초록 ▼

This invention has as its subject a dispensing device for fluid-like products, composed of a container having a cylindrical drum, of which one end is provided with a movable base and the other end includes a neck which is capped by a distributor assembly including a pump with axial intake which is f

This invention has as its subject a dispensing device for fluid-like products, composed of a container having a cylindrical drum, of which one end is provided with a movable base and the other end includes a neck which is capped by a distributor assembly including a pump with axial intake which is fitted onto a plunger sleeve. The lower face of the sleeve penetrates into the neck of the container during the fixing of the distributor assembly in the neck of the container, coming into position in sliding sealing engagement with a bearing surface of the neck.

대표청구항 ▼

Dispenser for a fluid product, formed of a container for said fluid product, said container being defined by a cylindrical drum, one end of which is provided with a movable base for sliding movement within said drum and the other end of which includes a neck in which a distributor pump assembly is d

Dispenser for a fluid product, formed of a container for said fluid product, said container being defined by a cylindrical drum, one end of which is provided with a movable base for sliding movement within said drum and the other end of which includes a neck in which a distributor pump assembly is disposed, said neck including an internal axially extending bearing surface having an upper edge and said distributor pump assembly including a pump having a section extending into said drum in radial spaced relation with the internal bearing surface of said neck and an axially located intake for receiving fluid product from said drum, said distributor pump assembly further including a sealing sleeve for sealing the pump section to the neck of the drum when said distributor pump assembly is located in an assembled position within said drum, said sealing sleeve having a lower face spaced axially along said drum from the base thereof when said distributor pump assembly is in said assembled position, the improvement wherein: a) the distributor pump assembly is configured in relation to the neck of said drum for sliding insertion into said assembled position in said neck after said drum has been filled with said fluid product and the distributor pump assembly further includes a reduction ring member for fixing the distributor pump assembly to the drum in said assembled position; b) the lower face of said sealing sleeve extends in sealing relation between said pump section and said bearing surface to close the radial space therebetween and is disposed below the upper edge of said bearing surface and in contact with the fluid product across the entire face when said distributor pump assembly is inserted into said assembled position within said drum; and c) means are provided on at least one of said pump, drum, and sealing sleeve for removing any air in said drum during insertion of said distributor pump assembly into said assembled position.