A threaded tube joint having a seal structure consisting of a metal-to-metal forced contact seal which also serves to augment the sealing effect of a tetrafluroethylene packing by holding it under an extremely high pressure so as to effect a tighter combined seal.
申请公布号
CS180613(B2)
申请公布日期
1978.01.31
申请号
CS19730002344
申请日期
1973.04.02
申请人
KAINAN STEEL TUBE CO.,LTD.,KAINAN,JP;SUMITOMO METAL INDUSTRIES LIMITED,JP
