公开(公告)号：EP2684941B1

公开(公告)日：2017-05-17

申请号：EP11860781.1

申请日：2011-03-11

申请人： Iwatani Corporation

发明人： NAKAMUTA, Masahiko ,  HASHIMOTO, Toshiaki ,  YOSHIDA, Yoshifumi ,  MATSUMOTO, Kazuto

IPC分类号： C10L3/10 ,  B23K7/10 ,  C07C11/04

CPC分类号： B23K35/228 ,  B23K35/38 ,  C10L3/02 ,  F17C1/00 ,  Y02E60/321

公开(公告)号：EP2684941A1

公开(公告)日：2014-01-15

申请号：EP11860781.1

申请日：2011-03-11

申请人： Iwatani Corporation

发明人： NAKAMUTA, Masahiko ,  HASHIMOTO, Toshiaki ,  YOSHIDA, Yoshifumi ,  MATSUMOTO, Kazuto

IPC分类号： C10L3/10 ,  B23K7/10

CPC分类号： B23K35/228 ,  B23K35/38 ,  C10L3/02 ,  F17C1/00 ,  Y02E60/321

摘要： Combustible gas, which is easy to be stored, transported and the like and can contribute to improving the quality of a finished state of an operation such as gas cutting, gas welding or brazing, contains ethylene at 38 v/v% or more and 45 v/v% or less and the remainder being hydrogen and unavoidable impurity.