Polymers in Sport and Leisure

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References and Abstracts RUSTY SURFBOARDS; SURF TECHNOLOGIES; FUR CAT SURFBOARDS USA Accession no.699933 Item 171 Injection Molding 6, No.10, Oct. 1998, p.96-7 SPORTS AND RECREATION Sloan J The US sports and recreational market is examined in terms of the opportunities for injection moulders. Statistics are included of sales in the industry, growth rates and forecasts. Market shares by material show that polypropylene leads the way as the material most commonly used to mould products for the sports and recreation market. Trends in the industry include the need for lightweight, to reduce costs, and produce more durable thermoplastic injection moulded parts as replacements for metals. USA Accession no.699870 Item 172 Rubber and Plastics News 28, No.4, 21st Sept.1998, p.28/33 IMPACT OF RUBBER SURFACES INCREASES Moore M The rubber athletic surface market is hard to quantify. However, one thing is certain: business is booming. No industry association issues reports or keeps statistics on production, and very few surfacing manufacturers will divulge their financial or production figures. The companies themselves, and their products and markets, are so different that they are hard to compare, although the technologies fall into several basic categories, including: poured-in-place rubberised pavements, like those produced by No Fault Industries, Mondo America and Surface America; rubber tiles and rolls, such as those manufactured by the Surfacing Products Division of Carlisle Tire & Rubber; soil amendments that bond turf and rubber, made by companies like American Rubber Technologies; rubber artificial turfs, supplied by SafTurf International and DuraTurf, among others; and crumb rubber top dressing for turf protection, such as that made by JaiTire Industries. The markets these companies serve also resist comparison, covering virtually every field of athletic endeavour - running tracks, gymnasiums and fitness facilities, skating and hockey rinks, golf courses, indoor and outdoor athletic fields, children’s playgrounds and polo and equestrian fields. Details are given. USA Accession no.699830 Item 173 Rubber and Plastics News 28, No.4, 21st Sept.1998, p.26-7 SCUBA SALES BUOYED BY AVID DIVERS Wilson E Americans spend a lot of time underwater - keeping scuba diving equipment makers and their rubber materials suppliers in business. US sales of diving-related goods made up an estimated 640 million US dollars industry in 1997, according to Gallup Leisure Trends Group. Equipment accounted for 271 million US dollars of that amount, and more than half of equipment sales are rubberrelated, including wet suits, fins, buoyancy devices and masks, market data show. The primary materials used are polychloroprene and silicone rubbers. While participation in diving is not growing particularly fast, the diving community is seeing the sport’s popularity begin to broaden and can expect that to continue, says Gallup. Viewed another way, more than 14 million US adults - about 8% of the adult population - profess to be active participants in the sport. Some statistics are presented. GALLUP LEISURE TRENDS GROUP USA Accession no.699829 Item 174 Rubber and Plastics News 28, No.4, 21st Sept.1998, p.20-1 TITANIUM: TENNIS BALLS CAN REAP BENEFITS Dawson B Titanium, the ‘metal of the millennium’ that has taken sporting goods manufacturing by storm is now appearing in another product - tennis balls. Already used in golf clubs, tennis rackets and golf balls for improved product durability and power, titanium is being added to the rubber compound mixture of selected new lines of tennis balls for the same reason. The two leaders in the North American tennis ball market, Penn Racquet Sports and Wilson Sporting Goods, are introducing their own titanium balls this autumn. Phoenix-based Penn, which boats more than a 50% market share of tennis balls in North America, began advertising the Penn Championship Titanium this month. The product should reach store shelves by October. Wilson, which has a 40% share of the market, began selling the Wilson Titanium Tennis Ball in early September. Details are given. PENN RACQUET SPORTS; WILSON SPORTING GOODS CO. USA Accession no.699828 Item 175 Rubber and Plastics News 28, No.4, 21st Sept.1998, p.13/35 RUBBER IN SPORTS Davis B On a wholesale basis, sports equipment is the USA in 1997 accounted for 17.1 billion US dollars in sales - not including footwear. By comparison, tyre sales were about 52 © Copyright 2001 Rapra Technology Limited
References and Abstracts 20 billion US dollars. Sales of athletic footwear reached 9.5 billion US dollars, which brings the total value of sports-related ‘hardware’ to almost 30 billion US dollars, according to the US Sporting Goods Manufacturers’ Association. Some statistics are noted. US,SPORTING GOODS MANUFACTURERS’ASSN. USA Accession no.699825 Item 176 Fussboden Zeitung No.9, Oct.1994, p.75-88 German WITH OR WITHOUT GRANULES Bruhn J A market survey of 15 synthetic tennis court materials, made by 5 manufacturers is given. The nature of the polymers used and of the base fabric, is given in each case with the manufacturing process, the weight, the width, the colour, and whether or not granulate is included. KLW AG; DURA; FULDA GMBH; GIRLOON; TARKETT PEGULAN AG EUROPEAN COMMUNITY; EUROPEAN UNION; GERMANY; WESTERN EUROPE Accession no.699758 Item 177 Elastomery 1, No.6, 1997, p.27-36 Polish MATERIAL RECYCLING OF USED TYRES AND RUBBER WASTE Capelle G Hermann Berstorff Maschinenbau GmbH The recycling of used tyres is still of limited industrial importance compared with thermal utilisation and dumping on waste sites. This is probably a result of the limited possibilities for using the recycled products during the original product cycle. Products containing fillers of recycled rubber products are discussed, including insulation materials, flooring for sports grounds and technical rubber articles of high volume for low physical stresses. Rubber pellets and powder produced by the warm grinding process with a large specific surface are shown to represent a product of high value. Latex-coating processes are also considered. EUROPEAN COMMUNITY; EUROPEAN UNION; GERMANY; WESTERN EUROPE Accession no.699078 Item 178 Kunststoffe Plast Europe 88, No.9, Sept.1998, p.35-7,1494-6 German; English WELL PADDED. INJECTION MOULDINGS FROM CROSSLINKED POLYOLEFIN ELASTOMER FOAMS Diegritz W DuPont Dow Elastomers (Deutschland) The use of injection-moulded crosslinked polyolefin thermoplastic elastomer foams in the manufacture of footwear components and of padding and lining of sports items is discussed. The advantages of this material over the traditionally-used EVA are discussed, with emphasis on low weight, high elasticity, long service life and comfort-enhancing damping properties. EUROPEAN COMMUNITY; EUROPEAN UNION; GERMANY; WESTERN EUROPE Accession no.699042 Item 179 Enercomp ’95 International Conference on Composite Materials and Energy. Conference proceedings. Montreal, Canada, 8th-10th May 1995, p.765-72. 627- 63Ene DESIGN, FABRICATION AND STRUCTURAL EVALUATION OF COMPOSITE VEHICLES IN A CLASSROOM ENVIRONMENT O’Toole B J Nevada,University (Canadian Association for Composite Structures & Materials) Composite vehicle design, including bicycles and small motorised vehicles, has been incorporated into several classes at the University of Nevada. Motivation for vehicle design in the courses was partially driven by student interest in regional design competitions. The design, fabrication and evaluation of a complex composite structure is very difficult to complete in the span of about nine months, considering that most students commence with no previous knowledge of composite materials. An interdisciplinary team approach to design and fabrication is required to complete the projects. Three key elements of the teams are an aerodynamics analysis group, an aerodynamic structures group and a frame group. Two different methods are used to fabricate prototype structural members made with plain weave carbon fabrics and room temperature curing epoxy resins. Initial stress analysis using a mechanics of materials approach and one-dimensional finite element analysis is used which does not include some geometry details such as cutouts and inserts. Extra material is added in these areas to account for the rough analysis. Strain is measured experimentally in several places on the structure and compared to the initial stress analysis. More detailed stress analysis is conducted using three-dimensional FEA and the structure is redesigned to reduce its weight. Each year, a new team modifies the previous design and attempts to make improvements on the fabrication process. 10 refs. USA Accession no.698439 © Copyright 2001Rapra Technology Limited 53
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Page 103 and 104: Subject Index A ABRASION, 133 305 A
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