By itself, the mold for the container weighed 4.5 tons. The first, mammoth injection molding press for the DieHard weighed 600 tons and required 500 metric tons to clamp shut. The machines they developed represented a substantial advance in precision injection molding.
That project alone took some of the country’s finest toolmakers more than a year and a half to build. The development of tools to manufacture the clear plastic container was a major undertaking. In addition to the space-saving and visibility advantages, the polypropylene case was stronger as well. Featuring a revolutionary tough, thin-walled case of translucent polypropylene plastic, which was 50 percent thinner than conventional black rubber-type battery enclosures, the design’s extra room meant bigger plates, more acid and extra starting power. Introduced in 1967, Sears designed the DieHard to produce 35 percent more usable starting power than other similar batteries. It took nine years of intense research and more than one million dollars for Sears to develop the DieHard - America’s most innovative automotive battery - tested, proven and guaranteed to deliver across any circumstance. HISTORY of DIEHARD Batteries DieHard Batteries – 1967-1975 For unrivaled performance at home, on the road or on the go… Power Ahead with DieHard.Ĭheck out Diehard Batteries at any of our Bibens Ace locations!ĭetermine which battery is right for you with the Diehard Batteries Selector. Whether it’s your car, laptop or phone, we’ll help you always be in charge. Locally Loved: Employees’ Favorite ItemsĭieHard Batteries will help you get started, stay connected, and move ahead.Keyless Remote Programming & Sidewinder Key Cutting.
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