Sitting at a moderate price is urethane, offering more hook ability than polyester but less upkeep than resin. The least expensive material, polyester, doesn’t give as much hook since it’s unaffected by the oils on the lane. Overall, bowling balls can be made of three different types of coverstock materials – polyester, urethane, and resin (reactive urethane). The first polyester ball was made in 1970, followed by urethane in the 1980s and resin in the 90s. Almost a decade later, a company called Brunswick Corporation created a Mineralite rubber ball. However, in 1905, the first rubber band ball, called the Evertrue, was made. Finish: Shaving, resurfacing, sanding, and polishing are the last steps to creating the perfect bowling ball.Ĭenturies and decades ago, bowling balls were made from a durable wood called Lignum vitae.This is filled with a plastic dowel followed by material filling the imprint. Fill in the gaps: Once the ball is removed from its coverstock molding, a hole is seen where the pin was prior.More coverstock material is then poured over the sphere for encasement. Make the shell: After removing the spherical core from its mold, it is placed into a coverstock mold, affixed to a pin to keep the core in place.Construct the core: Like the older versions of bowling balls, a core is made and then filled with another material to create a sphere.began manufacturing bowling balls in 1990, they pioneered the modern-day two-layer bowling ball. A mold was filled with dense material, followed by less dense material filling the inside of the first layer, with a final 1-inch layer poured over it. So, how are modern-day bowling balls made and what are they made of? How Are Bowling Balls Made?įrom the 1800s until 1990, bowling balls were comprised of a three-layer structure. Of course, the equipment used for the sport has evolved over time, and bowling alleys are a relatively new invention. Can you believe that bowling has been around for thousands of years? Remnants of this world-renowned sport have been found in ancient Egypt, dating back almost 5,000 years.įor centuries, various civilizations have created unique versions of bowling.
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