(19)
(11) EP 0 751 265 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.01.1997 Bulletin 1997/04

(43) Date of publication A2:
02.01.1997 Bulletin 1997/01

(21) Application number: 96115244.4

(22) Date of filing: 03.08.1992
(51) International Patent Classification (IPC)6: E04B 9/02, E04B 9/06
(84) Designated Contracting States:
CH DE DK ES FR GB IE IT LI NL SE

(30) Priority: 02.08.1991 US 739693

(62) Application number of the earlier application in accordance with Art. 76 EPC:
92307081.7 / 0530976

(71) Applicant: BROD & McCLUNG - PACE CO.
Portland, Oregon 97222 (US)

(72) Inventors:
  • Ludwig, Craig S.
    Portland, Oregon 97202 (US)
  • Spradling, Richard E.
    Greenville, North Carolina 27834 (US)

(74) Representative: Meddle, Alan Leonard et al
FORRESTER & BOEHMERT Franz-Joseph-Strasse 38
80801 München
80801 München (DE)

 
Remarks:
This application was filed on 23 - 09 - 1996 as a divisional application to the application mentioned under INID code 62.
 


(54) Clean room ceiling structure


(57) A ceiling structure for a clean room comprising a grid including at least one rail defining a downwardly facing channel for containing a light fixture including a light tube and associated wiring providing power to said light tube. A light chassis panel is attached to the rail within the downwardly facing channel and provides a wireway enclosure within the channel whereby the associated wiring is routed through said wireway enclosure and said light tube is located below the panel.






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