发明名称 |
Cartridge-type mechanical seal |
摘要 |
A mechanical seal M1 that can be installed in a simple procedure and thus simplifies maintenance. The positioning of the stationary seal unit 3 and rotary seal unit 4 is effected by setting spacers 5 fixed on the stopper ring 36. The stopper ring 36 is mounted on the sleeve 34 by engaging connection means 37 which include annular grooves 48 formed in the stopper ring 36, pin engaging holes 49 provided in the sleeve 34, headed pins 51 comprising a pin portion 52 to engage with the pin engaging hole 49 and a head portion 53 which engages with the groove 48 and is relatively movable in the annular groove 48 of the stopper ring in the circumferential direction of the ring 36, but is relatively unmovable in the axial direction, and head lead-in inlets that open the annular groove 48.
|
申请公布号 |
US6357753(B1) |
申请公布日期 |
2002.03.19 |
申请号 |
US20000525127 |
申请日期 |
2000.03.14 |
申请人 |
NIPPON PILLAR PACKING CO., LTD. |
发明人 |
YAMASAKI HIROSHI;FUJINAGA SHIGEYUKI |
分类号 |
F16J15/00;F16J15/26;F16J15/34;(IPC1-7):F16J15/34 |
主分类号 |
F16J15/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|