| 摘要 |
<p>The apparatus for producing the elements of slide fasteners includes continuous rotating die wheel(22), cavities(23)formed around the rim of the wheel to be used for moulding elements, injecting nozzle(26) pouring melted thermoplastic resin into the cavities, guide rollers(27) (28) (29) transferring the strip of mouldings(30) departed from the die wheel, therein and folds the warm strip of mouldings to obtain a U_profile, element forming unit(42) heated by secondary heating element(39), cooling unit(55) and transferring device of the elements whose rotating speed is equal to that of the diewheel.</p> |
