Three keys: safety performance, comfort.
Thanks to advances in safety, the hard hat has evolved through the decades. There have been many recent improvements, but its story began almost 100 years ago with the "Hard-Boiled Hat:" Patented in 1919, its name came from the steam used in the manufacturing process. The original "Hard-Boiled Hat" was manufactured of steamed canvas, glue, and black paint. North
Elvex Corporation, Bethel, CT, USA. fred@elvex.com
Fred
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Ravetto
D004430:Ear Protective Devices; D006260:Head Protective Devices; D006801:Humans; D016272:Occupational Health; D017751:Safety Management / Q000379:methods*