Importance

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Abstract

The invention concerns a peristaltic hose pump comprising a roller wheel (1) rotatable about a roller wheel axis (D), which roller wheel has rollers that are mounted thereon (2), the roller wheel rotation axes (R) of which are arranged on a circle concentric with the roller wheel axis (D), the rollers (2) partly projecting beyond the roller wheel (1), comprising a hose (3), which has a flexible and elastic pump segment (4), and the pump segment (4) being fixable in the axial direction at its two opposite ends (5, 6) by means of one fixing point (P1, P2) each, and the pump segment (4) being guided around the roller wheel (1) under elastic tension, wherein the length (L1) of the pump segment (4) when not under tension in proportion to the distance (A) of the fixing points (P1, P2) to the roller wheel rotation axis (D) is adjusted with the provision that while the roller wheel (1) is stationary and when applying a fluid pressure in the range from 10 to 400 mbar to one end (P1, P2) of the pump segment (4), a flow of the fluid of at least 0.01 1/min through the pump segment (4) is obtained.

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First Claim