FR491107A - Perfectionnements aux fours électriques - Google Patents
Perfectionnements aux fours électriquesInfo
- Publication number
- FR491107A FR491107A FR491107DA FR491107A FR 491107 A FR491107 A FR 491107A FR 491107D A FR491107D A FR 491107DA FR 491107 A FR491107 A FR 491107A
- Authority
- FR
- France
- Prior art keywords
- electric ovens
- ovens
- electric
- 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
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
- F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B1/00—Film strip handling
- G03B1/18—Moving film strip by means which act on the film between the ends thereof
- G03B1/20—Acting means
- G03B1/24—Sprockets engaging holes in the film
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Advancing Webs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US491107XA | 1917-08-06 | 1917-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR491107A true FR491107A (fr) | 1919-05-22 |
Family
ID=21958101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR491107D Expired FR491107A (fr) | 1917-08-06 | 1918-07-31 | Perfectionnements aux fours électriques |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR491107A (fr) |
| GB (1) | GB491107A (fr) |
-
1918
- 1918-07-31 FR FR491107D patent/FR491107A/fr not_active Expired
-
1937
- 1937-06-29 GB GB18108/37A patent/GB491107A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB491107A (en) | 1938-08-26 |
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