PROBLEM TO BE SOLVED: To provide a method for retting an outlet seam in a patchwork where a plurality of cloth pieces are sewn together to form large cloth.;SOLUTION: The ends of two cloth pieces 1 and 2 are aligned and overlapped, further the end of ribbon lace R3 is aligned to one surface side of the cloth pieces, at the same time a required outlet seam is taken up for primary sewing, one side of the outlet seam is brought down opposite to the lace side so that the outlet seam can be covered with the ribbon lace, then the end of the outlet seam is secondarily sewn with specified width by primary sewing, and/or the ribbon lace is held between two cloth pieces and the three of them are primarily sewn, the outlet seam is brought down so that each outlet seam appearing on both the surface can be covered with the ribbon lace, and the secondary seeing of each of the end of the outlet seam with specific width by primary sewing is repeated, thus sewing a plurality of cloth pieces.;COPYRIGHT: (C)2002,JPO
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