Carton box is an extremely popular item in our daily life. Everyone must have used it, from our house, grocery stores, stores, supermarkets to big companies, manufacturers, … It is such a convenient item, however do you know the structure of any carton box? Let’s join Binh Minh PAT to learn about the structural features and common types of carton box in this article.
1. Structure of carton box:
Every carton box has 2 parts:
– One is liner board: Linerboard is the flat facing that adheres to the medium
– Two is the medium: The medium is the wavy, fluted paper in between the liners. Flute helps to increase the bearing capacity for carton boxes. There are many different types of flutes: E flute , C flute, B flute, A flute, AB flute,… depending on what is stored inside the carton box and according to the customer’s requirements.
The following illustrations demonstrate four types of combined board:
- Single Face: One medium is glued to one flat sheet of linerboard.
- Single Wall: The medium is between two sheets of linerboard. Also known as Double Face.
- Double Wall: Three sheets of linerboard with two mediums in between.
- Triple Wall: Four sheets of linerboard with three mediums in between.