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Harry Norris
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3951. Norris, H. Feb. 17. Corrugating. - R e - lates to dies for corrugating and reducing tubes and the like. The tube is drawn between a number of rollers J which are mounted on blocks E sliding radially in a frame D. The rollers are adjusted simultaneously by screws G actuated by pinions C and a crown-wheel H. For reducing tubes, dies such as those shown in Fig. 5 are employed in place of the rollers J.
GB189803951D1898-02-171898-02-17Improvements in Drawing, Corrugating, and Reducing Tubes and the like.
ExpiredGB189803951A
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