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Lightweight protection element and filter of the mattress type

a technology of filter element and mattress type, which is applied in the direction of moving filter element filter, filtration separation, separation process, etc., can solve the problems of troublesome installation operation, limited overall dimensions of elements of known type, and complex installation operations

Inactive Publication Date: 2013-05-02
OFFICINE MACCAFERRI SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a mattress with a three-dimensional internal structure that uses a reinforcement element to increase its resistance to traction. Additionally, granular filler material is inserted inside the mattress to help filter and maintain the thickness of the three-dimensional geosynthetic, even under heavy loads. The technical effects of this patent include improved durability and comfort for the user, as well as improved filtering performance for the mattress.

Problems solved by technology

One of the main limitations of the elements of known type is constituted by their great thickness and their heaviness, which make the installation operations extremely complex and troublesome.
Another limitation of the elements of known type is constituted by their limited overall dimensions, which are linked to the dimensions of the gabions and / or the forms which are used for constructing them.

Method used

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  • Lightweight protection element and filter of the mattress type
  • Lightweight protection element and filter of the mattress type

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Embodiment Construction

[0014]With reference now to the Figures, a lightweight protection element and filter of the mattress type according to the present invention comprises an external containment structure. The external containment structure comprises a lower portion, for example, a bottom sheet 10, and an upper portion, for example, a cover sheet 20. Both the sheets 10 and 20 can be constructed from synthetic material, preferably geosynthetic material, for example, woven geotextiles or woven geogrilles, geomembranes, geonets. Alternatively, the sheets 10 and 20 can be constructed from natural material, preferably a biomat and / or a biodegradable bionet, for example, of straw, coconut fibre or wood shavings, and generally natural fibres.

[0015]Preferably, a reinforcement element 48, for example, a metal net and / or a geogrille, can be engaged with the bottom sheet 10 so as to increase the resistance to traction of the whole mattress.

[0016]Between the lower portion 10 and the upper portion 20, there is arra...

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PUM

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Abstract

A lightweight protection element and filter of the mattress type comprises an external containment structure (10, 20), a three-dimensional internal structure (30) with a high cavity index and a granular filler material which is inserted inside the containment structure. Engagement means (50, 52) of the mechanical type are distributed over the external containment structure in order to engage predetermined portions of those structure with each other.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of prior U.S. application Ser. No. 13 / 471 849, which was filed on May 15, 2012, which is a continuation of U.S. application Ser. No. 12 / 928 921, which was filed on Dec. 22, 2010, which is a continuation of prior U.S. application Ser. No. 11 / 921 068, filed Nov. 26, 2007, now abandoned, which was the National Stage of International Application No. PCT / IB2006 / 001467, filed May 24, 2006.FIELD OF THE INVENTION[0002]The present invention relates to a lightweight protection element and filter of the mattress type, and in particular, though in a non-limiting manner, to a ballasted filtering mattress for protecting and covering terrain, more preferably a seabed.BACKGROUND OF THE INVENTION[0003]It is known from various documents, also including some from the same Applicant, to use flexible protection elements of parallelepipedal form in order to immobilize and protect, for example, underwater pipes, canal banks an...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E02B3/12E02D31/06
CPCE02B3/127E02B3/12Y10T428/234B01D35/02B32B7/08E02D31/06
Inventor FERRAIOLO, FRANCESCO
Owner OFFICINE MACCAFERRI SPA
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