| 摘要 |
1491319 Containers with Bunghole bushes AMERICAN FLANGE & MFG CO Inc 7 Nov 1975 [11 Nov 1974] 46254/75 Heading B8T A container has a wall 19 whose opening contains a metal bush 5 comprising an internally screw-threaded neck 6 having at one end an outwardly flared bead 22 and at the other end a non-circular, and preferably octagonal, base 9 against which rests a resilient sealing gasket 18. The bush is encased within an embossment 3 comprising a collar 20, an annular gasket-receiving pocket 24, a flattened section 24a overlying the base 9 and a downwardly extending octagonally shaped wall 25 which extends below the bottom 10 of the base 9. |
