<p>Provided is a method of annealing a metal member, including: disposing a first heater in an inner space of a hollow cylindrical metal member having an inner peripheral surface provided with plural teeth protruding toward a central direction, the first heater radiating infrared light and being disposed so as to extend parallel to a direction of a central axis of the metal member; heating the metal member from the inner space with the first heater; and gradually cooling the metal member after heating.</p>
申请公布号
EP2713485(A1)
申请公布日期
2014.04.02
申请号
EP20130741187
申请日期
2013.01.22
申请人
NIPPON STEEL & SUMITOMO METAL CORPORATION;TOYOTA JIDOSHA KABUSHIKI KAISHA