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Sumitomo's Richard Smallwood testifies against proposed auto parts tariffs
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WASHINGTON—Imposing tariffs on imported auto parts would harm rather than help the U.S. auto industry and American consumers, according to Richard Smallwood, CEO and president of Sumitomo...
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WASHINGTON—Imposing tariffs on imported auto parts would harm rather than help the U.S. auto industry and American consumers, according to Richard Smallwood, CEO and president of Sumitomo Rubber North America. WASHINGTON—Imposing tariffs on imported auto parts would harm rather than help the U.S. auto industry and American consumers, according to Richard Smallwood, CEO and president of Sumitomo Rubber North America. $WASHINGTON—Imposing tariffs on imported auto parts would harm rather than help the U.S. auto industry and American consumers, according to Richard Smallwood, CEO and president of Sumitomo Rubber North America.
USTMA ambassadors showcase industry in D.C.
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WASHINGTON—Anthony Jackson, a technical leader at the Goodyear plant in Fayetteville, N.C., was hard at work one day recently when he received a call to go to the manufacturing director's...
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WASHINGTON—Twelve tire industry production line and middle management workers were chosen from the member companies of the U.S. Tire Manufacturers Association to represent the industry in meetings in Washington. WASHINGTON—Twelve tire industry production line and middle management workers were chosen from the member companies of the U.S. Tire Manufacturers Association to represent the industry in meetings in Washington. $WASHINGTON—Twelve tire industry production line and middle management workers were chosen from the member companies of the U.S. Tire Manufacturers Association to represent the industry in meetings in Washington.
Auto industry to tell Commerce Department to ditch tariff proposal
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WASHINGTON—A wide spectrum of auto interests, armed with the latest impact studies, will warn at a Commerce Department hearing July 19 that raising auto tariffs would severely harm the...
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WASHINGTON—A wide spectrum of auto interests, armed with the latest impact studies, warned at a Commerce Department hearing July 19 that raising auto tariffs would severely harm the industry and consumers. WASHINGTON—A wide spectrum of auto interests, armed with the latest impact studies, warned at a Commerce Department hearing July 19 that raising auto tariffs would severely harm the industry and consumers. $WASHINGTON—A wide spectrum of auto interests, armed with the latest impact studies, warned at a Commerce Department hearing July 19 that raising auto tariffs would severely harm the industry and consumers.
No one injured at Emerald plant following blast, fire
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AKRON—Those living and working within a half-mile radius of Emerald Performance Materials' Akron plant were evacuated shortly after 1 p.m. July 18 in response to an explosion and subsequent...
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AKRON—Those living and working within a half-mile radius of Emerald Performance Materials' Akron plant were evacuated shortly after 1 p.m. July 18 in response to an explosion and subsequent blaze that filled the air with thick plumes of smoke. AKRON—Those living and working within a half-mile radius of Emerald Performance Materials' Akron plant were evacuated shortly after 1 p.m. July 18 in response to an explosion and subsequent blaze that filled the air with thick plumes of smoke. $AKRON—Those living and working within a half-mile radius of Emerald Performance Materials' Akron plant were evacuated shortly after 1 p.m. July 18 in response to an explosion and subsequent blaze that filled the air with thick plumes of smoke.
Bridgestone to invest $12 million in Illinois tire plant
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BLOOMINGTON, Ill.—Bridgestone Americas Inc. is investing $12 million to expand off-the-road tire production at its plant in Bloomington, adding multiple sizes and patterns for 29-, 33- and...
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BLOOMINGTON, Ill.—Bridgestone Americas is investing $12 million to expand off-the-road tire production at its plant in Bloomington, adding multiple sizes and patterns for 29-, 33- and 35-inch OTR tires. BLOOMINGTON, Ill.—Bridgestone Americas is investing $12 million to expand off-the-road tire production at its plant in Bloomington, adding multiple sizes and patterns for 29-, 33- and 35-inch OTR tires. $BLOOMINGTON, Ill.—Bridgestone Americas is investing $12 million to expand off-the-road tire production at its plant in Bloomington, adding multiple sizes and patterns for 29-, 33- and 35-inch OTR tires.
Conti to revamp as holding company; eyes IPO for powertrain business
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HANOVER, Germany—Continental A.G. is planning to reorganize by 2020 into a holding company with three business sectors—rubber, automotive and powertrain—with the powertrain...
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HANOVER, Germany—Continental is planning to reorganize by 2020 into a holding company with three business sectors—rubber, automotive and powertrain—with the powertrain business being set up as an independent, publicly held company. HANOVER, Germany—Continental is planning to reorganize by 2020 into a holding company with three business sectors—rubber, automotive and powertrain—with the powertrain business being set up as an independent, publicly held company. $HANOVER, Germany—Continental is planning to reorganize by 2020 into a holding company with three business sectors—rubber, automotive and powertrain—with the powertrain business being set up as an independent, publicly held company.
Jason adds to hose program's support team
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MARCO ISLAND, Fla.—Jason Industrial Inc. said it is having success thus far with the hydraulic hose program it introduced in mid-2017, especially because it has beefed up its technical...
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MARCO ISLAND, Fla.—Jason Industrial said it is having success thus far with the hydraulic hose program it introduced in mid-2017, especially because it has beefed up its technical support team. MARCO ISLAND, Fla.—Jason Industrial said it is having success thus far with the hydraulic hose program it introduced in mid-2017, especially because it has beefed up its technical support team. $MARCO ISLAND, Fla.—Jason Industrial said it is having success thus far with the hydraulic hose program it introduced in mid-2017, especially because it has beefed up its technical support team.
Self-driving bill critics oppose maneuver to clear Senate
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WASHINGTON—Safety and consumer advocates are urging senators to reject a parliamentary maneuver to secure passage for stalled legislation governing self-driving cars by attaching it to a...
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WASHINGTON—Safety and consumer advocates are urging senators to reject a parliamentary maneuver to secure passage for stalled legislation governing self-driving cars by attaching it to a must-pass reauthorization for the Federal Aviation Administration. WASHINGTON—Safety and consumer advocates are urging senators to reject a parliamentary maneuver to secure passage for stalled legislation governing self-driving cars by attaching it to a must-pass reauthorization for the Federal Aviation Administration. $WASHINGTON—Safety and consumer advocates are urging senators to reject a parliamentary maneuver to secure passage for stalled legislation governing self-driving cars by attaching it to a must-pass reauthorization for the Federal Aviation Administration.
SUVs, CUVs may be curtailing growth of OE V-, Z-rated tires
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AKRON—The share of the U.S. original equipment and replacement tire markets held by high-performance tires—defined as H-rated and higher—has risen for eight straight years,...
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AKRON—The share of the U.S. original equipment and replacement tire markets held by high-performance tires has risen for eight straight years, according to U.S. Tire Manufacturers Association data, but growth for two classifications seems to be stalled. AKRON—The share of the U.S. original equipment and replacement tire markets held by high-performance tires has risen for eight straight years, according to U.S. Tire Manufacturers Association data, but growth for two classifications seems to be stalled. $AKRON—The share of the U.S. original equipment and replacement tire markets held by high-performance tires has risen for eight straight years, according to U.S. Tire Manufacturers Association data, but growth for two classifications seems to be stalled.
HS continues growth in North America
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DETROIT—Hwaseung R&A Co. Ltd. has come a long way since it first established operations in North America.The firm said it's doubled its automotive revenue since 2013, thanks largely to...
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DETROIT—Hwaseung R&A has come a long way since it first established operations in North America. DETROIT—Hwaseung R&A has come a long way since it first established operations in North America. $DETROIT—Hwaseung R&A has come a long way since it first established operations in North America.
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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