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In the 1870s Margaret Knight, who worked for the Columbia Paper Bag Company of Springfield, Massachusetts, designed a machine that could produce flat bags that could be unfolded to the square-bottomed paper bags we know today.
Margaret Eloise Knight (February 14, 1838 – October 12, 1914 [1][2]) was an American inventor, notably of a machine to produce flat-bottomed paper bags. She has been called "the most famous 19th-century woman inventor". [3]
Margaret Knight invented a machine that could automatically cut, fold and glue flat-bottomed paper bags. Her revolutionary invention enabled the mass production of paper bags by performing the work of 30 people with one machine.
A self-taught engineer, Margaret Knight bagged a valuable patent, at a time when few women held intellectual property.
Margaret Knight was an employee in a paper bag factory when she invented a new machine part that would automatically fold and glue paper bags to create square bottoms for paper bags. Paper bags had been more like envelopes before.
8 wrz 2020 · The National Inventors of Fall of Fame® honors Inductee Margaret E. Knight, who invented a machine for making flat-bottom paper bags.
4 maj 2016 · The bags produced between 1979 and 1993 are especially notable in the store’s history. During this period, the store turned paper bags into canvases, and commissioned popular designers and artists to experiment with them.
