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 - Lifetime
Application number
GB17924/18A
Inventor
Caretta Ettore
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 of GB124710ApublicationCriticalpatent/GB124710A/en
Application filed by IndividualfiledCriticalIndividual
124,710. Caretta, E. March 25, 1918, [Convention date]. Void [Published under Sect. 91 of the Act]. Framework.-A tubular girder applicable for the frames of aircraft is four or more sided in cross-section and made of a single piece, as by extrusion through a die. It is stiffened by flanges 1, or projections 2 on one or more of the walls, or by corrugations 3, or by the hollow-edge, formation shown in Fig. 7. The walls may be of different thicknesses.
GB17924/18A1918-03-251918-11-01Improvements in or relating to Hollow Girders.
Expired - LifetimeGB124710A
(en)
Improvements made to reinforced soaps, in particular to those with a proper frame to allow them to be suspended, as well as to the supports for the latter