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 Ireland Booker
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 GB189714796ApublicationCriticalpatent/GB189714796A/en
14,796. Booker, J. I. June 18. Corrugating.-Corrugated conical or taper tubes of the kind described in Specification No. 14,797, A.D. 1897, are formed between conical or taper rolls 3, 4 having corrugations decreasing in dimensions from the larger to the smaller ends of the rolls. The rolls are arranged with their axes converging, and guide or auxiliary rollers, also converging, are provided at each side of the main rolls. The lower roll 4, the axis of which is horizontal, is adjustable with respect to the other roll.
GB189714796D1897-06-181897-06-18Improvements in Apparatus for Corrugating by Rolling Tubes of Conical Form.
ExpiredGB189714796A
(en)