Unlock instant, AI-driven research and patent intelligence for your innovation.

Preformed in-mold label and production equipment thereof

A pre-forming and labeling technology, which is applied in the field of food packaging production, can solve the problems of low water and oxygen barrier performance, and achieve the effects of improved aesthetics, long fresh-keeping time, and no air residue

Pending Publication Date: 2021-08-20
ZHEJIANG ZHONGYU SCIENCE AND TECHNOLOGY CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: the technical problem that the water and oxygen barrier performance of the food packaging using the in-mold label is not high at present

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preformed in-mold label and production equipment thereof
  • Preformed in-mold label and production equipment thereof
  • Preformed in-mold label and production equipment thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A preformed in-mold label, see appendix figure 1 And attached figure 2 , including an adhesive layer 11, a barrier layer 12 and a printing layer 13, the adhesive layer 11, the barrier layer 12 and the printing layer 13 are all made into prefabricated shapes, and the adhesive layer 11, the barrier layer 12 and the printing layer 13 are sequentially arranged from inside to outside distributed. The barrier layer 12 is made of polyvinylidene chloride, ethylene-vinyl alcohol copolymer, polyester resin, polyethylene naphthalate or aluminum oxide. Please refer to the attached image 3 , the bonding layer 11 is made of hot melt adhesive, and the outer wall of the printing layer 13 is printed with labels.

[0020] A device for producing preformed in-mold labels as described above, please refer to the attached Figure 4 , including preforming equipment and pressing equipment, the preforming equipment respectively makes the adhesive layer 11, the barrier layer 12 and the prin...

Embodiment 2

[0023] A kind of equipment for producing the preformed in-mold labeling as mentioned above. On the basis of Embodiment 1, this embodiment has made specific improvements to the structure of the inverted mold 30. Please refer to the attached Figure 5 , the present embodiment also includes a hydraulic pump, a liquid tank, a liquid supply pipe, a solenoid valve and a controller. Air holes 34, air valves and pressure sensors 33, the front of the mold body has a mold cavity 31, the rear of the mold body has a hollow liquid cavity 36, the inner wall of the mold cavity 31 is attached to the outer wall of the barrier layer 12 or the printing layer 13, and the bottom of the mold cavity 31 A number of leak holes 32 are opened, and the leak holes 32 communicate with the mold cavity 31 and the liquid cavity 36. The pressure sensor 33 is installed on the mold body to detect the liquid pressure in the liquid cavity 36. There is a liquid supply hole at the rear of the mold body. The liquid s...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of food packaging production, in particular to a preformed in-mold label and production equipment thereof. The preformed in-mold label comprises a bonding layer, a blocking layer and a printing layer, wherein the bonding layer, the blocking layer and the printing layer are all made into prefabricated shapes, the bonding layer, the blocking layer and the printing layer are sequentially distributed from inside to outside, the production equipment comprises preforming equipment and pressing equipment, the pressing equipment comprises a machine base, a pressing head, a plurality of heating coils, a pressing head driving mechanism and a reverse mold, wherein the outer wall of the pressing head is attached to the inner wall of the bonding layer, an air hole is formed in the top of the pressing head, the inner wall of the reverse mold is attached to the outer wall of the printing layer, the pressing head is connected with the pressing head driving mechanism, and the plurality of heating coils are arranged in the pressure head in sequence. The preformed in-mold label has the substantive effects that the in-mold label can be conveniently bonded with a food package through the bonding layer, the printing layer is convenient to print, and the blocking layer between the bonding layer and the printing layer can effectively resist oxygen and water and protect food in the in-mold label, so that the preservation time of the food is longer.

Description

technical field [0001] The invention relates to the technical field of food packaging production, in particular to a preformed in-mold labeling and production equipment thereof. Background technique [0002] The so-called in-mold label is to put the printed trademark label image sheet (with hot melt adhesive on the back) directly into the molding area of ​​the plastic molding machine, and combine the label and container together by blow molding or injection molding to form a complete package. container. The biggest feature of using in-mold label containers is that the label and the bottle body are on the same surface. It feels like the color graphics on the label are printed directly on the surface of the bottle body. As a new form of label packaging, in-mold labeling has been popular in developed countries in Europe and America for many years. In recent years, it has also been favored by more and more printing substrate suppliers, label manufacturers and end consumers in ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B65B61/00B65C9/08B65C9/26B65C9/00C09J7/29C09J7/35
CPCB65B61/00B65C9/08B65C9/26B65C2009/0031B65C2009/0059C09J2203/334C09J7/29C09J7/35
Inventor 洪明邓王双方
Owner ZHEJIANG ZHONGYU SCIENCE AND TECHNOLOGY CO LTD