Double-walled tube for use as vehicle drive shaft has inner and outer walls which are kept under tension, e.g. by heat-shrinking outer tube on to inner, and are welded or glued to each other

摘要

#CMT# #/CMT# The double-walled tube (12) for use as a vehicle drive shaft has inner (16) and outer (15) walls which are kept under tension, e.g. by heat-shrinking the outer tube on to the inner. The tubes are also welded or glued to each other. #CMT# : #/CMT# An independent claim is included for a method for making the tube. #CMT#USE : #/CMT# As a vehicle drive shaft (claimed) #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a cross-section of a drive shaft incorporating the double-walled tube. 12 : Double-walled tube 15 : Outer wall 16 : Inner wall 13, 14 : Shaft journals.