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Cardboard is a generic term for a heavy-duty paper of various strengths, ranging from a simple arrangement of a single thick sheet of paper to complex configurations featuring multiple corrugated and uncorrugated layers. Despite widespread use in general English and French,〔()〕〔()〕 the term is deprecated in business and industry.〔Walter Soroka, (Illustrated Glossary of Packaging Terminology ), p. 154〕 Material producers, container manufacturers, packaging engineers,〔 〕 and standards organizations,〔 〕 try to use more specific terminology. There is still no complete and uniform usage. Often the term "cardboard" is avoided because it does not define any particular material. ==History== The term has been used since at least as early as 1848, when Anne Brontë mentioned it in her novel, ''The Tenant of Wildfell Hall''. The Kellogg brothers first used paperboard cartons to hold their flaked corn cereal, and later, when they began marketing it to the general public, a heat-sealed bag of Wax paper was wrapped around the outside of the box and printed with their brand name. This marked the origin of the cereal box, though in modern times, the sealed bag is plastic and is kept inside the box rather than outside. Another early American packaging industry pioneer was the Kieckhefer Container Company, run by John W. Kieckhefer, which excelled in the use of fibre shipping containers, which especially included the paper milk carton. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「cardboard」の詳細全文を読む スポンサード リンク
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