Title:
【発明の名称】吹出し防止剪断装置
Document Type and Number:
Japanese Patent JPS585357
Kind Code:
B2
Abstract:
A shear ram assembly for a blowout preventer having a pair of rams with opposed shear blades, means for moving the shear blades across the pipe opening of a blowout preventer, a face seal on one of said rams and a shoulder above said face seal, the forward face of the shear blade of the other ram coacting with the shoulder to move a cut pipe section out of its path and also being shaped to enter into sealing engagement with the face seal, and a debris drain through the blade of said one ram to allow debris to move out of the path of the sealing face of the shear blade of the other ram toward the face seal.
Inventors:
REONAADO II UIRIAMUZU JUNIAA
Application Number:
JP215579A
Publication Date:
January 31, 1983
Filing Date:
January 11, 1979
Export Citation:
Assignee:
CAMERON IRON WORKS INC
International Classes:
B23D21/00; E21B29/08; E21B33/06; (IPC1-7): E21B33/06
Attorney, Agent or Firm:
Kyozo Yuasa
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