Classification of plastic bags – bag method
A wide range of plastic packaging bags, standard variable, therefore, design and production staff are often overlooked bag method, the result is fine although the design is issued, but the finished product obtained was sub-packages were intended to, or even a waste. Experience tells us that only in the understanding of common types of packaging based on the design concept to full play to stop the design process does not meet bag works, design and practical, perfect finished product packaging.
Plastic bags can be divided into three sides by seal bag, sealed in the end, three-dimensional letters and film material in 4 categories.
Trilateral closure is sealed in bags around, are, back sizes are finished sizes, with some overall sense of design unfettered, and before and after the design has a certain consistency. As is, the back of the same size, can first design front, back and front to respond. When the plate is, back to arrange a set of a roller.
In the back of the end closure is sealed, positive dimensions of finished size, the back is divided into two equal parts, and its width is equal to the width of the positive, often in the design is the front and back sides started to carry out integrated design, and about The increase 1cm Edge, are, also, a set of back roller.
Three-dimensional in the closure is sealed in the bottom, based on three-dimensional on both sides plus side, is back, side 3 face the same version in the same set of rollers.
Printed materials, film material because of the restrictions, the positive and negative must be designed separately, separate plate, not both appear in the same set of a roller.