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Adolph Frederick Rietzel
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Individual
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Publication of GB190518909ApublicationCriticalpatent/GB190518909A/en
18,909. Rietzel, A. F. Feb. 24, [date applied for under Patents Act, 1901]. Welding; working by electricity.-Projections c are made by stamping, casting, &c. on the surfaces of, or small pieces of metal c' are placed between, plates B, B<1> to be electrically welded, together, to localize the current, the plates beiog welded together ; at a number of separate points when pressure is applied.
GB190518909D1905-02-241905-09-19Improved Method of Electric Welding Sheet Metal
ExpiredGB190518909A
(en)
Improved Process for Effecting the Adherence of Copper and its Alloys to the Surfaces of Iron and Steel Articles and for Uniting Iron and Steel Plates to One Another.