Hollow metal object and method of its fabrication
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United States of America Patent
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May 24, 2005
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N/A
app pub date -
Mar 4, 2003
filing date -
Mar 22, 2002
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Abstract
Manufacturing narrow-diameter hollow metal objects utilizing metals difficult to work plastically has been problematic with conventional manufacturing methods; the narrower the diameter the higher the manufacturing cost has been, and under some circumstances manufacturing has been impossible. A plurality of metal wires is worked into a twisted wire cluster, adjoining companion metal wires are brought into contact in planar contacting portions, and the cluster is made unitary by supplying an adhesive agent along the outer side, producing a hollow metal object possessing a uniform inner diameter and a clean inner surface.
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