Dispersing tool with an inner shaft rotatable within a...

Details Dispersing tool with an inner shaft rotatable within a... Dispersing tool with an inner shaft rotatable within a...

2006-06-06

2006-06-06

Cooley, Charles E. (Department: 1723)

Agitating

Operator supported

C366S305000

Reexamination Certificate

active

07056009

ABSTRACT:
A dispersing tool (1) is provided having a hollow shaft (2), which has an open, laterally slotted region on its free end (4) that faces away from a drive that is at the bottom in the position of use, and with an inner shaft (3), which can rotate in this hollow shaft (2) and which has a dispersing tool (5) interacting with this hollow shaft in the region of the slotted end of the hollow shaft (2). Upon rotation, the inner shaft creates a pumping effect directed towards the free end (4). To counteract the pumping effect of a smooth inner shaft in a direction towards the drive and simultaneously to prevent eccentricities in the profile of the inner shaft (3) and to guarantee simple manufacturing, the inner shaft (3) has at least one section (6) with an increasing cross section and the cross section increases from the drive side toward the free end (4).

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