Apparatus for the flame treatment of a metal workpiece
Реферат: 1517407 Scarfing nozzles MESSER GRIESHEIM GmbH 25 Nov 1976 [28 Nov 1975] 49194/76 Heading F4T [Also in Division B3] A torch for flame treatment of a metal workpiece, with an upper and a lower block 12, 14 spaced apart on a head portion 18 formed with a gas distribution system to provide a treating frame oxygen duct, has a separate nozzle 46, providing an additional oxygen jet, extending into the treating flame oxygen duct. The nozzle 46 has its own oxygen supply pipe 48, is centrally disposed in a distribution passage 26 for the duct 20 and may be used alone for flame treating small areas. Passageways 32, 34 supply combustion gas/heating oxygen for preheating flames 40 for heating a zone 42 to be flame treated. Iron powder from a supply nozzle 52 or an ignition wire may aid preheating.
Apparatus for removing dross ridges from the sides and ends of a metal workpiece
Номер патента: AU594430B2. Автор: Matthew Alan Mancuso. Владелец: Keibler-Thompson Corp. Дата публикации: 1990-03-08.