Patent ID: 7614475

Claim:
A longitudinal stringer type exhaust flex pipe assembly, comprising: two end pieces, said two end pieces being connected by a flexible cylinder, said flexible cylinder being formed of multiple interlaced interlocking longitudinal stringer elements, each of said multiple interlaced interlocking longitudinal stringer elements being affixed to only one of said two end pieces, such that every other interlaced interlocking longitudinal stringer element is affixed to each end piece, each of said multiple interlaced interlocking longitudinal stringer elements having a first longitudinal interlocking feature and a second longitudinal interlocking feature, said first longitudinal interlocking feature of each of said interlocking longitudinal stringer element engaging said second longitudinal interlocking feature of the adjacent interlocking longitudinal stringer element, such that each of said interlaced interlocking longitudinal stringer elements is slidably affixed to the adjacent interlocking longitudinal stringer element and is positively prevented from separating from said adjacent interlocking longitudinal stringer element.