METHOD AND APPARATUS FOR AUTOMATICALLY SEAMING LAP SHEETS.

摘要

PCT No. PCT/JP89/01016 Sec. 371 Date Jun. 8, 1991 Sec. 102(e) Date Jun. 8, 1991 PCT Filed Oct. 4, 1989 PCT Pub. No. WO91/05096 PCT Pub. Date Apr. 18, 1991.An automatic lap piecing method of piecing two lap sheets (2, 4) together, comprising the steps of holding the leading end (3) of the lap sheet (2) of a full lap (1) by a tubular member (6) by suction created in the suction opening (7) of the tubular member (6), shifting the tubular member (6) to a position where the leading end (3) of the lap sheet (2) can be superposed on the trailing end (5) of a preceding lap sheet (4), releasing the leading end (3) of the lap sheet (2) from the tubular member (6) to superpose the leading end (3) on the trailing end (5), and movign the tubular member (6) to smooth down the lap of the leading end (3) and the trailing end (5) to piece the two lap sheets (2, 4) together, and an automatic lap piecing apparatus capable of carrying out the automatic lap piecing method.