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Dispenser for chemically unstable products

Imported: 24 Feb '17 | Published: 06 Jan '04

Christophe Roy

USPTO - Utility Patents

Abstract

A dispenser for chemically unstable products that result from mixing at least two liquid and/or semiliquid components, the dispenser being of the type comprising an outer housing (

1) containing at least two hermetically sealed compartments (

11, 12) each containing a liquid component, the compartments being provided with respective extractor members (

21, 22) suitable for being actuated simultaneously and together by a single pushbutton (

3) and suitable for delivering into separate delivery ducts (

31, 32) formed inside said pushbutton (

3) and opening to the outside via at least one ejector orifice (

31

a

, 32

a), the dispenser being characterized in that each of said compartments (

11, 12) is defined transversely by the bottom (

10) of the outer housing (

1) and by an internal bushing (

41, 42) for supporting its extractor member (

21, 22), and laterally by the wall of an internal tubular element (

51, 52) whose ends are fixed in leakproof manner respectively to said bushing and to the bottom (

10) of said housing (

1).

Description

BRIEF DESCRIPTION OF DRAWINGS

The invention will be better understood on reading the following description accompanied by drawings, in which:

FIGS. 1A and 1B are respectively an exploded perspective view prior to assembly and a perspective view after assembly of an embodiment of a dispenser of the invention;

FIGS. 2A and 2B are section views of the embodiment of FIGS. 1A and 1B, respectively during a rest stage and during a dispensing stage;

FIGS. 3A and 3B are section views of two variant embodiments of the dispenser of the invention;

FIGS. 4A and 4B are respectively a section view and a plan view of another embodiment of a dispenser of the invention; and

FIGS. 5A,

5B, and

5C are respectively a view from beneath, a section on AA, and a section on BB showing a pushbutton used for the dispenser of the invention.

Claims

1. A dispenser for chemically unstable products arranged to mix at least two liquid or semiliquid components, the dispenser comprising:

2. The dispenser according to claim 1, wherein the tubular elements of each compartment are united by a partition wall.

3. The dispenser according to claim 1 or 2, wherein at least a portion of an outer side wall of the tubular elements is in contact with an inner side wall of the outer housing.

4. The dispenser according to claim 1 or 2, wherein said tubular elements include a transverse shoulder in contact with at least a portion of an inner wall of the outer housing so as to position a tubular portion of the tubular elements a distance from the inner wall of the outer housing.

5. The dispenser according to claim 1, wherein the tubular elements include a neck configured and dimensioned to receive an internal bushing connecting to the tubular elements and the extractor members.

6. The dispenser according to claim 1, further comprising a single body case defining said tubular elements, said case configured and dimensioned to be received by said outer housing.

7. The dispenser according to claim 1, wherein the delivery ducts connect near said ejector orifice.

8. The dispenser according to claim 1, wherein the ejector orifice includes a projection extending from a side face of the push button.