Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1092328A
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Individual
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Individual
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Priority to GB1092328ApriorityCriticalpatent/GB308903A/en
Publication of GB308903ApublicationCriticalpatent/GB308903A/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D41/00—Application of procedures in order to alter the diameter of tube ends
B21D41/02—Enlarging
B21D41/025—Enlarging by means of impact-type swaging hand tools
Abstract
308,903. McGibbon, W. April 13, 1928. Metal pipes and tubes are upset in two operations to form, at or near the end of each. an external flange 4 which merges into the pipe 1 with a substantially rounded neck 10.
GB1092328A1928-04-131928-04-13Method of flanging metallic tubes
ExpiredGB308903A
(en)