Pontoons and the manufacture of same
AssigneeLeisure Kraft Pontunes, Inc.
InventorWade E. Davenport
Life of this patent
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Abstract
A pontoon including a substantially cylindrical member having a length in excess of about 14 feet and having no external circumferential welds intermediate the ends of the member and being substantially linear along its length axis.
Claims6
A pontoon, comprising a substantially cylindrical member having a length in excess of about 14 feet and including first and second opposite ends, wherein the cylindrical member has no external circumferential welds intermediate the first and second ends and is substantially linear along its length axis and does not exhibit a bow, curvature or other deviation in excess of about ½ inch, and wherein the cylindrical member is made from a single sheet of aluminum having a thickness and encircled about itself so as to have an internal diameter of at least about 20 inches, a ratio of diameter to wall thickness in excess of about 200, and secured together by a single longitudinal weld.
A pontoon boat, comprising a pontoon and a deck buoyantly supported by the pontoon, wherein the pontoon includes a substantially cylindrical member having a length in excess of about 14 feet and including first and second opposite ends, wherein the cylindrical member has no external circumferential welds intermediate the first and second ends and is substantially linear along its length axis and does not exhibit a bow, curvature or other deviation in excess of about ½ inch, and wherein the cylindrical member is made from a single sheet of aluminum having a thickness and encircled about itself so as to have an internal diameter of at least about 20 inches, a ratio of diameter to wall thickness in excess of about 200, and secured together by a single longitudinal weld.
Dependencies are inferred from the claim text.