Pipes and tubular conduits – Flexible – Braided – interlaced – knitted or woven
Patent
1996-12-02
2000-11-21
Kashnikow, Andres
Pipes and tubular conduits
Flexible
Braided, interlaced, knitted or woven
138124, F16L 1100
Patent
active
061488658
ABSTRACT:
A sleeve, a method of manufacturing a rigid, tubular article manufactured from the sleeve and an article made according to the method. The sleeve has elastic crisscrossing first and second filaments which enable the sleeve to be expandable in a radial direction and longitudinally extending filaments of a reinforcing non-elastic material such as carbon, kevlar or fiberglass to reinforce the sleeve. The sleeve is placed over a mandrel having alternating larger and small cross-sections. The sleeve is subjected to heat and pressure causing the individual filaments to fuse together forming a tubular part. Upon having cooled, the article is removed and a rigid tubular article, for example, a rifle scope tube is thereby formed. In an alternative embodiment, a sleeve is provided which in its relaxed state is contracted longitudinally and expanded radially. The sleeve is slipped into a pipe joint, for example, when in its stretched state and is then released. The sleeve is heated to fuse the sleeve and thereby reinforce the joint.
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A & P Technology, Inc.
Hwu Davis
Kashnikow Andres
LandOfFree
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