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Degassing valve with positive-pressure control, methods for producing same and packets containing same

a degassing valve and positive-pressure technology, which is applied in the field of degassing valves, can solve problems such as undesirable flavors and odors in products, and achieve the effects of reducing or preventing the migration of oils and aromatics, reducing the difference in pressure between the inside and outside, and positive pressur

Inactive Publication Date: 2020-04-30
PRISMA COFFEE TECH S AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is a one-way valve that prevents air and liquids from escaping or entering a package, which can cause damage or loss of content. The valve uses layers of a base substrate, stretch film, and filtering material to maintain a positive pressure inside the package. This prevents the migration of oils and aromatics from roasted coffee beans to the outside of the package, which can result in oxidative rancidity and flavor loss. The valve also helps to maintain the aromas of roasted coffee inside the package, keeping it fresher for a longer time. Additionally, the valve prevents failure or leaks of the package's seams or seals by generating a positive pressure atmosphere. Overall, this valve improves the preservation and quality of coffee in its packaging.

Problems solved by technology

When oils migrate to the surface, they react with oxygen, which generates undesirable flavors and odors in the product (oxidative rancidity).

Method used

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  • Degassing valve with positive-pressure control, methods for producing same and packets containing same
  • Degassing valve with positive-pressure control, methods for producing same and packets containing same
  • Degassing valve with positive-pressure control, methods for producing same and packets containing same

Examples

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Effect test

example 1

[0035]Comparative analysis of the organoleptic properties of a coffee sample packaged in a commercial packaging and a sample packaged in the packaging of the present invention.

[0036]Based on the Colombian Technical Standard (NTC) 4447 (Sensory analysis. Standard method for determining the effect of packaging on food products and beverages during storage of the products), a discriminative test was carried out on which four samples of A (a sample with commercial packaging) and four samples of B (the sample with experimental packaging) were placed in two tables, and in a interspersed pattern, for expert tasters to determine which was the most oxidized sample.

[0037]As a result, in the discriminatory test, the expert tasters identified that sample A is which contained a higher degree of oxidation and rancidity, thus demonstrating that the package and valve of the present invention provides the preservation of the organoleptic properties of coffee.

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PUM

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Abstract

The present invention relates to a one-way multilayer degassing valve, with positive-pressure control, which comprises one or more layers of a base substrate, one or more layers of a stretchable film and one or more layers of a filtering material. The invention also relates to packages comprising these valves and to a method for producing the same.

Description

FIELD OF THE INVENTION[0001]The present invention is directed to the technical field of degassing valves. More particularly, the present invention relates to one-way degassing valves for use in packaging. In even more detail, the invention discloses one-way degassing valves for use in storage bags (particularly for coffee), the packages that comprise the valves and methods of manufacturing the valves.STATE OF THE TECHNIQUE[0002]Although there are degassing valves already reported in the state of the art, they have several drawbacks. For example, these valves allow excessive loss of volatile aromatic substances, which are desired inside the packages to maintain better product quality for longer periods of time. Likewise, many of the existing valves allow the entry of air that generates undesired atmospheres with high oxygen content within the packages. Many of the valves reported in the prior art employ a liquid that is displaced by the pressure exerted by the gases generated inside ...

Claims

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Application Information

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IPC IPC(8): B65D77/22B65D33/01
CPCB65D33/01F16K15/147B65D51/1644B32B2439/70B65D2205/00B65D81/2084B65D77/225B65D81/24B65D51/16B65D77/22B65D81/20B65D81/26F16K15/16
Inventor ESTRADA VELEZ, JUAN MANUEL
Owner PRISMA COFFEE TECH S AS