DE1189679B - Verfahren und Vorrichtung zur Bildung von schraubenlinienfoermigen Einbuchtungen in Glasrohren - Google Patents
Verfahren und Vorrichtung zur Bildung von schraubenlinienfoermigen Einbuchtungen in GlasrohrenInfo
- Publication number
- DE1189679B DE1189679B DED38021A DED0038021A DE1189679B DE 1189679 B DE1189679 B DE 1189679B DE D38021 A DED38021 A DE D38021A DE D0038021 A DED0038021 A DE D0038021A DE 1189679 B DE1189679 B DE 1189679B
- Authority
- DE
- Germany
- Prior art keywords
- glass tube
- indentation
- burner
- glass
- tube
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims description 57
- 238000007373 indentation Methods 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000005484 gravity Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/051—Re-forming tubes or rods by gravity, e.g. sagging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
- H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85790A US3129085A (en) | 1961-01-30 | 1961-01-30 | Method for forming spiral lamp tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1189679B true DE1189679B (de) | 1965-03-25 |
Family
ID=22193961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DED38021A Pending DE1189679B (de) | 1961-01-30 | 1962-01-30 | Verfahren und Vorrichtung zur Bildung von schraubenlinienfoermigen Einbuchtungen in Glasrohren |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3129085A (https=) |
| DE (1) | DE1189679B (https=) |
| GB (1) | GB968035A (https=) |
| NL (2) | NL131843C (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988633A (en) * | 1975-01-30 | 1976-10-26 | Duro-Test Corporation | Fluorescent lamp with envelope grooves |
| US5498924A (en) * | 1993-07-02 | 1996-03-12 | Duro-Test Corp. | Fluorescent lamp capable of operating on multiple ballast system |
| US6943361B2 (en) | 2002-02-15 | 2005-09-13 | Voltarc Technologies Inc. | Tanning lamp having grooved periphery |
| US6777702B2 (en) | 2002-02-15 | 2004-08-17 | Voltarc Technologies, Inc. | Discharge lamp having multiple intensity regions |
| CA2489445A1 (en) * | 2002-06-14 | 2003-12-24 | Voltarc Technologies, Inc. | Discharge lamp having overlaid fluorescent coatings and methods of making the same |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US770599A (en) * | 1904-09-20 | Half to e | ||
| US1926552A (en) * | 1932-04-14 | 1933-09-12 | Morgan Hans Otto | Tubular structure and method of manufacture thereof |
| US2220568A (en) * | 1939-12-20 | 1940-11-05 | Milton A Fishel | Christmas tree ornament |
| US2423113A (en) * | 1944-02-05 | 1947-07-01 | Fischer & Porter Co | Apparatus for making precision-bore tubes |
| US2452652A (en) * | 1944-08-01 | 1948-11-02 | Bell Telephone Labor Inc | Glass sealing method and machine |
| US2377042A (en) * | 1944-09-09 | 1945-05-29 | Rosenthal Allan | Decorative article and method of making same |
| US2573300A (en) * | 1946-05-10 | 1951-10-30 | Corning Glass Works | Glass forming apparatus |
| US2582818A (en) * | 1948-04-13 | 1952-01-15 | United Products Co Inc | Method of manufacturing glass ampoules |
| US2504425A (en) * | 1948-05-18 | 1950-04-18 | Du Pont | Separation of pure methionine from methionine nitrile hydrolyzates |
| US2696697A (en) * | 1951-06-09 | 1954-12-14 | Westinghouse Electric Corp | Machine for bending envelopes for curved fluorescent lamps |
| US2615285A (en) * | 1951-11-01 | 1952-10-28 | Gen Electric | Glass tube reshaping apparatus |
| US2781832A (en) * | 1953-08-11 | 1957-02-19 | Lawrence T O'connor | Burner for glass blowing lathe |
| US2822501A (en) * | 1955-01-10 | 1958-02-04 | Research Corp | Slow-wave guide for traveling wave tubes |
| US2897545A (en) * | 1955-10-10 | 1959-08-04 | William E Meissner | Method of and apparatus for shaping tubing members |
| US2916645A (en) * | 1956-04-17 | 1959-12-08 | Gen Electric | Tubular lamp envelopes |
| US2862337A (en) * | 1957-04-08 | 1958-12-02 | Gen Electric | Method of reshaping cylindrical glass tubes |
| US2862335A (en) * | 1957-06-12 | 1958-12-02 | Gen Electric | Apparatus for reshaping cylindrical glass tubes |
| US3014299A (en) * | 1959-01-15 | 1961-12-26 | Milton L Voloshin | Glass pendant ornaments |
-
0
- NL NL273958D patent/NL273958A/xx unknown
- NL NL131843D patent/NL131843C/xx active
-
1961
- 1961-01-30 US US85790A patent/US3129085A/en not_active Expired - Lifetime
-
1962
- 1962-01-12 GB GB1254/62A patent/GB968035A/en not_active Expired
- 1962-01-30 DE DED38021A patent/DE1189679B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB968035A (en) | 1964-08-26 |
| US3129085A (en) | 1964-04-14 |
| NL273958A (https=) | |
| NL131843C (https=) |
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