An infeed conveyor, hammermill, and downstream separation system-the basic components of a shredder have existed sinve Sam Proler of Proler Steel Corp. (Houston) patented the "Prolerizer," what many consider the first scrap shredder, in 1960. But much has changed in nearly 50 years, too. Shredding systems have become faster, more powerful, more durable, and more technologically advanced in a variety of ways. Shredder manufacturers have had to keep improving their products to keep up with the volume of business and the fast-paced rate of change in the scrap industry. Today, "everything's more sophisticated," says Skip Anthony, vice president of sales and service for American Pulverizer Co.(St. Louis).
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