Leak Testing of Modified Knife-Edge-type Metal-Seal Flanges (II).

Kenjiro OBARA**, Kazuyuki NAKAMURA**, Yoshio MURAKAMI** , Masamitsu NAGANUMA***, Kazunori KITAMURA*** , Takao UCHIDA*** and Mitsunori KONDO*** * **(Naka Fusion Research Establishment , Japan Atomic Energy Research Institute, 801-1 Mukouyama, Naka-machi, Naka-gun, Ibaraki-ken) ***(Heavy Apparatus Engineering Laboratory , Toshiba Corp., 2-4 Suehiro-cho, Tsurumi-ku, Yokohama-shi) ****(Fusion Technology Development Office, Toshiba Corp., 1-1-6 Uchisaiwai-cho, Chiyoda-ku, Tokyo)