EP0024060B1 - Electric lamp with a socket-form base - Google Patents
Electric lamp with a socket-form base Download PDFInfo
- Publication number
- EP0024060B1 EP0024060B1 EP80200708A EP80200708A EP0024060B1 EP 0024060 B1 EP0024060 B1 EP 0024060B1 EP 80200708 A EP80200708 A EP 80200708A EP 80200708 A EP80200708 A EP 80200708A EP 0024060 B1 EP0024060 B1 EP 0024060B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holding device
- lamp
- slot
- base
- cap
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 210000002105 tongue Anatomy 0.000 claims 2
- 238000005476 soldering Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 101100129922 Caenorhabditis elegans pig-1 gene Proteins 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 101100520057 Drosophila melanogaster Pig1 gene Proteins 0.000 description 2
- 102100021749 LIM and senescent cell antigen-like-containing domain protein 3 Human genes 0.000 description 2
- 101710104347 LIM and senescent cell antigen-like-containing domain protein 3 Proteins 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 208000034526 bruise Diseases 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
- H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
Definitions
- the invention relates to an electric lamp with a sleeve-shaped base into which a holding device carrying the lamp bulb is inserted.
- the base and the holding device are connected to one another after assembly by soldering or welding. Such connections are cumbersome and expensive. that when using thin wall thicknesses, the material can be destroyed during spot welding.
- the invention is therefore based on the object.
- the base and holding device can be connected to one another without additional heat treatment, such as welding or soldering.
- the sleeve-shaped base has at least two inwardly projecting cams
- the holding device is a cylindrical sleeve, which is provided on its cylinder jacket with at least two slot-like recesses extending in the lamp axis up to its inner edge, and that Grip recesses over the cams.
- the cams are preferably designed as projections pressed out of the metal base wall.
- the cams can also be designed as pins which protrude inwards and are fastened to the base
- the slot-like cutouts expediently widen towards the edge. In this way, the base and the holding device can be easily assembled without prior precise alignment of the two parts to one another
- the slot-like recesses can be provided with resilient tabs which are pushed apart by the base cams when the inner sleeve is inserted into the base and spring back behind the cams in the position of the holding device.
- the resilient tabs of the inner sleeve practically snap into place behind the base cams and thus ensure that the inner sleeve is firmly seated in the base, even in the axial direction.
- the tabs can e.g. B. consist of inwardly bent resilient edge parts of the adjoining the slit-like recesses of the cylindrical sleeve of the l laltvorrirhtung.
- incandescent lamps can be used in motor vehicles.
- 1 and 2 is 1 em z.
- the holding device 9 is on your cylinder jacket 12 with which in the lamp axis up to the inside of the base Edge 13 extending slot-like recesses 14 which expand towards the edge 13.
- the holding device 9 is arranged closely fitting in a sleeve-shaped base 15 made of metal.
- the base 15 has two inwardly pressed cams 16, via which the slot-like recesses 14 of the holding device 9 engage when they are inserted into the base 15.
- the holding device 9 is pushed into the base 15 until the base cams 16 abut the end of the slot-like recesses 14 in the cylinder jacket 12 of the holding device 9.
- the ends 6 and 7 of the power supply wires 3 and 4 are then soldered to the base contacts 17 and 18 in a tightly tensioned state, as a result of which the holding device 9 is also secured in the base 15 in the axial direction.
- FIGS. 6 to 11 show an embodiment of a lamp according to the invention, in which the axial securing of the holding device in the lamp base takes place differently.
- the same parts have the same reference numerals as in FIGS. 1 to 5.
- the holding tabs 10 in the cover plate 8 of the holding device 9 are not bent at right angles, but are only bent obliquely inwards.
- the pinch 2 of the lamp bulb 1 has, on its two longitudinal sides, projections 19 extending transversely to the lamp longitudinal axis, behind which the obliquely bent retaining tabs 10 of the holding device 9 latch in a locking manner when the lamp bulb 1 is inserted (cf. e.g. DE-GM 7 526 777 or U.S. Patent 4,119877).
- the holding device 9 is in turn provided with slot-like recesses 24 which extend to the edge 13 of the cylinder jacket 12 of the holding device 9.
- the slot-like recesses 24 have in their central region inwardly projecting resilient tabs 20, which consist of inwardly bent edge parts of the cylinder jacket 12 of the holding device 9 adjoining the slot-like recesses 24.
- These resilient tabs 20 slightly reduce the width of the cutouts 24, but are pushed apart by the cams 16 when the holding device 9 is inserted into the sleeve-shaped base 15 and spring back in the end position of the holding device 9 behind the cams 16, thereby axially securing the holding device 9 is reached in the base 15 (Fig. 7).
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Description
Die Erfindung bezieht sich auf eine elektrische Lampe mit einem hülsenförmigen Sockel, in den eine den Lampenkblben tragende Haltevorrichtung eingeschoben ist.The invention relates to an electric lamp with a sleeve-shaped base into which a holding device carrying the lamp bulb is inserted.
Bei bekannten Lampen dieser Art (z. B. DE-OS 1489414 oder FR-PS 769 029) werden Sockel und Haltevorrichtuncg nach dem Zusammenbau durch Loten oder Schweißen miteinander verbunden Derartige Verbindungen sind umständlich und teuer Hinzu kommt noch. daß bei Verwendung dunner Wandstärken das Material beim Punktschweißen zerstört werden kann. Der Erfindung liegt daher die Aufgabe zuuruncde. eine elektrische Lampe zu schaffen, deren Sockel und Haltevorrichtung ohne zusatzliche Wärrnebehandlung, wie z B Schweißen oder Loten, miteinander verbunden werden konnen.In known lamps of this type (eg DE-OS 1489414 or FR-PS 769 029), the base and the holding device are connected to one another after assembly by soldering or welding. Such connections are cumbersome and expensive. that when using thin wall thicknesses, the material can be destroyed during spot welding. The invention is therefore based on the object. To create an electric lamp, the base and holding device can be connected to one another without additional heat treatment, such as welding or soldering.
Diese Aufgabe wird bei einer elektrischen Lantpe einangs erwähnter Art gernäß der Er. fiudung dadurch gelöst, daß der hülsenförmirge Sockel wenigstens zwei nach innen ragende Nocken aufweist, daß die Haltevorrichtung eine zylinderformige Hülse ist, die auf ihrem Zylinderrnantel mit wenigstens zwei sich in Lampenachsnchtung bis zu ihrem im Sockelinneren liegenden Rand erstreckenden schlitzartigen Aussparungen versehen ist, und daß die Aussparungen uber die Nocken greifen.In an electric lantpe of the type mentioned at the beginning, this task is preferred according to the Er. fiudung solved in that the sleeve-shaped base has at least two inwardly projecting cams, that the holding device is a cylindrical sleeve, which is provided on its cylinder jacket with at least two slot-like recesses extending in the lamp axis up to its inner edge, and that Grip recesses over the cams.
Auf diese Weise wird eine rein mechanische Befestigung zwischen Lampensockel und Innenhülse erreicht.In this way, a purely mechanical fastening between the lamp base and the inner sleeve is achieved.
Vorzugsweise sind die Nocken als aus der metallenen Sockelwand nach innen herausgedrückte Vorsprünge ausgebildet. Die Nocken können allerdings auch als am Sockel befestigte, nach innen ragende Stifte ausgebildet seinThe cams are preferably designed as projections pressed out of the metal base wall. However, the cams can also be designed as pins which protrude inwards and are fastened to the base
Zweckmaßigerweise erweitern sich die schlitzartigen Aussparungen zum Rand hin Auf diese Weise lassen sich Sockel und Haltevorrichtung leicht zusammensetzen ohne vorherige genaue Ausrichtung beider Teile zueinanderThe slot-like cutouts expediently widen towards the edge. In this way, the base and the holding device can be easily assembled without prior precise alignment of the two parts to one another
Durch das eng passende Zusammenwirken der schlitzartigen Aussparungen der Haltevornchtung mit den Sockelnocken sind Sockel und Innenhülse gegen Verdrehung gesichert Eine Bewegung in axialer Richtung läßt sich in be kannter Weise dadurch vermeiden, daß die au3 dem Lampenkolben herausragenden Stromzuführungsdrahte straff gespannt und mrt den Suckelkontakten verlotet werden (DE-OS 1 908 64 1 ) .Due to the closely fitting interaction of the slot-like recesses of the holding device with the base cams, the base and inner sleeve are secured against rotation. Movement in the axial direction can be avoided in a known manner by tensioning the power supply wires projecting from the lamp bulb and soldering them to the sucker contacts ( DE-OS 1 908 64 1).
Wenn die Stromzufuhrungsdrahte. z. B aus mechanischen Gründen. zur axialen Sicherung zwischen Sockel und Haltevurrichtung nicht geeignet sind. können gemäß einer vorteilhaften Weiterbildung der Lampe nach der Erfindnng die schlitzartigen Aussparungen mit federnden Laschen versehen sein, die beim Einsetzen der Innenhülse in den Sockel von den Sockelnocken auseinandergedrückt werden und in der Fnd stelluncg der Haltevomchtung hinter die Nocken zurückfedern. Auf diese Weise rasten die federnden Laschen der Innenhülse praktisch hinter die Sockelnocken ein und gewährleisten somit einen festen Sitz der Innenhülse im Sockel auch in axialer Richtung.If the power supply wires. e.g. B for mechanical reasons. are not suitable for axial securing between the base and the holding device. According to an advantageous development of the lamp according to the invention, the slot-like recesses can be provided with resilient tabs which are pushed apart by the base cams when the inner sleeve is inserted into the base and spring back behind the cams in the position of the holding device. In this way, the resilient tabs of the inner sleeve practically snap into place behind the base cams and thus ensure that the inner sleeve is firmly seated in the base, even in the axial direction.
Die Laschen können z. B. aus nach innen umgebogenen federnden Randteilen des sich an die srhlitzartigen Aussparungen anschließenden Zylinderrnantela der I laltevorrirhtung bestehen.The tabs can e.g. B. consist of inwardly bent resilient edge parts of the adjoining the slit-like recesses of the cylindrical sleeve of the l laltvorrirhtung.
Uie Lampen mach der Frfindung konnen in Kraftfahrzeugen verwendbare Glühlampen sein. , B. 3chlußlichtt- oder Blinklichtlampen.Like lamps of the invention, incandescent lamps can be used in motor vehicles. , B. 3 taillights or flashing lights.
Zwei Ausführtirrgshersprele von Lampen nach der Brlrndung werden nunmehr anhand der Zerehnung naher erläutent. Es zeojen :
- Frgur 1 emen Langsschnitt durch eine Gluhlampe. deienlolkden in emer hulsentormigen Haltevorrichtung sitzt. die in einem Sockel untergebracht ist .
- Frgur 2 einen Langsschmtt durch die Lampe nach Frg. 1 langs der Linie II-II .
- Frgur3 eine Draufsicht auf die Hallevomchlung der Lampe nach den Pig 1 nnd 2 in dergloßertemm Mallstab
Figur 4 einen Länysschmtt durch die Halte vomchtuncg nach Frg 3 längs der Lime IV-IV- Frgur 5 einen um 90 gedrehten Längsschnitt durch die Haltevorrichtung längs der Lmie V-V in I lg 4
Flguren 6 und 7 zwei um 90 gedrehteLangsschnitte emer Gluhlampe mit einer andersartigen Haltevorrichtung .- Flgur 8 eine Draufsicht auf die Haltevomich tung der Lamtpe nac h den Fig. 6 und 7 in ver. grlßertem Maßstab ,
Figur 9 einen Langsschmtt durch die Hallevorrichtung nach Frg. 8 längs der Lime IX-IX :Figur 10 einen um 90° gedrehten Längsschnitt durch die Haltevorrichtung längs der Linie X-X der Fig. 9 ,Figur 11 einen Querschnitt durch die Haltevorrichtung längs der Lmie XI-XI der Fig. 10.
- Frgur 1 a longitudinal section through an incandescent lamp. deienlolkden sits in a sleeve-shaped holding device. which is housed in a base.
- Frgur 2 a Langsschmtt through the lamp after Frg. 1 along the line II-II.
- Frgur3 a top view of the Hallvomchlung the lamp after the
1 and 2 in dergloßertemm MallstabPig - Figure 4 shows a Länysschmtt through the Haltchtchtg after
Frg 3 along the lime IV-IV - Frgur 5 a longitudinal section rotated by 90 through the holding device along the Lmie VV in
I lg 4 - Figures 6 and 7 are two longitudinal sections of an incandescent lamp rotated by 90 with a different type of holding device.
- Fig. 8 is a plan view of the holding device of the lamphead according to Figs. 6 and 7 on an enlarged scale,
- 9 shows a longitudinal section through the hall device according to Frg. 8 along the lime IX-IX:
- FIG. 10 shows a longitudinal section rotated through 90 ° through the holding device along the line XX of FIG. 9,
- 11 shows a cross section through the holding device along the line XI-XI of FIG. 10.
In den Fig 1 und 2 ist 1 em z. B. aus Hartgles bestehender Kolben einer klemen Halogengluhlarnpe der an semem Ende eine im Querchnitt rechtecklge Quelschung 2 aulweist. in welche Stiomzufumungsdrahte 3 und 4 zu emer Gluhwendel 5 emgebettet slnd. deren E nden 6 und 7 aus der Quetschung 2 2 herausragen.1 and 2 is 1 em z. B. from Hartgles existing piston a klemen Halogengluhlarnpe of a cross-section
Der Lampenkolben ist mit seiner Quetschung ? in emer Deckplatte 8 einer metalhschen hülsenformige Haltevomichtung ') gehaltert (Frg. 3 brs 5) Hlerful sind aus der Deckplatte 8 zwei Hattelaschen 10 rechtwinklig heraus gedruckt deren Abstand der Breite der Qustschung 2 entspucht In dre so entstandtene Off nurrq 11 der Deckplatte ist die Quetschung 2 bis zum Anschlag an denkolben 1 klernmend emge_ setzt.The lamp bulb with its bruise? in a
Die Halteveumchtung 9 ist aut lhrem Zylindermantel 12 mit wel sich in Lampenachsnchtung bis zu threm im Sockelinneren hegenden Rand 13 erstreckenden schlitzartigen Aussparungen 14 versehen, welche sich zum Rand 13 hin erweitern.The
Die Haltevorrichtung 9 ist eng passend in einem hülsenförmigen Sockel 15 aus Metall angeordnet. Hierfür weist der Sockel 15 zwei nach innen herausgedrückte Nocken 16 auf, über welche die schlitzartigen Aussparungen 14 der Haltevorrichtung 9 bei deren Einsetzen in den Sockel 15 greifen. Hierdurch sind der Sockel 15 und die Haltevorrichtung 9 einander gegenüber gegen Verdrehung gesichert. Die Haltevorrichtung 9 wird so weit in den Sockel 15 eingeschoben, bis die Sockelnocken 16 an das Ende der schlitzartigen Aussparungen 14 im Zylindermantel 12 der Haltevorrichtung 9 anstoßen. Anschließend werden die Enden 6 und 7 der Stromzuführungsdrähte 3 und 4 in straff gespanntem Zustand mit den Sockelkontakten 17 und 18 verlötet, wodurch die Haltevorrichtung 9 im Sockel 15 auch in axialer Richtung gesichert wird.The
Die Fig. 6 bis 11 zeigen eine Ausführungsform einer erfindungsgemäßen Lampe, bei der die axiale Sicherung der Haltevorrichtung im Lampensockel andersartig erfolgt. Gleiche Teile haben dieselben Bezugszeichen wie in den Fig. 1 bis 5 erhalten. Bei dieser Ausführungsform sind jedoch in der Deckplatte 8 der Haltevorrichtung 9 die Haltelaschen 10 nicht rechtwinklig, sondern nur schräg nach innen abgebogen. Die Quetschung 2 des Lampenkolbens 1 weist auf ihren beiden Längsseiten sich quer zur Lampenlängsachse erstreckende Ansätze 19 auf, hinter welche die schräg abgebogenen Haltelaschen 10 der Haltevorrichtung 9 beim Einsetzen des Lampenkolbens 1 verriegelnd einrasten (vgl. z. B. DE-GM 7 526 777 oder US-PS 4 119877). Die Haltevorrichtung 9 ist wiederum mit schlitzartigen Aussparungen 24 versehen, die sich bis zum Rand 13 des Zylindermantels 12 der Haltevorrichtung 9 erstrecken. Die schlitzartigen Aussparungen 24 weisen hierbei aber in ihrem mittleren Bereich nach innen ragende federnde Laschen 20 auf, welche aus nach innen umgebogenen Randteilen des sich an die schlitzartigen Aussparungen 24 anschließenden Zylindermantels 12 der Haltevorrichtung 9 bestehen. Diese federndjn Laschen 20 verringern die Breite der Aussparungen 24 etwas, werden aber beim Einsetzen der Haltevorrichtung 9 in den hülsenförmigen Sockel 15 von deren Nocken 16 auseinandergedrückt und federn in der Endstellung der Haltevorrichtung 9 hinter die Nocken 16 zurück, wodurch eine axiale Sicherung der Haltevorrichtung 9 im Sockel 15 erreicht wird (Fig. 7).6 to 11 show an embodiment of a lamp according to the invention, in which the axial securing of the holding device in the lamp base takes place differently. The same parts have the same reference numerals as in FIGS. 1 to 5. In this embodiment, however, the
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792932638 DE2932638A1 (en) | 1979-08-11 | 1979-08-11 | ELECTRIC LAMP WITH A SOCKET-BASED BASE |
DE2932638 | 1979-08-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0024060A1 EP0024060A1 (en) | 1981-02-18 |
EP0024060B1 true EP0024060B1 (en) | 1983-03-09 |
Family
ID=6078259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP80200708A Expired EP0024060B1 (en) | 1979-08-11 | 1980-07-21 | Electric lamp with a socket-form base |
Country Status (5)
Country | Link |
---|---|
US (1) | US4396860A (en) |
EP (1) | EP0024060B1 (en) |
JP (1) | JPS5628462A (en) |
CA (1) | CA1164926A (en) |
DE (2) | DE2932638A1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2933359A1 (en) * | 1979-08-17 | 1981-03-26 | Philips Patentverwaltung GmbH, 22335 Hamburg | ELECTRIC LAMP WITH A SOCKET-BASED BASE |
NL8102594A (en) * | 1981-05-27 | 1982-12-16 | Philips Nv | ELECTRIC LAMP WITH A MECHANICALLY ATTACHED LAMP BASE. |
NL8103436A (en) * | 1981-07-21 | 1983-02-16 | Philips Nv | ELECTRIC LAMP WITH KITLESS FIXED LAMP BASE. |
DE8121528U1 (en) * | 1981-07-22 | 1982-11-18 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | TWO-THREAD HALOGEN BULB FOR MOTOR VEHICLE HEADLIGHTS |
DE8131006U1 (en) * | 1981-10-23 | 1983-04-07 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | ELECTRIC LAMP |
JPS58159153U (en) * | 1982-04-19 | 1983-10-24 | ウシオ電機株式会社 | light bulb device |
US4463278A (en) * | 1982-05-21 | 1984-07-31 | General Electric Company | Lamp unit having accurately positioned filament |
US4464600A (en) * | 1982-05-21 | 1984-08-07 | General Electric Company | Lamp unit having accurately positioned filament |
DE3221290A1 (en) * | 1982-06-05 | 1983-12-08 | Philips Patentverwaltung Gmbh, 2000 Hamburg | ELECTRIC LAMP WITH A SOCKET-BASED BASE |
JPS5960962A (en) * | 1982-09-30 | 1984-04-07 | 株式会社東芝 | Tubular bulb |
JPS6044358U (en) * | 1983-09-05 | 1985-03-28 | 株式会社小糸製作所 | light bulb with base |
DE3567319D1 (en) * | 1984-08-17 | 1989-02-09 | Philips Nv | Capped electric lamp |
US4687965A (en) * | 1985-03-07 | 1987-08-18 | U.S. Philips Corporation | Capped electric lamp |
US4647137A (en) * | 1985-03-26 | 1987-03-03 | Voltarc Tubes, Inc. | Lamp base connector assembly |
JPH01103159U (en) * | 1987-12-26 | 1989-07-12 | ||
EP0384240B1 (en) * | 1989-02-24 | 1994-04-20 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Electrical lamp capped without cement |
US5436526A (en) * | 1992-06-19 | 1995-07-25 | U.S. Philips Corporation | Method of placing a single-capped electric lamp in a lampholder, single-capped electric lamp designed for this purpose, and luminaire provided with the single-capped electric lamp |
DE69402000T2 (en) * | 1993-07-05 | 1997-08-28 | Philips Electronics Nv | Lamp / reflector unit |
US5696424A (en) * | 1996-09-26 | 1997-12-09 | Osram Sylvania Inc. | Alignment structure for headlamp capsule |
US6741034B2 (en) * | 2002-08-22 | 2004-05-25 | Osram Sylvania Inc. | Starting aid for high intensity discharge lamp |
EP1403905A3 (en) * | 2002-09-30 | 2006-06-14 | Osram Sylvania, Inc. | Snap-on spring clip for ceramic HID lamp |
US6997578B2 (en) | 2003-05-09 | 2006-02-14 | Steril-Aire, Inc. | Environmentally resistant germicidal system |
US10271383B2 (en) * | 2015-10-13 | 2019-04-23 | Applied Materials, Inc. | Lamp base adapter design for baseless lamps |
CN110227870B (en) * | 2018-12-26 | 2024-06-28 | 保定来福汽车照明集团有限公司 | Lamp holder welding mud modeling tool |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1489415A1 (en) * | 1963-02-12 | 1969-01-09 | Philips Nv | Device for attaching a round object to a stop in a sleeve and for fastening the same in this sleeve |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2692154A (en) * | 1950-06-21 | 1954-10-19 | Gen Electric | Electric lamp base construction |
NL272114A (en) * | 1960-12-05 | |||
NL288232A (en) * | 1963-01-28 | |||
JPS5249577Y2 (en) * | 1973-02-10 | 1977-11-10 | ||
HU169187B (en) * | 1974-07-03 | 1976-10-28 | ||
DE7526777U (en) * | 1975-08-23 | 1976-06-03 | Philips Patentverwaltung Gmbh, 2000 Hamburg | ELECTRIC LAMP WITH BASE PLATE |
DE2605433C3 (en) * | 1976-02-12 | 1979-01-25 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Electric light bulb with centering ring |
DE2814461A1 (en) * | 1978-04-04 | 1979-10-18 | Patra Patent Treuhand | ELECTRIC LAMP |
-
1979
- 1979-08-11 DE DE19792932638 patent/DE2932638A1/en not_active Withdrawn
-
1980
- 1980-07-21 EP EP80200708A patent/EP0024060B1/en not_active Expired
- 1980-07-21 DE DE8080200708T patent/DE3062281D1/en not_active Expired
- 1980-07-31 CA CA000357393A patent/CA1164926A/en not_active Expired
- 1980-08-06 US US06/175,630 patent/US4396860A/en not_active Expired - Lifetime
- 1980-08-08 JP JP10839880A patent/JPS5628462A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1489415A1 (en) * | 1963-02-12 | 1969-01-09 | Philips Nv | Device for attaching a round object to a stop in a sleeve and for fastening the same in this sleeve |
Also Published As
Publication number | Publication date |
---|---|
US4396860A (en) | 1983-08-02 |
DE2932638A1 (en) | 1981-02-26 |
JPS5628462A (en) | 1981-03-20 |
CA1164926A (en) | 1984-04-03 |
EP0024060A1 (en) | 1981-02-18 |
DE3062281D1 (en) | 1983-04-14 |
JPS6310863B2 (en) | 1988-03-09 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): BE DE FR GB IT NL |
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