| 摘要 |
1,079,253. Pressurized dispensing container valves. N. W. SEAQUIST. Sept. 1, 1964 [Sept. 3, 1963], No. 35740/64. Heading F1R. The depending tail portion 12 of the valve body 10 of an aerosol dispensing valve is provided with an internal annular projection 16 and a substantially rectangular internal cross-section 18, above the projection, to secure and prevent rotation of the dip tube 14. The valve stem may be of the solid mushroom shaped type. |
