| 摘要 |
<p>PURPOSE:To eliminate the need of cutting process and make miniaturization and automatization possible by a method wherein two sheets of stock guides are provided between a pair of press rolls, which are provided at the tip of an extruder and further the rate of extrusion is controlled on the basis of the detection signal of a detecting means of the amount of the bank of rubber-like body. CONSTITUTION:A pair of press rolls 4 and 5 with their pivot shafts supported horizontally are arranged in parallel ahead and back at the lower end part of a cylindrical extruder 3. Two sheets of stock guides 20 and 21, the upper end parts of which are projected horizontally and the lower end parts of which are arcuated along the outer peripheral edges of the press rolls 4 and 5, are provided between the press rolls 4 and 5. Further, the central projected parts 20b and 21b at the lower parts of the stock guides are projected near the closest position between both the rolls. Furthermore, the stock guides 20 and 21 are shifted horizontally and symmetrically so as to determine the width of a rubber sheet 9. Rubber-like body is extruded from the extruder 3 in the gap between the press rollers 4 and 5 so as to accumulate there in order to form bank 51. A computer controls the amount of the rubber-like body on the basis of the inputted detection signal of the amount of the bank, which is detected by a detecting plate 53 located ahead the bank 51 with optical sensors 60b and 61b.</p> |
