Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Blade seal for a shearing blind ram in a ram type blowout preventer










Image Number 3 for United States Patent #6158505.

A blade seal for a shearing blind ram designed for use in a standard ram-type blowout preventer used in oil and gas drilling operations is disclosed. The blowout preventer has a body with an axial bore, a pair of opposing bonnet assemblies and a pair of opposing rams laterally moveable within the bonnet assemblies by a pressurized fluid source to control flow of well fluids through the blowout preventer body axial bore. The blade seal includes a generally planar shaped central member that tapers from one end to the other and is constructed of rubber. A pair of metal caps are bonded to the lateral edges of the blade seal to aid in preventing extrusion. The lower face of the rubber central member includes a groove adjacent to the metal cap to aid in preventing extrusion of the rubber. A pair of the blade seals is used in the upper ram of the shearing blind ram assembly. The opposing lower ram has a upwardly facing surface that seals against the pair of blade seals after the pipe is sheared.








 
 
  Recently Added Patents
Turbulence sensor and blade condition sensor system
Cooler
Data latch circuit and electronic device
Method and system for selecting a target with respect to a behavior in a population of communicating entities
Mobility management in a communications system
Glove
Collaborative computing community role mapping system and method
  Randomly Featured Patents
Mechanism for imposing a consistent delay on information sets received from a variable rate information stream
Front face of a vehicle wheel
Stabilizing fin for a motor boat
Maintaining and utilizing SQL execution plan histories
Oxidation of phosphorus in aqueous medium
Combination pocketbook and cushion
Visible image magnetic card
Human serum albumin crystals and method of preparation
Field programmable universal serial bus application specific integrated circuit and method of operation thereof
Image forming apparatus