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Pump

A substance and container technology, applied in the field of pumps, can solve problems such as increased cost and inconvenience

Inactive Publication Date: 2006-03-08
RECKITT BENCKISER (UK) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both options add to the cost of using such a pump and are inconvenient to varying degrees

Method used

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Examples

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Embodiment Construction

[0091] Such as Figures 1A-1E As shown, pump 10 includes a container 20 and an actuator 30 . The container 20 comprises a circular cylindrical chamber 21 having a wall 22 with a first aperture 23 defined at a first end by a nozzle 24 and a second aperture 25 at its second opposite end. . The actuator may be mounted in the container 20 through the hole 25 either before or after the liquid 40 is injected into the container 20 . The wall 22 of the container 20 has a discontinuous (non-annular) wedge-shaped protrusion 26 projecting inwardly therefrom and is arranged to engage the actuator 30 . Container 20 consists of a very hard plastic material.

[0092] The actuator 30 comprises an actuating element 31 mounted between a first advancing element 32 and a second advancing element 33 . The first advancing element 32 is non-porous and forms a seal with the wall 22 of the container 20 so that liquid cannot pass therethrough. The actuating element 31 comprises an elastic capsule ...

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PUM

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Abstract

The present invention provides a pump comprising a container containing a dispense material, an outlet therefrom and an actuator arranged to alternate between first and second configurations in response to a change in the pump's environment, to cause an aliquot of dispense material to be expelled through the outlet.

Description

technical field [0001] The present invention relates to a device, namely a pump, in particular but not exclusively to a pump which discharges a volume of fluid from a container in response to changes in the environment in which it is located. Background technique [0002] It is known to provide a pump which periodically releases a volume of fluid from a container. In particular, such pumps are used to periodically release a quantity of fragrance into the environment surrounding the pump, for example into a room containing a toilet bowl. However, the known pumps have the disadvantage that they must be provided with a power source in order to start the pump. This requires periodic battery replacement or hardwiring the pump to mains power. Both options add to the cost of using such a pump and are inconvenient to varying degrees. Contents of the invention [0003] Accordingly, the present invention seeks to address at least one disadvantage associated with known pumps descr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B19/24F04B17/00F04B43/06
CPCF04B19/24F04B43/06B65D83/00
Inventor 杰弗里·罗伯特·哈蒙德马尔科姆·汤姆·麦基奇尼
Owner RECKITT BENCKISER (UK) LTD
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