US 12,429,150 B2 · Tube body intermediate

Abstract

Provided is a tube body intermediate including: a carbon fiber disposed with respect to an outer circumferential surface of a mandrel so as to extend in an axial direction of the mandrel; and a fixing member having a tubular shape and disposed with respect to the outer circumferential surface of the mandrel so as to cover the carbon fiber. Also provided is a tube body production method including: disposing a fiber body with respect to an outer circumferential surface of a mandrel so that the fiber body extends in an axial direction of the mandrel; disposing a fixing member with a tubular shape with respect to the outer circumferential surface of the mandrel so that the fixing member covers the fiber body; and impregnating the fiber body with a resin on the outer circumferential surface of the mandrel and then heating the resin to mold the resin.

Claims6

Dependent claims

A tube body intermediate comprising:

a fiber body disposed with respect to an outer circumferential surface of a mandrel so as to extend in an axial direction of the mandrel;
and
a fixing member with a tubular shape, the fixing member disposed with respect to the outer circumferential surface of the mandrel so as to cover the fiber body,
wherein an axial direction end portion of the mandrel has an exposed region where the fiber body is not disposed, and
wherein the fixing member extends to the exposed region.

2 more elements

Dependencies are inferred from the claim text.

Tube body intermediate

Life of this patent

Tube body intermediate

Life of this patent

Abstract

Claims6