There is a difference.
The differences are as follows:
1. The Hong Kong dollar ink bag has a larger ink capacity than ordinary fountain pens and is easy to carry when going out. Generally, there will be no ink contaminating the pen tip, making it appear clean.
2. Generally, the opening of the ink sac is relatively weak or has a small bead for sealing, while ordinary pens are relatively hard. When the ink sac is pressed, the back of the pen will naturally push open the ink sac. The ink will be released into the pen. When the ink is exhausted, remove it and replace it with a new one.
3. The specifications of fountain pen and ink sacs of various brands are different. You must first find a matching ink sac. Then unscrew the pen body, directly align the opening of the ink bag and press it up to install it.
Extended information:
Ink pen source:
1. As early as 1888, George Pike, a telegraph teacher in Wisconsin, USA, due to He often had to help his students repair pens with various problems. He felt that the ink pens at that time were very troublesome, easily damaged, and brought a lot of inconvenience to users, so he decided that it was necessary to develop a high-quality pen.
2. After continuous experiments, he finally invented a new type of pen. This was a high-quality pen that did not have all the bad problems of various ink pens at that time.
3. After achieving success, George Parker applied for a patent, and then founded Parker Company. After continuous improvement and marketing, Parker pens began to slowly go global.
4. At the beginning of Parker's research and development, its target customers were mainly businessmen, students, etc. At this time, the price of Parker pens was still relatively cheap, but Parker quickly expanded the pen market to the literary and artistic circles. As well as figures in the political world, it has even become a writing tool for heads of state around the world.