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from the Gemstone Grow older to Rotational Molding: The Tale of RotoMold Technological innovation

Rotational molding is really a process that was invented from the delayed 1950s by Richard W. Boulanger, an professional for Common Electrical Plastic materials Business. On September 28, 1956, the first patent was filed and awarded on October 17, 1960, as US Patent 2,912,991 – “Approach to Soaking Plastic materials Fabric.” It provides considering that …