Method for forming thin-wall tubing
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United States of America Patent
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Jun 20, 1995
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N/A
app pub date -
Jun 28, 1993
filing date -
Dec 1, 1988
priority date (Note) -
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Abstract
In a preferred embodiment, a method and apparatus for forming thin-wall tubing for later welding of the seam thereof which includes tightly rolling upon itself a sheet of thin metal stock about a roller between layers of a flexible fabric. When released from the roller, the sheet metal springs back to form a near-perfect tube without the kinks, scratches, and/or dents commonly caused by conventional rolling methods.
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