| 摘要 |
<p>953,670. Stuffing-box packing. CRANE PACKING Ltd. Dec. 6, 1962 [Dec. 9, 1961], No. 44148/61. Heading F2B. [Also in Division D1] Gland packing comprises unsintered P.T.F.E. braided together with strands or cords of another stronger material, e.g. asbestos string, metallic, e.g. copper wire, hemp or cotton. As shown, Fig. 1, a braid may be made of alternate cords P of P.T.F.E. and A of asbestos without a core but a core of asbestos or other fibres may be provided. The packing may be put through a die to make it rectangular in cross-section.</p> |
