A can opener is an appliance used for opening metal cans. Can openers are available in different sizes to open the caps of different sizes of metal cans. Traditional working method is puncturing the metal cap and cutting the top of can to detach the lid. Before invention of can opener, people used to open cans with the help of knifes, chisels, hammers, and even their teeth!
History of Can Opener
In 1980, William Lyman invented the primitive form of can opener to open small cans.
Types of Can openers
There are various kinds of can openers, which are available in market in vivid range of size, patterns, and designs; here are some of them.
Electric Can Openers
An electric can opener works on electricity. Both rechargeable as well as cordless can openers are available in market.
Manual Can Openers
Manual can openers are traditional items, which have to be operated only with hand.
Table Top Can Openers
These are standalone models and more effective; they’re longer, and all types of cans can be opened with the table-top can openers.
Under the Cabinet Can Openers
Connecting these openers below a counter or cabinet is an efficient way to save space, and this is what the ‘Under-the-cabinet’ can openers are all about.
Hand Held Can Openers
Usually, these can openers are manually operated, small, and portable. Generally, these are cordless and plenty of Hand Held Can Openers are currently available in the market.
How to Use a Can Opener?
The procedure for using electrical as well as manual can openers is covered herein.
Coming to electrical can openers, first off, you need to insert the plug of can opener in an outlet. Now, elevate the silver level, which lifts up the cutting wheel in air. Keep the can’s lip below the wheel, and bring the lever down and push hard to insert the wheel into the can. After that, turn on the switch gripping the bottom and it will mechanically turn like the slices of wheel via the can lid. Detach the opener from the can when it comes to the last stage. Still the lid is connected to the magnet and the can is ready to be opened.
In case of Manual Can Opener, hold the manual can opener and separate both handles apart. Keep the wheel on can’s lip and compress both handles together that will bite lid of the can with the lip. Twist the butterfly lever in clockwise direction. Then continue to cut the top completely to remove the cap easily with the help of can opener.
Working of an Electric Can Opener
The working principle of electric can opener is same as that of a manual can opener. With the help of an electric can opener, you can open any type of can even the cap is little hard to open. One can do this very easily instead of putting much effort to open cans. A lever is installed on the top of an electric can opener and whenever you press it, you can hear some sound and the sound is indication of working. Since it has the same operating principle as manual opener, its working is also just similar to that of manual one. The principle is cutting the top of can, and it works for any can opener.