Self-Inking Stamp With Integrated UV Curing For Blurred Impressions
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Solution Overview
Problem
Existing stamping processes using UV-curable ink face challenges with blurring on difficult surfaces like glass, metal, and cardboard, and require additional devices for curing, which can lead to inefficiencies and safety concerns.
Innovation Solution
A self-inking stamp with integrated UV irradiation sources and a controller that activates during the stamping process, ensuring rapid curing of the ink on various surfaces without the need for external devices, while minimizing energy consumption and ensuring eye safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If UV irradiation sources are integrated into the stamp, then curing speed and clarity are improved, but device complexity increases
Solution Approach 1:
The patent combines the stamping function and UV curing function into a single integrated stamp device. The UV irradiation sources are built directly into the stamp structure, allowing the stamp to both apply ink and cure it in one operation. This merging of functions resolves the contradiction by achieving fast curing (improving productivity) while keeping the device compact and self-contained (managing complexity through integration rather than addition of separate systems).
Solution Approach 2:
The stamp serves multiple functions: it acts as both the stamping tool that applies UV-curable ink and the curing device that irradiates the ink with UV light. The controller integrated into the stamp manages both the stamping mechanism and the UV irradiation sources. This multi-functionality allows rapid curing without requiring separate external devices, thereby improving productivity while containing the device complexity within a single versatile tool.
2Ease of operation
If UV irradiation sources are integrated into the stamp, then additional components are eliminated, but manufacturing complexity increases
Solution Approach 1:
By merging the stamping and curing functions into one integrated unit, the patent eliminates the need for separate external curing devices. This integration simplifies the user operation (improving ease of operation) as they only need to use the stamp itself, while the manufacturing complexity is concentrated in the integration process rather than in coordinating multiple separate devices.
Solution Approach 2:
The stamp is designed to be self-sufficient, with all necessary components (irradiation sources, controller, energy source) integrated into the stamp body. This self-service design allows the stamp to perform both stamping and curing without external assistance, improving ease of operation. The manufacturing complexity is managed by designing the stamp as a complete self-contained unit that can be produced as a single integrated product rather than requiring assembly of multiple separate components.
3Loss of time
If controller is activated during stamping process, then curing time is reduced, but energy consumption increases
Solution Approach 1:
The controller is activated during the stamping process itself, before the stamp is lifted from the surface. This preliminary activation ensures that UV irradiation begins immediately as the ink is applied, maximizing curing efficiency and minimizing total curing time. The energy consumption is optimized by deactivating the irradiation sources as soon as the stamping action is complete, avoiding unnecessary energy waste while ensuring the ink is cured during the brief moment when it is most vulnerable to blurring.
Solution Approach 2:
The UV irradiation sources are activated periodically during the stamping process rather than continuously. The controller manages the timing, activating the irradiation sources during the stamping action and deactivating them when the stamp is lifted. This periodic activation reduces overall energy consumption compared to continuous irradiation, while still achieving rapid curing by ensuring the ink receives UV exposure during the critical stamping window.
4Manufacturing precision
If UV irradiation sources are arranged on the stamp, then blurring is prevented, but UV exposure to user increases
Solution Approach 1:
The UV irradiation sources are positioned locally on the stamp, directing UV radiation precisely onto the stamped area. This localized irradiation ensures that only the ink on the surface receives UV exposure, achieving rapid curing and preventing blurring (improving impression clarity). The user's exposure to UV radiation is minimized because the sources are contained within the stamp structure and directed only at the work area, not radiating broadly toward the user.
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
The solution allows for clear, rapid drying of stamp impressions on diverse surfaces without blurring, reduces curing time, and enhances user safety by minimizing exposure to UV radiation, all while integrating necessary components into the stamp for straightforward handling.
Implementation Method 1
at least one or a plurality of irradiation sources arranged on the stamp is or are, respectively, switched on, with UV rays aligned in the direction of a printing surface for the curing of the ink
Implementation Method 2
curing of the ink... UV-curable ink... for the curing of the ink
Data Source
AI summary
A method includes producing a stamp impression with UV-curable ink with a preferably self-inking stamp. A stamp for this purpose, includes a text plate with the negative stamp impression is moved from a resting position into a stamping position, whereby in the stamping position the stamp impression with the ink is produced on a preferably smooth surface of a document or object or workpiece, and then the text plate is returned to the resting position, wherein a controller is activated, wherein for the curing of the ink at least one or several irradiation sources arranged on the stamp is or are, respectively, switched on, with UV rays aligned in the direction of a printing surface.