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US 4,126,976 AGranted
Concrete tank
OwnerFrancis X. Crowleyinventor
Life of this patent
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Abstract
A prestressed concrete tank comprising a wall of precast concrete panels, cast continuous beams surrounding the wall of panels, the beams including metal prestressing means, and vertically spaced liquid barriers positioned between the inside of the tank and the prestressing means.
Claims13
A prestressed concrete tank comprising:
- a wall of precast concrete panels,
- a plurality of vertically spaced-apart cast continuous beams surrounding said wall of panels,
- said beams including metal means for prestressing said wall, and
- a plurality of vertically spaced-apart liquid barriers corresponding to said vertically spaced-apart beams, each of said barriers being positioned between the inside of said tank and the prestressing means of its corresponding beam.
1 more element
Dependencies are inferred from the claim text.