Liquid Reapplication Control in Crimp Binding for Paper Jams
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Solution Overview
Problem
Crimping binding processes face difficulties in maintaining binding strength due to evaporation of applied liquid when paper jams occur, leading to inadequate binding of sheet bundles.
Innovation Solution
A medium processing apparatus with a tray, liquid applier, and crimper, controlled by circuitry, applies liquid to media and re-applies it when necessary, ensuring timely binding processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If liquid is applied to the medium in advance to facilitate biting of binding teeth, then binding facilitation is improved, but liquid evaporation occurs when paper jams occur, leading to insufficient binding strength
Solution Approach 1:
The control circuitry monitors the operational state of the crimper and detects paper jam conditions. When a jam is detected, the system automatically triggers the liquid applier to reapply liquid to the medium, ensuring binding strength is maintained despite delays caused by jams.
Solution Approach 2:
The liquid applier applies liquid to the medium in advance of the binding operation, preparing the medium for easier biting by the binding teeth. The system also reapplies liquid if delays occur, ensuring the medium remains in the optimal state for binding.
2Reliability
If liquid is reapplied to the medium, then binding strength is maintained, but device complexity increases due to control circuitry and timing mechanisms
Solution Approach 1:
The control circuitry automatically manages the liquid reapplication process based on detected conditions. The system self-regulates by monitoring crimping delays and triggering liquid reapplication without manual intervention, reducing the need for complex external control mechanisms.
3Manufacturing precision
If the crimper waits for the media bundle to be ready for binding, then binding quality is improved, but time loss occurs when paper jams occur in the conveyance path
Solution Approach 1:
While the crimper waits for the media bundle to be ready, the liquid applier continuously maintains the medium in a binding-ready state by applying or reapplying liquid as needed. This ensures that when binding occurs, the medium is optimally prepared, eliminating quality compromises due to delays.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures consistent binding strength by reapplying liquid before the threshold time, addressing the issue of evaporation and maintaining the integrity of the sheet bundle.
Implementation Method 1
when a long time elapses without being crimped and bound due to a trouble such as paper jamming of the medium in the conveyance path (so-called jam), the liquid applied to the medium evaporates
Data Source
AI summary
A medium processing apparatus includes a tray, a liquid applier, a crimper, and circuitry. The crimper crimps and binds a media bundle including the medium to which the liquid is applied by the liquid applier as a binding process. The circuitry is to measure an elapsed time after the application process is executed on a first medium of the media bundle, control the liquid applier to reapply the liquid to the first medium as a reapplication process when the elapsed time reaches a threshold time before a second medium is conveyed to the tray, control the liquid applier not to reapply the liquid to the first medium as the reapplication process when the second medium is conveyed to the tray before the elapsed time reaches the threshold time, and control the crimper to execute the binding process on the media bundle including the first medium and the second medium.