Method of providing the shaving head of a dry-shaving apparatus with an effective shaving area of a desired shape in accordance with its use

Abstract From the Canadian patent

The invention relates to a method of providing the shaving head of a dry-shaving apparatus with an effective shaving area of a desired shape in accordance with its use in which a, shear foil is mounted in an arcuate condition under pretension in a shaving-head frame so as to be movable at the clamping locations. A cutter is pressed into the curved portion of the shear foil which cutter also has curved cutting edges the tangent lines to, the clamping curve at the clamping locations extending at an acute angle to each other. The method is characterized by the steps of: initially clamping the shear foil without the cutter at a preselected angle, with a pre-selected length and at a pre-selected …