Corrugated board for use in packaging industry, is provided with five surface sheets and four intermediate shaft mediums, which are stuck to form four-wall corrugated board

摘要

The corrugated board is provided with five surface sheets and four intermediate shaft mediums, which are stuck to form a four-wall corrugated board. The four-wall corrugated board has a thickness of fifteen millimeter to eighteen millimeter. An independent claim is also included for a method for manufacturing a corrugated board for use in the packaging industry.