Tubular structures and knurling systems and methods of manufacture and use thereof

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United States of America Patent

PATENT NO 9933092
SERIAL NO

15678309

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method includes: bending a sheet about a mandrel such that the sheet is tubular, wherein the sheet includes a first longitudinal end portion and a second longitudinal end portion; engaging the first longitudinal end portion with the second longitudinal end portion; and passing the sheet between a first knurling wheel and a second knurling wheel such that the first knurling wheel applies a first knurling pattern to the sheet over the first longitudinal end portion and the second longitudinal end portion and the second knurling wheel applies a second knurling pattern to the sheet over the first longitudinal end portion and the second longitudinal end portion.

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Patent Owner(s)

Patent OwnerAddress
DEFLECTO LLC7035 EAST 86TH STREET INDIANAPOLIS IN 46250

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sindelar, Roman St. Catharines, CA 2 94

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