| 摘要 |
<p>A hockey stick has a head of conventional curved shape made of one plastics material. (I) and covered with a sheath made of another material (II). Pref. (II) is highly impact and abrasion resistant and can be applied by an overmoulding technique, opt. is of polyurethane. Pref. (I) is a relatively rigid, low cost material, pref. polypropylene, opt. is solid or expanded and filled with talc and/or a fibrous material. The core of the head may be integrally moulded with the handle- opt. the handle is partly covered with a fabric grip included as a mould insert. The prod. is cheaper and more durable than a conventional laminated wooden stick.</p> |
