公开(公告)号：US3964754A

公开(公告)日：1976-06-22

申请号：US578992

申请日：1975-05-19

申请人： Masayo Murai ,  Hiroki Monno

发明人： Masayo Murai ,  Hiroki Monno

IPC分类号： F16L7/02 ,  F16L21/04 ,  F16J15/00

CPC分类号： F16L7/02

摘要： Device for sealing the end of a sheath pipe that protects a main pipe therein, comprising a pair of sealing rings arranged in face-to-face relation, a pair of flanges oppositely placed at the outside of said sealing rings, all these sealing rings and flanges being tightened with bolts into a unit, each sealing ring being made of flexibly elastic material having a cup shape cross section.

摘要翻译： 用于密封保护其中的主管的护套管的端部的装置，包括一对以面对面的关系布置的密封环，一对相对地设置在所述密封环的外侧的凸缘，所有这些密封环和 每个密封环由具有杯形横截面的柔性弹性材料制成。