FIELD: construction, particularly reservoir closures.
SUBSTANCE: closure comprises spacing ring fastened to reservoir wall and inner and outer holding struts including straight members. Closure also has annular beams and outer annular beam. Each holding strut has the first end rigidly secured to joint covering member and the second end pivotally connected to rod. Inner strut and outer annular beam members are fastened to joint covering member. Rod is installed in holder welded to bearing stiffening ring so that the rod is transversal to holding strut.
EFFECT: increased operational reliability.
3 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| UNIT FOR ATTACHMENT OF SHEET SHEATHING | 2001 |
|
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| PRESTRAINED DOME AND METHOD OF ERECTING SAME | 0 |
|
SU990992A1 |
