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Cardboard is a generic term for heavy paper-based products. Their construction can range from a thick paper known as paperboard to corrugated fiberboard , made of multiple plies of material. Natural cardboards can range from grey to light brown in color, depending on the specific product; dyes, pigments, printing, and coatings are available.
[10] [11] [12] Cardboard box packaging was made the same year in Germany. [13] The Scottish-born Robert Gair invented the pre-cut cardboard or paperboard box in 1890 – flat pieces manufactured in bulk that folded into boxes. Gair's invention came about as a result of an accident: he was a Brooklyn printer and paper-bag maker during the 1870s ...
Corrugated fiberboard, corrugated cardboard, or corrugated is a type of packaging material consisting of a fluted corrugated sheet and one or two flat linerboards. [1] It is made on "flute lamination machines" or "corrugators" and is used for making corrugated boxes .
A roll of kraft paper. Kraft paper or kraft is paper or paperboard (cardboard) produced from chemical pulp produced in the kraft process.. Sack kraft paper (or just sack paper) is a porous kraft paper with high elasticity and high tear resistance, designed for packaging products with high demands for strength and durability.
Robert Gair was a Scottish printer and paper bag maker who invented the folding carton in 1879. [1]Born in Edinburgh, Scotland in 1839, he emigrated to the United States at age 14.
Another early version of the clipboard, known as the "memorandum file", was invented by American inventor George Henry Hohnsbeen in 1921, for which he was granted U.S. patent 1,398,591. [2] Related to the clipboard is the Shannon Arch File, which was developed around 1877.
At left is the first cubical version of the original Sunspotter solar telescope, first built in 1978 by the late inventor Daniel R. Janosik Sr. who built them from his home in Pike County.
Corrugated fiberboard made from paperboard. Paperboard is a thick paper-based material.While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker (usually over 0.30 mm, 0.012 in, or 12 points) than paper and has certain superior attributes such as foldability and rigidity.