| 摘要 |
PROBLEM TO BE SOLVED: To prevent a heat medium from leaking out of the mounting face of a mold and mold joint plug by maintenance free. SOLUTION: The parts are integrated by metal or resin material, and have a male screw 1, a flange 2, a fastening part 3, a joint part 4, a penetration hole 5, and an inner groove 2a on the flange 2; then a sealing material 6 is inserted in the inner groove 2a, and when the male screw 1 is fitted and fastened into the female screw A of the mold, the sealing material 6 are compressed by the flange 2 and mold plane so that it comes in close contact thereto while being deformed elastically. |
