I-profile preform and an I-profile manufacturing method

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United States of America Patent

PATENT NO 12054946
APP PUB NO 20230003023A1
SERIAL NO

17778246

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The object of the invention is an 1-profile preform which comprises an outer wall (1) of the first flange and two inner walls (2) of the first flange arranged with respect to the outer wall (1) of the first flange, a first web wall (3) and a second web wall (4) being arranged in a plane parallel with respect to the first web wall (3), an outer wall (5) of the second flange, and two inner walls (6) of the second flange arranged with respect to the outer wall (5) of the second flange, wherein the corresponding walls (1, 2, 3, 4, 5, 6) are arranged with respect to each other while retaining a gap forming a closed empty inner space of an 1-profile preform, and wherein a valve element (7) is arranged on at least one wall (1, 2, 3, 4, 5, 6). The object of the invention is also an 1-profile manufacturing method with the use of an 1-profile preform.

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Patent Owner(s)

Patent OwnerAddress
INSTYTUT FORMY SP Z O OSTANISLAWA MONIUSZKI 29/2 WROCLAW 51-610

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Zieta, Oskar Wroclaw, PL 5 8

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