Roof for manure storage tank
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- S L TECH
- Publication Date
- 2005-05-26
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
BACKGROUND OF THE INVENTION
[0001] A number of covers for manure storage tanks are known in the art. A number of these are inflatable covers which do not provide for ventilation of the storage tank. Access to the manure storage tank for emptying of the storage tank, for example, is difficult. Furthermore, the life span of inflatable cover members is limited. Such covers also need to be secured to the storage tank. These are often secured to the tank in such a fashion that forces on the cover are transmitted laterally to the tank which could lead to cracking of the said tank.
[0002] Other non-inflatable domes have a very complex structure. By way of example, Canadian patent application 2,220,382 provides a ventilated flexible dome. The dome includes a circular base, a rigid ridge pole, support cables connecting the base to the ridge pole, a cover and a flexible membrane arranged on the support cables, a ventilation cone with a rigid ridge pole. The construction of such a dome cover i...