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Gable-top milk cartons fold plastic-coated paperboard into spouts

Scored paperboard cartons provide sterile pop-open spouts for liquid milk

John Van Wormer patented the gable-top folded paperboard carton in 1915 as a hygienic alternative to glass milk bottles. The liquid-tight container features paperboard coated on both sides with thin polyethylene film, with score lines allowing consumers to pop open a sterile pouring spout.

Where this comes from

Smithsonian Institution

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Tags: packaging, milk, inventions

Gable-top milk cartons fold plastic-coated paperboard into spouts: the short answers

Where does this come from, and can I check it?
Scored paperboard cartons provide sterile pop-open spouts for liquid milk. The figure is taken from Smithsonian Institution, 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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