A piston pump arrangement for hygienic processing applications

US20150345487A1Inactive Publication Date: 2015-12-03TETRA LAVAL HLDG & FINANCE SA
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
TETRA LAVAL HLDG & FINANCE SA
Publication Date
2015-12-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

A membrane comprises a main body having a first side and a second side. The main body is made of an elastic material in order to forward a pressure e.g. formed by a piston. On the second side it is provided a coating made of plastic material such that the main body is not affected by cleaning agents, abrasive products or the like coming in contact with the second surface.
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Description

TECHNICAL FIELD

[0001] The invention generally relates to the processing industry. More particularly, the invention relates to a piston pump arrangement suitable for hygienic applications, such as food processing, cosmetic product processing or pharmaceutical product processing.BACKGROUND OF THE INVENTION

[0002] Today it is well known to use homogenizers within the food processing industry. For instance, within the dairy industry homogenizers are used for dividing fat globules into minor parts in order to obtain a stable fat emulsion against gravity separation. In other words, by homogenizing milk one can avoid that a cream layer is formed on top of the milk product. Other reasons for homogenizing food products are to achieve a more appetizing colour, reduced sensitivity of fat oxidation, more full bodied flavor, improved mouthfeel and better stability of cultured milk products.

[0003] Generally a homogenizer can be divided in two main parts, a high pressure pump forming a high pressure a...

Claims

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