WO1999062103A1 - Conteneur electroluminescent pour lampe a decharge haute pression et son procede de fabrication - Google Patents
Conteneur electroluminescent pour lampe a decharge haute pression et son procede de fabrication Download PDFInfo
- Publication number
- WO1999062103A1 WO1999062103A1 PCT/JP1999/002777 JP9902777W WO9962103A1 WO 1999062103 A1 WO1999062103 A1 WO 1999062103A1 JP 9902777 W JP9902777 W JP 9902777W WO 9962103 A1 WO9962103 A1 WO 9962103A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- terminal portion
- terminal
- pressure discharge
- discharge lamp
- mold
- Prior art date
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
- H01J61/30—Vessels; Containers
-
- 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
- H01J9/26—Sealing together parts of vessels
- H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
- H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
Definitions
- the present invention relates to a light emitting container for a high pressure discharge lamp and a method for manufacturing the same.
- the present invention also relates to a high-pressure discharge lamp having such a light-emitting container and a method for manufacturing the same.
- Such a light emitting container includes a body that forms a discharge space and a terminal portion into which an electrode member is inserted (hereinafter, referred to as an “integrated light emitting container”), and a body and a terminal portion.
- an integrated light emitting container is formed as individual members, and these are assembled (hereinafter, referred to as “assembled luminous container”).
- the terminal is inserted into the opening in the body, but the heat loss at these joints lowers the lamp efficiency, making it unusable for a high-pressure discharge lamp for low wattage.
- high-pressure discharge lamps for medium and high jets cannot be used for high-efficiency high-pressure discharge lamps. Therefore, when manufacturing a high-pressure discharge lamp for low-power or a high-pressure discharge lamp for medium-to-high-power for high efficiency, it is necessary to use an integrated luminous vessel which does not have such disadvantages.
- the translucency in such a high-pressure discharge lamp, it is desirable to increase the translucency. Therefore, it is preferable to make at least the central region of the body of the luminous vessel as thin as possible.
- the mechanical strength at the end of the luminous vessel into which the electrode member is inserted, it is desirable to increase the mechanical strength as much as possible, so that it is preferable to make the terminal as thick as possible.
- the wall since the luminescent substance easily accumulates and the progress of corrosion is fast near the boundary region between the trunk and the terminal, it is preferable to make the wall as thick as possible to reduce the influence of corrosion as much as possible and achieve a long life. .
- a light-emitting container having a non-uniform thickness over the entire body at least the central area of the body is thinner than the terminal part and the boundary area between the terminal part and the body, and It is possible to manufacture a lamp having a longer life than a high-pressure discharge lamp having a luminous vessel having a substantially uniform thickness.
- FIG. 1A A pipe-shaped molding pair 1 (Fig.1A) made of such a light-transmitting ceramic material is placed between the upper After the upper mold 2 and the lower mold 3 are moved in the directions of arrows a and b to fix the molded body 1, a pressure medium such as air is blown into the opening 4 of the molded body 1, and discharge is performed.
- a molded body 5 of the container (FIG. 4B) is obtained.
- a light-emitting container having a non-uniform thickness over the entire body is manufactured such that at least the central region of the trunk portion is thinner than the terminal region and the boundary region between the terminal portion and the trunk portion.
- the opening 4 since air needs to be blown from the opening 4, the opening 4 needs to have a certain diameter. Therefore, it is difficult to make the inner diameter of the terminal part less than a predetermined value, for example, less than 2 mm, and even if it is possible, the inner diameter of the body necessary for the luminous vessel (for example, 1-15) mm).
- the diameter of the opening 7 can be reduced to 2 mm or less (but 0.8 mm or more) because it is sufficient to secure a diameter for discharging the excess slurry. It is not possible to manufacture a light-emitting container having a non-uniform wall thickness throughout such that at least the central region of the portion is thinner than the terminal portion and the boundary region between the terminal portion and the trunk portion.
- An object of the present invention is to provide a container and a high-pressure discharge lamp having the same.
- Another object of the present invention is to provide a method for manufacturing such a light emitting container and a high pressure discharge lamp.
- a body forming a discharge space and a terminal portion into which an electrode member is inserted are integrally formed from a translucent ceramic material, and at least a central region in the body is defined by the above.
- the terminal portion is thinner than a boundary region between the terminal portion and the trunk portion, and the inner diameter of the terminal portion is about 2 mm or less.
- the present invention by making at least the central region of the trunk thinner than the terminal, a high transmittance can be obtained at least in the central region of the trunk, and the electrode member is sealed to the terminal by a glass.
- the mechanical strength when stopping is increased.
- the luminescent material is stored in the boundary area between the terminal and the body.
- the boundary area between the terminal and the trunk is made thicker than at least the central area of the trunk, so that the influence of the progress of corrosion is emitted. It is smaller than when it is almost uniform over the entire container.
- the life of the luminous vessel according to the present invention can be extended compared to a luminous vessel formed by injection molding and having a substantially uniform wall thickness over the entire area, and thus the life of the high-pressure discharge lamp having the same. .
- the heat loss when the high-pressure discharge lamp is turned on increases, and the lamp efficiency deteriorates.
- Such an adverse effect is particularly remarkable in the case of an integrated light-emitting container for low power, and it is desirable that the diameter of the electrode member be minimized.
- the inside diameter of the terminal part is significantly larger than the diameter of the electrode member, the luminescent substance easily enters the gap between the terminal part and the electrode member after the production of the high-pressure discharge lamp, and the emission color of the high-pressure discharge lamp changes. There are inconveniences such as doing.
- the characteristics (color and efficiency) of the high-pressure discharge lamp are better if the gap between the terminal and the electrode member after the production of the high-pressure discharge lamp is smaller, that is, the inner diameter of the terminal is not significantly larger than the diameter of the electrode member. Becomes As a result, it is preferable that the inner diameter of the terminal portion be approximately 2 mm or less.
- the luminous vessel according to the present invention is a high-pressure discharge lamp for low wattage (for example, 10 W, 20 W, 50 W) and a high-pressure discharge lamp for medium watt (for example, 70 W, 100 W, 150 W). It is particularly suitable for high-pressure discharge lamps for high efficiency among discharge lamps and high-pressure discharge lamps for high wattage (for example, 250 W, 400 W). Among them, the lamp efficiency and life can be improved compared to those using a luminous vessel with a substantially uniform wall thickness by using it for other types of high-pressure discharge lamps that emphasize color rendering, for example. be able to.
- the ratio of the axial length of the terminal portion to the inner diameter of the terminal portion is 4 or more.
- the occurrence of thermal stress due to the difference in thermal expansion between the light emitting container and the electrode member in the terminal portion can be reduced, so that the glass sealing portion when the terminal portion is glass-sealed can be reduced. Reliability is further improved.
- the outer diameter of the region near the trunk of the terminal portion be approximately 4 mm or less.
- the body forming the discharge space and the terminal part into which the electrode member is inserted are integrally formed from a translucent ceramic material, and at least a central region in the body is the end.
- the light-emitting container is characterized in that the light-emitting container is thinner than a terminal portion and a boundary region between the terminal portion and the body portion, and has an inner diameter of the terminal portion of about 2 mm or less.
- the high-pressure discharge lamp according to the present invention is provided with such a light-emitting container, whereby the restriction on the inner diameter of the terminal portion of the light-emitting container is relaxed as compared with the related art, and a high transmittance is obtained at least in the central region of the body.
- the service life is prolonged and the characteristics (color, efficiency) are improved.
- the ratio of the axial length of the terminal part to the inner diameter of the terminal part can be made 4 or more, and the outer diameter of the area near the body part of the terminal part is about 4 mm to prevent the lamp efficiency from deteriorating. It can also be:
- the method for manufacturing a luminous vessel according to the present invention is a method for producing a luminous vessel for a high-pressure discharge lamp, in which a body forming a discharge space and a terminal into which an electrode member is inserted are integrally formed from a translucent ceramic material.
- a hollow cylindrical material of a light-transmitting ceramic material is set in a mold having at least a portion of air permeability, and the mold is heated or cooled at least locally, and the outer surface of the material and the mold are cooled.
- the method is characterized in that the material is brought into close contact with the mold by reducing the pressure between the inner surface and the inner surface, and the material is formed into a shape conforming to the inner surface of the mold in the close contact state.
- a hollow cylindrical material of a translucent ceramic material is set in a mold having at least a portion of air permeability, and the outer surface of the material and the inner surface of the mold are heated and cooled at least locally.
- the material is brought into close contact with the mold by depressurizing the space, and the material is formed into a shape that matches the inner surface of the mold in that state.
- the luminous vessel manufactured by the present invention is particularly suitable for a high-pressure discharge lamp of a type that emphasizes efficiency among high-pressure discharge lamps for low wattage, high-pressure discharge lamps for medium wattage, and high-pressure discharge lamps for high-wattage.
- a high-pressure discharge lamp of a type that emphasizes efficiency among high-pressure discharge lamps for low wattage, high-pressure discharge lamps for medium wattage, and high-pressure discharge lamps for high-wattage.
- At least the central region of the trunk portion is made thinner than the terminal portion and the boundary region between the terminal portion and the trunk portion due to the bulging deformation of the material in a close contact state.
- a high transmittance is obtained at least in the central region of the body, and the life of the high-pressure discharge lamp is extended.
- a hollow cylindrical material having an inner diameter of about 2 mm or less in a region corresponding to the terminal portion is set in a mold. Thereby, the characteristics of the high-pressure discharge lamp are improved.
- the ratio of the length of the terminal portion in the axial direction to the inner diameter of the terminal portion is set to 4 or more by swelling deformation of the material in the contact state.
- the occurrence of thermal stress due to the difference in thermal expansion between the luminous container and the electrode member in the terminal portion is reduced, and the reliability of the glass sealing portion when the terminal portion is glass-sealed is further improved. I do.
- the outer diameter of the region near the body of the terminal portion is further reduced, more preferably, to approximately 4 mm or less. This prevents the lamp efficiency from deteriorating.
- a high-pressure discharge lamp can be manufactured by inserting an electrode member into each of the terminal portions of the light-emitting container manufactured by the above method.
- FIG. 1 is a diagram for explaining blow molding.
- FIG. 2 is a diagram for explaining the injection molding.
- FIG. 3 is a sectional view of an embodiment of the light emitting container according to the present invention.
- 4A to 4D are cross-sectional views of a modified example of the light emitting container according to the present invention.
- FIG. 5 is a diagram for explaining a manufacturing process of the light emitting container according to the present invention.
- FIG. 6 is a flowchart of a process for manufacturing a light emitting container according to the present invention.
- FIG. 7 is a diagram showing an embodiment of the high-pressure discharge lamp according to the present invention.
- FIG. 8 and FIG. 9 are flowcharts of the manufacturing process of the high-pressure discharge lamp according to the present invention.
- FIG. 3 is a sectional view of an embodiment of the light emitting container according to the present invention.
- a substantially spherical body 1 forming a discharge space and terminal portions 2a and 2b into which electrode members are inserted are integrally formed from a translucent ceramic material, alumina.
- the outer diameter A, the inner diameter a, and the length B in the axial direction of the body 1 are set to 2-30 mm, 1-15 mm, and 2-50 mm, respectively.
- Each of the terminal portions 2a and 2b has an axial length L of 10 to 20 mm and 0.5 to 2.5 mm. Having an inner diameter d of Therefore, the ratio of the length L to the inner diameter d is 4 to 40. Setting the range of the ratio of the length L to the inner diameter d to such a value is because the generation of thermal stress due to the difference in thermal expansion between the terminal portions 2a and 2b and the electrode material to be inserted is not considered. It is suitable from a viewpoint.
- the thickness 1 1 (0.5-20 mm) in the central area of the torso 1 is the thickness 12 (0.5-30 mm) of the end portions 2a, 2b due to the bulging deformation caused by the pressure difference between the inside and outside.
- the thickness of the boundary area between the end portions 2a and 2b and the trunk portion 1 is thinner than 13 (0.5-30 mm).
- the thickness 11 of the central region thinner than the thickness 12 of the terminal portions 2a and 213, a high transmittance can be obtained in the central region of the body portion 1 and the electrode members are provided on the terminal portions 2a and 2b.
- the mechanical strength when glass sealing is increased.
- the thickness 11 of the central region thinner than the thickness 13 of the boundary region between the end portions 2a and 2b and the body portion 1, the influence of the progress of corrosion is reduced, and as a result, the high pressure The life of the discharge lamp can be extended.
- the inner diameter d is set to 2 mm or less, it is possible to reduce the gap between each of the end portions 2a and 2b after the production of the high-pressure discharge lamp and the electrode member inserted therein, and to obtain the characteristics of the high-pressure discharge lamp. Becomes better.
- FIG. 4A to 4D are cross-sectional views of a modified example of the light emitting container according to the present invention.
- the light-emitting container shown in FIG. 4A has stepped end portions 12 a and 12 b integrated with the body 11.
- the heat loss when the high-pressure discharge lamp is turned on increases as the outer diameter D1 in the area near the body 11 of the terminals 12a and 12b increases. As a result, the lamp efficiency deteriorates. Therefore, it is desirable to minimize the outer diameter of the terminal part.
- the outer diameter D1 is reduced to 4 mm. If it is larger, it is difficult to obtain a sufficient lamp efficiency.
- the outer diameter D1 is set to 1-4 mm.
- the luminous container shown in FIG. 4B has substantially tapered end portions 22 a and 22 b integrated with the body 21. Also in this case, the outer diameter D3 of the area near the body 21 of the terminal portions 22a and 22b is set to 1 to 4 mm from the viewpoint of lamp efficiency and mechanical strength.
- the light-emitting container shown in FIG. 4C includes terminal portions 32 a and 32 b each having a partially stepped shape and integrated with the body 31.
- the portion into which the molybdenum member is inserted requires higher mechanical strength than the other portions. Therefore, the outer diameter D4 of the portion, that is, the thickness of the portion is made larger than the other portions of the terminal portions 32a and 32b.
- the thickness near the tip regions is made as thin as possible.
- the difference in thermal expansion coefficient between niobium and a translucent ceramic material such as alumina is relatively small, high mechanical strength is not required. Even if the outer diameter is smaller than D4, cracks and the like are less likely to occur during sealing.
- such a light emitting container is particularly advantageous when an electrode member made of a niobium member, a molybdenum member, and a tungsten member is inserted.
- the outer diameter D6 of the region near the trunk portion 31 of the terminal portions 32a and 32b is set to 1-4 mm.
- the light-emitting container shown in FIG. 4D has substantially spindle-shaped end portions 42 a and 42 b integrated with the body 41. Also in this case, the outer diameter D7 of the portion where the molybdenum member is inserted is made larger than the outer diameter of the other portion, and the outer diameter D8 near the tip region, that is, the portion where the niobium member is inserted, is made larger than the outer diameter D7. This is particularly advantageous when an electrode member composed of a niobium member, a molybdenum member, and a tungsten member is introduced, and the terminal portions 42a and 42b are reduced in terms of lamp efficiency and mechanical strength.
- the outer diameter D 9 in the region near the torso 41 is assumed to be 1 to 4 mm.
- the shape of the terminal portion shown in FIGS. 3 and 4A-4D can be obtained by polishing or the like as described later.
- FIG. 5 is a diagram for explaining the manufacturing process of the light emitting container according to the present invention
- FIG. 6 is a flowchart of the manufacturing process of the light emitting container according to the present invention.
- the mold for molding the luminous container shown in Fig. 5 Has a vacuum chamber 53 formed by air-permeable cores 5 la and 51 b and vacuum packings 52 a and 52 b adhered thereto, and at least the cores 51 a and 51 b are heated during molding. Or be cooled.
- the cores 51a and 51b any material can be used as long as it has air permeability.
- the cores 51a and 51b are made of a porous material with at least open pores, a combination of fine-grained beads by self-fusion or a binder, and the wires are assembled after bending to form the desired shape. Press-formed metal, punched metal with pores, plastically deformed net-like material into a desired shape, or a commonly used mold material with multiple holes to allow air permeability. That is preferred.
- the kneaded material obtained in this manner is procured as raw materials to form a pipe-shaped molded body (not shown), and the molded body is formed into a core 51a, a vacuum packing 52a, a core 51b and Place and fix between vacuum packing 52b.
- a pipe-shaped molding is performed so that the translucent ceramic material of the molded body adheres along the surface of the core 51a, 5lb.
- the body is deformed to form a terminal portion and a body portion according to the shape of the mold, and a molded body of an integrated luminous container is obtained.
- FIG. 7 is a diagram showing an embodiment of the high-pressure discharge lamp according to the present invention.
- a ceramic discharge tube 62 is accommodated in an outer tube 61 made of quartz glass or hard glass, and the center axis of the outer tube 61 coincides with the center axis of the ceramic discharge tube 62. I have.
- the ceramic discharge tube 62 emits light such that a light-emitting container 64 as shown in FIG. 3 and one end are exposed to the internal space formed by the body of the light-emitting container 64 and the other end is exposed to the outside of the light-emitting container 64. It has electrode members 65a and 65b inserted into the terminals of the container 64, respectively.
- the electrode members 65a and 65b may each have any conventionally known configuration.
- the ceramic discharge tube 62 is held by two lead wires 66a and 66b, and these lead wires 66a and 66b are connected to bases 63a and 63b through foils 67a and 67b, respectively. You.
- FIG. 8 is a flowchart showing a first example of the manufacturing process of the high-pressure discharge lamp according to the present invention.
- the electrode member is processed or assembled at the same time as or before and after obtaining the fired body of the light emitting container according to the manufacturing process of the light emitting container shown in FIG. Respectively, and the gap between the electrode member and the terminal portion is sealed with glass.
- FIG. 9 is a flowchart showing a first example of the manufacturing process of the high-pressure discharge lamp according to the present invention.
- the electrode member is processed or assembled at the same time as or before and after obtaining the fired body of the light emitting container according to the manufacturing process of the light emitting container shown in FIG. Then, the electrode member and the terminal portion are integrally fired.
- the shape of the body is a spindle shape, but the shape can be any other shape such as a tubular shape and a spherical shape.
- alumina as the translucent ceramic material
- other translucent materials such as yttria, alumina yttria garnet, and quartz can be used.
- the molded product of the luminous container for a high pressure discharge lamp instead of performing vacuum suction, the molded product is formed between the core and the vacuum packing and the pipe-shaped molded product, and between the core and the vacuum packing and the pipe-shaped molded product.
- the pressure between the pipe-shaped molded body and the internal pressure of the pipe-shaped molded body can be made lower.
- the terminal portion of the light emitting container can be formed by stretching after vacuum suction forming.
- the high pressure discharge lamp according to the present invention may have a light emitting container as shown in FIGS. 4A to 4D instead of the light emitting container as shown in FIG.
- the high-pressure discharge lamp can be obtained by other known manufacturing steps.For example, instead of glass sealing or integral firing, the distance between the electrode member and the terminal portion of the light emitting container can be increased. It can also be welded.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/463,374 US6586881B1 (en) | 1998-05-27 | 1999-05-26 | Light emitting container for high-pressure discharge lamp and manufacturing method thereof |
EP99922502A EP1001452B1 (en) | 1998-05-27 | 1999-05-26 | Light emitting container for high-pressure discharge lamp and manufacturing method thereof |
JP2000551422A JP3676676B2 (ja) | 1998-05-27 | 1999-05-26 | 高圧放電灯用の発光容器の製造方法 |
HU0003266A HU227250B1 (en) | 1998-05-27 | 1999-05-26 | Discharge tube for high-pressure gas discharge lamp, high-pressure gas discharge lamp and method for their production |
DE69942052T DE69942052D1 (de) | 1998-05-27 | 1999-05-26 | Lichtemittierender halter für hochdruckentladungslampe und verfahren zu dessen herstellung |
US10/331,000 US7041240B2 (en) | 1998-05-27 | 2002-12-27 | Method of manufacturing a high pressure discharge lamp vessel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14561698 | 1998-05-27 | ||
JP10/145616 | 1998-05-27 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09463374 A-371-Of-International | 1999-05-26 | ||
US09/463,374 A-371-Of-International US6586881B1 (en) | 1998-05-27 | 1999-05-26 | Light emitting container for high-pressure discharge lamp and manufacturing method thereof |
US10/331,000 Division US7041240B2 (en) | 1998-05-27 | 2002-12-27 | Method of manufacturing a high pressure discharge lamp vessel |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999062103A1 true WO1999062103A1 (fr) | 1999-12-02 |
Family
ID=15389158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/002777 WO1999062103A1 (fr) | 1998-05-27 | 1999-05-26 | Conteneur electroluminescent pour lampe a decharge haute pression et son procede de fabrication |
Country Status (7)
Country | Link |
---|---|
US (2) | US6586881B1 (ja) |
EP (1) | EP1001452B1 (ja) |
JP (1) | JP3676676B2 (ja) |
CN (2) | CN100468603C (ja) |
DE (1) | DE69942052D1 (ja) |
HU (1) | HU227250B1 (ja) |
WO (1) | WO1999062103A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6953503B2 (en) | 2001-04-17 | 2005-10-11 | Ngk Insulators, Ltd. | Method of manufacturing molded body, slurry for molding, core for molding, method of manufacturing core for molding, hollow ceramic molded body, and light emitting container |
US7056181B2 (en) * | 2000-11-01 | 2006-06-06 | Koninklijke Philips Electronics N.V. | Method of manufacturing a lamp |
WO2006098362A1 (ja) * | 2005-03-16 | 2006-09-21 | Toshiba Lighting & Technology Corporation | 高圧放電ランプ |
JP2008533665A (ja) * | 2005-03-09 | 2008-08-21 | ゼネラル・エレクトリック・カンパニイ | 放電管 |
JP5232004B2 (ja) * | 2006-10-05 | 2013-07-10 | 日本碍子株式会社 | 接合用把持ジグ、接合装置及び接合体の製造方法 |
CN112457031A (zh) * | 2020-12-10 | 2021-03-09 | 郑州凯翔耐火材料有限公司 | 一种低蠕变高铝砖及其制备方法 |
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AU2002231135A1 (en) * | 2000-12-19 | 2002-07-01 | General Electric Company | Method for forming complex ceramic shapes |
DE10231127B4 (de) * | 2001-09-19 | 2008-09-25 | Toshiba Lighting & Technology Corp. | Hochdruck-Entladungslampe und Leuchtkörper |
US6791267B2 (en) * | 2001-10-02 | 2004-09-14 | Ngk Insulators, Ltd. | High pressure discharge lamps, lighting systems, head lamps for automobiles and light emitting vessels for high pressure discharge lamps |
JP3907041B2 (ja) * | 2001-10-11 | 2007-04-18 | 日本碍子株式会社 | 高圧放電灯用放電管および高圧放電灯 |
TW557057U (en) * | 2002-10-09 | 2003-10-01 | Lite On Technology Corp | Scanner |
US20050194908A1 (en) * | 2004-03-04 | 2005-09-08 | General Electric Company | Ceramic metal halide lamp with optimal shape |
DE102004024272A1 (de) * | 2004-05-15 | 2005-12-01 | Lanxess Deutschland Gmbh | Pfropfpolymerisathaltige Massen für die Extrusionsverarbeitung |
JP4743847B2 (ja) * | 2005-05-18 | 2011-08-10 | 株式会社小糸製作所 | 自動車用前照灯 |
JP2007026921A (ja) * | 2005-07-19 | 2007-02-01 | Koito Mfg Co Ltd | 自動車用放電バルブ |
US7394200B2 (en) * | 2005-11-30 | 2008-07-01 | General Electric Company | Ceramic automotive high intensity discharge lamp |
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1999
- 1999-05-26 JP JP2000551422A patent/JP3676676B2/ja not_active Expired - Fee Related
- 1999-05-26 CN CNB2003101024486A patent/CN100468603C/zh not_active Expired - Fee Related
- 1999-05-26 US US09/463,374 patent/US6586881B1/en not_active Expired - Fee Related
- 1999-05-26 WO PCT/JP1999/002777 patent/WO1999062103A1/ja active Application Filing
- 1999-05-26 HU HU0003266A patent/HU227250B1/hu not_active IP Right Cessation
- 1999-05-26 DE DE69942052T patent/DE69942052D1/de not_active Expired - Lifetime
- 1999-05-26 CN CNB998008486A patent/CN1155987C/zh not_active Expired - Fee Related
- 1999-05-26 EP EP99922502A patent/EP1001452B1/en not_active Expired - Lifetime
-
2002
- 2002-12-27 US US10/331,000 patent/US7041240B2/en not_active Expired - Fee Related
Patent Citations (3)
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JPH0620649A (ja) * | 1992-07-03 | 1994-01-28 | Toto Ltd | 金属蒸気放電灯の透光性バルブ及びその製造方法 |
JPH07192704A (ja) * | 1993-10-04 | 1995-07-28 | General Electric Co <Ge> | 端部を曲げたランプ |
JPH11167896A (ja) * | 1997-12-03 | 1999-06-22 | Iwasaki Electric Co Ltd | 金属蒸気放電灯 |
Non-Patent Citations (1)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7056181B2 (en) * | 2000-11-01 | 2006-06-06 | Koninklijke Philips Electronics N.V. | Method of manufacturing a lamp |
US6953503B2 (en) | 2001-04-17 | 2005-10-11 | Ngk Insulators, Ltd. | Method of manufacturing molded body, slurry for molding, core for molding, method of manufacturing core for molding, hollow ceramic molded body, and light emitting container |
US7407145B2 (en) | 2001-04-17 | 2008-08-05 | Ngk Insulators, Ltd. | Core for molding hollow ceramic molded body and light emitting container |
JP2008533665A (ja) * | 2005-03-09 | 2008-08-21 | ゼネラル・エレクトリック・カンパニイ | 放電管 |
WO2006098362A1 (ja) * | 2005-03-16 | 2006-09-21 | Toshiba Lighting & Technology Corporation | 高圧放電ランプ |
JP5232004B2 (ja) * | 2006-10-05 | 2013-07-10 | 日本碍子株式会社 | 接合用把持ジグ、接合装置及び接合体の製造方法 |
CN112457031A (zh) * | 2020-12-10 | 2021-03-09 | 郑州凯翔耐火材料有限公司 | 一种低蠕变高铝砖及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
HU227250B1 (en) | 2010-12-28 |
CN100468603C (zh) | 2009-03-11 |
EP1001452A1 (en) | 2000-05-17 |
US6586881B1 (en) | 2003-07-01 |
HUP0003266A3 (en) | 2003-04-28 |
US7041240B2 (en) | 2006-05-09 |
CN1577692A (zh) | 2005-02-09 |
HUP0003266A2 (hu) | 2002-01-28 |
CN1272220A (zh) | 2000-11-01 |
JP3676676B2 (ja) | 2005-07-27 |
CN1155987C (zh) | 2004-06-30 |
EP1001452A4 (en) | 2004-10-20 |
DE69942052D1 (de) | 2010-04-08 |
EP1001452B1 (en) | 2010-02-24 |
US20030096551A1 (en) | 2003-05-22 |
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