By feeding cut-to-length pieces in a direction perpendicular to the drum axis

Official title: {by feeding cut-to-length pieces in a direction perpendicular to the drum axis and in a plane parallel to the drum axis, and placing the pieces side-by-side to form an annular element}

B29D30/3042 (By feeding cut-to-length pieces in a direction perpendicular to the drum axis) appears on 24 US grants and 39 published applications in this corpus.