Laminated plywood hair comb - has alternate layers of grain running horizontal and vertical and thus resistant to temp. and humidity changes

摘要

The comb is manufactured of three plywood. The tt (2) of the comb are in the direction of the grain of the wood. The comb is composed of at least two layers of plywood. The teeth of at least one layer of plywood follow the horizontal grain of the back, the other layer being cut with the grain running vertically. The points of the teeth (3) consist of only one layer of plywood. The construction of the comb is such that it remains unaffected by high and low temperatures as well as by humidity and extreme dryness.