| 摘要 |
<p>997,647. Bottle filling machines. HOLSTEIN & KAPPERT MASCHINENFABRIK PHOE. NIX G.m.b.H. March 3, 1964 [April 10, 1963], No. 8855/64. Heading B8T. A gas pipe 9 which screws into a movable valve 5 of a filling element of a bottle filling machine is prevented from accidentally becoming unscrewed, by cutting the screw-threads on a part 16 of the pipe which is of a relatively large diameter and by having a conical part 17 above the part 16 as a push fit within the element, so acting as an anti-turning device.</p> |
