Long decorative material with embossing in register with pattern and rolling method and device therefor

Patent metadata

Field	Value
Publication number	US-11633905-B2
Application number	US-201615270279-A
Country	US
Kind code	B2
Filing date	Sep 20, 2016
Priority date	Jun 15, 2016
Publication date	Apr 25, 2023
Grant date	Apr 25, 2023

Abstract

A long decorative material with an embossing in register with a pattern, a rolling method and a device therefor are described herein. The method comprises a feeding step of feeding a layered raw material of a long decorative material to be rolled into oppositely rolling rollers; and a rolling step of hot rolling an embossing on the transparent plastic layer. A feeding tension of a printed plastic layer is adjusted according to a longitudinal deviation between the embossing and the pattern in the rolling step. The device comprises a first feeding device, a second feeding device, the oppositely rolling rollers, a detecting device, and a tension controller disposed on the second feeding device. According to the long decorative material with the embossing in register with the pattern manufactured by the method, the embossing hot-rolled on the transparent plastic layer is in register with the pattern on the printed plastic layer. The method, device and the long decorative material with the embossing in register with the pattern processed thereby can implement the embossing on the transparent plastic layer in register with the pattern on the printed plastic layer and have high production efficiency, low cost and less energy consumption.

First claim

What is claimed is:

1. A rolling method for a long decorative material with an embossing in register with a pattern, comprising:
a feeding step of feeding a layered raw material to be rolled into oppositely rolling rollers by a feeding device, the layered raw material comprising a transparent plastic layer and a printed plastic layer printed with repeating unit patterns; and
a rolling step of hot rolling an embossing on the transparent plastic layer;
wherein in the feeding step, the transparent plastic layer is located at one side of the printed plastic layer where the repeating unit patterns are printed, the transparent plastic layer is adjacent to an embossing roller of the oppositely rolling rollers, and an embossed pattern disposed around an outer cylinder of the embossing roller corresponds to a pattern of one unit pattern on the printed plastic layer, wherein a longitudinal deviation of the embossing is adjusted in the rolling step, an adjusting step comprises:
detecting the longitudinal deviation between the pattern on the printed plastic layer and the embossed pattern on the embossing roller by sensing a position of a preset part in each unit pattern on the already stretched printed plastic layer prior to coupling the transparent plastic layer and the printed plastic layer and after the feeding device, and detecting a position of a corresponding part directly on the embossing roller corresponding to the preset part prior to embossing, and
adjusting a feeding tension of the printed plastic layer according to the longitudinal deviation, so as to adjust a stretching length of the printed plastic layer between the feeding roller of the printed plastic layer in the feeding step and the oppositely rolling rollers in the rolling step before rolling and thereby embossing, so that the longitudinal deviation in rolling is reduced until the embossed pattern is in register with the pattern on the printed plastic layer during rolling, and the embossing hot-rolled on the transparent plastic layer is longitudinally in register with the pattern on the printed plastic layer,
wherein the registering of the embossing on the transparent plastic layer and the pattern on the printed plastic layer is realized during the rolling by the embossing roller;
wherein the method further comprises the step of controlling the heating temperature of the oppositely rolling rollers by a control device, the control device controlling a hot medium flowing into the oppositely rolling rollers.

2. The rolling method for the long decorative material according to claim 1 , wherein the adjusting step comprises detecting a position of a preset part on each unit pattern of the printed plastic layer and detecting a position of a corresponding part on the embossing roller corresponding to the preset part at the same time; when the preset part is detected to be ahead of the corresponding part, increase the feeding tension of the printed plastic layer to increase the stretching length of the printed plastic layer before rolling, so as to reduce an ahead value of the preset part in rolling until a deviation between the preset part and the corresponding part is zero, so that the embossing hotrolled on the transparent plastic layer is longitudinally in register with the pattern on the printed plastic layer; and when the preset part is detected to be lagging behind the corresponding part, decrease the feeding tension of the printed plastic layer to decrease the stretching length of the printed plastic layer before rolling, so as to increase a lagged value of the preset part in the rolling until the deviation between the preset part and the corresponding part is zero, so that the embossing hot-rolled on the transparent plastic layer is longitudinally in register with the pattern on the printed plastic layer.

3. The rolling method for the long decorative material according to claim 1 , wherein a heating temperature in the rolling step ranges from 85° C. to 250° C.

4. The rolling method for the long decorative material according to claim 1 , wherein in the rolling step, the longitudinal deviation of the embossing is measured by a distance difference or a time difference between a detected preset part on each unit pattern of the printed plastic layer and a detected corresponding part on the embossing roller corresponding to the preset part.

5. The rolling method for the long decorative material according to claim 1 , wherein during the process of adjusting the longitudinal deviation of the embossing in the rolling step, a lateral deviation of the pattern is adjusted, and when a lateral deviation is detected to be existing between the pattern on the printed plastic layer and the embossed pattern on the embossing roller, the transparent plastic layer or the embossing roller is moved along a lateral direction, so that the pattern on the printed plastic layer is in register with the embossed pattern around the outer cylinder of the embossing roller on the lateral direction.

6. The rolling method for the long decorative material according to claim 5 , wherein the layered raw material of the long decorative material to be rolled comprises a plastic base layer, the plastic base layer is delivered to the oppositely rolling rollers simultaneously in the feeding step, and the plastic base layer is located at the other side of the printed plastic layer opposite to the side printed with the repeating unit patterns.

7. A rolling method for a long decorative material with an embossing in register with a pattern, comprising:
a feeding step of feeding a layered raw material to be rolled into oppositely rolling rollers by a feeding device, the layered raw material comprising a transparent plastic layer and a printed plastic layer printed with repeating unit patterns; and
a rolling step of hot rolling an embossing on the transparent plastic layer;
wherein in the feeding step, the transparent plastic layer is located at one side of the printed plastic layer where the repeating unit patterns are printed, the transparent plastic layer is adjacent to an embossing roller of the oppositely rolling rollers, and an embossed pattern disposed around an outer cylinder of the embossing roller corresponds to a pattern of one unit pattern on the printed plastic layer,
wherein a longitudinal deviation of the embossing is adjusted in the rolling step, an adjusting step comprises:
detecting the longitudinal deviation between the pattern on the printed plastic layer and the embossed pattern on the embossing roller by sensing a position of a preset part in each unit pattern on the already stretched printed plastic layer prior to coupling the transparent plastic layer and the printed plastic layer and after the feeding device, and detecting a position of a corresponding part directly on the embossing roller corresponding to the preset part prior to embossing, and
adjusting a feeding tension of the printed plastic layer according to the longitudinal deviation, so as to adjust a stretching length of the printed plastic layer by a tension controller on a second feeding device, so that the longitudinal deviation in rolling is reduced until the embossed pattern is in register with the pattern on the printed plastic layer during rolling, and the embossing hot-rolled on the transparent plastic layer is longitudinally in register with the pattern on the printed plastic layer,
wherein the registering of the embossing on the transparent plastic layer and the pattern on the printed plastic layer is realized during the rolling by the embossing roller;
wherein the method further comprises the step of controlling the heating temperature of the oppositely rolling rollers by a control device, the control device controlling a hot medium flowing into the oppositely rolling rollers.

Assignees

• Flooring Ind Ltd Sarl

Inventors

• Wang Yibing
• Tang Wenjin
• Zhu Caiqin

Classifications

• B32B38/06

  Embossing · CPC title

• B29C59/046 Primary

  for layered or coated substantially flat surfaces · CPC title

• B29C2037/90

  Measuring, controlling or regulating · CPC title

• B32B2307/4023

  on the layer surface, e.g. ink · CPC title

• B32B2250/24

  All layers being polymeric · CPC title