Polyester-Linen Woven Fabric for Seat Durability

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current fabrics used in seats, such as those for furniture, are prone to deformation and fuzzing due to friction, leading to a reduction in aesthetics and durability over time.

Innovation Solution

A woven fabric with a 1:1 warp to weft ratio, composed of 94% polyester and 6% linen, with a warp density of 8 strips/cm and weft density of 9.2 strips/cm, and a surface density of 320 grams per square meter, coated with wool on the backside, providing high strength, tear resistance, and resistance to deformation and fuzzing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If linen or cotton fabrics are used for seats, then the fabric provides comfort and aesthetics, but it deforms and tears easily due to friction from daily use

Engineering Contradiction:
Improvefriction damageVSAvoidfabric strength
Core Design Contradiction:
Object-affected harmful factorsVSStrength

Solution Approach 1:

The patent uses a composite fabric made of polyester and linen fibers woven together. The polyester component provides high strength and resistance to friction-induced deformation, while the linen component maintains aesthetic appearance and comfort. This composite structure resolves the contradiction by combining materials with complementary properties to achieve both durability and appearance.

Inventive Principle:
Principle #40Composite materials

2Object-affected harmful factors

If linen or cotton fabrics are used for seats, then the fabric provides comfort and aesthetics, but it develops fuzz and fluff over time affecting appearance

Engineering Contradiction:
Improvewear-induced fuzzingVSAvoidfabric composition stability
Core Design Contradiction:
Object-affected harmful factorsVSStability of the object's composition

Solution Approach 1:

The polyester-linen composite structure prevents fuzzing because polyester fibers are more resistant to abrasion and do not easily shed or form pills. The stable composite construction maintains consistent fiber arrangement even after prolonged friction exposure, preserving the fabric's smooth appearance.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent specifies precise weaving parameters including 8 strips/cm warp density and 9.2 strips/cm weft density, with a 1:1 ratio of polyester to linen. These controlled parameters optimize the fabric structure to resist fuzz formation while maintaining aesthetic qualities.

Inventive Principle:
Principle #35Parameter changes

3Duration of action of stationary object

If conventional seat fabrics are used, then manufacturing is simple and cost-effective, but the fabric lacks tear resistance and durability

Engineering Contradiction:
Improveservice lifeVSAvoidfabric manufacturing complexity
Core Design Contradiction:
Duration of action of stationary objectVSEase of manufacture

Solution Approach 1:

While the composite polyester-linen fabric requires slightly more complex manufacturing than pure linen, the standardized weaving process and clear material specifications maintain reasonable manufacturing simplicity. The significant gain in tear resistance and service life justifies the moderate increase in manufacturing complexity.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentEP3587638B1Woven fabric for seats
Publication Date: 2021.05.19 DONGGUAN SHICHANG METALS FACTORY LTD
  • EP3587638B1 patent drawingFigure 1
  • EP3587638B1 patent drawingFigure 2
  • EP3587638B1 patent drawingFigure 3

AI summary

A woven fabric for seats is made of warps and wefts woven into a pattern with a ratio of 1:1, wherein the warps density is 8 strips per unit length and the wefts density is 9.2 strips per unit length. Grams per square meter of the woven fabric is 320. The warps and wefts are both made of polyester and linen, wherein the polyester comprises 94% by weight and the linen comprises 6% by weight.