SE9701216L - Methods of producing an aperture cover, a reflector or the like for an electric lighting fixture and an aperture cover, a reflector or the like, manufactured according to the method - Google Patents

Methods of producing an aperture cover, a reflector or the like for an electric lighting fixture and an aperture cover, a reflector or the like, manufactured according to the method

Info

Publication number
SE9701216L
SE9701216L SE9701216A SE9701216A SE9701216L SE 9701216 L SE9701216 L SE 9701216L SE 9701216 A SE9701216 A SE 9701216A SE 9701216 A SE9701216 A SE 9701216A SE 9701216 L SE9701216 L SE 9701216L
Authority
SE
Sweden
Prior art keywords
reflector
rib
aperture cover
weakening
blank
Prior art date
Application number
SE9701216A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE507223C2 (en
SE9701216D0 (en
Inventor
Joergen Johansson
Original Assignee
Fagerhults Ab
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 Fagerhults Ab filed Critical Fagerhults Ab
Priority to SE9701216A priority Critical patent/SE9701216L/en
Publication of SE9701216D0 publication Critical patent/SE9701216D0/en
Priority to PCT/SE1998/000146 priority patent/WO1998045646A1/en
Priority to DE69830482T priority patent/DE69830482T2/en
Priority to AU58899/98A priority patent/AU5889998A/en
Priority to DK98902345T priority patent/DK0972158T3/en
Priority to EP98902345A priority patent/EP0972158B1/en
Publication of SE507223C2 publication Critical patent/SE507223C2/en
Publication of SE9701216L publication Critical patent/SE9701216L/en
Priority to NO19994120A priority patent/NO323097B1/en

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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The present invention relates to a method of producing a combined anti-dazzle screen and a reflector (3) for a long fluorescent tube fitting (1), including lateral reflectors (5) and ribs (6), which connect the reflectors to each other and which ribs are wedge-shaped in cross section, with the wedge point (19) turned away from the source of light of the fitting and are fastened with their ends (7) in recesses (8) in said lateral reflectors (5) and which are bent from plane blanks made of metal and/or a plastic material. In accordance with the invention a completely punched rib blank (6) is, within the area for the rib point (19) to be made and on the exterior side (18) of the rib to be made, provided with a through material weakening (17), preferably made through embossing, subsequent to which the blank sides (14, 16) on each side of the weakening (17) are brought towards each other with said weakening as a swinging or folding centrum, until the blank sides (14, 16) bear on each other within the area of the rib point (19), obtained in this way, with an intact bridge (20) between the blank sides. The invention relates also to a cross-directed rib (6), produced according to the described method.
SE9701216A 1997-04-04 1997-04-04 Methods of producing an aperture cover, a reflector or the like for an electric lighting fixture and an aperture cover, a reflector or the like, manufactured according to the method SE9701216L (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9701216A SE9701216L (en) 1997-04-04 1997-04-04 Methods of producing an aperture cover, a reflector or the like for an electric lighting fixture and an aperture cover, a reflector or the like, manufactured according to the method
PCT/SE1998/000146 WO1998045646A1 (en) 1997-04-04 1998-02-02 Method of producing an anti-dazzle screen for an electric light fitting and an anti-dazzle screen produced according to said method
DE69830482T DE69830482T2 (en) 1997-04-04 1998-02-02 METHOD OF PREPARING AN APERTURE PROTECTIVE FILM FOR AN ELECTRIC ILLUMINATION APPARATUS AND DEFLECTOR PROTECTION PARAM BUILT THROUGH THIS METHOD
AU58899/98A AU5889998A (en) 1997-04-04 1998-02-02 Method of producing an anti-dazzle screen for an electric light fitting and an anti-dazzle screen produced according to said method
DK98902345T DK0972158T3 (en) 1997-04-04 1998-02-02 A method of producing a dazzle screen, a reflector or the like for an electric lighting fixture, and a dazzle screen, a reflector or the like made by the method
EP98902345A EP0972158B1 (en) 1997-04-04 1998-02-02 Method of producing an anti-dazzle screen for an electric light fitting and an anti-dazzle screen produced according to said method
NO19994120A NO323097B1 (en) 1997-04-04 1999-08-26 Method of producing an anti-glare screen as well as such screen made

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9701216A SE9701216L (en) 1997-04-04 1997-04-04 Methods of producing an aperture cover, a reflector or the like for an electric lighting fixture and an aperture cover, a reflector or the like, manufactured according to the method

Publications (3)

Publication Number Publication Date
SE9701216D0 SE9701216D0 (en) 1997-04-04
SE507223C2 SE507223C2 (en) 1998-04-27
SE9701216L true SE9701216L (en) 1998-04-27

Family

ID=20406416

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9701216A SE9701216L (en) 1997-04-04 1997-04-04 Methods of producing an aperture cover, a reflector or the like for an electric lighting fixture and an aperture cover, a reflector or the like, manufactured according to the method

Country Status (6)

Country Link
EP (1) EP0972158B1 (en)
AU (1) AU5889998A (en)
DE (1) DE69830482T2 (en)
NO (1) NO323097B1 (en)
SE (1) SE9701216L (en)
WO (1) WO1998045646A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2341669A (en) * 1998-09-15 2000-03-22 Interlux Limited Light controller for light fitting
SE518945C2 (en) * 1999-07-12 2002-12-10 Fagerhults Belysning Ab Glare protection for a lighting fixture and way to mount one
ATE549575T1 (en) * 2009-03-31 2012-03-15 Flowil Int Lighting CEILING LIGHT HOUSING

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888668A (en) * 1987-09-28 1989-12-19 Siemens Aktiengesellschaft Mirror light unit
DE3932935A1 (en) * 1989-10-03 1991-04-11 Zumtobel Ag LIGHT GRID
DE69014844T2 (en) * 1989-12-27 1995-06-29 Philips Electronics Nv Lamp.

Also Published As

Publication number Publication date
NO994120L (en) 1999-08-26
EP0972158A1 (en) 2000-01-19
SE507223C2 (en) 1998-04-27
AU5889998A (en) 1998-10-30
WO1998045646A1 (en) 1998-10-15
NO323097B1 (en) 2007-01-02
EP0972158B1 (en) 2005-06-08
DE69830482T2 (en) 2006-03-16
SE9701216D0 (en) 1997-04-04
NO994120D0 (en) 1999-08-26
DE69830482D1 (en) 2005-07-14

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Legal Events

Date Code Title Description
NUG Patent has lapsed