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Apparatus for controllably discharging flowable media

  • US 5,813,570 A
  • Filed: 01/30/1996
  • Issued: 09/29/1998
  • Est. Priority Date: 04/08/1994
  • Status: Expired due to Term
First Claim
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1. Discharge apparatus for flowable media, comprising:

  • a basic body, at least partly receiving a pump unit;

    said pump unit having a pump chamber connectable to a discharge opening via a discharge channel;

    a pump cylinder and a pump piston bounding said pump chamber;

    said pump cylinder forming a medium reservoir;

    said pump piston being displaceably guided in said pump cylinder for discharging all said medium contained in said medium reservoir by a single pump stroke in a pump stroke direction; and

    ,at least one breakable material bridge between said pump unit and said basic body which can be destroyed by an actuating force exerted in said pump stroke direction,whereby said medium is discharged from said apparatus with a predetermined discharging pressure by a predetermined actuating force level and said apparatus is provided with a destroyable tamper-evident closure.

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