| 摘要 |
PCT No. PCT/CA95/00263 Sec. 371 Date Feb. 12, 1996 Sec. 102(e) Date Feb. 12, 1996 PCT Filed May 3, 1995 PCT Pub. No. WO95/30850 PCT Pub. Date Nov. 16, 1995A packing box (10) is provided for housing a packing seal (48) between a rotating shaft (32) and the casing (18) of a pump. The packing box (10) comprises walls defining an enclosed chamber for accommodating the packing. An annular plate (36) is provided between the pump housing (18) and the packing (48) in order to compress the packing against the shaft (32) in a direction essentially orthogonal to and away from the pump housing (18).
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