| 摘要 |
A process and apparatus for producing a reclosable container stock with adhered occludable closure strips, said apparatus comprising a supply of closure strips, a rotatable lay-on roll having circumferential grooves therein, means to advance the closure strips to the lay-on roll, a rotatable casting cylinder positioned opposite the face of the lay-on roll, means for extruding a molten plastic film onto the casting cylinder so that the film adheres to the closure strips, and means for cooling the resulting reclosable container stock with adhered closure strips. |
