Evening Republican, Volume 23, Number 180, Rensselaer, Jasper County, 28 July 1920 — Blow-Resisting Paper Caps. [ARTICLE]

Blow-Resisting Paper Caps.

Astonishingly strong paper caps, capable of withstanding powerful blows, jtiougb extremely light in weight have •been Invented by a employee, and are Intended to be worn by workmen whose duties expose them to danger from falling objects. The, process by which toe novel headgear Is produced: has. not been divulged, says ’ Popular Mechanics, but it is known that chemicals are employed to harden the material,, without adding to its weight. Several styles have been made, the lightest weighing about seven ounces, and others only slightly more. In a recent' test, a one-pound bolt was dropped on one of them ftoim a height of 40 feet, with the result that’s barely proceptible dent was loads in the paper. The novel head, coverings are proof against water and adds, and are poor conductors of electricity. , •