| 摘要 |
1,188,989. Portable vessels. VAN LEER (U.K.) Ltd. 20 June, 1968 [21 June, 1967], No. 28719/67. Heading A4A. [Also in Division B8] A portable vessel of inverted frustroconical shape is provided on substantially the whole of its outer surface with a helical arrangement of a plurality of beads alternating with a plurality of furrows. The vessels can be nested by screwing one into another, jamming being prevented by an abutment on the bottom or by offsetting the bottom upwardly. A lining may be screwed into the container. |
