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Class Information
Number: 277/519
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Circumferential contact seal for other than piston > Contained or compressed by gland member in packing box > Segmented packing boxes
Description: Seal for the gland and packing box wherein the chamber is divided into portions.

Patents under this class:

Patent Number Title Of Patent Date Issued
8616555 Packing assembly for reciprocating pumps Dec. 31, 2013
7717433 Dynamic seal assembly May. 18, 2010
7303179 Split packing follower for use with valves Dec. 4, 2007
6325387 Packing gland assembly Dec. 4, 2001
5820129 Mechanical split double seals Oct. 13, 1998
4623152 Shaft seal arrangement with split housing Nov. 18, 1986

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