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    • 10. 发明专利
    • Improvements in milk churns
    • GB303428A
    • 1928-12-31
    • GB2574127
    • 1927-09-29
    • ARTHUR SAMUEL FRANCIS ROBINSON
    • B65D45/02
    • 303,428. Robinson, A. S. F. Sept. 29, 1927. Lids, tightened by screw mechanism.-In a milk churn, in which a gasket 18 is compressed between a loose seal plate 16 and the churn body by screw pressure applied to the plate at or near the centre thereof, the screw reacts between the plate and the bridging means which form part of an outer apron or flange 7. As shown, the bridging means and the apron ring form a complete outer cover 6 and a central boss 9 thereon accommodates a screwed bush 11 in which the screw 13 is mounted. The screw is formed with a squared hole in its outer end for the reception of a key by which it may be turned, and a head 15 at the lower end thereof, the head preventing complete removal of the screw and being detach ably secured in a recessed plate 17 on the seal plate 16. The gasket engages a groove 19 in an horizontal flange 3 on the neck of the churn, the flange being cut away in parts to permit inward projections 8 on the downturned flange 7 of the cover 6 to pass the flange; the cover is then turned to engage the projections 8 with the flange, a stop on the cover limiting the rotation. Specification 233,135 is referred to.