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4-Traders Homepage  >  Equities  >  Tokyo  >  Nippon Sheet Glass Company, Limited    5202   JP3686800008

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Nippon Sheet Glass : Patent Issued for Carbon Fiber Cord for Reinforcing Rubber Product and Rubber Product Using the Same (USPTO 9752649)

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09/14/2017 | 09:14pm CEST

By a News Reporter-Staff News Editor at Journal of Engineering -- A patent by the inventor Katagiri, Shinya (Aichi, JP), filed on January 27, 2014, was published online on September 5, 2017, according to news reporting originating from Alexandria, Virginia, by VerticalNews correspondents.

Patent number 9752649 is assigned to NIPPON SHEET GLASS COMPANY, LIMITED (Tokyo, JP).

The following quote was obtained by the news editors from the background information supplied by the inventors: "A rubber belt or a chain is used for driving a camshaft of an internal combustion engine of an automobile, driving an auxiliary unit such as an injection pump, or transmitting power in an industrial machine. Generally, a rubber belt includes a rubber portion and a reinforcing cord embedded in the rubber portion. Since the strength of the rubber belt depends on the strength of the reinforcing cord, the reinforcing cord is an important component that determines the life of the rubber belt. Such reinforcing cords are conventionally proposed (see, for example, Patent Literature 1).

"Glass fibers have mainly been used as reinforcing fibers for use in cords for reinforcing rubber products. However, with recent developments in science and technology, the cases where glass fibers cannot adequately meet the performance requirements for reinforcing fibers have been increasingly reported. Therefore, as alternatives to glass fibers, various types of reinforcing fibers such as aramid fibers, polyparaphenylene benzobisoxazole fibers, and carbon fibers have been studied. Among these types of fibers, carbon fibers are particularly preferred as reinforcing fibers due to their advantages of high strength and high elastic modulus."

In addition to the background information obtained for this patent, VerticalNews journalists also obtained the inventor's summary information for this patent: "Technical Problem

"However, in recent years, carbon fibers have been expected to have higher bending fatigue resistance to meet the requirements for higher performance of reinforcing cords. In addition, carbon fibers have the disadvantage of being less adhesive to a matrix rubber when they are used as reinforcing fibers. So, one of the objects of the present invention is to provide a carbon fiber cord having both high bending fatigue resistance and high adhesiveness.

"Solution to Problem

"In order to achieve the above object, the present invention provides a carbon fiber cord for reinforcing a rubber product. This carbon fiber cord includes: a carbon fiber; a first coating layer formed on the carbon fiber; and a second coating layer formed over the first coating layer. The first coating layer contains a phenolic resin and does not contain a rubber component. The second coating layer contains a rubber component. The mass ratio of the first coating layer to the total mass of the carbon fiber and the first coating layer is in a range of 0.5% to 10%.

"Advantageous Effects of Invention

"According to the present invention, it is possible to obtain a carbon fiber cord having both high bending fatigue resistance and high adhesiveness."

URL and more information on this patent, see: Katagiri, Shinya. Carbon Fiber Cord for Reinforcing Rubber Product and Rubber Product Using the Same. U.S. Patent Number 9752649, filed January 27, 2014, and published online on September 5, 2017. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=9752649.PN.&OS=PN/9752649RS=PN/9752649

Keywords for this news article include: NIPPON SHEET GLASS COMPANY LIMITED.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2017, NewsRx LLC

(c) 2017 NewsRx LLC, source Science Newsletters

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Financials ( JPY)
Sales 2018 589 B
EBIT 2018 -
Net income 2018 8 840 M
Debt 2018 297 B
Yield 2018 -
P/E ratio 2018 11,55
P/E ratio 2019 7,63
EV / Sales 2018 0,64x
EV / Sales 2019 0,60x
Capitalization 81 367 M
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Average target price 881  JPY
Spread / Average Target -2,1%
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Shigeki Mori President, Chief Executive Officer & Director
Gunter Zorn Chairman
Clemens Miller COO, Director & Executive Vice President
Kenichi Morooka CFO, Director & Representative EVP
Phil Wilkinson Chief Information & Procurement Officer
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