Manufacturing technique of label in mold

A manufacturing process and in-mold label technology, which is applied in the field of IML manufacturing process of in-mold labels, can solve the problems of low efficiency and achieve the effects of uniform stretching, reduced workload and improved efficiency

Active Publication Date: 2008-12-31
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 3. The process of "forming first and then punching" is adopted. When punching, the 3D product after forming (the product is relatively large) is cut out to the required shape. In order to ensure the accuracy of the product, only one product can be punched at a time. relatively low efficiency

Method used

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  • Manufacturing technique of label in mold
  • Manufacturing technique of label in mold
  • Manufacturing technique of label in mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 2 As shown, first print the sheet of the corresponding size according to the specifications of the die-cutting die. The printed pattern includes the product pattern and positioning holes. The die-cutting die in this example has two cavities for one die, and there are four products in each cavity.

[0036] Secondly, in order to prevent the pattern from reversing during punching, a CCD (computer control display, computer control display) punching machine is used to punch out the corresponding full-page positioning holes. In order to save time in the punching process, first of all, only the figure 2 The four full-page positioning holes for the positioning of the full-page printed sheet shown in the shadow are punched; the unshaded unit positioning holes are the forming positioning holes of a single label sheet, which are reserved for the die-cutting process and the product. Simultaneously punching.

[0037] Then, adopt the method of full-page punching wit...

Embodiment 2

[0040] Embodiment 2: The difference between this example and the above example is that in this example, firstly, the sheet of corresponding size is printed as required, and then the corresponding die-cutting die is selected.

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PUM

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Abstract

The invention discloses a manufacture process for labels in dies, comprising the steps as follows: a) printing the justification sheets such as patterns of products, justification positioning hole and a unit positioning hole; b) punching corresponding justification positioning hole on the sheets; c) die-cutting the unit positioning hole and the label shape required to be formed by a die cutter; d) forming a label with a certain three-dimensional shapes on a forming die; e) processing the final product by the injection molding. The manufacture process of the invention has the beneficial effects of overcoming the defects in the prior art such as large consumption of leftover material, easily appeared pressing marks on the edges, rupture and colour difference appearing on the curved surface, low efficiency, and the like, changes the type of the prior art that a label is singly positioned, realizes the effects that a plurality of labels commonly use the positioning hole and a plurality of labels are formed once, improves the performance of the product and reduces the production cost.

Description

technical field [0001] The invention relates to an IML (In Mold Label) manufacturing process. Background technique [0002] IML technology is a label that uses hot-melt solid adhesive to bond with the surface of the plastic bottle when making the bottle, and combines it with the bottle in the mold. The biggest feature of using in-mold label plastic bottles is that the label and the bottle body are on the same surface, it feels like there is no label, and the color pattern is directly printed on the surface of the bottle body. [0003] The basic process of traditional in-mold label production is printing-molding-die-cutting-injection molding. The disadvantages of this process mainly include: [0004] 1. The process of "forming first and then punching" is adopted. In order to ensure the production accuracy of the product, only a single product can be punched each time. Therefore, each punched product needs to be positioned with a positioning hole, and the positioning hole is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B11/00B26F1/38B29C45/14
Inventor 曾耿耿
Owner BYD CO LTD
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