GB1161603A - Improvements relating to Heat Treatment Furnaces - Google Patents
Improvements relating to Heat Treatment FurnacesInfo
- Publication number
- GB1161603A GB1161603A GB5518865A GB5518865A GB1161603A GB 1161603 A GB1161603 A GB 1161603A GB 5518865 A GB5518865 A GB 5518865A GB 5518865 A GB5518865 A GB 5518865A GB 1161603 A GB1161603 A GB 1161603A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shell
- muffle
- gas
- casing
- inner casing
- 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
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
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)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
1,161,603. Heat-treatment furnaces. NEMO HEAT TREATMENTS Ltd. 11 Jan., 1967 [30 Dec., 1965], No. 55188/65. Heading F4B. A furnace for heat treatment of metal components comprises a gas-tight outer shell 1, an inner casing 2 of gas-permeable heat insulating material having hinged flaps 3 in the upper parts of its sides and a movable bung 4 in its bottom, cooling coils 9 between the shell 1 and the casing 2, a muffle 5 within the inner casing 2 in which workpieces can be placed, heating elements 8 between the inner casing 2 and said muffle 5, means for evacuating air and moisture from the furnace and admitting an inert gas, and a fan 7 placed over the muffle 5 for drawing gas either inside the casing 2 when the flaps 3 and bung 4 are closed, or when both are open through the space between the easing 2 and the shell 1 so that said workpieces can be either heated or cooled respectively. A pipe 10 connects the shell 1 to an evacuating pump 11, an inlet for inert gas via valve 15, a pressure switch 17 which helps remove excess pressure in the shell, and a sampling chamber 20 fitted with a moisture detecting device 21.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5518865A GB1161603A (en) | 1965-12-30 | 1965-12-30 | Improvements relating to Heat Treatment Furnaces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5518865A GB1161603A (en) | 1965-12-30 | 1965-12-30 | Improvements relating to Heat Treatment Furnaces |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1161603A true GB1161603A (en) | 1969-08-13 |
Family
ID=10473218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5518865A Expired GB1161603A (en) | 1965-12-30 | 1965-12-30 | Improvements relating to Heat Treatment Furnaces |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1161603A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438688A1 (en) * | 1978-10-14 | 1980-05-09 | Ipsen Ind Int Gmbh | INDUSTRIAL OVEN FOR HEAT TREATMENT OF METAL PARTS |
EP0163906A2 (en) * | 1984-05-08 | 1985-12-11 | Schmetz GmbH & Co. KG Unternehmensverwaltung | Method and vacuum furnace for heat treatment a charge |
GB2194027A (en) * | 1986-07-03 | 1988-02-24 | Pfeiffer Vakuumtechnik | Gas-distributing device |
-
1965
- 1965-12-30 GB GB5518865A patent/GB1161603A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438688A1 (en) * | 1978-10-14 | 1980-05-09 | Ipsen Ind Int Gmbh | INDUSTRIAL OVEN FOR HEAT TREATMENT OF METAL PARTS |
EP0163906A2 (en) * | 1984-05-08 | 1985-12-11 | Schmetz GmbH & Co. KG Unternehmensverwaltung | Method and vacuum furnace for heat treatment a charge |
EP0163906A3 (en) * | 1984-05-08 | 1986-08-20 | Schmetz Industrieofenbau Und Vakuum-Hartlottechnik K.G. | Method and vacuum furnace for heat treatment a charge |
GB2194027A (en) * | 1986-07-03 | 1988-02-24 | Pfeiffer Vakuumtechnik | Gas-distributing device |
GB2194027B (en) * | 1986-07-03 | 1990-04-04 | Pfeiffer Vakuumtechnik | Gas distribution device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |