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Fluid product tank

A technology for fluid products and storage containers, which is applied in the field of storage containers, can solve the problems of difficult discharge of fluid products and the impossibility of completely emptying storage containers, etc., and achieve the effect of increasing the discharge rate

Inactive Publication Date: 2015-07-15
APTAR FRANCE SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A problem generally inherent with follower pistons is that it is difficult to expel the entire fluid product stored in the reservoir
In fact, it is practically impossible to completely empty the reservoir because of the configuration of the follower piston of the shoulder of the reservoir and the dispensing mechanism (pump)

Method used

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  • Fluid product tank
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] First refer to Figures 1a to 2b , describing a first embodiment of the reservoir with a follower piston of the present invention. The reservoir has three constituent elements, namely a reservoir body 1 , a follower piston 2 and optionally a bottom 3 . These three constituent elements can be produced by injection molding suitable plastic materials. The container main body 1 can also be made of glass, ceramics or metal.

[0019] Here, the container body 1 is characterized by two parts, an outer part 1a and an inner part 1b, especially for aesthetic reasons. In practice, the inner part 1b can be made of an opaque material and the outer part 1a can be made of a transparent material so that the inner part 1b can be seen through the transparent outer part 1a. The outer part 1a can for example be overmolded on the inner part 1b. These two parts 1a, 1b together form the reservoir body 1 . In this context, it may be considered that the main body of the reservoir forms an i...

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PUM

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Abstract

A fluid product tank comprising: a sliding barrel (11), a neck (12) defining an outlet opening (13), an inner shoulder (14) linking the sliding barrel (11) to the outlet opening (13), the inner shoulder (14) being provided with an annular groove (15) that extends into the extension of the sliding barrel (11) such that the inner shoulder (14) defines an annular ring (16) that links the annular groove (15) to the outlet opening (13), - a follower piston (2) sealingly and slidingly engaged in the sliding barrel (11), the piston (2) defining at least one sealing lip (21) that is received in the annular groove (15) when the tank is empty, characterised in that the annular ring (16) is formed with at least one radial groove (17; 17') that links the annular groove (15) to the outlet opening (13) of the neck (11).

Description

technical field [0001] The present invention relates to a storage container having: a sliding sleeve; a neck defining an outlet; an inner shoulder connecting the sliding sleeve to the outlet; and a follower piston, the A follower piston is sealingly and slidingly engaged in the sliding sleeve, the follower piston defining at least one sealing sliding lip. Such containers are often used in the field of cosmetics, or more generally, for storing sensitive or unstable fluid products. In fact, such a reservoir with a follower piston can store a fluid product that never comes into contact with the air. This is possible because the movement of the follower piston changes the effective volume of the reservoir as the fluid product is expelled. Advantageously by using a dispensing mechanism that does not admit air, it is thus ensured that the fluid product stored in the storage container never comes into contact with air. Background technique [0002] A problem generally inherent w...

Claims

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Application Information

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IPC IPC(8): B05B11/00B65D83/00
CPCB05B11/0037B65D83/0033B05B11/0048B05C17/00516B05C17/00569B05C17/0146B65D2539/003B05B11/028B05B11/0038
Inventor F·亚当
Owner APTAR FRANCE SAS