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After punching holes with the progressive die, it was drawn.
To manufacture the outer blade of a rotary shaver using press processing, we designed and produced a progressive press die that incorporates all the machining, including the beard entry, from scratch.
Deep Shave-kun
I have obtained two patents under the name "Rotary Shaver and Its Inner Blade." They are Patent No. 6482149 and Patent No. 6525298. Patent No. 6482149 is a patent that completes the function of pulling in the beard that has entered the beard entry with the primary blade while cutting it with the secondary blade in a single component. This invention allows for faster and closer shaving, while also being gentle on the skin. Patent No. 6525298 is an invention that forms the cutting angle created by the inner and outer blades into a V-shape with the inner blade, thereby minimizing cutting resistance and allowing for effortless cutting without letting the beard escape. This achieves a close shave that is also gentle on the skin.
