Title:
APPARATUS FOR CUTTING PIPE BODY BY FIRING MEANS
Document Type and Number:
Japanese Patent JPS5991294
Kind Code:
A
Abstract:
Apparatus for the pyrotechnic cutting of a submerged tube. The apparatus, which is introduced into the tube, comprises in a conventional manner a chassis on which is mounted a support for a pyrotechnic charge, a shield in the upper part of the chassis and a compressed air intake for producing an air pocket below the shield. According to the invention, the apparatus also comprises a ballast for facilitating its lowering to a considerable depth and the charge is a detonating cord with a hollow charge extending continuously over the support, the clearance between the charge and the inner wall of the tube being of minimum size and the same throughout.
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Inventors:
JIYANNPOORU BURAN
KUROODO FUARUDOUU
ARE FURESURO
KUROODO FUARUDOUU
ARE FURESURO
Application Number:
JP19109883A
Publication Date:
May 25, 1984
Filing Date:
October 14, 1983
Export Citation:
Assignee:
COMMISSARIAT ENERGIE ATOMIQUE
International Classes:
B23D21/14; E21B29/02; E21B29/12; E21B43/119; (IPC1-7): B23D21/14; E21B29/02
Attorney, Agent or Firm:
Kiyotaka Sasaki
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