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Device for dispensinbg a dose of liquid or gel products

A liquid and product technology, applied in distribution devices, spray devices, packaging, etc., can solve problems such as improper startup of devices, deflection of distribution heads, etc.

Inactive Publication Date: 2006-09-13
REXAM DISPENSING SYST S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this lower position, however, there is a slight deflection of the dispensing head in the vertical direction and there is a risk that the valve cannot always be locked in a tight manner
Furthermore, when the dispensing head is up, it will be easy to move downwards, leading to improper actuation of the device

Method used

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  • Device for dispensinbg a dose of liquid or gel products
  • Device for dispensinbg a dose of liquid or gel products
  • Device for dispensinbg a dose of liquid or gel products

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] figure 1 The purpose of the device shown in is for the metered dispensing of liquid or gel products. For this purpose, the device comprises an axially movable dispensing head 1 on top of the product container R (wherein only the container neck C is in the figure 1 shown in ). The dispensing head 1 is equipped with a discharge channel 11 for the product.

[0032] This device also comprises a metering chamber 20 , defined on the one hand by the feed valve 22 and, on the other hand, by the piston 3 , the piston rod 31 being connected to the dispensing head 1 . The piston 3 is equipped with an outlet valve 32 .

[0033] In the illustrated embodiment, the inlet and outlet valves each include a movable sealing ball. The metering chamber 20 is arranged in a socket 2 with a conical body, which has an upper flange 21 for fastening to the edge of the neck C of the container.

[0034] The rod 31 of the piston 3 extends inside the metering chamber 20, ensuring the locking of t...

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PUM

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Abstract

The invention concerns a device for dispensing a dose of liquid or gel products comprising a dispensing head (1) axially mobile mounted on a product reservoir and provided with an outlet conduit (11) and a metering chamber (20) delimited by an intake valve (22) and by a piston (3) whereof the rod (31) is connected to said head (1) and which is equipped with an exhaust valve (32). The invention is characterised in that the rod (31) of the piston (3) extends inside the chamber (20) through a projecting lower end (31a) providing sealed locking of the intake valve (22) when the head is in low position.

Description

technical field [0001] The invention relates to a dispensing device for liquid or gel products. [0002] More precisely, a device of this type according to the invention comprises an axially movable dispensing head on top of the product container, the dispensing head being equipped with a discharge channel, the device also comprising a metering chamber, the metering chamber The chamber is defined on the one hand by an inlet valve and on the other hand by a piston whose stem is connected to the dispensing head and equipped with an outlet valve. Background technique [0003] However, devices of this type are still complex, not least because the discharge valve has to ensure that the metering chamber remains sealed in the upper part, which is always filled with product when the device is at rest. [0004] And generally these devices all comprise the return mechanism that is formed by a metal coil spring, to return dispensing head to the upper position. [0005] Aside from the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D47/34B65D83/76B05B11/02B05B11/00
CPCB05B11/306B05B11/3001B05B11/106B05B11/1001
Inventor J-L·布加蒙
Owner REXAM DISPENSING SYST S