POMPE POUR PRODUIT LIQUIDE OU VISQUEUX
    3.
    发明公开
    POMPE POUR PRODUIT LIQUIDE OU VISQUEUX 有权
    泵发出液体或粘性产品

    公开(公告)号:EP2229239A1

    公开(公告)日:2010-09-22

    申请号:EP09720170.1

    申请日:2009-01-07

    摘要: The invention relates to a pump that can be operated manually or by a utensil held in one hand by a user, characterised in that it comprises an elastically deformable chamber (10), the inside of which can contain a liquid or viscous product (8) and the outside of which can be brought into contact with the air, in a gap (7) in said chamber (10), and with a replacement fluid, in an opening (6) in said chamber. The invention is also characterised in that the chamber can be elastically deformed by pressure exerted by a user, in order to create an overpressure in the product (8) in relation to the outside, and to open the gap (7), letting a useful amount of the product (8) escape; in that the chamber (10) can elastically regain its original form when the user releases the pressure, in order to create a depression in the product (8), in the presence of a flow of replacement fluid via the opening (6) towards the inside, and to close the gap (7); and in that the wall of the chamber (10) is essentially plane to the vicinity of said gap (7).