the arrow indicates the direction of flow of the liquid inside the hose the ends of the hose guided out of the pump bed cross in the connector 14 in this manner the flexible hose 12 is compressed continuously in the direction of the arrow a by a rotor 11 of the roller pump 10 with corresponding rollers 13 so that the corresponding pump effect for the liquid results a space saving infeed and outward guidance of the hose 12 or of the hose parts 16 and 18 is possible due to the crossing guidance of the hose 12 resulting from the representation in accordance with fig1 or due to the hose guidance formed by the hose parts 12 16 and 18 and the connector 14 directly next to the opening 24 of the pump bed 22 the hose shape shown in fig1 can be described as an alpha shape in which the ends of the hose 12 guided out of the pump 22 are guided out tangentially and in a crossing manner from the pump bed 22 the hose parts 16 and 18 can also be guided out of the pump directly laterally not shown in fig2 different views of a roller pump housing 20 made as an injection molded part are shown only the stator of the roller pump 10 is shown here fig2 a shows a plan view from above fig2 b a side view fig2 c a view from the front and fig2 d a perspective view from above whereas fig2 e shows a perspective view from below a pump bed 22 is formed in the roller pump housing 20 and the arcuately shaped hose 12 can be inserted into it.