GB721990A - Improvements in or relating to drawing glass or other vitrifiable materials - Google Patents
Improvements in or relating to drawing glass or other vitrifiable materialsInfo
- Publication number
- GB721990A GB721990A GB3270452A GB3270452A GB721990A GB 721990 A GB721990 A GB 721990A GB 3270452 A GB3270452 A GB 3270452A GB 3270452 A GB3270452 A GB 3270452A GB 721990 A GB721990 A GB 721990A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- nozzles
- fibres
- viscous
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
- C03B37/09—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates electrically heated
- C03B37/092—Direct-resistance heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
721,990. Glass and like fibres. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Dec. 23, 1953 [Dec. 24, 1952]. No. 32704/52. Drawings to Specification. Class 56. In the drawing of fibres of glass or other vitrifiable material by extrusion of the fused material through nozzles and subsequent attenuation, the supply is drawn from a source having the proper viscosity and which is surrounded or contained by vitrifiable material too viscous for drawing and which may, in fact, be actually solid. The proper viscosity of the supply is maintained by passing a current therethrough after preheating. By maintaining the nozzles at an appropriate temperature it is arranged that they become and remain lined with vitrifiable material which is too viscous for drawing and which prevents the low viscosity glass &c. from contacting the insides of the nozzles and from spreading from one nozzle to another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3270452A GB721990A (en) | 1952-12-24 | 1952-12-24 | Improvements in or relating to drawing glass or other vitrifiable materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3270452A GB721990A (en) | 1952-12-24 | 1952-12-24 | Improvements in or relating to drawing glass or other vitrifiable materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB721990A true GB721990A (en) | 1955-01-19 |
Family
ID=10342771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3270452A Expired GB721990A (en) | 1952-12-24 | 1952-12-24 | Improvements in or relating to drawing glass or other vitrifiable materials |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB721990A (en) |
-
1952
- 1952-12-24 GB GB3270452A patent/GB721990A/en not_active Expired
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