2023年7月25日发(作者：)

专利内容由知识产权出版社提供专利名称：CONNECTING TOOL FOR ATTRACTING ANDPRESSURIZING PIPE BODY发明人：KIYONAGA MASAYOSHI申请号：JP27541486申请日：19861120公开号：JPS63130240A公开日：19880602摘要：PURPOSE:To automatically remove and clean sticking powdery material to afitting face, etc., of a plug by attracting and connecting a socket and the plug by anelectromagnet and arranging a gap as flowable to the powdery material at the fittingpart and an O-ring at the tip position of the plug. CONSTITUTION:The socket 1 isconnected with the plug 2 and a projecting part 4a of pin 4 for opening/closing a valvearranged in the inside of socket is abutted on a tip part 11b of valve head 11, and bypushing the valve head 11 and compressing a spring 12, sealing by the O-ring 13 isopened. Then, at the time of conducting the current, the plug 2 and the socket 1 areattracted together by the electromagnet 3, and the O-ring 6 arranged in the inside ofsocket 1 is abutted on the slope 20 at the tip part of plug 2 and the tip 2b is abutted onthe inside circumferential end face 1d of socket 1. Further, the gap delta is developed onthe fitting face of plug 2 and the movement of valve head 11 is stopped, to form asuction flow passage between the plug 2 and the inside of socket 1. As there ismaintained to the reduced pressure state by a vacuum pump, sand, etc., on the surface ofplug 2 is sucked from the gap delta to the inside of socket 1.申请人：HITACHI METALS LTD更多信息请下载全文后查看