Spliced Document Mask for Automated Rejection
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Solution Overview
Problem
High-speed mailing systems face interruptions and increased costs due to the presence of press splices in preprinted document rolls, which require manual detection and handling, leading to reduced throughput and additional processing time.
Innovation Solution
A document product with a transverse mask is introduced near the press splice to automatically reject spliced documents during high-speed processing, preventing them from being printed or further used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual detection and handling of press splices is implemented, then spliced documents can be identified and removed, but processing throughput decreases and additional processing time is required
Solution Approach 1:
The patent replaces manual mechanical detection and handling of press splices with an automated optical detection system using sensors and image processing. The system automatically identifies press splices through optical scanning and triggers automated rejection mechanisms, eliminating the need for manual intervention while maintaining quality control and preserving high processing throughput.
2Reliability
If press splices are removed from the production line, then document quality is maintained, but processing interruptions occur and costs increase
Solution Approach 1:
The patent implements preliminary automatic detection of press splices during the printing process using optical sensors. By detecting splices before they cause quality issues and automatically triggering rejection mechanisms, the system prevents defective documents from entering the production stream while maintaining continuous operation without processing interruptions.
Solution Approach 2:
The patent employs a feedback system where optical sensors continuously monitor the document stream for press splices, and the detection signal immediately triggers automated rejection mechanisms. This closed-loop feedback ensures that only defective documents are removed while the production line continues operating at full speed without interruptions.
3Productivity
If continuous high-speed operation is maintained, then productivity is maximized, but press splices cannot be detected and removed, leading to defective documents
Solution Approach 1:
The patent replaces manual detection methods with automated optical sensing systems that operate at high speeds alongside the production line. The optical sensors and image processing systems can identify press splices in real-time during continuous high-speed operation, enabling both maximum productivity and document quality control simultaneously.
Solution Approach 2:
The patent implements a self-service system where the production line automatically detects and rejects defective documents containing press splices without external intervention. The automated optical detection and rejection mechanisms enable the system to maintain high-speed continuous operation while self-correcting quality issues, preserving both productivity and document quality.
Data Source
AI summary
A document product includes a web having a transverse splice therein. A mask is formed near the splice and is subsequently used for automatically rejecting a spliced document.