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发明名称
Cushioning unit shaft seal
摘要
Improved piston shaft seals for end-of-car hydraulic cushioning devices. Comprising an improved combination of annular oil scraper seals, and improved annular reinforced oil scraper seal, for use in an end-of-car hydraulic cushioning device.
申请公布号
US4566701(A)
申请公布日期
1986.01.28
申请号
US19830533844
申请日期
1983.09.19
申请人
HALLIBURTON COMPANY
发明人
BOMGARDNER, CHARLES T.
分类号
F16F9/36;F16J15/32;F16J15/56;(IPC1-7):F16J15/32
主分类号
F16F9/36
代理机构
代理人
主权项
地址
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