JPS55135188A - Heating structure - Google Patents
Heating structureInfo
- Publication number
- JPS55135188A JPS55135188A JP4191879A JP4191879A JPS55135188A JP S55135188 A JPS55135188 A JP S55135188A JP 4191879 A JP4191879 A JP 4191879A JP 4191879 A JP4191879 A JP 4191879A JP S55135188 A JPS55135188 A JP S55135188A
- Authority
- JP
- Japan
- Prior art keywords
- heating
- gas
- composition
- alumina
- metal halide
- 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.)
- Granted
Links
Abstract
PURPOSE:To permit smooth heating, keeping of constant heating temperature, and control of heating temperature at our disposal by covering a heating composition containing metallic iron, silicic acid, and a metal halide with a gas-permeable material. CONSTITUTION:A heating composition, containing metallic iron (A), silicic acid and/or sodium silicate hydrate (B), and a metal halide (C), is covered with a gas- permeable material whose gas-permeable holes are arranged in great numbers at less than 3cm intervals at nearest on its one or both sides, having an oxygen permeability of 0.1-5cc/cm<2>.min.atm. If a filler (D) is added to said composition, the oxygen absorption rate can be more controlled. The filler used includes silica, alumina, silica-alumina, etc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4191879A JPS55135188A (en) | 1979-04-09 | 1979-04-09 | Heating structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4191879A JPS55135188A (en) | 1979-04-09 | 1979-04-09 | Heating structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55135188A true JPS55135188A (en) | 1980-10-21 |
JPS5711584B2 JPS5711584B2 (en) | 1982-03-05 |
Family
ID=12621622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4191879A Granted JPS55135188A (en) | 1979-04-09 | 1979-04-09 | Heating structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55135188A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60189094U (en) * | 1984-05-25 | 1985-12-14 | ヤマハ株式会社 | electronic musical instrument pedal keyboard |
-
1979
- 1979-04-09 JP JP4191879A patent/JPS55135188A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5711584B2 (en) | 1982-03-05 |
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