초록 ▼

A new and improved inner seal and support rod assembly for a blowout preventer including an inner seal assembly for improved sealing and configured to promote ease of maintenance and removal thereof in cooperation with substantially horizontally disposed, vertically aligned support rods of the blowo

A new and improved inner seal and support rod assembly for a blowout preventer including an inner seal assembly for improved sealing and configured to promote ease of maintenance and removal thereof in cooperation with substantially horizontally disposed, vertically aligned support rods of the blowout preventer.

대표청구항 ▼

An inner seal assembly for removably mounting within an inner seal opening formed in a ram body of a blowout preventer having a ram bore, comprising: a resilient sealing material adapted to be mounted with the ram body, said resilient sealing material formed having a ram body engaging surface, upper

An inner seal assembly for removably mounting within an inner seal opening formed in a ram body of a blowout preventer having a ram bore, comprising: a resilient sealing material adapted to be mounted with the ram body, said resilient sealing material formed having a ram body engaging surface, upper and lower ram seal bore engaging surfaces, upper and lower mounting plate foot engaging surfaces, upper and lower mounting plate engaging surfaces, and an inner seal surface, wherein, said upper and lower ram seal bore engaging surfaces are substantially perpendicular to said ram body engaging surface, said upper and lower mounting plate foot engaging surfaces are substantially perpendicular to said upper and lower ram seal bore engaging surfaces, respectively, said upper and lower mounting plate engaging surfaces are substantially perpendicular to said upper and lower mounting plate foot engaging surfaces, respectively, and, said inner seal surface is substantially perpendicular to said upper and lower mounting plate engaging surfaces; upper and lower mounting plates with said resilient sealing material, said upper and lower mounting plates each formed having an inner foot surface, an inner seal engaging surface, an inner bore surface, an outer ram engaging surface, an outer foot surface, and a ram body foot surface, wherein said inner foot surfaces of said upper and lower mounting plates are substantially parallel with said ram body engaging surface and with said upper and lower mounting plate foot engaging surfaces, respectively, said inner seal engaging surfaces of said upper and lower mounting plates are substantially perpendicular to said inner foot surfaces of said upper and lower mounting plates and with said upper and lower mounting plate engaging surfaces, respectively, and said ram body foot surfaces, said outer foot surfaces, and said outer ram engaging surfaces of said upper and lower mounting plates are mountable within the inner seal opening of the ram body, said resilient sealing material and said upper and lower mounting plates are adapted to be retained by the inner seal opening for sealable movement in a direction parallel to the longitudinal axis of the ram body, said resilient sealing material and said upper and lower mounting plates are removably mounted with the inner seal opening in a direction perpendicular to the longitudinal axis of the ram body solely by the exertion of a lateral force on said resilient sealing material and said upper and lower mounting plates when the ram body, said resilient sealing material, and said upper and lower mounting plates are retracted from the ram bore; and, said upper and lower mounting plates enhancing flow of said resilient sealing material upon sealing actuation of the ram body of the blowout preventer.