| 摘要 |
<p>1420847 Trays DIAMOND INTERNATIONAL CORP 1 March 1973 [14 Aug 1972] 10020/73 Addition to 1342843 Heading B8P A moulded rectangular tray includes side walls 16, each of which has an upper inclined portion 15, an intermediate curved portion 17 and a lower inclined portion 18, and an open lattice bottom formed by ribs 20 having an inverted U- or inverted V-shaped cross-section and a height equal to the height of the lower inclined portion 18. The tray has a shaped peripheral lip 14. The junction between adjacent side walls is curved and the side walls are bowed when viewed in plan. The ribs 20 may be arranged as shown or to provide brick-work or diamond shaped window patterns. The bay may be moulded from wood or paper pulp, biodegradable foam polystyrene, or a porous polyolefin material. The bottoms or both bottoms and tops of the ribs 20 may be coated with wax or polyethylene.</p> |
