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The post How to Open a Can Without a Can Opener appeared first on Reader's Digest. ... Metal cans can develop sharp edges when you try to pry them open, and if you aren’t careful, you could get ...
Once you’ve gone around the entire can and the lid is loosened, use the spoon to help remove the lid without getting cut on the sharp edges. How to open a can without any tools
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The end of the article mentions side-cutting can openers, but only mentions the kind that cuts into the rim, so as to leave no sharp edges, but there are other can openers which cut just under the rim, cutting the whole lid and its rim off, leaving a sharp edge all around the can, but not the lid.
Fraze decided to create an improved beverage opening method that would eliminate the need for a separate device, leading to his creation of the pull-tab opener. His first design included a lever that pierced a hole in the top of the can, but this caused a safety hazard as it produced sharp edges that could cut the user's finger.
A can opener (North American and Australian English) or tin opener (British English) is a mechanical device used to open metal tin cans. Although preservation of food using tin cans had been practiced since at least 1772 in the Netherlands, the first can openers were not patented until 1855 in England and 1858 in the United States. These early ...