In 1944 alone, the United States built more planes than the Japanese did from 1939 to 1945. By the end of the war, more than half of all industrial production in the world would take place in the United States.
The welt-beating and slashing machine ensures the welt is parallel to the insole. The outsole is then covered with rubber cement and attached to the upper using a sole-laying machine. The sole is stitched to the rest of the shoe using a lockstitch machine, capable of making 1,000 stitches in a minute.
The JETÂ® 40in. Shear, Brake and Roll Machine combines each application in one compact machine. Brake is equipped with easily removable fingers that permit angle, channel, box and other complex bending operations. Shear can be used for mild steel, aluminum, brass, copper, lead, plastic and zinc. Slip rolls are precision-turned and ground with wire grooves.