Packaging and dispenser device comprising an endpiece, and a flexible pouch fastened to the endpiece

Abstract

A packaging and dispenser device may include: a flexible pouch including a top edge, and a dispenser endpiece onto which the pouch is fastened. The dispenser endpiece may include: a tubular body including an axis, and defining at least one inlet orifice and a dispenser orifice; and two fins that are substantially diametrally opposite, and that are situated on either side of the tubular body. Each fin may include at least one tapering portion that includes two downwardly-converging opposite faces. Each fin may include, over at least a fraction of its length, a projection forming an abutment for the top edge of the pouch.

1 . A packaging and dispenser device comprising: 
 a flexible pouch comprising a top edge, and    a dispenser endpiece onto which the pouch is fastened, the dispenser endpiece comprising: 
 a tubular body including an axis, and defining at least one inlet orifice and a dispenser orifice; and  
 two fins that are substantially diametrally opposite, and that are situated on either side of the tubular body, each fin including at least one tapering portion that includes two downwardly-converging opposite faces,  
 wherein each fin includes over at least a fraction of a length thereof a projection forming an abutment for the top edge of the pouch.  
   
   
   
       2 . A device according to  claim 1 , the projection comprising a rib that extends over at least a fraction of a top edge of the fins.  
   
   
       3 . A device according to  claim 1 , wherein each of the fins includes at least one oblique portion including a longitudinal axis that extends obliquely relative to the axis of the tubular body.  
   
   
       4 . A device according to  claim 1 , wherein each of the fins includes at least one perpendicular portion including a longitudinal axis that extends perpendicularly relative to the axis of the tubular body.  
   
   
       5 . A device according to  claim 1 , wherein the pouch comprises two opposite walls that are heat-sealed together, and that define an inside space for containing a composition, the fins being isolated from the inside space over at least a fraction of their length by a zone in which the walls of the pouch are heat-sealed together.  
   
   
       6 . A device according to  claim 5 , wherein the fins are isolated from the inside space over an entire length thereof by the zone in which the walls of the pouch are heat-sealed together.  
   
   
       7 . A device according to  claim 5 , wherein the zone extends underlying a longitudinal bottom edge of each of the fins.  
   
   
       8 . A device according to  claim 1 , wherein the fins generally extend downward.  
   
   
       9 . A device according to  claim 1 , wherein each fin includes at least one portion comprising two opposite faces that downwardly converge along a direction parallel to the axis of the tubular body.  
   
   
       10 . A device according to  claim 1 , wherein each fin includes, over at least a fraction of a top edge thereof, two ribs.  
   
   
       11 . A device according to  claim 10 , wherein each rib defines a shoulder with a corresponding face of the fin.  
   
   
       12 . A device according to  claim 1 , wherein at least one fin extends in a radial direction over a distance that is greater than 10 mm.  
   
   
       13 . A device according to  claim 1 , wherein each of the fins includes an end portion that tapers away from the tubular body of the endpiece.  
   
   
       14 . A device according to  claim 1 , wherein the tubular body includes a collar.  
   
   
       15 . A device according to  claim 14 , wherein distal ends of the fins are further from the axis of the tubular body than is the collar.  
   
   
       16 . A device according to  claim 14 , wherein the body includes a threaded neck that extends between the collar and the dispenser orifice.  
   
   
       17 . A device according to  claim 1 , further comprising rounded junctions between the fins and the tubular body, beside the inlet orifice.  
   
   
       18 . A device according to  claim 14 , wherein the collar includes at least one flat that is substantially parallel to the fins.  
   
   
       19 . A device according to  claim 14 , wherein the collar includes two diametrally opposite flats that are substantially parallel to the fins.  
   
   
       20 . A device according to  claim 1 , wherein the fins are substantially rectilinear.  
   
   
       21 . A device according to  claim 1 , wherein each fin includes a downwardly-directed bend.  
   
   
       22 . A device according to  claim 1 , wherein the pouch is heat-sealed on the endpiece.  
   
   
       23 . A device according to  claim 22 , wherein the pouch comprises two opposite main walls that are heat-sealed on the fins.  
   
   
       24 . A device according to  claim 1 , wherein longitudinal edges of the pouch are further from the axis of the tubular body than are distal ends of the fins.  
   
   
       25 . A device according to  claim 1 , wherein longitudinal edges of the pouch are closer to the axis of the tubular body than are distal ends of the fins.  
   
   
       26 . A device according to  claim 1 , wherein the pouch comprises a composite sheet.  
   
   
       27 . A device according to  claim 1 , wherein the pouch comprises a metal layer.  
   
   
       28 . A device according to  claim 1 , wherein the pouch contains a composition that must not be exposed to air during storage.  
   
   
       29 . A device according to  claim 1 , wherein the pouch contains a hair colorant.  
   
   
       30 . A device according to  claim 1 , wherein the downwardly-converging faces of each fin extend over a major fraction of the tapering portion.  
   
   
       31 . A device according to  claim 1 , wherein the downwardly-converging faces extend over substantially an entire height of the tapering portion.  
   
   
       32 . An endpiece for a packaging and applicator device as defined in  claim 1 .  
   
   
       33 . A packaging and dispenser device comprising: 
 a flexible pouch, and    a dispenser endpiece onto which the pouch is fastened, the dispenser endpiece comprising: 
 a tubular body including an axis, and defining at least one inlet orifice and a dispenser orifice; and  
 two fins that are substantially diametrally opposite, and that are situated on either side of the tubular body, each fin comprising at least one portion including a longitudinal axis that extends obliquely relative to the axis of the tubular body, the at least one portion including two opposite faces that converge along a direction perpendicular to the longitudinal axis and away from the dispenser orifice.  
   
   
   
       34 . A packaging and dispenser device comprising: 
 a flexible pouch, and    a dispenser endpiece onto which the pouch is fastened, the dispenser endpiece comprising: 
 a tubular body including an axis, and defining at least one inlet orifice and a dispenser orifice; and  
 two fins that are substantially diametrally opposite, and that are situated on either side of the tubular body, each fin comprising at least one portion including a longitudinal axis that extends obliquely relative to the axis of the tubular body, the at least one portion including two opposite faces that converge along a direction parallel to the axis of the tubular body and away from the dispenser orifice.  
   
   
   
       35 . A packaging and dispenser device comprising: 
 a flexible pouch, and    an endpiece onto which the pouch is fastened, the endpiece comprising: 
 a tubular body including an axis, and defining at least one inlet orifice and a dispenser orifice, and  
 two fins that are substantially diametrally opposite, and that are situated on either side of the tubular body, each fin comprising a longitudinal top edge and a longitudinal bottom edge and at least a portion that includes two opposite faces converging from the longitudinal top edge toward the longitudinal bottom edge, the pouch comprising two opposite walls that are heat-sealed together, and that define an inside space for containing a composition, the fins being isolated from the inside space of the pouch over at least fraction of a length thereof by a zone in which the walls are heat-sealed together.