{HEAD ~ The adjacent side edges} of {TAIL ~ the belt shaped members} in circumferential directions of the forming drum are forced closer together to butt join the faces of the side edges with each other 
{ HEAD ~ The adjacent side edges } of { TAIL ~ the belt shaped members } in circumferential directions of the forming drum are forced closer together to butt join the faces of the side edges with each other
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH