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Device for controlling the flow of liquid using a tube

  • US 6,676,104 B2
  • Filed: 11/19/2002
  • Issued: 01/13/2004
  • Est. Priority Date: 05/19/2000
  • Status: Expired due to Fees
First Claim
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1. A device containing a tube for a varied flow, comprising a tube being fixed at its both ends,wherein the tube is arranged to be stretched or shortened by lengthening or shortening of the length of the tube between said fixed points, whereby the device comprises at least one arc shaped surface arranged to receive said tube, that the arc shaped surface is arranged to be adjustably moved in a longitudinal direction for longing or shortening said tube, and whereby the arc shaped surface is at least one wheel provided with a radially inwardly directed recess for receiving said tube.

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