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
Compositions and methods using microspheres and non-ionic contrast agents
Air-fuel ratio control apparatus for an internal combustion engine
Resource capacity monitoring and reporting
Sub-LUN input/output profiling for SSD devices
Monitoring heap in real-time by a mobile agent to assess performance of virtual machine
Photomask blank, photomask blank manufacturing method, and photomask manufacturing method
Local access to data while roaming with a mobile telephony device
  Randomly Featured Patents
Color matching system and method
Bend radius clip
System and method for correspondent bank customer ATM transaction processing
Reformer
Inlet for annular gas turbine combustor
Vehicle sunvisor
Process and composition for stabilized distillate fuel oils
Microstrip antenna
Bi-directional compressed air gun
Method and apparatus for positioning, inflating, and sealing a mailer comprising an inner inflatable liner