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Media dispenser

  • US 6,250,509 B1
  • Filed: 09/02/1999
  • Issued: 06/26/2001
  • Est. Priority Date: 09/07/1998
  • Status: Expired due to Fees
First Claim
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1. A dispenser for discharging a medium under pressure, comprising:

  • a base body (4, 4a, 5a);

    a conveying chamber (15, 15a) disposed in the base body (4, 4a, 5a) for containing the medium under pressure, said conveying chamber (15, 15a) having an outlet passageway (55, 23a);

    a discharge actuator (8, 8a) that is operable for initiating flow of the medium out of the conveying chamber;

    an outlet duct (14, 14a) in communication with the outlet passageway (55, 23a) for receiving the medium from the conveying chamber (15,15a) and ending in a medium outlet (13, 13a), said outlet duct (14, 14a) determining a flow direction, and a valve (20, 20a) closing said outlet duct (14, 14a), said valve having closing faces (27, 28, 27a, 28a) including a valve seat (28, 28a), said valve (20, 20a) including first and second valve bodies (25, 26;

    25a, 26a), said valve including means for applying a stress (34, 34a) to hold said first valve body (25,25a) in a closed position, said first valve body (25,25a) being lifted off said valve seat (28, 28a) in response to movement of the fluid under pressure and counter to a closing stress, wherein when opening said valve, said first valve body (25, 25a) moves substantially in a same direction as said flow direction (11, 11a).

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