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US 2025/0020246 A1Published application
Tubular structures
AssigneeTechreo LLC
InventorsKevin B. McNeil, Gregory V. McNeil, Wayne R. Fisher
Life of this patent
Estimating the term…
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.
Claims20
A tubular structure comprising:
- a first sheet metal having a machine direction and a width, said first sheet metal being continuously and convolutely wound about a longitudinal axis forming a plurality of at least three convolutions having said width, 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 along said width, and at least a portion of a first of said plurality of three convolutions being bonded to a second of said plurality of convolutions along said width;
- wherein a bonding of said tail portion to the immediately subjacent convolution of said first sheet metal is selected from the group consisting of adhesive bonding, patterned adhesive bonding, patterned welding and combinations thereof.
Dependencies are inferred from the claim text.