GB508542A - Improvements in or relating to joints between metal parts and ceramic bodies - Google Patents
Improvements in or relating to joints between metal parts and ceramic bodiesInfo
- Publication number
- GB508542A GB508542A GB34017/37A GB3401737A GB508542A GB 508542 A GB508542 A GB 508542A GB 34017/37 A GB34017/37 A GB 34017/37A GB 3401737 A GB3401737 A GB 3401737A GB 508542 A GB508542 A GB 508542A
- Authority
- GB
- United Kingdom
- Prior art keywords
- iron
- metal
- tube
- ceramic
- dec
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/20—Seals between parts of vessels
- H01J5/22—Vacuum-tight joints between parts of vessel
- H01J5/26—Vacuum-tight joints between parts of vessel between insulating and conductive parts of vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
- H01J2893/0037—Solid sealing members other than lamp bases
- H01J2893/0041—Direct connection between insulating and metal elements, in particular via glass material
Abstract
508,542. Uniting metal to ceramic materials by heat. BORMANN, O. Dec. 29, 1937, No. 36017. Convention date, Dec. 29, 1936. [Class 36] In a joint formed by the fusion of a glass or enamel flux interposed between an inner ceramic body and an outer metal body having a coefficient of expansion higher than that of the ceramic body, the bodies bear against one another only at a cylindrical joining surface and the metal body is prolonged beyond the two edges of such surface. A steatite tube 2, Fig. 3, is provided with an annular shoulder 5 on to which an annular metal part 3 is shrunk and to which it is sealed by flux 6 having a coefficient of expansion as nearly as possible equal to that of the tube. The part 3, which may be formed of an iron-nickel, iron-chromium, iron-vanadium or aluminium-nickel alloy, is prolonged beyond the joint as a flange 8, as shown, or axially, and is welded to the outer vessel 1. In another form, Fig. 4, a ceramic disc 9 is similarly joined to a metal part 10 welded to the tube 11.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE508542X | 1936-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB508542A true GB508542A (en) | 1939-06-29 |
Family
ID=6546997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34017/37A Expired GB508542A (en) | 1936-12-29 | 1937-12-29 | Improvements in or relating to joints between metal parts and ceramic bodies |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB508542A (en) |
-
1937
- 1937-12-29 GB GB34017/37A patent/GB508542A/en not_active Expired
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