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    • 1. 发明专利
    • Improvements in or relating to liquid-proof cartons
    • GB323843A
    • 1930-01-16
    • GB3146928
    • 1928-10-30
    • WILLIAM EDMUND JACOBS CROSSBYIAIN ROBERTSON HILLEARY
    • B65D3/06B65D3/14
    • 323,843. Crossby, W. E. J., and Hilleary, I. R. Oct. 30, 1928. Non - metallic hollowware; bottoms.-A liquid-tight carton of waterproofed paper &c., of conical or cylindrical shape, closed at one end, has the other or wider end sealed by the application thereto of a cap comprising a disc portion and a flange which extends both above and below the plane of the disc, the open end of the carton being turned or folded down over the cap flange to form a reinforced supporting rim for the container when filled and reversed. Fig. 2 shows a cap comprising two flanged discs A, B, arranged back to back, supported on a shoulder C of a carton the end C of which is folded over the flange of the outer disc as shown on the left-hand side of the Figure. Fig. 3 shows a similar construction in which the shoulder is replaced by an indentation D', and Fig. 4 a form in which a reinforcing disc E is interposed between the flanged discs, the flange of the outer disc being in this form made deeper and folded over together with the end of the carton to form the rim. Fig. 6. shows a construction where a single disc G with a flange G , G , doubled on itself, is employed.