1, fixed file
You can use a paper clip to pass through the paper of a document to fix multiple documents together for easy browsing.
Step 2 protect documents
If you need to protect the file from damage, you can bend the paper clip to cover the key parts of the file to prevent the file from being torn or graffiti.
Step 3 mark the key points
When reading or reviewing a document, you can bend the paper clip and point to the words or pictures that need to be emphasized, so as to quickly find the key points.
4, organize a large number of documents
If you need to organize a large number of files, you can match the theme or category of each file with the corresponding paper clip, and then put all the files in the specified location.
Step 5 open the can
Because the paper clip is shaped like a fishhook, it can also be used to open cans or other sealed containers. Just insert one end of the paper clip into the small hole on the edge of the can, and then gently rotate it.
Introduction of paper clips
1, Brief introduction of paper clip
Paper clips seem to be the simplest of all inventions. It's just a short piece of curved metal wire for holding paper. But the paper clip was designed many times to make the shape we use today.
People used to pin pages together. But the needle will damage the paper, and it will also stab the user's fingers. A Norwegian inventor named John E. Walker thought he could solve this problem. 190 1 year, he proposed the steel wire paper clip (because there is no patent application system in Norway, Waller applied in Germany).
Almost at the same time, several inventors also proposed similar designs. However, all these early paper clips have some problems. When the clip is pushed, the protruding end of the metal wire will pierce the paper, which may even damage the paper more easily than the needle. It is also difficult to make a machine for making clips. Obviously, the labor cost of producing paper clips by hand will make the product price too high.
2. Manufacturing history
William Middlebrook, an engineer in Fort Worth, Connecticut, solved the problem of machine building. He invented a machine for bending wire paper clips in 1899. Middlebrook may also provide solutions to other problems. Because the paper clip made by his machine has double loops, which is very similar to the paper clip we use.
These paper clips are famous "Gem" brand paper clips. They usually don't damage paper. Paper clips are made of plastic coated with different colors. This not only makes paper clips more attractive, but also allows users to "code" pages with paper clips of different colors.
It seems that no one mentioned the patent of "Gemstone" brand paper clip, so it is impossible to determine who is its inventor. But since it was adopted at the beginning of this century, it has become a standard design.