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Paper arches sandwiched between flat liners cushion impacts and resist weight. The figure is taken from Encyclopaedia Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Corrugated cardboard derives strength from a wavy fluted middle layer

Paper arches sandwiched between flat liners cushion impacts and resist weight

Shipping boxes use corrugated cardboard consisting of a waved paper sheet sandwiched between flat outer linerboards. Albert Jones patented corrugated paper for packing in 1871. The arches of the fluted layer resist compression and cushion impacts, creating lightweight boxes with remarkable load-bearing capacity.

Cardboard Boxes and their History — Creativity103 · CC BY 2.0 · licence · source

Where this comes from

Encyclopaedia Britannica

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Tags: cardboard, packaging, paper

Corrugated cardboard derives strength from a wavy fluted middle layer: the short answers

Where does this come from, and can I check it?: Paper arches sandwiched between flat liners cushion impacts and resist weight. The figure is taken from Encyclopaedia Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a everyday life fact?: Yes. It sits on the Everyday Life shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.