摘要 |
PCT No. PCT/GB97/00640 Sec. 371 Date Apr. 12, 1999 Sec. 102(e) Date Apr. 12, 1999 PCT Filed Mar. 7, 1997 PCT Pub. No. WO97/35134 PCT Pub. Date Sep. 25, 1997A convoluted flexible protective sleeve comprises a wall made of heat-resistant plastics material and a layer of infra-red radiation-reflecting metal vacuum deposited on the outer surface of said wall. The layer is between 0.05 and 5 micrometers in thickness. |