| 摘要 |
In an apparatus for texturing an outer surface of an extruded thermoplastic resin article, thermoplastic resin article is formed from a molten thermoplastic resin and a liquid jet printer head is adapted to impinge a stream of liquid against said thermoplastic resin for rapidly cooling said thermoplastic resin in impinged area to imparting texturing to said extruded thermoplastic resin article.
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