Tubular structures
OwnerKevin B. McNeil, Gregory V. McNeil +1inventors
InventorsKevin B. McNeil, Gregory V. McNeil, Wayne R. Fisher
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Abstract
A tubular structure is disclosed. The tubular structure has a first sheet metal having a machine direction. The first sheet metal is convolutely wound about a longitudinal axis and has a tail portion. The tail portion of the first sheet metal is disposed upon and bonded to an immediately subjacent convolution of the first sheet metal.
Claims22
A tubular structure comprising a first sheet metal having a machine direction, said first sheet metal being convolutely wound about a longitudinal axis, and said first sheet metal having a tail portion wherein said tail portion of said first sheet metal is disposed upon and bonded to an immediately subjacent convolution of said first sheet metal.
Dependencies are inferred from the claim text.