| 摘要 |
<p>Blow-moulding thermoplastic bottles, tubes, cans etc. Device comprises a two or three-section mould whichis reciprocated between the spraying nozzle of an extruder and another station by a crank gear. Spec., the mould reciprocates along a guide rail with a pivotal end. The length of the crank is equal to half the distance between the receiving and discharging station.</p> |
