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stuffing box

noun, Machinery
a device for preventing leakage of gases or liquids along a moving rod or shaft at the point at which it leaves a cylinder, tank, ship hull, etc.
Also called gland.
1790-1800 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for stuffing box
  • stuffing box cover shall be made of close-grained cast iron with integral stuffing box.
  • Rod packing is generally a series of rings held in place in the stuffing box by a packing gland or disk.
  • Many pumps have a stuffing box to prevent leakage along the drive shaft from the pump to the engine or motor.
  • The drive shaft penetrates the pressure boundary through a stuffing box.
  • In this type of stuffing box, an annular chamber contains the packing between the gland at the top and a shoulder at the bottom.
  • Seal leakage is restrained by graphite base packing seals with stuffing box and lantern rings.
  • The driving rod at the sur- face is polished such that a stuffing box will seal against the rod and pre- vent oil from escaping.
British Dictionary definitions for stuffing box

stuffing box

a small chamber in which an annular packing is compressed around a reciprocating or rotating rod or shaft to form a seal Also called packing box
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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