E - Fixed Constructions – 04 – G
Patent
E - Fixed Constructions
04
G
72/3
E04G 11/04 (2006.01)
Patent
CA 1041277
ABSTRACT OF THE DISCLOSURE: A formwork intended to be used in making round tanks, simple in structure, and enabling the simple erection of round tanks differing in diameter and having smooth outside and inside surfaces which do not require subsequent finishing. According to the subject invention, the formwork comprises a plurality of formwork elements each of which is curved according to an arc of a circle and which are assembled to form an inner formwork wall and an outer formwork wall. Each of the formwork elements have two vertical edges provided with angled portions which form engaging faces, which engage engaging faces of horizontally ad- jacent formwork elements of the same formwork wall. The angled portions of the formwork elements of the outer formwork wall extend outwardly. The angled portions of the formwork elements of the inner formwork wall extend inwardly.
204045
LandOfFree
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