Profiling of tubes

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United States of America Patent

PATENT NO 8540926
APP PUB NO 20090283608A1
SERIAL NO

12094244

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Abstract

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A method of, and apparatus for, profiling a tube to form at least one profiled product having a first open end and a second open end. The tube (30) is supported on a support (19) which supports the tube along at least a substantial part of the length of the tube corresponding to the product(s) to be formed. At least a portion of the tube is heated to form at least one heat-softened portion of the tube in the region(s) corresponding to the product(s) to be formed. A fluid pressure change (28) is applied to the region(s) of the tube corresponding to the product(s) to be formed to form at least one profiled product having a first open end, a second open end, and a predetermined shape with one or more three dimensional profile features.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crawley, Alan Mark Redwoodtown, NZ 12 123

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