CA2360427C - Method for manufacturing a lamp - Google Patents
Method for manufacturing a lamp Download PDFInfo
- Publication number
- CA2360427C CA2360427C CA002360427A CA2360427A CA2360427C CA 2360427 C CA2360427 C CA 2360427C CA 002360427 A CA002360427 A CA 002360427A CA 2360427 A CA2360427 A CA 2360427A CA 2360427 C CA2360427 C CA 2360427C
- Authority
- CA
- Canada
- Prior art keywords
- sealing plate
- lamp
- lamp vessel
- vessel
- pumping head
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
-
- 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
-
- 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
- H01J9/40—Closing vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
In the method for manufacturing a lamp, the lamp vessel (1) is inserted gastightly with the open end (5) into a pumping head (2) with a holder (6) which bears a sealing plate (7) with an electrode system and connecting pins (10). The sealing plate (7) has here an external contour which is a little smaller than the internal contour of the open end (5) of the lamp vessel (1), so that the lamp vessel (1) can be pumped and filled with gases via the pumping head (2). The edge of the sealing plate (7) and the lamp vessel (1) are subsequently heated so that the lamp vessel (1) buckles in at the level of the sealing plate (7) and connects gastightly to the edge of the sealing plate (7). The protruding end (5) of the lamp vessel (1) is then cut off.
Description
Patent-Treuhaiad-Gesellschaf t fiir elektrische Gliihlampen mbH., Munich Method for manufacturing a lamp Technical Field The invention is based on a method for manufacturing a lamp according to the preamble of claim 1. This is a method for manufacturing a lamp. with a lamp vessel.which has at least one open, cylindrically formed end into which an'electrode system is introduced and which is subsequently sealed gastightly.
Prior Art In methods previously used for manufacturing a lamp, whether incandescent or tubular fluorescent Aamps;, the 'electrode* systems are- introduced into the lamp vessels by means of a flare mount-and sealed in-gastightly. Theelectrode system can be squeezed into the open end or ends only with very small tube diameters.
The flare mounting method requires in the stem an additional pumping tube via which the lamps are pumped, rinsed and filled with the necessary substances. Because this pumping tube has to be sealed gastightly after the filling procedure, this results in an additional manufacturing step.
In addition, in a flare mount, a metal or plastic base addition is required which is attached to the flare mount by means of adhesive cement.
Prior Art In methods previously used for manufacturing a lamp, whether incandescent or tubular fluorescent Aamps;, the 'electrode* systems are- introduced into the lamp vessels by means of a flare mount-and sealed in-gastightly. Theelectrode system can be squeezed into the open end or ends only with very small tube diameters.
The flare mounting method requires in the stem an additional pumping tube via which the lamps are pumped, rinsed and filled with the necessary substances. Because this pumping tube has to be sealed gastightly after the filling procedure, this results in an additional manufacturing step.
In addition, in a flare mount, a metal or plastic base addition is required which is attached to the flare mount by means of adhesive cement.
The flare mount and the attachment of the base require a complex machinery.
Description of the invention An object of some embodiments of the present invention is to make available a method for manufacturing a lamp, in which it is possible to dispense with a pumping tube and a subsequent attach-ment to a base, and the machinery for manufacturing the lamp is thus si.mplifi,Pd. -In the method according to some embodiments of the invention, the lamp vessel is inserted gastightly with the at least ._ _._. _,-. .. _.. ..
one open cylindri~r1 -e_~ in~~ a ptimp inq head, the pun2ping head bearing, oti a holder, a sealing plate with th-e electrode system and the connectin.g pins in such a way that when the lamp vessel is inserted into-: the pumping head the -sealing . plate comes to bear -20 perpendicularly with respect to the axis of the cylindrical end of the lamp vessel_ The holder can be placed along the axis of the lamp vessel. The sealing plate has here an external contour which is a little smaller than the internal contour of the open end of 25. the lamp vessel. This makes it possible to pump' the 3.amp veasel, rinse it and _ fill it with. gases and possibly further, filling substances to the desired amount via the pumping head. The edge of the sealing plate and the lamp vessel are then =heated at the level.
30 of the sealing plate from the -o.utside using a power source so that-the end of the lamp vessel buckles in at the level of- the sealing plate and connects gastightly to the edge of the sealing plate. Finally, the open end of the lamp vessel which protrudes beyond the sealing plate is cut off.
The most simple form of the method is when- the cylindrical end of the lamp vessel has a circular =internal contour, and the sealing plate has a circular edge.
It is 'advantageous for a vacuum tight sealing of the lamp vessel that the power source rotates about the lamp vessel and the sealing plate during the heating procedure. However, with certain vessels it may also be.advantageous if the lamp vessel and'the.sealing plate rotate on the power source during the heating procedure. A gas burner is preferably used here as the power source.
In the event that the lamp to be manufactured is a fluorescent lamp with a tubular lamp vessel with a continuously circular cross section, and to manufacture the lamp a glass tube which is open at both ends is used, the two ends of said glass tube are inserted -simultaneously or successively into the. pumping head.
with 'a circular sealing. pla.te which :is 'attached to a mount and has the electrode system and the connecting pins.
In the case of an =incandescent lamp with a light bulb-shaped lamp vessel, in which case to manufacture it a light bulb-shaped glass vessel is used which has a circular-cylindrical open end, the circular-cylindrical open end is inserted into the pumping head with a circular sealing plate which is 3,0, attached to a . mount and has the electrode system and the connecting pins.
The electrode system is advantageously composed of a mount and a single coil filament which is attached to it and which is mounted on the side of the sealing plate facing away from the open end of the lamp vessel.
On the side of the sealing plate facing the open end of the lamp vessel, electric connecting pins are mounted and electrically connected.to the single coil filament via current feeder lines.
The sealing plate is advantageously composed of insulating glass. It can however also be composed of metal, in which case the current feeder lines are surrounded by insulating material, for example glass solder, in the region where they pass through the sealing plate. However, the sealing plate can also be composed of a glass stem at whose edge a metal ring is mounted.
If the single coil filament bears an emitter, the current feeder lines for forming the emitter are advantageously electrically connected to a power source.
The invention also relates to a lamp manufactured according to the present method.
In accordance with one aspect of the invention, there is provided a method for manufacturing a lamp with a lamp vessel which has at least one open, cylindrically formed end into which an electrode system is introduced and which is subsequently sealed gastightly, the method comprising: inserting the lamp vessel gastightly with the at least one open end into a pumping head , the pumping head bearing, on a holder which can be displaced along the axis of the lamp vessel, a sealing plate with the electrode system and connecting pins in such a way that when the lamp vessel is inserted into the pumping head the sealing plate comes to bear perpendicularly with respect to the axis of the cylindrical end of the lamp vessel, and the sealing plate has an external contour which corresponds to the internal contour of the cylindrical end of the lamp vessel and is of such a magnitude that a distance between the internal wall of the cylindrical end of the lamp vessel and - 4a -the edge of the sealing plate is defined; pumping, rinsing, and filling the lamp vessel with gases and possibly further filling substances to the desired amount via the cylindrical end and the pumping head; then heating the edge of the sealing plate and the lamp vessel at the level of the sealing plate from the outside using a power source so that the end of the lamp vessel buckles in at the level of the sealing plate and connects gastightly to the edge of the sealing plate; and finally cutting off the open end of the lamp vessel which protrudes beyond the sealing plate.
Description of the drawings The method according to the invention will be explained in more detail below with reference to the following figures, in which:
Figure 1 shows the method setup at the start of the manufacturing method according to the invention for manufacturing a tubular low pressure discharge lamp, Figure 2 shows the method setup during the heating of the sealing plate and lamp vessel, Figure 3 shows the method setup after disconnection of the protruding end of the lamp vessel, Figure la shows the method setup at the start of the manufacturing method according to the invention for manufacturing a light bulb-shaped incandescent lamp.
Description of the invention An object of some embodiments of the present invention is to make available a method for manufacturing a lamp, in which it is possible to dispense with a pumping tube and a subsequent attach-ment to a base, and the machinery for manufacturing the lamp is thus si.mplifi,Pd. -In the method according to some embodiments of the invention, the lamp vessel is inserted gastightly with the at least ._ _._. _,-. .. _.. ..
one open cylindri~r1 -e_~ in~~ a ptimp inq head, the pun2ping head bearing, oti a holder, a sealing plate with th-e electrode system and the connectin.g pins in such a way that when the lamp vessel is inserted into-: the pumping head the -sealing . plate comes to bear -20 perpendicularly with respect to the axis of the cylindrical end of the lamp vessel_ The holder can be placed along the axis of the lamp vessel. The sealing plate has here an external contour which is a little smaller than the internal contour of the open end of 25. the lamp vessel. This makes it possible to pump' the 3.amp veasel, rinse it and _ fill it with. gases and possibly further, filling substances to the desired amount via the pumping head. The edge of the sealing plate and the lamp vessel are then =heated at the level.
30 of the sealing plate from the -o.utside using a power source so that-the end of the lamp vessel buckles in at the level of- the sealing plate and connects gastightly to the edge of the sealing plate. Finally, the open end of the lamp vessel which protrudes beyond the sealing plate is cut off.
The most simple form of the method is when- the cylindrical end of the lamp vessel has a circular =internal contour, and the sealing plate has a circular edge.
It is 'advantageous for a vacuum tight sealing of the lamp vessel that the power source rotates about the lamp vessel and the sealing plate during the heating procedure. However, with certain vessels it may also be.advantageous if the lamp vessel and'the.sealing plate rotate on the power source during the heating procedure. A gas burner is preferably used here as the power source.
In the event that the lamp to be manufactured is a fluorescent lamp with a tubular lamp vessel with a continuously circular cross section, and to manufacture the lamp a glass tube which is open at both ends is used, the two ends of said glass tube are inserted -simultaneously or successively into the. pumping head.
with 'a circular sealing. pla.te which :is 'attached to a mount and has the electrode system and the connecting pins.
In the case of an =incandescent lamp with a light bulb-shaped lamp vessel, in which case to manufacture it a light bulb-shaped glass vessel is used which has a circular-cylindrical open end, the circular-cylindrical open end is inserted into the pumping head with a circular sealing plate which is 3,0, attached to a . mount and has the electrode system and the connecting pins.
The electrode system is advantageously composed of a mount and a single coil filament which is attached to it and which is mounted on the side of the sealing plate facing away from the open end of the lamp vessel.
On the side of the sealing plate facing the open end of the lamp vessel, electric connecting pins are mounted and electrically connected.to the single coil filament via current feeder lines.
The sealing plate is advantageously composed of insulating glass. It can however also be composed of metal, in which case the current feeder lines are surrounded by insulating material, for example glass solder, in the region where they pass through the sealing plate. However, the sealing plate can also be composed of a glass stem at whose edge a metal ring is mounted.
If the single coil filament bears an emitter, the current feeder lines for forming the emitter are advantageously electrically connected to a power source.
The invention also relates to a lamp manufactured according to the present method.
In accordance with one aspect of the invention, there is provided a method for manufacturing a lamp with a lamp vessel which has at least one open, cylindrically formed end into which an electrode system is introduced and which is subsequently sealed gastightly, the method comprising: inserting the lamp vessel gastightly with the at least one open end into a pumping head , the pumping head bearing, on a holder which can be displaced along the axis of the lamp vessel, a sealing plate with the electrode system and connecting pins in such a way that when the lamp vessel is inserted into the pumping head the sealing plate comes to bear perpendicularly with respect to the axis of the cylindrical end of the lamp vessel, and the sealing plate has an external contour which corresponds to the internal contour of the cylindrical end of the lamp vessel and is of such a magnitude that a distance between the internal wall of the cylindrical end of the lamp vessel and - 4a -the edge of the sealing plate is defined; pumping, rinsing, and filling the lamp vessel with gases and possibly further filling substances to the desired amount via the cylindrical end and the pumping head; then heating the edge of the sealing plate and the lamp vessel at the level of the sealing plate from the outside using a power source so that the end of the lamp vessel buckles in at the level of the sealing plate and connects gastightly to the edge of the sealing plate; and finally cutting off the open end of the lamp vessel which protrudes beyond the sealing plate.
Description of the drawings The method according to the invention will be explained in more detail below with reference to the following figures, in which:
Figure 1 shows the method setup at the start of the manufacturing method according to the invention for manufacturing a tubular low pressure discharge lamp, Figure 2 shows the method setup during the heating of the sealing plate and lamp vessel, Figure 3 shows the method setup after disconnection of the protruding end of the lamp vessel, Figure la shows the method setup at the start of the manufacturing method according to the invention for manufacturing a light bulb-shaped incandescent lamp.
Figure 1 shows the method setup at the start of the manufacturing method according to the invention for manufacturing a tubular low pressure discharge lamp.
The tubular lamp vessel 1. with circular internal cross section is inserted here by its two ends into one pumping head 2 in each case, the two seals, 3, 4 providing a vacuum tight seal from the surroundings.
In the present figures 1 to 3, just. one end 5 which is inserted into a pumping head 2 is shown for the sake of simplicity.
The pumping head 2 also bears, on a holder 6, a sealing plate 7-made of glass, to which an electrode system composed of a single coil filament 8 and an integration cap 9 is attached on the side facing away from the pumping head 2, and connecting pins 10, which are connected to the single coil filament 8 via.current feeder lines 11, are attached on the side facing the pumping head 2. In addition, the connecting pins 10 for forming a getter material are placed in electrica2 contact via cables 12.
The tubular.lamp vessel 1 can, then. be* pumped, rinsed and filled with the required filling materials via an opening 13 on the pumping head 2, which is indicated by the double arrow.
Figure 2 shows the following method step of the method acCording to the invention. The method setup is essentially the same here as in the method setup indicated in figure 1. However, an energy source in the form of a gas burner 14 is additionally arranged in the position of- the sealing plate 7. By rotating the ,lamp vessel -l.and.the sealing plate 7_using the pumping head 2, the lamp vessel 1 at this point and the edge of the sealing plate 7 are heated until the lamp vessel 1 buckles in at this point and connects gastightly to the edge of the sealing plate 7.
The further method step whose setup is illustrated in figure 3 shows the end 14 which is cut off from the gastightly sealed lamp vessel 1. After the pumping head 2 is flooded with atmospheric air via the opening 13, on the basis of figure 2, the end 14 can be pulled off the sealed-in lamp 15 and cut off by displacing the pumping head 2, and the disconnection point on the lamp 15 is molten. After the holder 6 is then pulled. off from the connecting pins 10 and the pumping head 2 is pulled off, the finished lamp 15 can be removed, and after the release of the seal 3, the end 14 can be removed.
Instead of tubular low pressure discharge lamps, the method according to the invention can also be applied in the lamps with a light bulb-shaped lamp vessel such as an incandescent lamp.
Figure la shows the method setup for manufacturing an incandescent lamp at the start of the method, the setup corresponding very largely to the 20, method' setup shown in figure.1 for tubular low' pressure discharge lairips. For this reason; the same parts of the setup are designated by the same numbers as in' figure 1. Instead of the tubular lamp vessel, a light bulb-shaped lamp vessel 16 with a circular-cylindrical open end 17 is. inserted into the pumping head 2 here. The sealing plate 18 bears here, on the side facing away from the pumping head 2, a single coil filament 19 which is connected to the connecting pins 21 via current feeder lines 20.
The sequence of the rest of the method for..
manufacturing an incandescent lamp corresponds in 'its basic method steps to the method for manufacturing a tubular low pressure discharge lamp. For this reason, the further method steps have not been presented.
The tubular lamp vessel 1. with circular internal cross section is inserted here by its two ends into one pumping head 2 in each case, the two seals, 3, 4 providing a vacuum tight seal from the surroundings.
In the present figures 1 to 3, just. one end 5 which is inserted into a pumping head 2 is shown for the sake of simplicity.
The pumping head 2 also bears, on a holder 6, a sealing plate 7-made of glass, to which an electrode system composed of a single coil filament 8 and an integration cap 9 is attached on the side facing away from the pumping head 2, and connecting pins 10, which are connected to the single coil filament 8 via.current feeder lines 11, are attached on the side facing the pumping head 2. In addition, the connecting pins 10 for forming a getter material are placed in electrica2 contact via cables 12.
The tubular.lamp vessel 1 can, then. be* pumped, rinsed and filled with the required filling materials via an opening 13 on the pumping head 2, which is indicated by the double arrow.
Figure 2 shows the following method step of the method acCording to the invention. The method setup is essentially the same here as in the method setup indicated in figure 1. However, an energy source in the form of a gas burner 14 is additionally arranged in the position of- the sealing plate 7. By rotating the ,lamp vessel -l.and.the sealing plate 7_using the pumping head 2, the lamp vessel 1 at this point and the edge of the sealing plate 7 are heated until the lamp vessel 1 buckles in at this point and connects gastightly to the edge of the sealing plate 7.
The further method step whose setup is illustrated in figure 3 shows the end 14 which is cut off from the gastightly sealed lamp vessel 1. After the pumping head 2 is flooded with atmospheric air via the opening 13, on the basis of figure 2, the end 14 can be pulled off the sealed-in lamp 15 and cut off by displacing the pumping head 2, and the disconnection point on the lamp 15 is molten. After the holder 6 is then pulled. off from the connecting pins 10 and the pumping head 2 is pulled off, the finished lamp 15 can be removed, and after the release of the seal 3, the end 14 can be removed.
Instead of tubular low pressure discharge lamps, the method according to the invention can also be applied in the lamps with a light bulb-shaped lamp vessel such as an incandescent lamp.
Figure la shows the method setup for manufacturing an incandescent lamp at the start of the method, the setup corresponding very largely to the 20, method' setup shown in figure.1 for tubular low' pressure discharge lairips. For this reason; the same parts of the setup are designated by the same numbers as in' figure 1. Instead of the tubular lamp vessel, a light bulb-shaped lamp vessel 16 with a circular-cylindrical open end 17 is. inserted into the pumping head 2 here. The sealing plate 18 bears here, on the side facing away from the pumping head 2, a single coil filament 19 which is connected to the connecting pins 21 via current feeder lines 20.
The sequence of the rest of the method for..
manufacturing an incandescent lamp corresponds in 'its basic method steps to the method for manufacturing a tubular low pressure discharge lamp. For this reason, the further method steps have not been presented.
Claims (15)
1. A method for manufacturing a lamp with a lamp vessel which has at least one open, cylindrically formed end into which an electrode system is introduced and which is subsequently sealed gastightly, the method comprising:
inserting the lamp vessel gastightly with the at least one open end into a pumping head, the pumping head bearing, on a holder which can be displaced along the axis of the lamp vessel, a sealing plate with the electrode system and connecting pins in such a way that when the lamp vessel is inserted into the pumping head the sealing plate comes to bear perpendicularly with respect to the axis of the cylindrical end of the lamp vessel, and the sealing plate has an external contour which corresponds to the internal contour of the cylindrical end of the lamp vessel and is of such a magnitude that a distance between the internal wall of the cylindrical end of the lamp vessel and the edge of the sealing plate is defined;
pumping, rinsing, and filling the lamp vessel with gases and possibly further filling substances to the desired amount via the cylindrical end and the pumping head;
then heating the edge of the sealing plate and the lamp vessel at the level of the sealing plate from the outside using a power source so that the end of the lamp vessel buckles in at the level of the sealing plate and connects gastightly to the edge of the sealing plate; and finally cutting off the open end of the lamp vessel which protrudes beyond the sealing plate.
inserting the lamp vessel gastightly with the at least one open end into a pumping head, the pumping head bearing, on a holder which can be displaced along the axis of the lamp vessel, a sealing plate with the electrode system and connecting pins in such a way that when the lamp vessel is inserted into the pumping head the sealing plate comes to bear perpendicularly with respect to the axis of the cylindrical end of the lamp vessel, and the sealing plate has an external contour which corresponds to the internal contour of the cylindrical end of the lamp vessel and is of such a magnitude that a distance between the internal wall of the cylindrical end of the lamp vessel and the edge of the sealing plate is defined;
pumping, rinsing, and filling the lamp vessel with gases and possibly further filling substances to the desired amount via the cylindrical end and the pumping head;
then heating the edge of the sealing plate and the lamp vessel at the level of the sealing plate from the outside using a power source so that the end of the lamp vessel buckles in at the level of the sealing plate and connects gastightly to the edge of the sealing plate; and finally cutting off the open end of the lamp vessel which protrudes beyond the sealing plate.
2. The method as claimed in claim 1, wherein the cylindrical end of the lamp vessel has a circular internal contour, and the sealing plate has a circular edge.
3. The method as claimed in claim 1, further comprising rotating the power source about the lamp vessel and the sealing plate during the heating procedure.
4. The method as claimed in claim 1, further comprising rotating the lamp vessel and the sealing plate on the power source during the heating procedure.
5. The method as claimed in claim 3 or 4, wherein the power source is a gas burner.
6. The method as claimed in claim 1, wherein the lamp to be manufactured is a fluorescent lamp with a tubular lamp vessel, and to manufacture the lamp a glass tube which is open at both ends and has a continuously circular internal cross section is used, and the method further comprises inserting the two ends of said glass tube simultaneously or successively into a pumping head with a circular sealing plate which is attached to a mount and has an electrode system and connecting pins.
7. The method as claimed in claim 1, wherein the lamp to be manufactured is an incandescent lamp with a light bulb-shaped glass vessel and to manufacture it a light bulb-shaped glass vessel is used which has an open end with circular internal cross section, the method further comprising inserting the open end into the pumping head with a circular sealing plate which is attached to a holder.
8. The method as claimed in claim 1, wherein the electrode system is composed of a single coil filament which are mounted on the side of the sealing plate facing away from the open end of the lamp vessel.
9. The method as claimed in claim 1, further comprising mounting the connecting pins on the side of the sealing plate facing the open end of the lamp vessel and are electrically connecting the connecting pins to the single coil filament via current feeder lines.
10. The method as claimed in claim 1, wherein the sealing plate is composed of insulating glass.
11. The method as claimed in claim 9, wherein the sealing plate is composed of metal, and the method further comprises surrounding at least one of the current feeder lines by insulating material in the region where it passes through the sealing plate.
12. The method as claimed in claim 1, wherein the sealing plate is composed of a glass stem at whose edge a metal ring is mounted.
13. The method as claimed in claim 11, wherein the insulating material is composed of glass solder.
14. The method as claimed in claim 8, wherein the single coil filament bears an emitter, and the method further comprises electrically connecting current feeder lines for forming the emitter to a power source.
15. An electric lamp manufactured according to the method as claimed in any one of claims 1 to 14.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19955265.7 | 1999-11-17 | ||
| DE19955265A DE19955265A1 (en) | 1999-11-17 | 1999-11-17 | Method of making a lamp |
| PCT/DE2000/003638 WO2001037307A2 (en) | 1999-11-17 | 2000-10-16 | Method for producing a lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2360427A1 CA2360427A1 (en) | 2001-05-25 |
| CA2360427C true CA2360427C (en) | 2009-07-07 |
Family
ID=7929330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002360427A Expired - Fee Related CA2360427C (en) | 1999-11-17 | 2000-10-16 | Method for manufacturing a lamp |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1196937B1 (en) |
| JP (1) | JP2003514363A (en) |
| KR (1) | KR100735173B1 (en) |
| CN (1) | CN1145185C (en) |
| CA (1) | CA2360427C (en) |
| DE (2) | DE19955265A1 (en) |
| HU (1) | HU226841B1 (en) |
| PL (1) | PL208350B1 (en) |
| TW (1) | TW483026B (en) |
| WO (1) | WO2001037307A2 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3626398A (en) * | 1968-08-21 | 1971-12-07 | Bendix Corp | Multiple display system |
| US3636398A (en) * | 1969-12-31 | 1972-01-18 | Westinghouse Electric Corp | Subminiature electric lamp having a composite envelope |
| JPS57196473A (en) * | 1981-05-29 | 1982-12-02 | Tokyo Shibaura Electric Co | Method of producing bulb |
| EP0093383A3 (en) * | 1982-05-03 | 1984-07-18 | Uvp, Inc. | Gas lamp and method of manufacture |
| JP2650075B2 (en) * | 1991-08-05 | 1997-09-03 | スタンレー電気株式会社 | Fluorescent lamp manufacturing equipment |
| JPH0589782A (en) * | 1991-09-27 | 1993-04-09 | Toshiba Lighting & Technol Corp | Evacuating and sealing apparatus for tubular bulb |
| JP3409420B2 (en) * | 1994-02-28 | 2003-05-26 | 東芝ライテック株式会社 | Lead wire and cold cathode discharge lamp and lighting device |
| JPH08236022A (en) * | 1995-03-01 | 1996-09-13 | Hitachi Ltd | Method and device for manufacturing fluorescent lamp |
| US5733162A (en) * | 1995-10-02 | 1998-03-31 | General Electric Company | Method for manufacturing x-ray tubes |
| JP3480551B2 (en) * | 1998-04-08 | 2003-12-22 | シーケーディ株式会社 | Valve sealing device and valve sealing method |
-
1999
- 1999-11-17 DE DE19955265A patent/DE19955265A1/en not_active Withdrawn
-
2000
- 2000-10-16 PL PL349743A patent/PL208350B1/en unknown
- 2000-10-16 WO PCT/DE2000/003638 patent/WO2001037307A2/en active IP Right Grant
- 2000-10-16 CN CNB008026009A patent/CN1145185C/en not_active Expired - Fee Related
- 2000-10-16 CA CA002360427A patent/CA2360427C/en not_active Expired - Fee Related
- 2000-10-16 HU HU0202643A patent/HU226841B1/en unknown
- 2000-10-16 EP EP00983020A patent/EP1196937B1/en not_active Expired - Lifetime
- 2000-10-16 JP JP2001537763A patent/JP2003514363A/en active Pending
- 2000-10-16 KR KR1020017008894A patent/KR100735173B1/en not_active IP Right Cessation
- 2000-10-16 DE DE50013091T patent/DE50013091D1/en not_active Expired - Lifetime
- 2000-11-14 TW TW089124060A patent/TW483026B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003514363A (en) | 2003-04-15 |
| KR100735173B1 (en) | 2007-07-03 |
| DE19955265A1 (en) | 2001-05-23 |
| EP1196937B1 (en) | 2006-06-28 |
| DE50013091D1 (en) | 2006-08-10 |
| HUP0202643A2 (en) | 2002-12-28 |
| HU226841B1 (en) | 2009-12-28 |
| WO2001037307A2 (en) | 2001-05-25 |
| PL208350B1 (en) | 2011-04-29 |
| TW483026B (en) | 2002-04-11 |
| CA2360427A1 (en) | 2001-05-25 |
| CN1145185C (en) | 2004-04-07 |
| CN1353857A (en) | 2002-06-12 |
| EP1196937A2 (en) | 2002-04-17 |
| KR20010089832A (en) | 2001-10-08 |
| WO2001037307A3 (en) | 2002-02-14 |
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| Date | Code | Title | Description |
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| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20151016 |