公开(公告)号：US4063991A

公开(公告)日：1977-12-20

申请号：US761461

申请日：1977-01-21

申请人： George A. Farrall ,  William A. Gilhooley ,  Frank G. Hudda

发明人： George A. Farrall ,  William A. Gilhooley ,  Frank G. Hudda

IPC分类号： H01H33/66 ,  C03C27/02 ,  H01H33/662 ,  H01H9/30

CPC分类号： H01H33/66207 ,  H01H2033/66292

摘要： Loose glass particles in a vacuum interrupter, and glass attached to the interrupter midband, are removed with an etch of hydrofluoric acid applied over the entire interior of the glass envelope and the midband, following a grit blast of the entire interior of the glass envelope and the midband.

摘要翻译： 真空灭弧室中的玻璃微粒和附着在断续器中间带上的玻璃被玻璃外壳和中间带的整个内部施加的氟氢酸腐蚀物除去，玻璃外壳的整个内部都被喷砂， 中带。