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Datwyler opens Delaware plant
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MIDDLETOWN, Del.—The sealing unit of Datwyler Holding A.G. celebrated the grand opening of its new medical manufacturing plant in Middletown. The site represents a $100 million investment,...
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MIDDLETOWN, Del.—The sealing unit of Datwyler Holding celebrated the grand opening of its new medical manufacturing plant in Middletown. MIDDLETOWN, Del.—The sealing unit of Datwyler Holding celebrated the grand opening of its new medical manufacturing plant in Middletown. $MIDDLETOWN, Del.—The sealing unit of Datwyler Holding celebrated the grand opening of its new medical manufacturing plant in Middletown.
Yokohama to combine R&D efforts into new center
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CORNELIUS, N.C.—Yokohama Tire Corp. has opened a new research and development facility in Cornelius, designed to bring together its R&D efforts into one location.Yokohama Development...
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CORNELIUS, N.C.—Yokohama has opened a new research and development facility in Cornelius, designed to bring together its research and development efforts into one location. CORNELIUS, N.C.—Yokohama has opened a new research and development facility in Cornelius, designed to bring together its research and development efforts into one location. $CORNELIUS, N.C.—Yokohama has opened a new research and development facility in Cornelius, designed to bring together its research and development efforts into one location.
Photos: Goodyear tires drive NASCAR tradition
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AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of ...
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AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of the 4,000-plus racing tires. AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of the 4,000-plus racing tires. $AKRON—The first thing you sense while you tour the Goodyear Innovation Center Manufacturing facility in Akron is the enormous amount of pride, workmanship and know-how that goes into each of the 4,000-plus racing tires.
Electrification shaking up rubber auto parts sector
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Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and...
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Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and technology. Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and technology. $Electrification is shaking up the automotive parts supply-chain: forcing rubber product companies to add new capabilities to their established areas of expertise in materials science and technology.
Evonik opens tire silicas plant in South Carolina
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GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry.The $120 million investment comes in...
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GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry. GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry. $GOOSE CREEK, S.C.—Evonik Industries has inaugurated a precipitated silica plant in South Carolina, aimed at better serving the U.S. tire industry.
Long development journey pays off for Tweel, Michelin
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AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the ...
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AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the tire maker's easily recognizable product that combines a non-pneumatic tire with a polyurethane spoked wheel. AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the tire maker's easily recognizable product that combines a non-pneumatic tire with a polyurethane spoked wheel. $AKRON—For the record, Michelin's Steve Cron isn't a big fan of the name given to the product that has defined much of his 30-year career in the tire industry. That product is the Tweel, the tire maker's easily recognizable product that combines a non-pneumatic tire with a polyurethane spoked wheel.
Old Dana taps the fountain of youth
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MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future. Dana Inc. has made two key...
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MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future. MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future. $MAUMEE, Ohio—With little fanfare this year, one of the global auto industry's oldest suppliers began repositioning itself for a business of the future.
Kent Elastomer to expand headquarters
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KENT, Ohio—Kent Elastomer Products Inc. is expanding its headquarters to accommodate its growing work force.The firm broke ground on an extension to the office area of its Kent facility,...
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KENT, Ohio—Kent Elastomer Products is expanding its headquarters to accommodate its growing work force. KENT, Ohio—Kent Elastomer Products is expanding its headquarters to accommodate its growing work force. $KENT, Ohio—Kent Elastomer Products is expanding its headquarters to accommodate its growing work force.
Private equity firm KKR set to acquire Minnesota Rubber & Plastics
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MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion L.L.C., which does business as Minnesota Rubber & Plastics, to global investment firm KKR & Co. L.P. Terms of the...
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MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion, which does business as Minnesota Rubber & Plastics, to global investment firm KKR. MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion, which does business as Minnesota Rubber & Plastics, to global investment firm KKR. $ MINNEAPOLIS—Norwest Equity Partners has agreed to sell Quadion, which does business as Minnesota Rubber & Plastics, to global investment firm KKR.
Video: Miller calls Louisville Rubber Division meeting a success LOUISVILLE, Ky.—This week's ACS Rubber Division's International Elastomer Conference has been a success on all levels, according to Executive Director Ed Miller. LOUISVILLE, Ky.—This week's ACS Rubber Division's International Elastomer Conference has been a success on all levels, according to Executive Director Ed Miller. $LOUISVILLE, Ky.—This week's ACS Rubber Division's International Elastomer Conference has been a success on all levels, according to Executive Director Ed Miller.
Digital Edition
Digital Edition
Published on September 9, 2014

ITEC 2014 Paper 20: Practical Insights on State-of-the-Art Hunter & Shoeshine Pre-validation Fatigue Test Methods for Tire Reinforcement Materials

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Date Published September 9, 2014
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Major improvements on steel or fibre cord & fabrics are required to answer the challenging improvements on tire rolling resistance, performance and manufacturing cost. Because of short time-to-market but also because of the high cost of testing on final tyres, there is a big advantage in being able to test the combination of the rubber and its re-enforcement early in the design process.                                                                                                                                                                                                                                                                                              Instead of validating the improvements in combination with the rubber just on static tension & peel strength, it is today important to test new materials in conditions that are close to real usage at the lower stresses and high cycling of real usage. Otherwise possibly the optimising method followed could exclude the solutions that are really needed, since in many cases materials & adhesion with high static strength are not performing as well on fatigue in the final application.                                                                                                                    The "bend-over-sheave" or "Shoeshine" test method on single and dual layer reinforced rubber samples is helping the tire designer to validate in an early stage the new materials on dynamic stress-compression under bending in similar conditions as the assumptions of the tire design. Because of the high increase in performance of the reinforcement, the dynamic adhesion of the reinforcement with the rubber is a big issue in this industry. This can also be tested efficiently on dual layer samples, whereby the first degradation generally happens in the lower compression layer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           Especially for the quality assurance of steel wire & cord, the additional "bend-rotation" high speed alternate bending method should be seriously considered. By this method typical failures like surface defects, inclusions & metallurgical deviations are detected while they are not affecting the classical static tensile test results.                                                                                                                                                                                                                                                                                                                                                                                                                    Examples will be shown about these tests and about what results can be expected: validation on single & reverse fatigue bending, dynamic cord tension-compression, dynamic adhesion with the rubber, early warning stop to be able to observe the reason of the start of the degradation, comparison of constructions on sample heat generation.  Presented by Philippe van Bogaert, Founder, Bogimac.

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