Crimp Binding Control for Media Bundles Under Liquid Evaporation Delay
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing medium processing apparatuses face issues with maintaining appropriate binding strength due to evaporation of applied liquid when crimping and binding are delayed, often caused by paper jams or other conveyance path troubles.
Innovation Solution
A medium processing apparatus with a tray, liquid applier, and crimper, controlled by a control unit, applies liquid to media and re-applies it when necessary to ensure binding occurs within a threshold time, preventing evaporation and ensuring strong crimping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If liquid is applied to medium in advance to facilitate biting of binding teeth, then ease of operation is improved, but liquid evaporates when crimping is delayed causing loss of substance
Solution Approach 1:
The liquid applier applies liquid to the medium in advance before crimping, preparing the medium surface to facilitate biting of binding teeth. The control unit tracks elapsed time and schedules reapplication before the medium reaches the tray, ensuring liquid is present when needed without excessive evaporation.
Solution Approach 2:
The control unit measures elapsed time since liquid application and uses this feedback to determine when reapplication is needed. The system monitors the timing between liquid application and medium conveyance, triggering reapplication only when the elapsed time reaches a threshold that would otherwise cause evaporation problems.
2Strength
If liquid is reapplied to all media, then binding strength is maintained, but productivity decreases due to additional processing time
Solution Approach 1:
The system applies liquid selectively based on individual medium characteristics and timing. The control unit determines which specific media need reapplication based on elapsed time calculations, rather than uniformly treating all media. This localized approach maintains binding strength where needed while avoiding unnecessary processing elsewhere.
Solution Approach 2:
The system performs partial reapplication only when the elapsed time reaches a threshold, rather than continuously reapplying to all media. This partial action approach ensures binding strength is maintained when necessary while minimizing additional processing time and maintaining productivity.
3Strength
If crimping is performed immediately after liquid application, then binding strength is improved, but adaptability decreases when conveyance troubles occur
Solution Approach 1:
The system dynamically adjusts the liquid application schedule based on actual medium conveyance timing. The control unit calculates elapsed time for each medium and determines reapplication needs in real-time, allowing the system to adapt to varying conveyance speeds and delays while maintaining appropriate binding conditions.
Solution Approach 2:
The system changes the liquid application parameters (timing, frequency) based on elapsed time and conveyance conditions. When conveyance is delayed, the control unit adjusts by triggering reapplication at appropriate intervals, maintaining binding strength despite variations in processing timing.
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
This approach ensures consistent and appropriate binding strength by maintaining liquid application until the binding process, addressing the issue of evaporation and paper jams.
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
Figure 1
Figure 2
Figure 3
AI summary
A medium processing apparatus (3) includes a tray (22), a liquid applier (31), a crimper (32), and a control unit (100a, 100b). The control unit (100a, 100b) is to measure an elapsed time after an application process is executed on a first medium (P1) of a media bundle (Pb), control the liquid applier (31) to reapply the liquid to the first medium (P1) when the elapsed time reaches a threshold time before a second medium (P2) is conveyed to the tray (22), control the liquid applier (31) not to reapply the liquid to the first medium (P1) when the second medium (P2) is conveyed to the tray (22) before the elapsed time reaches the threshold time, and control the crimper (32) to execute the binding process on the media bundle (Pb) including the first medium (P1) and the second medium (P2).