| 摘要 |
1,169,112. Collapsible tubes. SUNSTAR DENTIFRICE CO. Ltd. 14 Feb., 1967 [23 Feb., 1966], No. 6891/67. Heading B8D. The upper section of a metallic tube (not shown) is secured to a metallic head portion 1 having a neck 2 of which the internal surface is polygonal enabling it to receive non-rotatably a correspondingly-shaped part 12 of a main nozzle portion 10 of plastics material, an outer nozzle portion 20 also of plastics being screwthreaded internally of its upper part 22 to engage threads on the portion 10. Below the screw-threads, on both the members 10 and 20, are formed sawteeth which interengage, when the member 20 is screwed down, and prevent relative rotation of these members. A screw cap is then fitted. |
