| 摘要 |
1404815 Mixing apparatus BUSS AG 26 Oct 1972 [28 Oct 1971] 49380/72 Addition to 1380149 Heading B1C Mixing and kneading machines, each of which is constructed according to claim 1 of Patent Specification 1380149, are arranged in a set characterised in that using a given casing length the inner diameter of the housing is increased by a given factor from one machine to the next, the core diameter of the screw shaft of each machine is so chosen that the. difference between the inner diameter of the housing and the core diameter is the same in each machine and the number the vanes and kneading elements or teeth is also increased by approximately the same factor, from said one machine to said next machine. In a method of using the machines the number of axial movements per revolution of the screw shaft is increased and the number of revolutions per minute of the shaft is decreased in each case by approximately the same said factor, from said one machine to the said next machine.
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