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    • 3. 发明授权
    • Tank construction
    • US3917104A
    • 1975-11-04
    • US44866974
    • 1974-03-06
    • METAL CLADDING INC
    • ROSSITTO VINCENT JBAKER ROBERT EJARVIS JAMES JDE SERIO JAMES N
    • B65D88/06B65D88/08B65D90/00B65D90/02B65D90/12B65D25/24
    • B65D90/024B65D88/08B65D90/00B65D90/029B65D90/12Y10S220/901
    • An improved upstanding cylindrical tank is provided, in one aspect of the invention, with a ring-like stiffening member at its open upper end to resist flexure and deformation of the side wall structure under wind loading. The stiffening member has a cylindrical inner flange portion formed integrally with the tank wall, an annular web portion extending radially outward from an upper part of the upper flange portion, and a cylindrical outer flange portion depending from an outer part of the web portion and arranged concentrically with the inner flange portion. The stiffening member has a minimum vertical moment of inertia and is configured to have its vertical neutral axis located approximately midway between the furthermost fibers of the inner and outer flange portions. A tank is provided, in another aspect of the invention, with means for resisting an overturning moment which produces additional tensile forces in a leading portion of the wall structure and additional compressive forces in a trailing portion thereof. The resisting means are arranged near the bottom of the tank and include vertically-spaced upper and lower annular flanges extending radially outwardly from the side wall structure, and a plurality of circularly-spaced anchor bolts arranged to act on the upper flange to resist the additional tensile forces. The centroid of the polar moment of inertia of the resisting means is located equidistant from the furthermost fibers of the upper and lower flanges.
    • 7. 发明专利
    • IT1064567B
    • 1985-02-18
    • IT2961476
    • 1976-11-22
    • METAL CLADDING INC
    • B65D90/06B65D8/08B65D88/06B65D90/08B29C
    • 1520959 Glass fibre reinforced plastics tanks METAL - CLADDING INC 29 Oct 1976 [25 Nov 1975] 44976/76 Heading E1T A glass fibre reinforced plastics tank comprises a bottom 13 and an annular side wall 15 terminating in a lower foot, the bottom being joined to the lower foot by means of a batten 43 of glass fibre reinforced plastics having an upper portion 53 joined to the lower foot of the side wall a lower portion 54 joined to the bottom and an intermediate flexible portion 52 accomodating the radial expansion of the tank walls due to hydrostatic pressure. The batten may be integrally formed with the bottom, laid on a thin shell of glass fibre reinforced plastics forming the curved inner periphery or may be a separate element bonded in situ over a mortar fillet 50 formed as an integral ring or segmented structure the surface cross section of which may be cylindrical, hyperbolic or parabolic.