Hopper like storage tank for flowing material, has side walls formed by vertical stakes made of unprocessed wood, which is not treated with wood preservatives or is coated with halogen-organic compounds

摘要

The storage tank (5) has side walls (1) which are formed by vertical stakes (3) made of unprocessed wood, which is not treated with wood preservatives or is coated with halogen-organic compounds, which does not contain heavy metals. The supports (2) of the storage tank are made of unprocessed wood, which is not treated with wood preservatives or is coated with halogen-organic compound and which does not contain heavy metals or made from a reusable metal or plastic.