FR842224A - Mitten - Google Patents
MittenInfo
- Publication number
- FR842224A FR842224A FR842224DA FR842224A FR 842224 A FR842224 A FR 842224A FR 842224D A FR842224D A FR 842224DA FR 842224 A FR842224 A FR 842224A
- Authority
- FR
- France
- Prior art keywords
- mitten
- 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
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/08—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated through chamber walls
- F27B9/082—Muffle furnaces
- F27B9/084—Muffle furnaces the muffle being fixed and in a single piece
-
- 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
- C21D9/0043—Muffle furnaces; Retort furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US159480A US2145256A (en) | 1937-08-17 | 1937-08-17 | Muffle |
US159481A US2145257A (en) | 1937-08-17 | 1937-08-17 | Muffle |
Publications (1)
Publication Number | Publication Date |
---|---|
FR842224A true FR842224A (en) | 1939-06-08 |
Family
ID=22572756
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842225D Expired FR842225A (en) | 1937-08-17 | 1938-08-17 | Mitten |
FR842224D Expired FR842224A (en) | 1937-08-17 | 1938-08-17 | Mitten |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842225D Expired FR842225A (en) | 1937-08-17 | 1938-08-17 | Mitten |
Country Status (2)
Country | Link |
---|---|
US (2) | US2145257A (en) |
FR (2) | FR842225A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468456A (en) * | 1944-04-15 | 1949-04-26 | Metallurg Processes Co | Furnace muffle and supporting means therefor |
EP1105819B1 (en) | 1998-08-26 | 2008-03-19 | Fractal Edge Limited | Methods and devices for mapping data files |
-
1937
- 1937-08-17 US US159481A patent/US2145257A/en not_active Expired - Lifetime
- 1937-08-17 US US159480A patent/US2145256A/en not_active Expired - Lifetime
-
1938
- 1938-08-17 FR FR842225D patent/FR842225A/en not_active Expired
- 1938-08-17 FR FR842224D patent/FR842224A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2145257A (en) | 1939-01-31 |
FR842225A (en) | 1939-06-08 |
US2145256A (en) | 1939-01-31 |
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