Method to make arms in a composite material for the distribution of concrete and arm thus obtained

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United States of America Patent

PATENT NO 9352515
APP PUB NO 20130333829A1
SERIAL NO

14000528

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Abstract

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Method to make an arm in a composite material for articulated or telescopic modular structures for the distribution of concrete, which comprises a first step in which one or more layers of fiber (16, 25) are distributed on the external surface (17) of a male-type mold (11) having a cross section defined by at least a substantially flat wall. The section of the male mold (11) reduces, in at least one of its sizes, passing from one of its ends to the other. The fibers (16) may or may not be pre-impregnated with a resinous matrix. The method also comprises a second step in which the male mold (11) is ejected from the product thus obtained, a possible heat treatment being provided, for example in autoclave, before the extraction of the product.

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Patent Owner(s)

Patent OwnerAddress
CIFA SPA20030 SENAGO (MI)

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maini, Paolo Dario Monza, IT 20 55
Pirri, Nicola Milan, IT 17 115

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