Automated Screen Printing Workflow for Custom Apparel

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Solution Overview

Problem

Current screen printing methods for custom apparel require manual labor and are economically inefficient for small quantities, lacking an online system to convert digital images into custom screen printed products without manual editing.

Innovation Solution

A computer-based system and method that converts digital graphic files into screen printed products, enabling fully automated processes for color separation, image transformation, and online user feedback, eliminating the need for manual art services and providing automated image processing for various substrates.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual screen printing methods are used, then color saturation and durability are improved, but labor intensity and production time increase

Engineering Contradiction:
Improvecolor saturationVSAvoidproduction efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent replaces manual mechanical screen printing operations with an automated computer-controlled system. The computer reads digital artwork files and automatically controls the screen printing process, including screen positioning, ink application, and printing parameters, thereby maintaining high color saturation while eliminating manual labor and increasing productivity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-service operation where the computer automatically processes the printing task based on digital artwork files without requiring manual intervention for each printing operation. The automated control system manages the entire printing process, from reading the artwork to executing the print, allowing continuous operation and improved efficiency.

Inventive Principle:
Principle #25Self-service

2Manufacturing precision

If manual art services are used for screen printing preparation, then printing quality is maintained, but cost and time consumption increase

Engineering Contradiction:
Improveprinting qualityVSAvoidpreparation time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The patent replaces manual art services with computer-based automated artwork processing. The computer automatically reads, processes, and prepares digital artwork files for screen printing, eliminating the need for manual artwork creation and preparation while maintaining or improving printing quality through precise digital control.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system uses digital copies of artwork stored in computer files as the basis for printing, replacing manual artwork creation. The digital artwork file serves as a reusable template that can be stored, modified, and printed repeatedly without requiring manual recreation, significantly reducing preparation time and cost.

Inventive Principle:
Principle #26Copying

3Reliability

If traditional screen printing is used for custom products, then product quality is improved, but adaptability to digital images and online customization is reduced

Engineering Contradiction:
Improveproduct qualityVSAvoiddigital image compatibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent replaces traditional manual screen printing with a computer-controlled automated system that can directly process digital images from various sources including online uploads. The computer reads digital artwork files and automatically translates them into screen printing instructions, enabling seamless integration with online customization platforms while maintaining product quality.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system is designed to handle multiple types of digital image formats and sources, making it universally compatible with various customization requirements. The computer-based system can process different file types, resolutions, and formats, allowing the same equipment to serve both traditional and digital customization needs.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3654629B1Screen printing techniques
Publication Date: 2024.08.14 ZAZZLE INC
  • EP3654629B1 patent drawingFigure 1
  • EP3654629B1 patent drawingFigure 2A
  • EP3654629B1 patent drawingFigure 2B

AI summary

Data processing methods provide a work flow for producing custom screen printed products based on digital images. Disclosed techniques include a work flow for receiving user-supplied images and transforming the images into color separation data and related metadata that can drive screen printing, including previewing the appearance of the products as they will appear when screen printed, for user approval; finding key color components using a filtering and grouping approach; image resolution limiting; structured error diffusion halftoning with an improved random number generator for use in adding blue noise; error diffusion dot spread correction; and others.