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Method for making double-smooth leather belts from bovine vegetable tanned leather

A double-smooth, vegetable tanning technology, applied in leather manufacturing, leather surface treatment, leather surface mechanical treatment, etc., to achieve the effect of smooth appearance, clean and bright on both sides, and simple production process

Active Publication Date: 2016-08-24
JIHUA 3514 LEATHER & FOOTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for making double-smooth leather belts by using yellow cattle vegetable tanned leather, which overcomes the disadvantage that the belts made of yellow cattle vegetable tanned leather can only be painted on one side, and makes the two sides of the belt clean and tidy Bright, smooth appearance, wear-resistant coating, high strength

Method used

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  • Method for making double-smooth leather belts from bovine vegetable tanned leather
  • Method for making double-smooth leather belts from bovine vegetable tanned leather

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Example 1 A method of making double-smooth leather belts from cattle vegetable tanned leather

[0061] A method for making double-smooth leather belts by using yellow cattle vegetable tanned leather, according to the following steps:

[0062] ⑴ Cutting strips

[0063] Cut out 1500×33mm belt strips on the whole piece of yellow cattle vegetable tanned leather, and get A;

[0064] ⑵ split layer

[0065] Pass A through a splitter, split to 2.2mm, and get B;

[0066] ⑶ grinding

[0067] Use 600-grit sandpaper to polish the rough surface and two sides of B until it is smooth and flat, and get C;

[0068] ⑷ scraping and leveling

[0069] Apply the mending ointment to the hairy surface and both sides of C, and spread it evenly until the hairy surface of C covers the small hairs, then put it in a ventilated place, and let it dry naturally to obtain D;

[0070] ⑸Secondary grinding

[0071] Use 800-grit sandpaper to lightly polish the position where the repair cream was app...

Embodiment 2-6

[0098] Embodiment 2-6 Utilize the method for making double-smooth leather belts of yellow cattle vegetable tanning

[0099] Embodiments 2-6 are respectively a method for making double-smooth leather belts by using yellow cattle vegetable tanned leather. The manufacturing process is the same as that of Embodiment 1. The number of times of spraying the flour paste in step (7) is 3 times. The difference is only in the control The parameters are different, as shown in Table 1:

[0100] Table 1 Relevant parameters involved in the method of making double-smooth belts from cattle vegetable tanned leather

[0101]

[0102] The production process of Examples 2-6 is simple, and the belt provided is smooth and delicate, with good air permeability, clear and natural grain pattern, anisotropic creases, three-dimensional effect, clean and bright surfaces on both sides, smooth appearance, and wear-resistant coating. High strength, adjustable strap length.

Embodiment 7

[0103] Example 7 The strength and color fastness to rubbing of a double-smooth belt made of bovine vegetable tanned leather

[0104] Embodiment 7 has carried out strength and color fastness to rubbing test to the belt provided in embodiment 1-6, and concrete result is as follows:

[0105] ⑴Strength test

[0106] Tensile strength≥22N / mm 2 , compressive strength ≥ 190MPa.

[0107] ⑵ Color rubbing fastness test

[0108] Dry rubbing ≥ 4 (level), wet rubbing ≥ 3 (level).

[0109] The evaluation standard for domestic belts is tensile strength ≥ 15N / mm 2 , when the compressive strength is ≥130 MPa, the strength of the belt is qualified; when the dry rubbing is ≥3 (grade), and the wet rubbing is ≥2 (grade), the color rubbing fastness of the belt is qualified. Tensile strength≥19 N / mm 2 , When the compressive strength is ≥150MPa, the belt has high strength; when the dry rubbing is ≥4 (grade), and the wet rubbing is ≥3 (grade), the color rubbing fastness of the belt is high.

[0...

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Abstract

The invention discloses a method for making double-smooth leather belts by using yellow cattle vegetable tanning leather, which includes cutting strips, splitting layers, grinding, scraping and leveling, secondary grinding, embossing, spraying surface paste, spraying bright layers, drilling holes , on the buckle and other steps. The invention has a simple manufacturing process and solves the problem that the belt made of cattle vegetable tanning leather can only be painted on one side. Through technical processing, the two sides of the belt have the characteristics of clean and bright, smooth appearance, wear-resistant coating, and high strength. The invention is suitable for making belts.

Description

technical field [0001] The invention belongs to the field of leather processing, and relates to a method for making a belt, in particular to a method for making a double-smooth belt by utilizing yellow cattle vegetable tanned leather. Background technique [0002] At present, the variety of belts on the market is dazzling, and most of the so-called genuine leather marked with genuine leather belts are just artificial leather or yellow cattle second-layer transfer film. The strength of artificial leather and yellow cattle split film leather is very low, and it is easy to deform after a long time of use; for yellow cattle split film leather, the film will fall off after a long time, which affects the comfort of people using the belt. The feeling also affects the appearance. In addition, the length of the finished belt cannot be changed according to the size of a person's waist. If the belt is long, it can be shortened, but it will affect the appearance. For people with thicke...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C14B1/56C14B1/46C14B1/02C14C11/00C09D133/00C09D175/04C09D7/12
Inventor 刘莹光梁文华郑海涛郝燕玲
Owner JIHUA 3514 LEATHER & FOOTWARE
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