US Patent 2,454,146 (granted 16 Nov 1948) to Georges Eugène Ezbelent of Paris for a circular weaving machine that weaves tubular fabric. Self-propelled shuttles, each with its own electric motor, run on a circular track of plates and are kept evenly spaced by magnets or electromagnets. Warp threads are alternated above and below the shuttle path by permutation sliders. The patent describes warp and weft stop motions, variants for spacing control and for an oscillating ring that produces zigzag warps, and an alternative lay. It includes five sheets of drawings, the specification, seven claims and cited references.