GB655691A - A new or improved method of making airtight joints between component parts of glass vessels and the like - Google Patents
A new or improved method of making airtight joints between component parts of glass vessels and the likeInfo
- Publication number
- GB655691A GB655691A GB21692/48A GB2169248A GB655691A GB 655691 A GB655691 A GB 655691A GB 21692/48 A GB21692/48 A GB 21692/48A GB 2169248 A GB2169248 A GB 2169248A GB 655691 A GB655691 A GB 655691A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- solder
- parts
- fused
- per cent
- 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
- H01J5/24—Vacuum-tight joints between parts of vessel between insulating 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
- H01J2893/0038—Direct connection between two insulating elements, in particular via glass material
- H01J2893/0039—Glass-to-glass connection, e.g. by soldering
Landscapes
- Joining Of Glass To Other Materials (AREA)
Abstract
655,691. Glass. EGYESULT IZZOLAMPA ES VILLAMOSSAGI RESZVENYTARSASAG. Aug. 17, 1948, No. 21692. Convention date, Feb. 5, 1942. Drawings to Specification. [Class 56] [Also in Group XLa] In the making of an airtight joint between the component parts of glass vessels, e.g. electronic tubes or glass bricks, by means of a glass "solder" melting at a temperature lower than the softening points' of the glass parts, the solder is first fused on to the glass parts and the glass parts are brought together after they have been reheated sufficiently to re-melt the " solder " whereupon the vessel is evacuated, the external pressure holding the parts together during the sealing operation. In the case of electronic tubes the electrode system is not mounted until after the " solder " has been initially fused on to the component glass parts. The " solder " may consists of 3 per cent SiO 2 , 84 per cent PbO, 13 per cent B 2 O 3 (melting point about 420‹C); ZnO, P 2 O 5 . As 2 O 3 , or Sb 2 O 3 may be added to reduce the coefficient of thermal expansion. This " solder may be pulverised and suspended in a medium, e.g. alcohol, and the suspension applied by dipping or spraying; after evaporation of the alcohol the residual glass powder is fused on.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU655691X | 1942-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB655691A true GB655691A (en) | 1951-08-01 |
Family
ID=10979885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21692/48A Expired GB655691A (en) | 1942-02-05 | 1948-08-17 | A new or improved method of making airtight joints between component parts of glass vessels and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB655691A (en) |
-
1948
- 1948-08-17 GB GB21692/48A patent/GB655691A/en not_active Expired
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