......DE....FRGB........NL........................R0422936EUROPEAN PATENT APPLICATIONA319910821EP90311147.419901011enenen42144719891013US19910821199134199104171991165 5H 01K 1/46 A 5H 01J 5/48 BdeVerbesserte Herstellung einer kompakten ReflektorlampeenImproved compact reflector lamp unit constructionfrConstruction améliorée d'une lampe compacte à réflecteurGENERAL ELECTRIC COMPANY00203903LD-100411 River RoadSchenectady, NY 12345USZalar, Frank Edward2112 Helmsdale DriveEuclid, Ohio 44143USLanese, Gustino Joseph11445 Kristine DriveChesterland, Ohio 44026USPratt, Richard Wilsonet al00046454London Patent Operation G.E. Technical Services Co. Inc. Essex House 12/13 Essex StreetLondon WC2R 3AAGBDEFRGBNL19910821199134

An improved compact reflector lamp unit (10) is disclosed having a construction enabling the length of the reflector bottom portion (20) to be reduced in order to avoid light escape thereat when the lamp unit is installed in existing socket fixtures. An electrically non-conductive hollow sleeve (22) physically connects the bottom portion of the reflector member to a hollow metal base (14) for this purpose. Various lamp embodiments employing such modified structural configurations are also described.