PEOPLE spend substantial time and money to prevent, reduce, or eliminate unwanted wrinkles. You can minimize your exposure to sunlight, use a skin moisturizer, or even resort to Botox? Cosmetic treatments, but these won't eliminate the other type of wrinkle, the sort that appears on the intrados (inside bend radius) of a bent tube. If you're a fabricator who bends a lot of tube and pipe, you may have caught yourself saying, "If I could just get rid of the wrinkles, I could ship these parts," or "If the customer would just increase the wall thickness, production would run a lot smoother." It goes on and on.
展开▼
