DE2749942A1 - HEADLIGHT - Google Patents
HEADLIGHTInfo
- Publication number
- DE2749942A1 DE2749942A1 DE19772749942 DE2749942A DE2749942A1 DE 2749942 A1 DE2749942 A1 DE 2749942A1 DE 19772749942 DE19772749942 DE 19772749942 DE 2749942 A DE2749942 A DE 2749942A DE 2749942 A1 DE2749942 A1 DE 2749942A1
- Authority
- DE
- Germany
- Prior art keywords
- sleeve
- mirror
- lamp
- passage
- headlight
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
- F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
- F21V19/0065—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a bayonet base
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Projection Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
Banken: Deutsche Bank Nr.ee/S2eO1 Bayer. Hypothekenbank Nr 172/2ΘΟΟ2 Poetecheck München Nr. 47 302-603Banks: Deutsche Bank Nr.ee/S2eO1 Bayer. Mortgage bank No. 172 / 2ΘΟΟ2 Poetecheck Munich No. 47 302-603
8 MÜNCHEN 8 O Sohumannetr. 2 — Tel. (OSO) 4710 47 Telegramme ι Patentwedde - Munohen8 MUNICH 8 O Sohumannetr. 2 - Tel. (OSO) 4710 47 Telegrams ι Patentwedde - Munohen
8. November 1977November 8, 1977
Akte; PGm 23 457File; PGm 23 457
ScheinwerferHeadlights
Die Erfindung betrifft einen Scheinwerfer, bestehend aus einem zylindrischen Körper, welcher an einem seiner Enden durch eine Glasscheibe verschlossen ist, und in dem eine Lampe und ein Spiegel untergebracht sind, deren Achsen mit der des Körpers zusammenfallen. The invention relates to a headlamp consisting of a cylindrical body which is closed at one of its ends by a pane of glass and in which a lamp and a mirror are housed, the axes of which coincide with that of the body.
Aufgabe der Erfindung ist die Schaffung eines luftdichten und belüfteten Scheinwerfers. The object of the invention is to create an airtight and ventilated headlight.
809616/0910809616/0910
Gemäß der Erfindung sind der Spiegel und die Lampe im Inneren einer zylindrischen Büchse eingebaut, die im Körper koaxial zu diesem angeordnet ist, dergestalt, daß ein Durchlaß mit ringförmigem Querschnitt zwischen dem Körper und der Büchse ausgebildet ist, daß das vordere Ende der Büchse mit einem Zwischenraum zur Ciasscheibe angeordnet ist, so daß der Durchlaß mit dem Inneren der Büchse über diesen Zwischenraum in Verbindung steht und das hintere Ende der Büchse sich an den Außenrand eines ringförmigen Teiles anschließt, dessen Achse mit derjenigen des Körpers des Scheinwerfers zusammenfällt, welches vom Boden des Körpers einen Abstand aufweist und einen Lüfter trägt, wobei Durchlässe im Spiegel und im Träger der Lampe ausgebildet sind, so daß eine Zirkulation der Luft in geschlossenem Kreislauf ermöglicht ist, welche durch den Lüfter in Bewegung gebracht ist, in den Raum zwischen dem ringförmigen Teil und den Boden des Scheinwerfers gedrückt wird, dann in den ringförmigen Durchlaß und wieder zum Lüfter zurückkehrt, wobei sie in der Achse des Scheinwerfers um die Lampe herum zirkuliert. Die sich beim Strömen um die Lampe erwärmende Luft wird auf ihrem Wege durch den ringförmigen Durchlaß durch Wärmeaustausch mit der Umgebungsluft durch den Körper des Scheinwerfers hindurch gekühlt; der Körper ist vorteilhaft mit Rippen versehen, um diesen Wärmeaustausch zu intensivieren. Die Büchse kann aus zwei, mit den Enden aneinanderstoßenden Teilen ausgeführt sein, wobei der Rand des Spiegels zwischen den beiden Teilen der Büchse festgehalten wird.According to the invention, the mirror and the lamp are installed inside a cylindrical sleeve which is coaxial in the body is arranged to this, such that a passage with an annular cross-section between the body and the sleeve is designed that the front end of the sleeve is arranged with a gap to the Ciasscheibe, so that the passage communicates with the interior of the sleeve via this space in communication and the rear end of the Bushing adjoins the outer edge of an annular part, the axis of which with that of the body of the headlamp coincides, which has a distance from the bottom of the body and carries a fan, with passages are formed in the mirror and in the support of the lamp, so that a circulation of the air in a closed circuit is possible which is set in motion by the fan, into the space between the annular part and the floor of the headlamp, then into the annular passage and returns to the fan, circulating around the lamp in the axis of the headlamp. Which Air heating as it flows around the lamp is on its way through the annular passage by heat exchange cooled with the ambient air through the body of the headlamp; the body is advantageously provided with ribs, to intensify this heat exchange. The bushing can consist of two parts that are butted together at the ends with the edge of the mirror held between the two parts of the sleeve.
809819/0960809819/0960
27*9942 ο27 * 9942 ο
Ein nicht beschränkendes Ausführungsbeispiel der Erfindung ist in der einzigen Figur der Zeichnung dargestellt und wird im folgenden näher beschrieben·A non-limiting embodiment of the invention is shown in the single figure of the drawing and is described in more detail below
Der Scheinwerfer weist einen zylindrischen, mit Rippen 12 versehenen Körper 10 auf, welche die Kühlung des Scheinwerfers verbessern. An einem seiner Enden ist er durch einen Boden 14, der durch Schrauben unter Zwischenlegen einer Dichtung 16 befestigt ist, und an seinem anderen Ende durch eine Glasscheibe 18 verschlossen, die in eine durch Schrauben unter Zwischenlegen einer Dichtung 21 befestigten Einfassung 20 eingesetzt ist.The headlight has a cylindrical, ribbed 12 provided body 10, which improve the cooling of the headlight. At one of its ends it is through a floor 14, which is fastened by screws with the interposition of a gasket 16, and at its other end by a pane of glass 18 closed, which is fastened in an enclosure 20 is used.
Im Inneren des Körpers 10 und koaxial zu diesem ist eine Büchse 22 eingesetzt, deren Durchmesser etwas kleiner als der Innendurchmesser des Körpers ist, so daß zwischen ihnen ein Durchlaß 24 mit Ringquerschnitt ausgebildet ist· Die Büchse 1st im Körper 10 durch Stopfen 26 und Blattfedern zentriert.Inside the body 10 and coaxial to this a sleeve 22 is used, the diameter of which is slightly smaller than is the inner diameter of the body so that a passage 24 with an annular cross-section is formed between them Bushing is centered in body 10 by plugs 26 and leaf springs.
Das vordere Ende der Büchse 22 ist mit einem gewissen Abstand von der Scheibe 18 angeordnet, dergestalt, daß der Durchlaß 24 mit dem Inneren der Büchse an diesem Ende in Verbindung steht.The front end of the sleeve 22 is arranged at a certain distance from the disc 18, such that the Passage 24 communicates with the interior of the sleeve at that end.
Das hintere Ende der Büchse stützt sich am Außenrand eines ringförmigen Teiles 30 ab, das mit Bolzen 31 am Boden 14The rear end of the bushing is supported on the outer edge of an annular part 30, which is fastened to the bottom 14 with bolts 31
809819/0910 ~4~809819/0910 ~ 4 ~
- yf -- yf -
befestigt ist. Dieses Teil weist in seiner Mitte einen Kragen auf, an dem ein Lüfter 32 befestigt ist; dieser läßt die Luft im Durchlai3 24 und im Inneren der Büchse 22 in geschlossenem Kreislauf zirkulieren.is attached. This part has in its center a collar to which a fan 32 is attached; this leaves the air in the passage 24 and inside the sleeve 22 in closed Circulate circulation.
Die Büchse 22 besteht aus zwei Teilen, die durch einen Ring 34 verbunden sind; an diesem sind außerdem der Rand eines Spiegels 36 und Laschen 38 befestigt, die einen Rückstrahlspiegel 40 tragen«, Um den Ring 34 herum ist im Körper 10 eine Ringnut eingearbeitet, um einen annähernd konstanten Querschnitt für den Durchlaß 24 zu schaffen.The sleeve 22 consists of two parts which are connected by a ring 34; at this one is also the edge of one Mirror 36 and tabs 38 attached to a rearview mirror 40 ', around the ring 34 an annular groove is worked into the body 10, around an approximately constant one To create cross-section for the passage 24.
Der Scheinwerfer ist mit einer Lampe Ί2 mit langgestreckter Form ausgerüstet, die koaxial zum Körper 10 angeordnet und an ihren beiden Enden gelagert und mit Strom versorgt ist. Das hintere Auflager 48 der Lampe ist mit breiten Öffnungen versehen, die ihre Belüftung ermöglichen. Das vordere Ende der Lampe ist durch Laschen 38 abgestützt«The headlight comes with a lamp Ί2 with elongated Equipped form, which is arranged coaxially to the body 10 and mounted at both ends and supplied with power. The rear seat 48 of the lamp is provided with wide openings to allow its ventilation. The front end the lamp is supported by brackets 38 "
Außerdem weist der Scheinwerfer eine Abdeckhülse 60 auf, die vor einer zentralen Öffnung des Spiegels 36 und koaxial zu diesem angeordnet ist und die Lampe umgibt, sobald die Stromversorgung unterbrochen wird, um die von den noch glühenden Elektroden ausgesandte Strahlung abzuschirmen,,In addition, the headlight has a cover sleeve 60 which is arranged in front of a central opening of the mirror 36 and coaxially to this and surrounds the lamp as soon as the power supply is applied interrupted in order to shield the radiation emitted by the electrodes that are still glowing,
809819/0880809819/0880
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7633830A FR2370922A1 (en) | 1976-11-10 | 1976-11-10 | Film projector lamp - has hemispherical and cylindrical cap at ends and spring between them permitting axial adjustment |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2749942A1 true DE2749942A1 (en) | 1978-05-11 |
Family
ID=9179733
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772749942 Withdrawn DE2749942A1 (en) | 1976-11-10 | 1977-11-08 | HEADLIGHT |
DE19772749943 Withdrawn DE2749943A1 (en) | 1976-11-10 | 1977-11-08 | HEADLIGHT WITH A SLIDING COVER |
DE19772749944 Granted DE2749944A1 (en) | 1976-11-10 | 1977-11-08 | LAMP FOR A HEADLIGHT AND DEVICE FOR HANDLING AND INSTALLING THIS LAMP |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772749943 Withdrawn DE2749943A1 (en) | 1976-11-10 | 1977-11-08 | HEADLIGHT WITH A SLIDING COVER |
DE19772749944 Granted DE2749944A1 (en) | 1976-11-10 | 1977-11-08 | LAMP FOR A HEADLIGHT AND DEVICE FOR HANDLING AND INSTALLING THIS LAMP |
Country Status (6)
Country | Link |
---|---|
BE (3) | BE860007A (en) |
DE (3) | DE2749942A1 (en) |
FR (1) | FR2370922A1 (en) |
IL (3) | IL53331A (en) |
IT (3) | IT1088024B (en) |
NL (3) | NL184806C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3628088A1 (en) * | 1986-08-19 | 1988-02-25 | Bat Cigarettenfab Gmbh | DEVICE FOR THE OPTICAL INSPECTION OF THE SURFACE OF ROD-SHAPED SMOKE ARTICLES AND / OR FILTER RODS FOR THE TOBACCO INDUSTRY |
DE8802979U1 (en) * | 1988-03-05 | 1988-07-07 | Deilmann-Haniel GmbH, 4600 Dortmund | Underground spotlights |
DE9002461U1 (en) * | 1990-03-02 | 1990-05-03 | Siemens AG, 1000 Berlin und 8000 München | Workplace light |
DE4008932A1 (en) * | 1990-03-20 | 1991-09-26 | Siemens Ag | Modular lighting recessed into airport runways - has circular bases with independent light modules for directional beam |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2917745A1 (en) * | 1979-05-02 | 1980-11-13 | Arnold & Richter Kg | Halogen-metal vapour gas discharge lamp - has cap designed to safeguard properly orientated mounting of lamp and is used for daylight searchlight(s) |
DE3207926A1 (en) * | 1982-03-05 | 1983-09-15 | Leybold-Heraeus GmbH, 5000 Köln | Experiment light |
US4510558A (en) * | 1983-02-21 | 1985-04-09 | U.S. Philips Corporation | Device for producing and projecting light |
US4623795A (en) * | 1984-05-24 | 1986-11-18 | Penn-Med Technology, Inc. | Irradiating device |
GB2244816A (en) * | 1990-04-10 | 1991-12-11 | Microphax Limited | Illumination apparatus for a microfiche reader |
US5404283A (en) * | 1992-03-31 | 1995-04-04 | Phoenix Products Company, Inc. | Outdoor framing projector |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1194331A (en) * | 1966-04-13 | 1970-06-10 | Harold Martin | Light-Projecting Systems. |
DE2110802A1 (en) * | 1971-03-06 | 1972-09-07 | Licentia Gmbh | Headlights with foldable mirror |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE260053C (en) * | ||||
GB388064A (en) * | 1931-08-18 | 1933-02-20 | P S R Lamp Co Ltd | Improvements in and relating to anti-dazzle devices for headlamps |
BE443357A (en) * | 1937-07-25 | 1900-01-01 | Westfaelische Metall Ind Akt G | |
DE683917C (en) * | 1937-10-15 | 1939-11-18 | Paul Schroeder | Darkening device on electrical lighting units |
NL62449C (en) * | 1944-08-22 | 1949-02-15 | Philips Nv | Searchlight containing a cooled lamp with reflector |
DE1005463B (en) * | 1952-08-27 | 1957-04-04 | Alfred Paul Emil Letsch | Dimming device for motor vehicle headlights |
US3598983A (en) * | 1969-04-11 | 1971-08-10 | Emil A Mosser Jr | Arc lamp mounting structure |
US3703635A (en) * | 1970-09-08 | 1972-11-21 | E Systems Inc | Zoom light |
-
1976
- 1976-11-10 FR FR7633830A patent/FR2370922A1/en active Granted
-
1977
- 1977-10-21 BE BE181977A patent/BE860007A/en not_active IP Right Cessation
- 1977-10-21 BE BE181979A patent/BE860009A/en not_active IP Right Cessation
- 1977-10-21 BE BE181978A patent/BE860008A/en not_active IP Right Cessation
- 1977-10-28 NL NLAANVRAGE7711877,A patent/NL184806C/en not_active IP Right Cessation
- 1977-10-28 NL NLAANVRAGE7711884,A patent/NL184805C/en not_active IP Right Cessation
- 1977-10-28 NL NLAANVRAGE7711883,A patent/NL185418C/en not_active IP Right Cessation
- 1977-10-31 IT IT29200/77A patent/IT1088024B/en active
- 1977-10-31 IT IT29207/77A patent/IT1088169B/en active
- 1977-10-31 IT IT29190/77A patent/IT1088221B/en active
- 1977-11-08 IL IL53331A patent/IL53331A/en unknown
- 1977-11-08 IL IL53329A patent/IL53329A/en unknown
- 1977-11-08 DE DE19772749942 patent/DE2749942A1/en not_active Withdrawn
- 1977-11-08 IL IL53330A patent/IL53330A/en unknown
- 1977-11-08 DE DE19772749943 patent/DE2749943A1/en not_active Withdrawn
- 1977-11-08 DE DE19772749944 patent/DE2749944A1/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1194331A (en) * | 1966-04-13 | 1970-06-10 | Harold Martin | Light-Projecting Systems. |
DE2110802A1 (en) * | 1971-03-06 | 1972-09-07 | Licentia Gmbh | Headlights with foldable mirror |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3628088A1 (en) * | 1986-08-19 | 1988-02-25 | Bat Cigarettenfab Gmbh | DEVICE FOR THE OPTICAL INSPECTION OF THE SURFACE OF ROD-SHAPED SMOKE ARTICLES AND / OR FILTER RODS FOR THE TOBACCO INDUSTRY |
DE8802979U1 (en) * | 1988-03-05 | 1988-07-07 | Deilmann-Haniel GmbH, 4600 Dortmund | Underground spotlights |
DE9002461U1 (en) * | 1990-03-02 | 1990-05-03 | Siemens AG, 1000 Berlin und 8000 München | Workplace light |
DE4008932A1 (en) * | 1990-03-20 | 1991-09-26 | Siemens Ag | Modular lighting recessed into airport runways - has circular bases with independent light modules for directional beam |
Also Published As
Publication number | Publication date |
---|---|
NL185418C (en) | 1990-04-02 |
IL53330A (en) | 1980-09-16 |
IL53331A0 (en) | 1978-01-31 |
DE2749944A1 (en) | 1978-05-11 |
NL7711877A (en) | 1978-05-12 |
IT1088221B (en) | 1985-06-10 |
BE860008A (en) | 1978-02-15 |
IT1088169B (en) | 1985-06-10 |
DE2749944C2 (en) | 1987-07-09 |
NL184806C (en) | 1989-11-01 |
IL53329A0 (en) | 1978-01-31 |
NL185418B (en) | 1989-11-01 |
NL7711883A (en) | 1978-05-12 |
BE860009A (en) | 1978-02-15 |
NL184805C (en) | 1989-11-01 |
IL53329A (en) | 1980-01-31 |
FR2370922A1 (en) | 1978-06-09 |
BE860007A (en) | 1978-02-15 |
NL7711884A (en) | 1978-05-12 |
IT1088024B (en) | 1985-06-04 |
IL53330A0 (en) | 1978-01-31 |
FR2370922B1 (en) | 1982-02-19 |
NL184805B (en) | 1989-06-01 |
NL184806B (en) | 1989-06-01 |
IL53331A (en) | 1980-11-30 |
DE2749943A1 (en) | 1978-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8136 | Disposal/non-payment of the fee for publication/grant |