| 摘要 |
#CMT# #/CMT# The drill pipe (1) has a torsion rigid pipe body (3) with coupling parts (5a,5b) for connecting to adjacent drill pipe. The pipe body is made of a fiber-composite-plastic. The smallest bending radius is smaller than 1 meter. The smallest bending radius is obtained by elastic deformation of the pipe bore by spreading a bending moment. #CMT# : #/CMT# An independent claim is also included for a method for manufacturing a drill pipe. #CMT#USE : #/CMT# Drill pipe for a drilling device. #CMT#ADVANTAGE : #/CMT# The drill pipe has a torsion rigid pipe body with coupling parts for connecting to adjacent drill pipe, and thus ensures improved drill pipe. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a schematic view of a drill pipe. 1 : Drill pipe 3 : Pipe body 5a,5b : Coupling parts 7a,7b : Connecting tubes 9a,9b : Collars. |
