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SYRINGE TYPE PUMP

  • US 20130324884A1
  • Filed: 10/07/2011
  • Published: 12/05/2013
  • Est. Priority Date: 10/11/2010
  • Status: Active Grant
First Claim
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1. A syringe type pump comprising a barrel curved in a shape of a segment of a toroidal tube with a lengthwise extending axis, a connecting opening in a vicinity of one end of the barrel for the passage of fluid, a piston movable along the axis and tightly fitting in an interior of the barrel, and a driving rod for reciprocally moving the piston, the driving rod is guided and supported by an inner surface of a barrel wall.

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