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Technological Extinctions of Industrial Firms: An Inquiry into their ...

Technological Extinctions of Industrial Firms: An Inquiry into their ...

Table 6 Tire Product

Table 6 Tire Product Innovations, 1895-1940 Year(s) Tire Design Innovation Firms 1895 Clincher tire (and rim) Innovator not determined 1905 Straight-side tire Firestone/Goodyear 1906 Reversible flange rim Firestone 1910 Cord tire Diamond 1923 Balloon tire Firestone 1927 White sidewall Innovator not determined Tire Cord 1899-1905 Long staple cotton Innovator not determined 1923, 1936 First and second order high-twist cotton Goodyear; Lee-Goodrich 1931 Rayon stretch spinning Rayon Co. 1935 High tenacity rayon duPont 1937 Rayon cord passenger tires Goodrich/Goodyear Synthetic Rubber 1938 N-type synthetic rubber Goodrich/Goodyear 1939 S-type synthetic rubber Goodrich Carbon Black 1905 Gas blacks Diamond 1912 High carbon black treads Goodrich 1922 Furnace blacks Columbian Rubber Chemicals 1906 Organic accelerators Diamond 1912-23 Improved accelerators Goodrich/American Cyanamid 1922 Aldehyde arrives (antioxidant) U.S. Rubber 1924 Ultra accelerators Goodyear 1924 Aromatic arrives (antioxidant) Goodrich/duPont 1926, 1937 Crack resistant antioxidants duPont (partial credit to American Cyanamid and Vanderbilt) 1928-40 Improved accelerators Vanderbilt/Monsanto/U.S. Rubber Source: Warner [1966, pp. 268-270]

Table 7 Estimated Production of Automobile Tire Casings by Types 1910-1933 (Percentages) Construction Rims High Pressure Balloon Straight Year Fabric Cord Cord Clincher Side 1910 100 0 0 98.0 2.0 1911 100 0 0 96.7 3.3 1912 99 1 0 93.0 6.0 1913 98 2 0 91.0 9.0 1914 97 3 0 90.0 10.0 1915 95 5 0 89.0 11.0 1916 92 8 0 87.5 12.5 1917 90 10 0 85.0 15.0 1918 85 15 0 80.0 20.0 1919 75 25 0 75.0 25.0 1920 65 35 0 70.0 30.0 1921 60 40 0 65.0 35.0 1922 51.4 48.6 0 58.8 41.2 1923 42.6 55.4 2.0 61.0 39.0 1924 29.7 58.8 11.5 57.2 42.8 1925 14.1 51.8 34.1 50.8 49.2 1926 5.3 47.2 47.5 40.7 59.3 1927 1.5 44.6 53.9 28.6 71.4 1928 0.6 33.0 66.4 19.6 80.4 1929 0 25.2 74.8 12.7 87.3 1930 0 16.9 83.1 6.3 93.7 1931 0 14.2 85.8 2.0 98.0 1932 0 12.2 87.8 0.5 99.5 1933 0 10.8 89.2 0 100.0 Source: Gaffey [1940, p. 43]

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