| 摘要 |
948,225. Coating with preformed sheets. PRESTFIBRE Ltd. Nov. 22, 1962 [April 6, 1962], No. 13447/62. Heading B6G. Separate strips of sheet material are secured to the contoured portions of a fibrous moulding, as by gluing high frequency welding and also sticking, whereafter a sheet of material is secured to the moulding, adhering to the flat portions thereof and to the strips, by high frequency welding. The sheet material may be polyvinyl chloride. |
