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Improvements in or relating to gland packings particularly for valves or cocks
Improvements in or relating to gland packings particularly for valves or cocks
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机译:密封垫填料或与之有关的改进,特别是用于阀门或旋塞的填料
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525,306. Stuffing-box substitutes. DUNLOP RUBBER CO., Ltd., WALSH, A. O., and BRAZIER, S. A. Feb. 17, 1939, No. 5305. [Class 122 (v)] An annular packing member 9 for a valve or cock is formed of rubber or like compressible material and has lubricant grooves 10 in at least two adjacent sealing faces. Excessive pressure on the member 9 is avoided by the use of distance pieces 11 between the cap 7 and casing 1.
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