This page lists Gillette razors in the three-piece Tech family. The Gillette Tech was notable as the first Gillette razor sold with a solid safety bar rather than an open comb guard. From a manufacturing standpoint, the Tech was the first safety razor made with a guard plate stamped from sheet metal. Previously guard plates had been machined or swaged (die-forged) from stock. This technique was patented as US 2,270,388, filed 1938-08-09 and issued 1942-01-20. Stamping gave the Tech its characteristic diamond-indented guard plate. This depression stiffens the plate.
Some UK variants do not have this feature. They may have been stamped from thicker sheet-metal, or may have been machined or swaged.
Some UK variants do not have this feature. They may have been stamped from thicker sheet-metal, or may have been machined or swaged.
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