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Expired
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Wilhelm Heyfelder
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Individual
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Individual
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Publication of GB190626381ApublicationCriticalpatent/GB190626381A/en
26,381. Heyfelder, W. Nov. 21. Metalwork, ornamental.-Plated sheets of metal are embossed by dies, the height of the raised portions a being the same, so that by grinding &c. the coating-metal can be removed from all the raised portions, allowing the ground metal to show through. The invention is applicable to coppercoated zinc plates for wall-plates, name-plates, and furniture panels.
GB190626381D1906-11-211906-11-21Improvements in the Embossing of Sheet Metal
ExpiredGB190626381A
(en)