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Expired
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Arthur Edward Beck
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Individual
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Individual
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Publication of GB189718121ApublicationCriticalpatent/GB189718121A/en
18,121. Beck, A. E. Aug. 3. Metal tubes.-The object is to produce a tube of varying thickness of metal, but of uniform outside diameter. This is effected by drawing it on a mandrel made in sections A, A<1>, A<2> of varying size and fitting together as shown. On subsequently cutting the tube at the proper places, the sections of the mandrel can be removed. Such tubes are applicable for parts of cycle frames.
GB189718121D1897-08-031897-08-03Improvements relating to the Manufacture of Tubes.
ExpiredGB189718121A
(en)
Improvements in or relating to the Means or Mode of Constructing certain Metallic Tubular Parts of Cycles, but applicable to other purposes where like Tubes are Employed.