GB431255A - Improvements in envelopes or containers for chemical heating compositions - Google Patents
Improvements in envelopes or containers for chemical heating compositionsInfo
- Publication number
- GB431255A GB431255A GB815535A GB815535A GB431255A GB 431255 A GB431255 A GB 431255A GB 815535 A GB815535 A GB 815535A GB 815535 A GB815535 A GB 815535A GB 431255 A GB431255 A GB 431255A
- Authority
- GB
- United Kingdom
- Prior art keywords
- envelope
- envelopes
- containers
- paper
- chemical heating
- 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
- A47J36/28—Warming devices generating the heat by exothermic reactions, e.g. heat released by the contact of unslaked lime with water
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
431,255. Heating by chemical action. GUTWIRTH, K., 6, Zderaz, Prague. March 15, 1935, No. 8155. [Class 64 (ii)] An envelope or container for a chemical heating composition comprises an outer cover 1 of wrapping paper with an inner envelope 2 of comparatively porous paper which is made airtight over most of its surface by an adherent covering of thin parchment paper 3. Spaces 4 are left uncovered and remain porous. The envelope is closed, or opened in order to add water to the heating composition to generate heat, by folding over the part 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB815535A GB431255A (en) | 1935-03-15 | 1935-03-15 | Improvements in envelopes or containers for chemical heating compositions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB815535A GB431255A (en) | 1935-03-15 | 1935-03-15 | Improvements in envelopes or containers for chemical heating compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB431255A true GB431255A (en) | 1935-07-03 |
Family
ID=9846799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB815535A Expired GB431255A (en) | 1935-03-15 | 1935-03-15 | Improvements in envelopes or containers for chemical heating compositions |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB431255A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2573791A (en) * | 1947-04-19 | 1951-11-06 | John N M Howells | Heat applying bandage |
JPS5054188A (en) * | 1973-09-08 | 1975-05-13 |
-
1935
- 1935-03-15 GB GB815535A patent/GB431255A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2573791A (en) * | 1947-04-19 | 1951-11-06 | John N M Howells | Heat applying bandage |
JPS5054188A (en) * | 1973-09-08 | 1975-05-13 | ||
JPS5313914B2 (en) * | 1973-09-08 | 1978-05-13 |
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