| 摘要 |
PCT No. PCT/AT94/00042 Sec. 371 Date Sep. 28, 1995 Sec. 102(e) Date Sep. 28, 1995 PCT Filed Apr. 7, 1994 PCT Pub. No. WO94/22654 PCT Pub. Date Oct. 13, 1994A mold closing unit for an injection molding device includes a machine frame, a moving mold platen and a fixed mold platen joined by four guide rods at the corners of the plates, with the moving mold platen being moveable along the guide rods via hydraulic cylinders connected thereto and arranged in prolongation of the rod axes, and with the diameters of one pair of piston rods being smaller and with the diameters of another pair of piston rods being greater than the diameter of the identical guide rods so that the contact surfaces of the pistons of each hydraulic cylinder on the opening and the closing sides are of different sizes. |
