×

Control valve

  • US 4,429,714 A
  • Filed: 08/03/1981
  • Issued: 02/07/1984
  • Est. Priority Date: 08/03/1981
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a valve including a body with a passage therethrough, a seat in the passage and a plug movable toward and away from the seat, a cage surrounding the plug, said cage comprising:

  • a stack of annular plates and an annular wire screen between each pair of adjacent plates, the plates having spaced legs projecting from one side adjacent the inner and outer edges thereof, each screen also being located between the inner and outer legs of one plate.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×