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US 4,398,729 AGranted
Blowout preventer inner ram seal assembly
AssigneeBowen Tools, Inc.
InventorsThomas R. Bishop, Archie W. Peil
Life of this patent
Estimating the term…
Abstract
A new and improved inner seal assembly adapted to be mounted with the ram of a blowout preventer which includes a central sealing member and a seal insert, with the central sealing member being formed having at least one securing member receptacle capable of receiving a securing member formed with the seal insert, with the seal insert being removably mounted with the central sealing member by yieldable cooperation between the seal insert and the central sealing member.
Claims13
An inner seal assembly adapted to be mounted with a ram of a blowout preventer, comprising:
- a central sealing member for mounting with the ram of the blowout preventer, said central sealing member having a sealing face and a ram face, said sealing face and said ram face being substantially parallel to one another, said sealing face formed having an insert detent formed therewith, said insert detent formed in said central sealing member extending from said sealing face towards said ram face;
- a seal insert having a perimeter formed of an inner sealing surface area, an outer surface area, and a seal face area;
- said outer surface area of said seal insert formed having at least one outwardly projecting securing member;
- said insert detent having at least one securing member receptacle formed therewith for receiving said securing member of said seal insert;
- said seal insert being removably mounted with said central sealing member by yieldable cooperation between said seal insert and said central sealing member;
- and
- said outer surface area of said seal insert engaging said insert detent of said central sealing member and said securing member being received in said securing member receptacle, with said seal face area of said seal insert in alignment with said sealing face of said central sealing member.
4 more elements
Dependencies are inferred from the claim text.