FR834570A - Chalumeau à fente convenant spécialement au durcissement des surfaces - Google Patents
Chalumeau à fente convenant spécialement au durcissement des surfacesInfo
- Publication number
- FR834570A FR834570A FR834570DA FR834570A FR 834570 A FR834570 A FR 834570A FR 834570D A FR834570D A FR 834570DA FR 834570 A FR834570 A FR 834570A
- Authority
- FR
- France
- Prior art keywords
- slotted
- especially suitable
- hardening surfaces
- torch
- torch especially
- 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
- C21D1/06—Surface hardening
- C21D1/08—Surface hardening with flames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/52—Nozzles for torches; for blow-pipes
- F23D14/54—Nozzles for torches; for blow-pipes for cutting or welding metal
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Gas Burners (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEI57266D DE679687C (de) | 1937-03-03 | 1937-03-03 | Schlitzbrenner, insbesondere fuer die Oberflaechenhaertung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR834570A true FR834570A (fr) | 1938-11-24 |
Family
ID=7194527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR834570D Expired FR834570A (fr) | 1937-03-03 | 1938-03-02 | Chalumeau à fente convenant spécialement au durcissement des surfaces |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT156783B (fr) |
DE (1) | DE679687C (fr) |
FR (1) | FR834570A (fr) |
GB (1) | GB512431A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE874890C (de) * | 1940-10-30 | 1953-04-27 | Hoerder Huettenunion Ag | Vorrichtung zum Anwaermen von staehlernen Wirbelbaendern fuer die Herstellung von gewickelten Hochdruckrohren und Hochdruckgefaessen |
US3351048A (en) * | 1964-09-11 | 1967-11-07 | Fostoria Fannon Inc | Infra-red gas burner structure |
US3375981A (en) * | 1965-11-19 | 1968-04-02 | Julian W. Keck | Apparatus for cleaning and inhibiting corrosion in air preheaters and the like |
-
1937
- 1937-03-03 DE DEI57266D patent/DE679687C/de not_active Expired
-
1938
- 1938-02-28 AT AT156783D patent/AT156783B/de active
- 1938-03-02 FR FR834570D patent/FR834570A/fr not_active Expired
- 1938-03-02 GB GB655938A patent/GB512431A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT156783B (de) | 1939-08-25 |
GB512431A (en) | 1939-09-15 |
DE679687C (de) | 1939-08-14 |
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