| 摘要 |
787,830. Forcing liquids by gaseous pressure. ABPLANALP, R. H. May 11, 1956, No. 14718/56. Class 102(2). [Also in Group XXIX] A moulded head for an aerosol container comprises a substantially flat diaphragm 3 having on the inner side a hollow rib 5 extending between a discharge passage 7 in the side wall of the head and a hollow hub 6 adapted to closely embrace the tubular valve stem of the aerosol and having a shoulder 11 for engagement with the top of the valve stem. Specification 680,067 [Group XXIX] is referred to. |
