| 摘要 |
PURPOSE:To obtain a heat treatment jig of a long life by preparing holding members of a panel glass and freely rotatable holders so as to be able to change contacting parts. CONSTITUTION:A heat treatment jig 20 is composed of two holding members 22 holding the lower parts of a panel glass 21, four holding members 23 slantly holding the back of the panel glass 21 and a frame 24. The holding members 22 having circular sections are fitted in the holders 241 fixed to the frame 24 free rotatably in the directions of the arrows A, making the axis thereof to correspond to the inclination of the panel glass 21 as well as free removably. The holding members 23 having also circular sections are fitted in cylindrical holders 242 horizontally fixed to the frame 24 rotatably in the directions of the arrows B as well as free removably. Respective holding members 23 holding the back ends of the panel glass 21 are rotatably inserted into the holders 242 from the directions of the arrows C as well as axially positioned by stoppers 25 anchored free removably. |
