The lining of a package refers to a processing form in which a single sheet with a lining material adhered is bonded to the ring liner and the lining material package is stuck on the ring lining. The function of the bag lining is to be able to lock with the booklet and achieve the connection with the book case. As shown in Figure 15.
Rolling the golden mouth refers to cutting the light on the three sides of the book block, and then using a hot stamping method to bond a layer of gold foil on the incision on one side of the head or three sides of the incision. Silver foil or anodized aluminum makes the cut of the book block golden or silvery. Due to the fact that gold is always used for processing and hot rolling is used, it is said to be a gold port.
The mouth of a flower is a processing form in which a variety of patterns are formed on the front or three side cuts of the book block by means of sticking. The Huakou mouth is a more complex processing form than the rolling mouth, which is difficult to operate, complicated in ingredients, extremely strict in quality requirements, and must be made at one go without room for return. Therefore, operators are required to have certain expertise. Knowledge, but also superb operational skills, can be competent for this process.
Locking the flower head means that the upper and lower ends of the back of the cut book are locked with a silk cord instead of the plug cloth, as shown in FIG. 16 . Because of the variety of colors used, silk locks are called lock heads. The flower head, which is locked with a silk cord, is durable, beautiful and unique, and can match the style of the mouth and mouth of a book. It is both luxurious and artistic.
Starting from the bamboo section, the shape of a section of bamboo like a bulge is made on the middle waist of the book case. The effect of making bamboo knots in the middle waist adds artistic quality to the appearance of the book, and it can protect the middle waist from being firmly worn without being worn. It is an art processing form of luxury hardcover. As shown in Figure 17.
In addition, luxury hardcover modeling techniques such as fake ridges, pads, peelings, chippings, and jewels are all used to decorate books to make them valuable.
Source: Printing Technology
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