GB579046A - Chemical immersion heater - Google Patents
Chemical immersion heaterInfo
- Publication number
- GB579046A GB579046A GB1568040A GB1568040A GB579046A GB 579046 A GB579046 A GB 579046A GB 1568040 A GB1568040 A GB 1568040A GB 1568040 A GB1568040 A GB 1568040A GB 579046 A GB579046 A GB 579046A
- Authority
- GB
- United Kingdom
- Prior art keywords
- composition
- fuse
- china clay
- heating
- container
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/30—Devices for warming by making use of burning cartridges or other chemical substances
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
579,046. Heating by chemical action. CALDWELL, W. A., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 25, 1940, No. 15680. [Class 64 (ii)] An immersion heater suitable for heating water or liquid foods comprises a compositior which may be ignited and undergoes chemical reaction without evolving inflammable gas The composition may be placed in a con tainer with a fuse and a vent extending out side. Heat insulation e.g., asbestos paper is interposed between the heating charge anc the container, or the container may be of poorly conducting material. The container may be re-charged for use again, and may accommodate charges of different sizes. The charge is calcium silicide and red lead and/oi iron oxide. The intensity of the reaction may be varied by varying the proportions of the ingredients, or by adding talc or china clay. The ignition means may be a length of touch paper coated with a nitrocellulose composition and dusted with a slag-forming igniting mixture, or a length of quick match fuse, or percussion or friction ignition means may be used. An intermediate priming charge may be used. The containing tube may be steel, tin plate, brass or silica, and it may be lined with asbestos, or china clay and sodium silicate. The vent contains a filtering plug of glass wool or asbestos wool, and the vent and ignition means may be temporarily closed for storage and transport. The outer case 1 of steel is cylindrical at one end and flattened at the other. A lining 2 of china clay and sodium silicate encloses a composition of calcium silicide 35 parts, red lead 65 parts, and talc 8 parts, surmounted by a pad 4 of glass wool. A fuse 5 extends from the open end down to a priming composition 6 of calcium silicide and red lead. The top is closed by adhesive tape 7. In a modification, Fig. 4, the tube 1 is closed by a perforated cap 2 and is lined at 5, 7 with china clay and sodium silicate to receive two charges 6 of heating composition. A layer 8 of ignition composition is carried by a perforated plate 9 having a tubular extension 12 through which passes a fuse 11. A plug 16 of glass wool is retained by a spring 17. This modification may be reloaded after use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1568040A GB579046A (en) | 1940-10-25 | 1940-10-25 | Chemical immersion heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1568040A GB579046A (en) | 1940-10-25 | 1940-10-25 | Chemical immersion heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB579046A true GB579046A (en) | 1946-07-22 |
Family
ID=10063485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1568040A Expired GB579046A (en) | 1940-10-25 | 1940-10-25 | Chemical immersion heater |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB579046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0361958A1 (en) * | 1988-09-30 | 1990-04-04 | Nissin Shokuhin Kabushiki Kaisha | Ignition mechanism for an instantly heating container |
-
1940
- 1940-10-25 GB GB1568040A patent/GB579046A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0361958A1 (en) * | 1988-09-30 | 1990-04-04 | Nissin Shokuhin Kabushiki Kaisha | Ignition mechanism for an instantly heating container |
| US5096413A (en) * | 1988-09-30 | 1992-03-17 | Nissin Shokuhin Kabushiki Kaisha | Ignition mechanism for a heater |
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