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Titan, USW reach tentative labor deal
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FREEPORT, Ill.—Titan International Inc. and the United Steelworkers union have reached a tentative, five-year labor agreement. The deal covers Local 164 in Des Moines, Iowa; Local 745 in...
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FREEPORT, Ill.—Titan has reached a tentative labor contract with three USW locals. FREEPORT, Ill.—Titan has reached a tentative labor contract with three USW locals. $FREEPORT, Ill.—Titan has reached a tentative labor contract with three USW locals.
Roembke acquires automation company
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OSSIAN, Ind.—Mold maker Roembke Manufacturing & Design Inc. has acquired the assets of Design Facts Inc., an automation company in Fort Wayne, Ind., for an undisclosed price. With the...
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OSSIAN, Ind.—Mold maker Roembke Manufacturing & Design has acquired the assets of Design Facts, an automation company in Fort Wayne, Ind. OSSIAN, Ind.—Mold maker Roembke Manufacturing & Design has acquired the assets of Design Facts, an automation company in Fort Wayne, Ind. $OSSIAN, Ind.—Mold maker Roembke Manufacturing & Design has acquired the assets of Design Facts, an automation company in Fort Wayne, Ind.
Researchers bring 'Thubber' to life
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PITTSBURGH—"Flubber" was just a joke from the Walt Disney Studios. But "thubber," a thermally conductive rubber material for making soft, stretchable machines and electronics, is now a...
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PITTSBURGH—Researchers at Carnegie Mellon University have developed an electrically insulating composite that offers a combination of metal-like thermal conductivity and elasticity capable of stretching more than six times its initial length. PITTSBURGH—Researchers at Carnegie Mellon University have developed an electrically insulating composite that offers a combination of metal-like thermal conductivity and elasticity capable of stretching more than six times its initial length. $PITTSBURGH—Researchers at Carnegie Mellon University have developed an electrically insulating composite that offers a combination of metal-like thermal conductivity and elasticity capable of stretching more than six times its initial length.
Changed vote makes difference in ITC decision
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WASHINGTON—The shift of one vote caused the International Trade Commission to make a final determination that the U.S. truck and bus tire manufacturing industry is not being materially...
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WASHINGTON—The shift of one vote caused the International Trade Commission to make a final determination that the U.S. truck and bus tire manufacturing industry is not being materially injured because of imports from China. WASHINGTON—The shift of one vote caused the International Trade Commission to make a final determination that the U.S. truck and bus tire manufacturing industry is not being materially injured because of imports from China. $WASHINGTON—The shift of one vote caused the International Trade Commission to make a final determination that the U.S. truck and bus tire manufacturing industry is not being materially injured because of imports from China.
Goodyear, Cooper Tire employees honored with STEP Ahead awards
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AKRON—The Manufacturing Institute will honor five women who work for Goodyear and Cooper Tire & Rubber Co. at its upcoming Women in Manufacturing STEP (Science, Technology, Engineering...
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AKRON—The Manufacturing Institute will honor five women who work for Goodyear and Cooper at its upcoming Women in Manufacturing STEP (Science, Technology, Engineering and Production) Ahead Awards. AKRON—The Manufacturing Institute will honor five women who work for Goodyear and Cooper at its upcoming Women in Manufacturing STEP (Science, Technology, Engineering and Production) Ahead Awards. $AKRON—The Manufacturing Institute will honor five women who work for Goodyear and Cooper at its upcoming Women in Manufacturing STEP (Science, Technology, Engineering and Production) Ahead Awards.
James Walker to unveil new elastomer family
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CHESHIRE, England—A sealing products manufacturer from the United Kingdom is ready to release a new family of elastomers it will use in its goods to meet the ever-increasing demands of the...
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CHESHIRE, England—A sealing products manufacturer from the United Kingdom is ready to release a new family of elastomers it will use in its goods to meet the ever-increasing demands of the oil and gas industry. CHESHIRE, England—A sealing products manufacturer from the United Kingdom is ready to release a new family of elastomers it will use in its goods to meet the ever-increasing demands of the oil and gas industry. $CHESHIRE, England—A sealing products manufacturer from the United Kingdom is ready to release a new family of elastomers it will use in its goods to meet the ever-increasing demands of the oil and gas industry.
Oil and gas market looking up, but profits hard to come by
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WASHINGTON—This year will be better than 2016 for the oil and gas industry and the rubber and polymer product manufacturers that supply them, according to industry officials and experts....
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WASHINGTON—This year will be better than 2016 for the oil and gas industry and the rubber and polymer product manufacturers that supply them, according to industry officials and experts. WASHINGTON—This year will be better than 2016 for the oil and gas industry and the rubber and polymer product manufacturers that supply them, according to industry officials and experts. $WASHINGTON—This year will be better than 2016 for the oil and gas industry and the rubber and polymer product manufacturers that supply them, according to industry officials and experts.
China slides to No. 2 tire trading partner
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AKRON—Canada replaced China last year as the No. 1 trading partner of the U.S. in tires. The value of China's imports to the U.S.—impacted primarily by the cut in consumer tire...
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AKRON—Canada replaced China last year as the No. 1 trading partner of the U.S. in tires. AKRON—Canada replaced China last year as the No. 1 trading partner of the U.S. in tires. $AKRON—Canada replaced China last year as the No. 1 trading partner of the U.S. in tires.
ITC antidumping decision brings mixed reactions
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As with any decision regarding imported tires and tariffs and duties, there are winners and losers.That certainly is the case following the surprising Feb. 22 decision by the U.S. International...
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As with any decision regarding imported tires and tariffs and duties, there are winners and losers. As with any decision regarding imported tires and tariffs and duties, there are winners and losers. $As with any decision regarding imported tires and tariffs and duties, there are winners and losers.
Henkel, Benteler making composite leaf springs for Volvo
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DUESSELDORF, Germany—Laundry and personal care products-to-reactive polyurethane systems company, Henkel A.G. and automotive composites firm Benteler S.G.L. are supplying polyurethane...
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DUESSELDORF, Germany—Henkel and Benteler are supplying polyurethane composite leaf springs to the Volvo S90 and V90 following their introduction on the XC90 crossover SUV. DUESSELDORF, Germany—Henkel and Benteler are supplying polyurethane composite leaf springs to the Volvo S90 and V90 following their introduction on the XC90 crossover SUV. $DUESSELDORF, Germany—Henkel and Benteler are supplying polyurethane composite leaf springs to the Volvo S90 and V90 following their introduction on the XC90 crossover SUV.
Digital Edition
Digital Edition
Published on September 22, 2004

Component Interfacial Tearing Appearances

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Date Published September 22, 2004
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This Report has been authored by:Gary Bolden at Standards Testing Laboratories (STL)

The appearance of pattern marks, die lines and liner marks has been and continues to be an issue of contention in the realm of forensic tire analysis.  These conditions have been recognized for many years and there is no dispute whatsoever that they exist.  The differences in opinion center on the question of what these conditions mean in terms of a tire’s structural integrity. Do they reflect some anomaly or defect that occurs somewhere in the manufacturing process, or are they a reflection of some design deficiency that occasionally manifests itself after the tire is placed in service?  Allegations such as these are sometimes used as the basis for liability claims against the tire manufacturer.  On the other hand, could the appearance of these conditions be the result of some abnormal service conditions that contribute to the tire’s demise? 

The research that I will be discussing gives us factual information that we can use as a basis for answering these questions. 

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