| 摘要 |
1,012,538. Mixing and emulsifying by ultrasonic vibrations. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Sept. 9, 1964 [Sept. 12, 1963], No. 36908/64. Headings B1C and B1V. [Also in Division A2] A container 1 for liquids to be irradiated by an ultrasonic transducer 2 as for mixing, emulsifying, cleaning or sterilizing, has acoustically damping material 3 such as polyethylene or polypropylene arranged near the wall of the container but clear of the coupling region, whereby harmonics of audible frequency are prevented from reaching the container wall. |
