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
Inventor
John Arthur Hampton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB189710647ApublicationCriticalpatent/GB189710647A/en
10,647. Hampton, J. A. April 29. Rolling; forging. -Billets to be made into tubes are rotated and passed between a pair of grooved rolls and over a mandrel fixed batween the rolls. In the apparatus shown in Fig. 1, the billet 7 is rotated and advanced by the skew rolls 8, and is passed between the grooved rolls 10 and forced over the mandrel 12, which may be rotated but is prevented from moving longitudinally. One or more pairs of skew rolls 14 and extra mandrels 13 may be provided on the delivery side of the rolls 10.
GB189710647D1897-04-291897-04-29Improvements in Tube Manufacture and in Machinery for Tube Making.
ExpiredGB189710647A
(en)