Mixing bowl for a planetary centrifugal mixer, and mixer receiving such bowls
OwnerJean-Luc Jouvininventor
Life of this patent
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Abstract
The planetary centrifugal mixer comprises a fixed axis (4) on which is rotatably mounted an arm (10) carrying a fixed rod (11) extending upwardly. The arm (10) is rotated about the axis (4) by means of a drive pinion (9), and at the same time a mixing bowl (22) fitted on the rod (11) is rotated about the rod, the drive pinion (16) of the bowl (22) being coupled by an intermediate pinion (18) to a pinion (19) integral with the fixed axis (4). The side wall (24) of the bowl (22) has at least two segments (28), the curvature radius being greater than that of the remaining segments (27). A central guide (29) projects from the bottom (23) of the bowl (22), its outer shape being matched to the shape of the lateral wall (24).
Claims13
A mixing bowl for a planetary centrifugal mixer, comprising:
- a bottom;
- a lateral wall extending from peripheral portions of the bottom and having an overall shape which is substantially cylindrical and an inner surface which, along at least lower portions of the lateral wall, includes a plurality of regularly spaced zones wherein two of the regularly spaced zones have a first radius of curvature and are separated by another two of the regularly spaced zones having a second radius of curvature greater than the first radius of curvature;
- and
- a central guide extending from central portions of the bottom and including an outer surface having a shape wherein radial distances between the inner surface of the lateral wall and the outer surface of the central guide are substantially the same.
A planetary centrifugal mixer for receiving a mixing bowl;
- wherein the mixing bowl comprises a bottom, a lateral wall extending from peripheral portions of the bottom and having an overall shape which is substantially cylindrical and an inner surface which, along at least lower portions of the lateral wall, includes a plurality of regularly spaced zones wherein two of the regularly spaced zones have a first radius of curvature and are separated by another two of the regularly spaced zones having a second radius of curvature greater than the first radius of curvature, and a central guide extending from central portions of the bottom and including an outer surface having a shape wherein radial distances between the inner surface of the lateral wall and the outer surface of the central guide are substantially the same;
- and
- wherein the centrifugal mixer comprises an arm mounted for rotation about a substantially vertical axis, a rod connected to and extending from the arm and having a substantially circular cross-section, for receiving the central guide of the mixing bowl, wherein the central guide includes a bore for engaging the rod so that the mixing bowl is rotatable about an axis defined by the rod and disposed at an angle to the vertical axis of the arm, and planetary transmission means including driving means for causing the arm to rotate about the vertical axis while simultaneously causing the mixing bowl to rotate about the axis defined by the rod.
Dependencies are inferred from the claim text.