| 摘要 |
PURPOSE:To mold a roof face simply and securely into a mirror face shape by providing a movement mechanism for moving an outer side face molding face to a mirror face Molding face in a mold for molding a hollow penta-mirror with mirror face-shaped roof face. CONSTITUTION:A molding tool 16 suitable for molding a hollow penta-mirror of a finder device of a single lens reflex camera consists of a top force 17 composed of contacting and separating components 33 and 35 and a top force side template 31 and a bottom force 19 composed of an intermediate mold 27 provided with a contacting and separating plate component 55 which contacts and separates directly to the top force 17 and a separate bottom force 29. The top force side template 31 moves back and forth to a pressing section 41 having a mold face pressing section with its end formed as a mirror face molding face toward a mold space 10a. The roof face molding component 45 inserted into a guide opening 43 is disposed in the mold space 10a, and a pressing section 40 can be moved back and forth vertically to a mirror face molding face 76 of the roof face molding component 45 through a rotating press lever 40 by the action of a cylinder 36. |
