STUFFING-BOX SEAL Russian patent published in 2000 - IPC

Abstract RU 2156393 C2

FIELD: shut-off pipeline fittings. SUBSTANCE: stuffing box of stuffing-box seal contains packing in form of sawdust including readily soluble dry binder, for example starch, dextrin glue, etc. When passing the medium being sealed, for example water, sawdust gets wet, swells and restores sealing properties of stuffing-box seal. Use of readily-soluble dry binder facilitates process of packing. EFFECT: improved sealing. 1 dwg

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RU 2 156 393 C2

Authors

Bazhenov V.Ja.

Matveev S.B.

Ivanov G.I.

Dates

2000-09-20—Published

1997-03-17—Filed