US 12,258,201 B2
Valve cup for pressurized container
Hervé Bodet, Verdun (FR); and Eric Gaillard, Dieue-sur-Meuse (FR)
Assigned to LINDAL FRANCE SAS, Val de Briey (FR)
Appl. No. 17/629,142
Filed by LINDAL FRANCE SAS, Val de Briey (FR)
PCT Filed Jul. 13, 2020, PCT No. PCT/EP2020/069732
§ 371(c)(1), (2) Date Jan. 21, 2022,
PCT Pub. No. WO2021/013605, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 1908421 (FR), filed on Jul. 24, 2019; and application No. 2019/5836 (BE), filed on Nov. 25, 2019.
Prior Publication US 2022/0289468 A1, Sep. 15, 2022
Int. Cl. B65D 83/38 (2006.01); B65D 83/48 (2006.01); B65D 83/62 (2006.01)
CPC B65D 83/38 (2013.01) [B65D 83/48 (2013.01); B65D 83/62 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A valve for pressurized container, the valve comprising a valve cup and a valve body,
wherein the cup has an outer face and an inner face opposed to the outer face, wherein the cup is provided with:
a peripheral bearing edge for placing the cup on a can,
a central opening for passage of a product outlet rod,
a descending wall in a continuation of the peripheral bearing edge, and
a bottom wall between the descending wall and the central opening,
wherein the bottom wall of the cup comprises an inclined peripheral portion, wherein the inclined peripheral portion forms an obtuse angle with the descending wall,
wherein an inlet of the central opening on the inner face of the cup is located at a lowest level of the cup and at a level furthest from a plane formed by a top of the peripheral bearing edge, and
wherein the valve body is fixed to the cup, wherein a fixation between the valve body and the cup is only to an inner face of the inclined peripheral portion at an upper face of the valve body bearing against the inner face of the bottom wall of the cup, wherein the upper face of the valve body comprises:
a fixing crown fixed to the inner face of the bottom wall of the cup, and
an annular protrusion surrounded by the fixing crown and forming an annular tapered edge, wherein the annular tapered edge bears sealingly against a valve seal and presses the valve seal against the inner face of the cup.