The method of processing the beefsteak style seat material, the beefsteak style seat material, the cover and the device, especially, the automobile seat

摘要

The method of processing the beefsteak style seat material, the beefsteak style seat material, the cover and the device are disclosed, the seat material is sealed up in the seal territory with that, in 1st process. The seal territory the surface of the seat material has the part territory at least. In 2nd process, the seam is administered to the seat material, in 3rd process, the seat material is cut off alongside the cutting line.