Retread Tires in the US and Canada
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Blowout Resistant Tire Study for Commercial Highway Vehicles
Final Technical Report for Task Order No. 4 (DTRS57-97-C-00051) Blowout Resistant Tire Study for Commercial Highway Vehicles Z. Bareket D. F. Blower C. MacAdam The University of Michigan Transportation Research Institute August 31,2000 Technical Report Documen~tationPage Table of Contents 1. Overview ..................... ..........................................................................................1 2 . Crash Data Analysis of Truck Tire Blowouts ........................................ 3 Truck tire blowouts in FARS (Fatality Analysis Reporting System) and TIFA (Trucks Involved in Fatal Accidents) ........................................................................................3 Truck tire blowouts in GES .........................................................................................8 Fatalities and injuries in truck tire blowout crashes ..................................................10 State data analysis ....................................................................................................10 Crashes related to truck tire debris ...........................................................................12 3 . Information Review of Truck Tire Blowouts .........................................................15 Literature Review ................. .............................................................................15 Federal Motor Carrier Safety Regulations, Rules and Notices ...................................21 Patent Database Research ....................... .. .......................................................23 -
TPMS Brochure
SEE THE LIGHT? WE CAN HELP. Standard® OE-Matching TPMS Sensors, Mounting Hardware, Service Kits, Shop Tools, and QWIK-SENSOR™ Universal Programmable Sensors ABOUT TIRE PRESSURE MONITORING SYSTEMS The industry’s best blended TPMS program with 99% coverage. 2 Universal Sensors cover PAL, WAL, and Auto-Locate technologies. Our OE-Match sensors An Important Safety Warning Light Goes Unnoticed are direct-fit and ready-to-install right out of the During the past 10 years, more than 147 million vehicles were sold with Tire Pressure Monitoring System (TPMS). That means there box. And both programs are the only 3rd-party are more than 590 million sensors with a 100% failure rate that will need to be replaced in the future. TPMS is a safety device that tested TPMS in the industry. measures, identifies and warns motorists when one or more of their tires are significantly under-inflated. If the system finds a tire with low air pressure, a sensor with a dead battery, or a system malfunction, it will illuminate the TPMS warning light on the dash. While this is common knowledge to technicians, it isn’t as well-known among motorists, as evidenced by the results from a recent survey on TPMS: TPMS PROGRAM HIGHLIGHTS 96% 25% • Basic manufacturer in TPMS category Drivers who consider Vehicles that have at under-inflated tires an least one tire significantly - All makes & models – domestic and import covered important safety concern underinflated • Our OE-Matching and QWIK-SENSOR™ Universal Programs cover 99% of the vehicles you will service in your shop today -
Traction of an Aircraft Tire on Grooved and Porous Asphaltic Concrete
Transportation Research Record 1000 15 Traction of an Aircraft Tire on Grooved and Porous Asphaltic Concrete SATISH K. AGRAWAL and HECTOR DAJUTOLO ABSTRACT however, their cost-effectiveness has been demon strated by the Federal Aviation Administration (FAA) in the portland cement concrete (PCC) surface by The Federal Aviation Administration is en full-scale tire tests under controlled dynamic con gaged in an experimental program to deter ditions (1). Because BO percent of all the runways mine the effectiveness of various surface in the united States are of asphaltic concrete con treatments to eliminate aircraft hydroplan struction, it is important to evaluate the effec ing when landing on wet runways. The surface tiveness of these experimental grooves cut in treatments included saw-cut grooves, reflex asphaltic concrete. It is also necessary to deter percussive grooves, and porous friction mine the relative braking performance of an aircraft overlays in the asphaltic concrete runways. tire, under controlled dynamic conditions, on saw Experiments were conducted on a 1.25-mile cut grooves cut in the asphaltic concrete surface, long track that included a 300-ft test bed particularly in the absence of any such investiga containing concrete with 40-ft sections of tion in the past. Full-scale aircraft tests have various surface treatments. Test speeds be been conducted on asphaltic concrete surfaces by the tween 70 and 150 knots were achieved by the National Aeronautics and Space Administration use of a jet-powered pusher car that also (NASA) i however, groove-spacing was not a variable supported a dynamometer and tire-wheel as in that study. -
Tire Maintenance Manual
TIRE MAINTENANCE MANUAL To The Owner/Operator Off-the-road tires are expensive pieces of equipment They are engineered and built with massive strength to support today’s equipment. This equipment is carrying ever increasing heavier loads at higher speeds and over longer dis- tances than ever before. Years of research and development have resulted in tires that can offer long service lives under these conditions. High strength carcasses have been developed to offer more load carrying capacity. New, tougher, higher quality components have improved durability. Improved rubber technology has helped to improve carcass durability, tread wear and hazard resistance ability. Still, there is a limit to the abuse and punishment any tire will take. Too many end up on a scrap pile because operators ignore common sense driving and operational practices. Others go out of service prematurely because they were not properly maintained. This manual, based on long term, extensive OTR field experience and practice, is designed to provide the information needed to help achieve maximum service life for both the end user and the equipment manufacturer. If followed, these recommendations will also help lower ton mile or tonne kilometer costs, improve equipment productivity and promote operating profits. This Booklet AppliesTo EarthmoverTires And Their Applications Only. It Does Not ApplyTo OtherTire Lines And Applications 1 CONTENTS Section I - Maintenance and Operations Construction Features .................................................................................... -
Safety Warnings and Maintenance Information
SAFETY WARNINGS AND MAINTENANCE INFORMATION IMPORTANT SAFETY AND MAINTENANCE INFORMATION The tire industry has long recognized the consumer's role in the regular care and maintenance of their tires. When a tire is replaced is a decision for which the owner of the tire is responsible. The consumer should consider factors to include chronological age, service conditions, maintenance history, storage conditions, visual inspections, and dynamic performance. The consumer should consult a tire service professional with any questions about tire service life. The following information and recommendations are made to aid in assessing the point of maximum service life The Chronological Age of the Tires The chronological age of any tire can be found on the tire sidewall by examining the characters following the symbol "DOT" For tires manufactured after the year 1999, the last four numbers identify the date of manufacture of the tire to the nearest week. The first two of these four numbers identify the week of manufacture (which range from "01" to "52"). The last two numbers identify the year of manufacture (e.g., a tire with the information "DOT XXXXXX0100" was manufactured in the 1 st week of 2000). For tires manufactured prior to the year 2000, three numbers instead of four indicate the date of manufacture. Also, during the early 1990's, CTNA added a triangle ◄))) to the end of the character string to distinguish a tire built in the 1990's from previous decades (e.g., a tire with the information "DOT XXXXXX274 ◄ was manufactured in the 27th week of 1994). THE CHRONOLOGICAL AGE OF THE TIRES Tires are designed and built to provide many thousands of miles of excellent service. -
The World's Most Beautiful And... Best Performing Custom Designed Tires
WelcomeWelcome ToTo TheThe World’sWorld’s MostMost BeautifulBeautiful and...and... BestBest PerformingPerforming CustomCustom DesignedDesigned TiresTires Bill Chapman Founder Diamond Back Classics I know what you are thinking! The tires on Bill’s Corvette are not correct. It’s not a show car-it is for my enjoyment. That’s the beauty of Diamond Back-you can get what’s period correct or you can get what you like. Custom whitewalls are not a problem. I offer many correct styles for the 60’s and 70’s cars or if you want something special, just let us know. My 2009 catalog features 16 product lines from 13” to 22” and anything in between. That’s more product than all the competitor’s combined. I’m also introducing two new top end product lines-the Diamond Back MX and the Diamond Back III. Both are built in North America by Michelin, the world’s most recognized tire manufacturer. If you’re going to spend over $200 per tire why not get the very best? Prices on the rest of my products will have a small increase and some will remain unchanged. Check out my warranty. It is the most solid, easy to understand warranty in the industry. My new extended warranty for $4.75 per tire is a smart move to protect your investment. As the year of the Great Recession begins, my goal remains unchanged-build the best looking, best performing product at a fair price. Thanks for all of your support! Confused and concerned about using radial tires on older rims? Get the facts .. -
Estimation of Tire-Road Friction for Road Vehicles: a Time Delay Neural Network Approach
Journal of the Brazilian Society of Mechanical Sciences and Engineering manuscript No. (will be inserted by the editor) Estimation of Tire-Road Friction for Road Vehicles: a Time Delay Neural Network Approach Alexandre M. Ribeiro · Alexandra Moutinho · Andr´eR. Fioravanti · Ely C. de Paiva Received: date / Accepted: date Abstract The performance of vehicle active safety sys- different road surfaces and driving maneuvers to verify tems is dependent on the friction force arising from the effectiveness of the proposed estimation method. the contact of tires and the road surface. Therefore, an The results are compared with a classical approach, a adequate knowledge of the tire-road friction coefficient model-based method modeled as a nonlinear regression. is of great importance to achieve a good performance Keywords Road friction estimation Artificial neural of different vehicle control systems. This paper deals · networks Recursive least squares Vehicle safety with the tire-road friction coefficient estimation prob- · · · Road vehicles lem through the knowledge of lateral tire force. A time delay neural network (TDNN) is adopted for the pro- posed estimation design. The TDNN aims at detecting 1 Introduction road friction coefficient under lateral force excitations avoiding the use of standard mathematical tire models, One of the primary challenges of vehicle control is that which may provide a more efficient method with robust the source of force generation is strongly limited by the results. Moreover, the approach is able to estimate the available friction between the tire tread elements and road friction at each wheel independently, instead of the road. In order to better understand vehicle handling using lumped axle models simplifications. -
Comments of the Rubber Manufacturers Association On
Comments of the Rubber Manufacturers Association on Advance Notice of Proposed Rulemaking on Tire Sidewall Labeling Requirements National Highway Traffic Safety Administration U. S. Department of Transportation Docket No. NHTSA-00-6296-// 30 January, 2001 Staff Contact Steven Butcher, Vice President Technical and Standards Rubber Manufacturers Association 1400 K Street, N.W. Washington, D.C. 20005 I. Introduction The Rubber Manufacturers Association (“RMA”) is a national trade association representing the domestic tire and rubber products manufacturing industry. RMA’s tire industry members include every major U.S. tire manufacturer: Bridgestone/Firestone, Inc., Continental Tire North America Inc., Cooper Tire & Rubber Company, Goodyear Tire & Rubber Company, Michelin North America, Pirelli Tire North America, and Yokohama Tire Corporation. There are over 1 billion tires in use on our nation’s highways and these manufacturers produce approximately 90 percent of them. They operate 40 manufacturing facilities and employ almost 160,000 people in . this country. Tire design and production involves sophisticated engineering in product design, testing, manufacturing, and analysis. Designing and building today’s complex tires is no simple task. Producing a tire involves a combination of chemistry, physics, and engineering plus more than 200 raw materials including natural and synthetic rubbers, metals, fabrics, oils, pigments, and other chemicals. RMA is pleased to provide NHTSA with these comments regarding Docket No. NHTSA-OO- 8296, which, among other issues, specifically addressesthe information that tire manufacturers should be required to place on tire sidewall& Our comments addresstire labeling issues for passengercar tires and light truck tires (through load range E, or load index 124), plus motorcycle tires and recreational, boat, baggage, and special trailer tires. -
Chapter Trans 305
Published under s. 35.93, Wis. Stats., by the Legislative Reference Bureau. 401 DEPARTMENT OF TRANSPORTATION Trans 305.02 Chapter Trans 305 STANDARDS FOR VEHICLE EQUIPMENT Subchapter I — General Provisions Trans 305.29 Steering and suspension. Trans 305.01 Purpose and scope. Trans 305.30 Tires and rims. Trans 305.02 Applicability. Trans 305.31 Modifications affecting height of a vehicle. Trans 305.03 Enforcement. Trans 305.32 Vent, side and rear windows. Trans 305.04 Penalty. Trans 305.33 Windshield defroster−defogger. Trans 305.05 Definitions. Trans 305.34 Windshields. Trans 305.06 Identification of vehicles. Trans 305.35 Windshield wipers. Trans 305.065 Homemade, replica, street modified, reconstructed and off−road vehicles. Subchapter III — Motorcycles Trans 305.37 Applicability of subch. II. Subchapter II — Automobiles, Motor Homes and Light Trucks Trans 305.38 Brakes. Trans 305.07 Definitions. Trans 305.39 Exhaust system. Trans 305.075 Auxiliary lamps. Trans 305.40 Fenders and bumpers. Trans 305.08 Back−up lamp. Trans 305.41 Fuel system. Trans 305.09 Direction signal lamps. Trans 305.42 Horn. Trans 305.10 Hazard warning lamps. Trans 305.43 Lighting. Trans 305.11 Headlamps. Trans 305.44 Mirrors. Trans 305.12 Parking lamps. Trans 305.45 Sidecars. Trans 305.13 Registration plate lamp. Trans 305.46 Suspension system. Trans 305.14 Side marker lamps, clearance lamps and reflectors. Trans 305.47 Tires, wheels and rims. Trans 305.15 Stop lamps. Trans 305.16 Tail lamps. Subchapter IV — Heavy Trucks, Trailers and Semitrailers Trans 305.17 Brakes. Trans 305.48 Definitions. Trans 305.18 Bumpers. -
Development of a Steer Axle Tire Blowout Model For
DEVELOPMENT OF A STEER AXLE TIRE BLOWOUT MODEL FOR TRACTOR SEMITRAILERS IN TRUCKSIM THESIS Presented in Partial Fulfillment of the Requirements for the Degree Master of Science in the Graduate School of The Ohio State University By Krishnan Veeraraghavan Chakravarthy Graduate Program in Mechanical Engineering The Ohio State University 2013 Master's Examination Committee: Dr. Dennis A. Guenther, Advisor Dr. Gary Heydinger Copyright by Krishnan Chakravarthy Veeraraghavan 2013 ABSTRACT Tractor Semitrailer handling is one of the key issues in today’s highway traffic safety research. When accidents happen with tractor semitrailers, possibilities of multiple vehicle crashes are always high. Thus it is important to study the handling and control of tractor trailers in accident scenarios. Tire blowout is one of the most common types of failure which may cause vehicle crashes. With experimental testing for such studies being expensive, vehicle dynamic simulation goes a long way in supplementing the capabilities of real field testing. The primary goal of this thesis is to develop a tire blowout model for a tractor semitrailer in TruckSim¬¬TM. Experimental data from a left steer axle tire blowout of a tractor trailer is considered for modeling. The effect of tire blowout on vehicle dynamic aspects of the tire like rolling resistance, effective rolling radius, vertical stiffness and other tire forces are studied. The tractor semitrailer model is developed from previously conducted braking simulation models in TruckSim. From the experimental data, the behavior of the tractor trailer and the left steer axle tire are studied. A tire blowout model for the left steer axle of the tractor is created within TruckSim for simulation. -
School Bus Tires Item and Method of Inspection Point
SCHOOL BUS TIRES ITEM AND METHOD OF INSPECTION POINT VALUE AND REQUIREMENT DESCRIPTION (#) DESIGNATES POINTS TO BE DEDUCTED STANDARDS OF SAFETY AND REPAIR I. Tires: Visual Inspection of A. Front Tires (25)A.1. Recapped tires shall not 1. Recapped be used on front axle. 2. Tread Depth (Use a tread (25) 2. Front tire tread depth depth gauge) shall not be less than 4/32 inch in any two adja- a. See illustration tire cent major tread grooves wear measurement inform- at three equally spaced ation. Appendix A. intervals around the circumference of the tire. 3. Regrooved (25) 3. Any tire re-grooved or Re-cut below original groove depth when extra under-tread rubber was not provided for this purpose, or the tire is not marked "regroovable." 4. Condition = Visual (25) 4. a. Tire has unrepaired fabric defects of items a thru d break or was repaired by shall be cause for further use of a boot or blowout inspection of tire. patch. b. Tire has a bump, bulge, knot or separation. c. Tire has exposed or damaged body cords. 5. Size and Construction (25) 5. a. All tires on an axle a. Tires of a different must be of the same size size may be used, but and construction type not on the same axle. (bias ply or radial construction) tires must conform to the chassis manufacturer's gross vehicle weight rating. b. Tires of a different b. All tires on a bus must be size may not be used on of the same size and load bus after 12/31/94. -
Aircraft Tire Data
Aircraft tire Engineering Data Introduction Michelin manufactures a wide variety of sizes and types of tires to the exacting standards of the aircraft industry. The information included in this Data Book has been put together as an engineering and technical reference to support the users of Michelin tires. The data is, to the best of our knowledge, accurate and complete at the time of publication. To be as useful a reference tool as possible, we have chosen to include data on as many industry tire sizes as possible. Particular sizes may not be currently available from Michelin. It is advised that all critical data be verified with your Michelin representative prior to making final tire selections. The data contained herein should be used in conjunction with the various standards ; T&RA1, ETRTO2, MIL-PRF- 50413, AIR 8505 - A4 or with the airframer specifications or military design drawings. For those instances where a contradiction exists between T&RA and ETRTO, the T&RA standard has been referenced. In some cases, a tire is used for both civil and military applications. In most cases they follow the same standard. Where they do not, data for both tires are listed and identified. The aircraft application information provided in the tables is based on the most current information supplied by airframe manufacturers and/or contained in published documents. It is intended for use as general reference only. Your requirements may vary depending on the actual configuration of your aircraft. Accordingly, inquiries regarding specific models of aircraft should be directed to the applicable airframe manufacturer.