Method of manufacturing decorated leather

Patent metadata

Field	Value
Publication number	US-12084729-B2
Application number	US-201917284298-A
Country	US
Kind code	B2
Filing date	Oct 8, 2019
Priority date	Oct 17, 2018
Publication date	Sep 10, 2024
Grant date	Sep 10, 2024

Abstract

A manufacturing method of decorated natural leather including the steps of applying a crusted leather, having a corium side, a grain side and an edge, on a conveyor system, having a position means, and aligning said crusted leather by moving said edge against said position means; and laminating said aligned crusted leather on a temporary carrier, having an adhesive layer, wherein said corium side is attached by said adhesive layer on said temporary carrier while conveying said crusted leather on said conveyor system towards said temporary carrier and moving said temporary carrier relative to said conveyor system; and inkjet printing on said grain side with one or more pigmented inkjet inks an image by an inkjet printing system.

First claim

The invention claimed is:

1. A method of manufacturing decorated natural leather comprising:
applying a crusted leather comprising a corium side, a grain side, and an edge onto a conveyor system comprising a positioning means;
aligning the crusted leather by moving the edge against the positioning means;
conveying the crusted leather by the conveyor system towards a temporary carrier comprising a top layer;
laminating the crusted leather on the temporary carrier such that the corium side is attached to the top layer;
inkjet printing an image on the grain side with one or more pigmented inkjet inks using an inkjet printing system.

2. The method of claim 1 , wherein:
the conveyor system comprises a set of positioning means for applying and aligning a set of crusted leathers; and
the method further comprises:
laminating the set of crusted leathers on the temporary carrier; and
inkjet printing a set of images on the set of crusted leathers.

3. The method of claim 2 , further comprising flattening the crusted leather on the temporary carrier by applying a pressure on the crusted leather after laminating the crusted leather and before inkjet printing the image.

4. The method of claim 3 , wherein:
the conveyor system comprises a plurality of holding means for connecting the set of positioning means; and
the method further comprises connecting the positioning means to a holding means of the plurality of holding means.

5. The method of claim 4 , further comprising:
transmitting locations of the set of positioning means to the inkjet printing system after connecting the positioning means to the holding means;
determining a layout for inkjet printing the set of images from the locations; and
inkjet printing the images according to the layout.

6. The method of claim 5 , wherein the holding means is a perforation or cavity in the conveyor system and the positioning means comprises an extension which fits in the perforation or cavity.

7. The method of claim 6 , wherein the positioning means further comprises: a round pin, an elongated pin, a beam, or connected beams for aligning the crusted leather.

8. The method of claim 1 , wherein the conveyor system is a conveyor belt.

9. The method of claim 1 , wherein the conveyor system comprises an output position comprising a fixed knife-edge or a rolling knife-edge.

10. The method of claim 2 , wherein the conveyor system is a conveyor belt.

11. The method of claim 2 , wherein the conveyor system comprises an output position comprising a fixed knife-edge or a rolling knife-edge.

12. The method of claim 1 , wherein the temporary carrier is a paper foil, a plastic foil, or polyester felt.

13. The method of claim 12 , wherein the top layer is an adhesive layer.

14. The method of claim 13 , wherein the adhesive layer comprises a pressure sensitive adhesive.

15. The method of claim 2 , wherein the temporary carrier is a paper foil, a plastic foil, or polyester felt.

16. The method of claim 15 , wherein the top layer is an adhesive layer.

17. The method of claim 16 , wherein the adhesive layer comprises a pressure sensitive adhesive.

Assignees

• Agfa Nv

Inventors

• De Roeck Luc

Classifications

• C14C11/006

  using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen · CPC title

• C14C7/00

  Pasting processes (chemical part) · CPC title

• C09D175/04

  Polyurethanes · CPC title

• B41M5/0047

  by ink-jet printing · CPC title

• B41M5/0076

  on wooden surfaces, leather, linoleum, skin, or flowers · CPC title