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    • 5. 发明专利
    • Improvements in or relating to the manufacture of moulded plastic containers
    • GB819250A
    • 1959-09-02
    • GB2646956
    • 1956-08-30
    • COLE E K LTDBRIAN SMITH
    • B29C69/00
    • 819,250. Moulding plastic containers. COLE Ltd., E. K., and SMITH, B. Aug. 28, 1957 [Aug. 30, 1956], No. 26469/56. Class 87(2). [Also in Group I] A plastic container, e.g. a colander or sink tidy having at least one side wall perforated, is moulded as a blank with its side walls A-D including the perforated wall or walls, all lying in substantially the same plane and with flexible junctions E between them, so that by bending about the junctions, they may be assembled to form the side walls of the container. In the high-density polyethylene moulding shown, for a sink tidy the outer portions A and D brought together produce one side wall, the other two walls B, C being at approximately 90 degrees to each other. Flanges M, N on the portions A, D are held together e.g. by the engagement of suitable fixing means, e.g. integrally moulded press studs P on one flange in holes R in the other or by adhesive or welding. Each portion A-D has projecting at right angles to it an integrally moulded sector-shaped wall which together form a bottom for the container. The flexible junctions E have stiff ribbed projections S extending from them to form legs for the container.