Seat cladding and method for manufacturing the same

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Solution Overview

Problem

Existing seat cover manufacturing processes are inefficient, costly, and wasteful, lacking in functionality and comfort, with conventional methods requiring multiple steps and materials that do not integrate functional elements effectively.

Innovation Solution

A three-dimensionally knitted seat covering with integrated functional elements, such as channels and hook-and-loop fasteners, produced using a 3D knitting process that eliminates seams and additional post-processing steps, allowing for cost-effective, sustainable, and adaptable seat covers with enhanced comfort and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional manufacturing processes are used to produce seat covers, then the production process is simple and easy to understand, but the manufacturing efficiency is low, production time is long, and material waste is high

Engineering Contradiction:
Improvemanufacturing efficiencyVSAvoidprocess complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent combines multiple manufacturing operations (knitting, shaping, and functional element integration) into a single 3D knitting process. The seat cover is produced as one integrated piece without requiring separate cutting and sewing steps, thereby dramatically improving manufacturing efficiency while the 3D knitting technology manages the process complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The 3D knitting process is divided into functional zones that are knitted with different structures and properties. Different regions of the seat cover can have varying knit patterns, densities, and embedded functional elements, allowing complex functionality to be achieved through segmented design rather than complex post-processing.

Inventive Principle:
Principle #1Segmentation

2Loss of substance

If conventional cutting and sewing processes are used, then the manufacturing process is straightforward, but material waste is significant and production time increases

Engineering Contradiction:
Improvematerial wasteVSAvoidproduction time
Core Design Contradiction:
Loss of substanceVSLoss of time

Solution Approach 1:

The seat cover is knitted directly into its final three-dimensional shape with all necessary features (openings, channels, reinforcement zones) integrated during the knitting process itself. This preliminary formation of the final shape eliminates the need for subsequent cutting operations, preventing material waste and reducing production time.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The 3D knitting process dynamically changes knitting parameters (needle selection, yarn feed rate, stitch pattern) during production to create different fabric properties in different zones. This allows the material structure itself to adapt to functional requirements without requiring additional processing steps or material additions.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If functional elements are added through additional manufacturing steps, then the functional elements can be integrated, but the manufacturing process becomes more complex and costly

Engineering Contradiction:
Improvefunctional integrationVSAvoidmanufacturing simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

Functional elements such as channels for cables, openings for displays, and reinforcement zones are merged into the seat cover design and produced simultaneously with the main body through the 3D knitting process. This integration eliminates separate manufacturing steps for adding these features, maintaining manufacturing simplicity while achieving high adaptability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The 3D knitting process can incorporate different types of yarns and materials within the same fabric structure. Functional elements are created using specialized yarns (e.g., conductive yarns for sensors, reinforced yarns for structural zones) that are integrated into the knit structure, creating a composite material system with multiple functions in one homogeneous manufacturing process.

Inventive Principle:
Principle #40Composite materials

4Reliability

If multiple separate pieces are sewn together to create the seat cover, then the cover can be manufactured with standard materials, but the seams reduce durability and increase production complexity

Engineering Contradiction:
Improveseamless durabilityVSAvoidmanufacturing process complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The entire seat cover is produced as one continuous knitted piece without seams or joints. The 3D knitting process creates a monolithic structure where all sections are interconnected through the knit fabric itself, eliminating weak points at seams and significantly improving durability and reliability.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3753783B1Seat cladding and method for manufacturing the same
Publication Date: 2023.08.09 FORD GLOBAL TECH LLC
  • EP3753783B1 patent drawingFigure 1~2
  • EP3753783B1 patent drawingFigure 3~4
  • EP3753783B1 patent drawingFigure 5~6

AI summary

The invention relates to a seat cover (1), for example for a vehicle seat (2), comprising a three-dimensionally knitted cover body (10) and at least one functional element integrated into the cover body (10). The invention further relates to a method for manufacturing such a seat cover (1). The seat cover (1) according to the invention can be manufactured cost-effectively, quickly, and sustainably, and can fulfill a number of different functions. Furthermore, such a seat cover (1) facilitates draping on a seat and ensures greater seating comfort.