Method for stocking and preserving green round wood and sawn timber

US6830727B1 · kind B1 · utility

Assignee

• Technische Universitaet Dresden · DE

Inventors

• Gerold Mahler · Kirchzarten, DE
• Christoph Richter · Berlin, DE
• Martin Gross · Boone, US
• Andreas Weber · Rabenau, DE
• Thomas B. Maier · Gundelfingen, DE
• Juergen Koenig · Rabenau, DE

Key dates

• Filing date: Aug 23, 1999
• Grant date: Dec 14, 2004
• Expiry date: Aug 23, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B27K5/0095
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a method for stocking and preserving green round wood and sawn timber, which is stored in an airtight and lighttight sealing cover. The oxygen inside the cover is decomposed by the respiratory process of fungi, bacteria and wood cells that are still alive, thereby forming CO2 and H2O. Fermentation processes also lead to the decomposition of hemicelluloses and saccharides which are converted to organic acids and CO2. The oxygen content in the cover is less than 0.1 vol. % after an adjustment time of 3 to 10 days of total stocking, while said CO2 content rises to more than 21 and up to 40 vol. %. This method enables green round wood a swan timber to be stocked over long periods without wastage or environmental damage.