EP0508230B1 - Dichtungsanordnung für eine Leuchtstofflampe - Google Patents

Dichtungsanordnung für eine Leuchtstofflampe Download PDF

Info

Publication number
EP0508230B1
EP0508230B1 EP92105249A EP92105249A EP0508230B1 EP 0508230 B1 EP0508230 B1 EP 0508230B1 EP 92105249 A EP92105249 A EP 92105249A EP 92105249 A EP92105249 A EP 92105249A EP 0508230 B1 EP0508230 B1 EP 0508230B1
Authority
EP
European Patent Office
Prior art keywords
ring
fluorescent lamp
sealing
seal
screw collar
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 - Lifetime
Application number
EP92105249A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0508230A3 (en
EP0508230A2 (de
Inventor
Hans Lenz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP0508230A2 publication Critical patent/EP0508230A2/de
Publication of EP0508230A3 publication Critical patent/EP0508230A3/de
Application granted granted Critical
Publication of EP0508230B1 publication Critical patent/EP0508230B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor

Definitions

  • the present invention relates to a collar ring according to the preamble of claim 1.
  • a collar ring is known from GB 697 902 with a sealing arrangement in such a way that a rubber or felt ring is arranged in the central recess of the collar ring, which when screwing the the collar is squeezed onto the socket and deforms radially inwards, so that the sealing ring seals against the outer circumference of a fluorescent lamp or a protective tube.
  • the present invention is therefore based on the object of developing a coupling ring of the type mentioned in such a way that a shorter overall length can be achieved and that a significantly more cost-effective production is possible.
  • the seal is designed as a flock seal, which consists of plastic hairs, which are attached in the direction of their longitudinal extension in the direction of the brush in the radial direction inwards to an extension of the collar ring or which are axially outwards extend the face of the coupling ring facing the socket.
  • the seal consists of a felt seal, the felt ring either being clamped or glued into a corresponding groove on the inner circumference of the collar ring or the felt ring being applied to the end face of the collar ring facing the socket.
  • the sealing felt can be glued on the end face to a corresponding attachment on the side facing the fluorescent lamp or on the side of the coupling ring facing the socket.
  • the seal can be applied in a particularly simple manner, because in the preferred embodiment described above, the seal consists of Polaymid hair, which is electrostatically flocked on the inner circumference or on the end face of the collar ring on a corresponding adhesive surface. This makes this seal air-permeable and yet dustproof.
  • the seal is formed in two pieces with respect to the coupling ring and is in particular designed as a flexible band, i.e. such a flocked ring in a flexible design would be manufactured as a separate part, in order to be able to be attached to the ring on the corresponding mounting surfaces.
  • polyamide hair with a length of 2.5 mm is used, which is flocked onto the adhesive layer in a correspondingly sufficient density. These hairs then protrude radially inwards into the central recess of the collar ring or are attached to the front side of the collar ring; however, part of the hair is also directed axially backwards and forwards in order to achieve an optimal dust-tight seal.
  • Another advantage is the breathability, because due to temperature differences that result in the lampholder or luminaire housing, the pressure difference in the luminaire housing can be compensated for by the seal, without the air flowing to the pressure compensation looking for other ways to get out of the Luminaire housing to come out after the seal is dust-tight according to the invention, with a dust seal in the sense of the IEC 598 or EN 60598 standards.
  • the coupling ring 1 according to FIGS. 1-3 consists of a plastic part, which is provided on its outer circumference with ribs 2 that are easy to grip. Starting from the hollow cylindrical part, a radial, front-side extension 8 is formed, which merges into an extension 4 extending forward in the axial direction.
  • the seal 5 according to the invention is arranged in the region of the inner circumference of the attachment 4. According to the preferred embodiment described here, this seal 5 consists of polyamide hairs 9, which are flocked on an adhesive surface 7 on the inner circumference of the attachment 4. In a second embodiment according to FIG. 3 it is shown that a felt disc 6 can also be used, which can then be glued to the corresponding end face of the extension 8.
  • the felt disc 6 is held in a corresponding groove or glued into this groove, and it is also possible to use a felt tube instead of the felt disc 6 shown here, which corresponds to the length of the extension 4 and which felt disc then the seal 5 trains.
  • the preferred flock density here is 6.7 dtex with a hair length of 1.5 mm or 22 dtex with a hair length of 2.5 mm.
  • seal 5 according to the invention is also applied to the face 10 of the coupling ring facing the socket.
  • the individual polyamide hairs then extend in the axial direction, ie in the direction of the socket, and in particular form a seal between the socket and the coupling ring itself, so that the gap present there is air-permeable and dust-tight.
  • the protective tube itself or the socket can of course also be flocked.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Gasket Seals (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Sealing Material Composition (AREA)
EP92105249A 1991-04-10 1992-03-27 Dichtungsanordnung für eine Leuchtstofflampe Expired - Lifetime EP0508230B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9104317U DE9104317U1 (de) 1991-04-10 1991-04-10 Überwurfring zur Abdichtung einer Leuchtstofflampe oder eines Schutzrohres einer Leuchtstofflampenleuchte an einer Fassung
DE9104317U 1991-04-10

Publications (3)

Publication Number Publication Date
EP0508230A2 EP0508230A2 (de) 1992-10-14
EP0508230A3 EP0508230A3 (en) 1993-01-13
EP0508230B1 true EP0508230B1 (de) 1995-07-05

Family

ID=6866134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92105249A Expired - Lifetime EP0508230B1 (de) 1991-04-10 1992-03-27 Dichtungsanordnung für eine Leuchtstofflampe

Country Status (4)

Country Link
EP (1) EP0508230B1 (es)
AT (1) ATE124777T1 (es)
DE (2) DE9104317U1 (es)
ES (1) ES2076597T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324225C2 (de) * 1993-07-20 1996-07-11 Trilux Lenze Gmbh & Co Kg Staubgeschützte Leuchte mit einer Leuchtstofflampe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB697902A (en) * 1949-08-29 1953-09-30 Veritys Ltd Improvements in fluorescent electric lighting fittings
DE1712925U (de) * 1954-01-13 1955-12-15 C A Schaefer K G Abt Hellux Dichtung fuer leuchten.
DE7324711U (es) * 1972-08-07 1974-04-25 Rau G Gmbh
DE2929697A1 (de) * 1979-07-21 1981-02-12 Linde Ag Kuehlmoebel
US4446510A (en) * 1982-12-13 1984-05-01 International Telephone And Telegraph Corporation Reflector sealing apparatus
DE3311164C2 (de) * 1983-03-26 1986-03-06 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Feuchtigkeitsgeschützte Fassung für eine Leuchtstoffröhrenlampe
DE3604615A1 (de) * 1986-02-14 1987-08-20 Norka Norddeutsche Kunststoff Leuchte
FR2607060B1 (fr) * 1986-11-20 1989-06-02 Dow Corning Sa Article comprenant une chambre etanche a l'eau et a pression d'air equilibree avec l'exterieur
AT397707B (de) * 1989-09-25 1994-06-27 Zumtobel Ag Leuchte für eine leuchtstofflampe

Also Published As

Publication number Publication date
ATE124777T1 (de) 1995-07-15
EP0508230A3 (en) 1993-01-13
DE9104317U1 (de) 1991-10-10
EP0508230A2 (de) 1992-10-14
ES2076597T3 (es) 1995-11-01
DE59202776D1 (de) 1995-08-10

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