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Method of manufacturing a nozzle arrangement

A nozzle and component technology, which is applied in the field of manufacturing split nozzle components, can solve problems such as fluid leakage and fluid leakage, and achieve the effect of preventing clogging

Inactive Publication Date: 2008-02-13
INCRO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In addition, deformation of the joint surfaces or sealing elements provided on each of the two separable parts often results in leakage of fluid through the nozzle member which subsequently seeps between the joint surfaces

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] The invention will now be further described with reference to the following specific examples.

[0030] Example: Preparation of Spray Cap Nozzle Components for Spray Cans

[0031] Polypropylene and blowing agent Safoam FPE 50 trade name Safoam FPE 50 at a weight volume ratio of 2% were injected into a mold to produce a spray cap nozzle member. The mixture was then heated in the mold at an elevated temperature for 10 seconds and then allowed to cool. This produces a spray cap nozzle structure that is apparently free from sagging.

[0032] In comparison, an equivalent article manufactured without the Safoam FPE 50 blowing agent resulted in significant sagging in the spray cap nozzle member.

[0033] Of course, it should be known that the above-mentioned embodiments are only described by way of example, and the present invention is not limited to some details of the above-mentioned embodiments.

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PUM

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Abstract

The present invention relates to a method of manufacturing a split nozzle arrangement, i.e. a nozzle arrangement consisting of at least two parts which can be releasably or permanently connected together, each of said parts having an abutment surface which, when in contact, define an inlet, outlet and fluid flow passage, which connects the inlet to the outlet, of the nozzle arrangement. The method of the invention comprises the steps of injecting a mixture of a plastic base material and a foaming or blowing agent into the mould of the nozzle arrangement, allowing the plastic base material to set or harden and subsequently removing the final moulded nozzle arrangement from the mould. The foaming or blowing agent produces bubbles or pockets of gas plastic base material and thus form a final moulded article in which at least 90% of the bubbles or pockets of gas have a maxiumum dimension of 0.5 millimeters or less. In a preferred embodiment of the invention the plastics base material is a thermoplastic material and the foaming or blowing agent is a mixture of bicarbonate of soda and acetic acid.

Description

technical field [0001] The invention relates to a method of manufacturing a nozzle component. More particularly, the present invention relates to a method of manufacturing a split nozzle arrangement as defined herein. Background technique [0002] Nozzle components are widely used to actuate and control various products available on the market such as insecticides, spray paints, tinted paints, air fresheners, waxes, polishes, stove cleaners, slurries and Fabric cleaners, window / glass cleaners, shoe / leather cleaners, household products, hair care products, toilet water and perfumes, deodorants or body sprays, antiperspirants, pharmaceuticals, industrial products and some food products. [0003] The nozzle member is typically fitted to a pressure vessel, such as a portable aerosol can. One of the most commonly used nozzles is a so-called "spray-through cap" fitted to one end of an aerosol can, which includes an actuator configured to selectively engage and open the aerosol c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C44/10B29C45/00B29K105/04
CPCB29C44/10
Inventor 基思·莱德勒
Owner INCRO LTD