| 摘要 |
<p>The present specification discloses a method and apparatus for applying a coating of a plastics material to sheet-like material which is pervious to air, for example, the back of a carpet. Basically plastics material (P) is extruded onto the back of the carpet (1) and the carpet (1) is passed over suction means (3) which draws the plastic material (P) against and between the fibres of the carpet base (1). The composite (1,P) is then cooled to solidify the plastics material and bond the plastic to the carpet back (1).</p> |
