When Was the Paper Clip Invented?
People used to pin their papers together, of which the needle hurts the paper and the user. A Norwegian inventor named John Waller thought the problem can be solved by a wire paper clip, for which he ...
How are Rubber Bands Made?
That use a rubber band to tied up their long hair is what many beautiful women sometimes do when it is hot. Rubber bands are everywhere in our daily life. So how exactly are they made?Densely and orde...
This Is How A Measuring Tape Is Made!
Tape measure is a kind of measuring tool commonly used in daily life. Steel measuring tape, which is often used in construction and decoration, is familiar for the majority and also one of the necessa...
The Process of Crayon-making
That dozens of colors may it be, a crayon is a drawing pen made by mixing paint into wax.Unable to penetrate, crayons dye onto the picture by adhesion force. Therefore, they are suitable neither for s...
How the Eraser Was Invented
Erasers, also called rubbers, are a kind of stationery which can remove pencil marks. The majority of them are white, brown or pink, however, they can now be of any colors as new ingredients are adopt...
How to Make Erasers
Who invented the eraser?Long before 240 years ago, a British scientist named Joseph Priestley discovered something that could easily erase pencil marks -- rubber. The British called it "rubber&qu...
The Process of Eraser-making
Today, let's talk about different types of eraser.Soft and opaque as they are, erasers of brown, pink or black for 2B or 4B are drawing ones, basically made of rubber. The softest one in the erase...
How To Identify The Quality Of Staples?
Staplers are common office products and the use of staples is also very important. Now there are many kinds of staples on the market. Is the quality of staples good or bad? Different materials and pro...
Who Invented The Paper Clip
Paperclip, invented by Norwegian Johan vaaler, was patented in Germany in 1899 for the purpose of holding many pages together.When we use the paper clips, we will feel that they exist like chopsticks,...
How Was The Paper Clip Invented
In the past, people used to pin their pages together. But the needle damages the paper, and it will also hurt the user by puncturing the finger. A Norwegian inventor, John Waller, thinks he can solve ...
Stapler Pin Processing Technology
The stapler machine uses cam mechanism.1. The wire feeding roller rolls the steel wire flat and feeds it into the hole in the cutting groove;2. When the length of the steel wire is enough, the front e...
Rubber Production Process
1. The petroleum processing factory transports the powder or liquid synthetic rubber to the rubber factory. If natural rubber is to be used, it comes in strong bulks which workers must first crush and...
The role of the eraser packing machine
Packing is a necessary condition for products to enter the circulation field, and the main means of achieving packaging is the use of packaging machinery. With the development of the times and the adv...
Eraser packing machine
The eraser packing machine is specially designed for the eraser package. The eraser packing machine not only improves the grade, but also makes the use of the rubber more convenient. The packaging mac...
Main Process of Eraser Production Line
Kaicheng Company is a professional manufacturer of eraser production machinery and stationery. It integrates production, sales, and service. Leading products: eraser cutting machine, eraser extruder, ...
Multi-functional Crayon Manufacturing Machine
Crayons are pens made by mixing pigments in wax. They can be painted in dozens of colors. Crayons have no permeability, they are fixed on the screen by adhesion. They are not suitable for overly smoot...
Selection of Eraser Production Line
With the rapid growth of economic level in recent years, especially in the current that domestic stationery market competition is fierce, stationery types are various and so on, and stationery product...
Eraser Production Line
With the development of science and technology, eraser production line has developed into a flexible equipment which can adapt to the production of many kinds of products，and overcome many defects of the ...
Factors Affecting the Capacity of Eraser
The most direct and effective way to reduce the production cost of enterprises is to increase the finished product rate of eraser. For every 1 percentage point increase in the yield, the cost of erase...
Crayon Manufacturing Machine
The operational principle of crayon manufacturing machine ：It is a piece of ideal equipment for mediating, mixing, kneading, crushing, dispersing and re-polymerizing various chemical products of high visc...