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US 7,451,541 B2Granted
Method of heat shielding an inner tube
AssigneePratt & Whitney Canada Corp.
InventorsHonza Stastny, Eng Lim
Life of this patent
Estimating the term…
Abstract
A protective sheath for a fluid-carrying tube is made from a larger tube cut into longitudinal tube segments and slice into opposed halves before being re-secured together about the fluid-carrying tube. Slip joints are preferably provided between adjoining outer tube segments.
Claims15
A method of heat shielding an inner tube, comprising the steps of:
- a) providing an outer tube having a length L1;
- b) segmenting the outer tube into at least first and second axially extending tube sections of length L2 and L3, respectively;
- c) dividing the first and second tube sections longitudinally along the length thereof forming two opposed portions of each of said first and second tube sections;
- and d) re-securing respective portions of the first and second tube sections together around the inner tube.
1 more element
A method of heat shielding an inner tube, comprising the steps of:
- a) providing an outer tube b) cutting the outer tube transversally to a longitudinal axis thereof and longitudinally therealong to obtain first and second axial tube sections split into respective first and second opposed portions and c) re-securing respective first and second opposed portions of the first and second tube sections together around the inner tube.
Dependencies are inferred from the claim text.