GB660992A - Improvements relating to apparatus for drawing tubing made from glass, plastic or like substances - Google Patents
Improvements relating to apparatus for drawing tubing made from glass, plastic or like substancesInfo
- Publication number
- GB660992A GB660992A GB1087948A GB1087948A GB660992A GB 660992 A GB660992 A GB 660992A GB 1087948 A GB1087948 A GB 1087948A GB 1087948 A GB1087948 A GB 1087948A GB 660992 A GB660992 A GB 660992A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- plastic
- screen
- april
- bath
- 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
- C03B15/00—Drawing glass upwardly from the melt
- C03B15/14—Drawing tubes, cylinders, or rods from the melt
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chutes (AREA)
Abstract
660,992. Glass manufacture. SCHULLER, W. April 20, 1949 [April 20, 1948], No. 10879/ 48. Class 56 [Also in Group V] Tubes are drawn upwardly from a bath of glass, plastic or the like, and in order to prevent the formation of small particles on the usual refractory screen, due to changes in level in the bath, and the consequent occlusion of these particles in the finished tube, the screen 3 is arranged so that its lower end is above the surface of the glass, the gap being closed by a floating ring 9 of refractory material. An air jet 11 is made entirely from highly polished heat-resisting steel, or only the upper part 14, which is formed as a shoulder to produce greater uniformity during the drawing by providing a better guide for the plastic glass, may be made of steel, the remainder of the jet being of refractory material. The screen 3 is cooled internally by means not shown and is rotated, with the drawing pot 1, by a toothed flange 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1087948A GB660992A (en) | 1948-04-20 | 1948-04-20 | Improvements relating to apparatus for drawing tubing made from glass, plastic or like substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1087948A GB660992A (en) | 1948-04-20 | 1948-04-20 | Improvements relating to apparatus for drawing tubing made from glass, plastic or like substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB660992A true GB660992A (en) | 1951-11-14 |
Family
ID=9976009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1087948A Expired GB660992A (en) | 1948-04-20 | 1948-04-20 | Improvements relating to apparatus for drawing tubing made from glass, plastic or like substances |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB660992A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5679127A (en) * | 1994-12-01 | 1997-10-21 | Lucent Technologies Inc. | Apparatus for drawing glass from a containment vessel to make optical fiber preforms |
-
1948
- 1948-04-20 GB GB1087948A patent/GB660992A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5679127A (en) * | 1994-12-01 | 1997-10-21 | Lucent Technologies Inc. | Apparatus for drawing glass from a containment vessel to make optical fiber preforms |
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