and-place unit | |
JPS52132409A (en) | Load operation for fan and others driven by motor | |
JPS52143660A (en) | Industrial robot device | |
JPS526034A (en) | Magnetic bubble drive unit | |
JPS5214363A (en) | Can-sealed power transistor | |
JPS53131436A (en) | Prevention of insulation-deterioration in high voltage thyrister valve | |
JPS5270557A (en) | Ventilation cylinder utilizing congregated chimney | |
JPS5219961A (en) | Air tight sealed electric part manufacturing process | |
JPS5212522A (en) | Information processing device | |
JPS51128680A (en) | An ion-applied heat treatment furnace | |
JPS51132049A (en) | Arithmetic unit of key operation according to expressions | |
JPS5246240A (en) | Engine cooling fan driving mechanism | |
JPS5257529A (en) | Sealing method of sheathed heater | |
JPS53105361A (en) | Exhauster | |
JPS521714A (en) | Vacum apparatus | |
JPS5257934A (en) | Inverter | |
JPS5245513A (en) | Equipment for local exhausting in electrolytic furnace of aluminium | |
JPS5240281A (en) | Controller |