What Is Can Opener?

A can opener is a device used to open metal cans. It is a simple mechanical tool that can be operated by hand or by an electric motor. A traditional manual can opener consists of a serrated wheel and a blade that punctures the lid of the can, allowing it to be lifted off.

To use a manual can opener, the serrated wheel is placed on the top of the can lid, and the handles are squeezed together, causing the wheel to rotate and cut through the lid. Once the wheel has made a complete rotation, the blade is used to lift the lid off the can.

Electric can openers work in a similar way, but they use a motor to turn the serrated wheel and the blade. They are often faster and more efficient than a manual can openers, making them a popular choice in many kitchens.

There are many different types of can openers available, including wall-mounted models, handheld models, and countertop models. Some can openers are designed to be used specifically for certain types of cans, such as cans with pull tabs or pop-top cans.

What are the types of can openers?

There are several types of can openers available, each with its own unique features and benefits. The most common types of can openers are:

  • Manual can openers. These are the most basic type of can opener, consisting of a serrated wheel and a blade that punctures the lid of the can. Manual can openers are operated by hand, and they are easy to use and affordable.
  • Electric can openers. Electric can openers are operated by an electric motor, making them faster and more efficient than manual can openers. They come in a range of sizes and styles, and many models include additional features such as a built-in knife sharpener or bottle opener.
  • Side-cut can openers. Side-cut can openers are designed to cut through the side of the can rather than the top, leaving a smooth edge that is less likely to cause injury. These can openers are often used for cans that contain liquid, such as canned fruit or vegetables.
  • Under-the-cabinet can openers. Under-the-cabinet can openers are designed to be mounted under a kitchen cabinet, saving counter space and making them easy to access. These can openers are typically electric and feature a compact design.
  • Handheld can openers. Handheld can openers are compact and portable, making them a popular choice for camping and other outdoor activities. They are typically manual and operate by squeezing the handles together to rotate the serrated wheel and blade.
  • Automatic can openers. Automatic can openers are designed to be used with one hand and feature an electric motor that opens the can automatically. These can openers are ideal for individuals with disabilities or limited hand mobility.

How to use electric can openers?

Using an electric can opener is generally quite easy and straightforward. Here are the general steps for using an electric can opener:

  • Choose a flat and stable surface. Place the electric can opener on a flat and stable surface such as a kitchen counter. Make sure the cord is plugged in and the can opener is securely in place.
  • Position the can. Position the can in the can opener so that the top of the can be facing the blade. Many electric can openers have a magnet to hold the can in place.
  • Start the can opener. Turn on the can opener. The electric motor should begin turning the blade and the serrated wheel to cut through the lid of the can. Some models have a button or lever to start the motor, while others may start automatically when the can is in place.
  • Wait for the can opener to finish. Wait for the can opener to complete the opening process. Most electric can openers will automatically stop once the lid has been completely cut through and the can is open.
  • Remove the can. Once the can opener has finished, carefully remove the can from the can opener. Use caution as the lid may be sharp.
  • Clean the can opener. After use, clean the can opener according to the manufacturer’s instructions.

It’s important to note that different electric can opener models may have slight variations in the way they operate, so it’s always a good idea to read the instructions that come with your specific can opener. Additionally, it’s important to practice safety when using any type of can opener to avoid injury.


Ellen Diamond, a psychology graduate from the University of Hertfordshire, has a keen interest in the fields of mental health, wellness, and lifestyle.