Method of fabricating double-curvature shells

Details Method of fabricating double-curvature shells Method of fabricating double-curvature shells

B - Operations, Transporting

23

P

26/182

B23P 15/00 (2006.01) B29C 69/00 (2006.01) B65D 88/04 (2006.01)

Patent

CA 1089207

ABSTRACT OF THE DISCLOSURE METHOD OF FABRICATING DOUBLE-CURVATURE SHELLS A method of fabricating double-curvature shells from meridional petaloid sections consisting in that the prefabrica- ted meridional petaloid sections are joined consecutively with one another in a number required for making a shell. The meri- dional petaloid sections are made from a flexible material and in the process of their joining they are successively coiled into a spindle-shaped roll for storage and transportation and the double-curvature shell is made by applying an axial force to at least one of the roll ends for uncoiling the roll and si- multaneously imparting a longitudinal curvature to said sections after which the first and the last sections are joined with each other. The method according to the invention permits fa- brication of high-quality double-curvature shells of any volume from any flexible material, it is highly efficient, calls for low expenditures of labour and funds, is simple and convenient in realization.

305580

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