公开(公告)号：WO1989008055A1

公开(公告)日：1989-09-08

申请号：PCT/FI1988000205

申请日：1988-12-30

申请人： OY WILLIAMS AB

发明人： OY WILLIAMS AB ,  RANTA, Heikki, O., A.

IPC分类号： B65D41/04

CPC分类号： B65D41/0492

摘要： This invention relates to a plastic box comprising a bottom part (3) of a hard plastic, as styrene plastic, for instance polystyrene or styrene acrylonitrile, the edge of the mouth of which is provided with an outer thread, as well as a cover (6), the edge (2) of the mouth of which is provided with an inner thread fitting the thread of the bottom part (3). To combine both good sealing properties and a good function of the thread with a good surface quality and good printing properties, the procedure according to the invention has been that the cover (6) comprises two parts (1, 2), viz. a threaded part (2) of a flexible plastic, as polyolefin, for instance HD-polyethene or polypropylene, with said inner thread and a closing surface to close the mouth of the bottom part (3) and to be sealed against its edge, as well as a casing part (1) of a hard plastic, as styrene plastic, for instance polystyrene or styrene acrylonitrile, to be arranged on the threaded part (2).

摘要翻译： 本发明涉及一种塑料盒，其包括硬塑料的底部（3），作为苯乙烯塑料，例如聚苯乙烯或苯乙烯丙烯腈，其口部的边缘设有外螺纹，以及盖（ 如图6所示，其口部的边缘（2）设有与底部（3）的螺纹相配合的内螺纹。 为了将良好的密封性能和良好的螺纹功能结合在一起，具有良好的表面质量和良好的印刷性能，根据本发明的方法是盖子（6）包括两个部件（1,2），即， 柔性塑料的螺纹部分（2）作为聚烯烃，例如HD-聚乙烯或聚丙烯，具有所述内螺纹和闭合表面以封闭底部（3）的口部并被密封抵靠其边缘，如 以及作为布置在螺纹部分（2）上的作为苯乙烯塑料（例如聚苯乙烯或苯乙烯丙烯腈）的硬塑料的壳体部分（1）。