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
GB2754922A
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
Priority to GB2754922ApriorityCriticalpatent/GB207329A/en
Publication of GB207329ApublicationCriticalpatent/GB207329A/en
207,329. North, J. D. Oct. 11, 1922. Metal pipes and tubes. - A tubular strut for use in aircraft framework is formed by bending a strip 1 of sheet metal to approximately circular section, providing it with inwardly turned beaded edges 2. 3 passing over it rings 4 of such a diameter as to press these edges tightly together, and fitting the ends into tubular sockets 5. The strip 1 may be formed with one or more longitudinal grooves 6 as shown in Fig. 6. Each socket 5 is formed with a shoulder bearing on the end of the tube as shown in Fig. 4.
GB2754922A1922-10-111922-10-11Improvements in structural members for aircraft
ExpiredGB207329A
(en)