| 摘要 |
588,386. Powder distributing containers. PATON, CALVERT, & CO., Ltd., and PATON, W. Feb. 14, 1945, No. 3703. [Classes 18 and 66] A container for holding powders &c. has an opening 4 at one end closed by a perforate cap 6 having an uninterrupted rim which is snapped over a flange 8 around the opening. An outer cap 7 may fit frictionally below the perforate cap and enclose it. In a preferred embodiment the metal top of the body 2 has an annular neck 3 with groove 5 below the rim of the perforate cap, which is of slightly smaller internal diameter than the external diameter of the rim of the opening. |
