Image Forming System with Separable Two-Ply Sheet Lamination
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Solution Overview
Problem
Existing image forming systems are limited in the types and shapes of inner sheets that can be laminated, as they require sheets to be fed from a specific tray and lack the functionality to perform heat pressing independently, restricting their versatility compared to dedicated laminators.
Innovation Solution
An image forming system that includes a sheet processing apparatus, a heat presser, and control circuitry to separate and re-laminate two-ply sheets, allowing for the insertion and heat pressing of various sheet media, including those not typically fed by the image forming apparatus, and enabling user-controlled lamination modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the two-ply sheet is separated and an inner sheet is sandwiched between the separated sheets in the post-processing apparatus, then lamination can be performed, but the types and shapes of inner sheets are limited to those that can be fed from the sheet feed tray or image forming apparatus
Solution Approach 1:
The system is divided into two independent functional modules: a sheet processing apparatus for separating the two-ply sheet and sandwiching the inner sheet, and a heat presser for performing heat pressing. This segmentation allows each module to be optimized independently, enabling the heat presser to handle diverse sheet types without requiring complex feeding mechanisms.
Solution Approach 2:
The heat presser is designed to perform only heat pressing function, making it a universal device that can process any sheet type placed on its heating surface. By removing the feeding function, the device becomes versatile in handling different sheet types and shapes that cannot be fed by traditional sheet feed trays.
2Adaptability or versatility
If the post-processing apparatus performs both sheet feeding and heat pressing functions, then it can handle various sheet types, but it cannot substitute for a dedicated laminator that performs only heat pressing
Solution Approach 1:
The system separates the sheet feeding function (performed by the sheet processing apparatus) from the heat pressing function (performed by the dedicated heat presser). This allows the heat presser to operate continuously without waiting for sheet preparation, improving overall lamination productivity.
Solution Approach 2:
The sheet processing apparatus independently performs sheet separation and inner sheet sandwiching operations, preparing the sheet set for the heat presser. This self-service capability allows the heat presser to focus solely on heat pressing, optimizing its productivity.
3Ease of operation
If the image forming apparatus feeds sheets for lamination, then the process is automated, but sheets not typically handled by the apparatus cannot be laminated
Solution Approach 1:
Instead of requiring the image forming apparatus to feed all types of sheets, the system inverts the approach: the user manually places diverse sheet types on the heat presser's heating surface, and the apparatus performs heat pressing. This inversion enables handling of sheet types that cannot be fed by the image forming apparatus while maintaining automation for the heat pressing process.
Solution Approach 2:
The heat presser acts as an intermediary device between the user and the lamination process. It receives various sheet types from the user, performs heat pressing, and produces laminated sheets, bridging the gap between manual sheet preparation and automated heat pressing.
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 solution enhances the versatility of the image forming system by allowing the lamination of diverse sheet types and sizes, including those not typically handled, and reduces downtime by enabling off-line lamination processing, thus improving user convenience and energy efficiency.
Implementation Method 1
The heat presser heats and presses the two-ply sheet
Data Source
AI summary
An image forming system includes a sheet processing apparatus, a heat presser, an image forming apparatus, and control circuitry. The sheet processing apparatus separates a two-ply sheet in which two sheets are overlaid and bonded together at a portion of the two-ply sheet, and sandwiches a sheet medium between the sheets of the two-ply sheet. The heat presser heats and presses the two-ply sheet. The control circuitry performs a first mode to cause the sheet processing apparatus to sandwich the sheet medium, on which an image has been formed by the image forming apparatus, between the two sheets of the two-ply sheet and cause the heat presser to laminate the two-ply sheet, and a second mode to cause the heat presser to laminate a sheet set that includes the sheet medium sandwiched between the two sheets of the two-ply sheet by a user.