1. For example, Yoshida, M.:Press Formability of Vibration-Damping sheets, J. Japan Soc. Tech. Plasticity, 26–291, 1985, pp.394–399.
2. For example, Miyagawa, M.: A New Method of Hot Deep Drawing of Sheet Metals, J.JSME, 62–484, 1959, pp.47–55.
3. Jimma, T.; et al: An Application of Ultrasonic Vibration to the Deep Drawing Process, J. Japan Soc. Tech. Plasticity, 23–256, 1982, pp.458–464.
4. Kawai, N.; et al:Improvement of Drawa-bility by Control of Stretch-Deformation in Sheet Metal Drawing, J. Japan Soc. Tech. Plasticity, 6–57, 1965, pp.557–562.
5. Kasuga, Y; et al: Pressure Lubricated Deep Drawing(1st Report, Conception of the Mechanism, Characteristics and Possibilities), (2nd Report, Deformation of the Metal Lying Around the Punch Head), Trans. JSME, 24–146, 1958, pp.720–727, pp.728–732.