Unit for dispensing at least one fluid product, in particular a

Details Unit for dispensing at least one fluid product, in particular a Unit for dispensing at least one fluid product, in particular a

1990-07-24

1992-10-13

Shaver, Kevin P.

Dispensing

Outlet element operated by pressure of contents

Spring form, resilient or compressible flow controller or...

222321, 222380, 222491, 222571, B65D 2540

Patent

active

051543281

ABSTRACT:
The invention concerns a unit for dispensing at least one fluid product; this unit comprises at least one dispensing duct, each comprising at its end portion a closing system opening towards the outside. The closing system is formed by an obturator which forms part of a component made of an elastically deformable material and a seat which forms part of another component of the dispensing head. The obturator is in contact with its associated seat in the absence of any dispensing action, moving away from the seat by elastic deformation under the pressure of the product to be dispensed, and returning by elasticity into contact with the seat when the dispensing stops. The obturator is subjected to the action of a constraining element tending to keep it applied to the seat wherewith it cooperates.

REFERENCES:
patent: 1881488 (1932-10-01), Gleason
patent: 2755974 (1952-09-01), Godfrey
patent: 2814419 (1957-11-01), Lipman
patent: 3062416 (1962-11-01), Cooprider
patent: 3288334 (1966-11-01), Corsette
patent: 3420413 (1969-01-01), Corsette
patent: 3820689 (1973-04-01), Cocita
patent: 3991916 (1976-11-01), Del Bon
patent: 4084731 (1975-01-01), Ayes
patent: 4099651 (1975-05-01), von Winckelmann
patent: 4124150 (1975-08-01), Moss
patent: 4671428 (1987-06-01), Spatz
patent: 4830284 (1989-05-01), Maerte

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