Elongated Element Decorating Apparatus with Segmented Units
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Solution Overview
Problem
Existing methods for decorating elongated elements, such as section bars, are laborious and costly due to the need for rotating and repositioning the elements within decorating apparatuses, leading to increased production time and risk of damage, and often result in inadequate ink adhesion, especially under harsh conditions.
Innovation Solution
An apparatus and method that allow for simultaneous decoration of multiple surfaces of an elongated element in a single step, using an advancing arrangement with dedicated decorating devices for each surface and a preheating device to enhance ink adhesion, eliminating the need for rotation and repositioning, and applying sublimable ink directly to the element in a flowable state to improve adhesion without using transfer supports.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the section bar is rotated and repositioned to decorate multiple surfaces, then all surfaces can be decorated, but the process time increases and production costs increase
Solution Approach 1:
The decorating apparatus is divided into multiple independent decorating units, with each unit dedicated to decorating a specific surface of the section bar. This segmentation allows simultaneous decoration of multiple surfaces without requiring rotation or repositioning operations, thereby reducing process time while maintaining the ability to decorate all surfaces.
Solution Approach 2:
The invention transitions from a sequential decoration process (decorating one surface at a time through rotation) to a parallel process by arranging decorating units in spatial dimensions. Multiple surfaces are decorated simultaneously at different positions along the section bar, converting time-consuming sequential operations into concurrent spatial operations.
2Adaptability or versatility
If the section bar is rotated and repositioned, then multiple surfaces can be decorated, but the risk of accidental damage increases
Solution Approach 1:
By segmenting the decoration process into independent units for each surface, the invention eliminates the rotation and repositioning operations that cause accidental damage. Each surface is decorated in place by its dedicated unit, preventing knock-on damage to already decorated surfaces while maintaining comprehensive surface coverage.
3Ease of manufacture
If UV ink is used for decoration, then the decorative layer can be applied, but the adhesion is insufficient for hard uses
Solution Approach 1:
The invention changes the physical state parameter of the ink from liquid UV ink to sublimable powder. This parameter change enables the ink to penetrate and bond with the section bar surface through sublimation, providing superior adhesion for hard uses while maintaining ease of application through the sublimation process.
Solution Approach 2:
The invention utilizes the sublimation phase transition of the decorative material to improve adhesion. The sublimable ink transitions from solid to gas and back to solid, penetrating the section bar surface and forming strong bonds, thereby enhancing adhesion performance compared to conventional UV ink application.
4Reliability
If the sublimation process is used to improve adhesion, then ink adhesion is enhanced, but the apparatus complexity increases
Solution Approach 1:
The sublimation apparatus is segmented into multiple independent units, each dedicated to a specific surface. This segmentation simplifies the overall system by allowing each unit to be a compact, self-contained sublimation device, reducing the complexity compared to a single large complex system while maintaining enhanced adhesion through the sublimation process.
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
Significantly reduces decoration time and production costs, minimizes the risk of accidental damage, and enhances ink adhesion even in harsh environments, simplifying the sublimation process and reducing material costs.
Implementation Method 1
a preheating device for acting on said elongated element before said decorating, so as to enhance adhesion of the ink to said elongated element
Implementation Method 2
the decorative pattern sublimes, i.e. passes directly from solid state to gaseous state and transfers from the transferring support to the section bar
Data Source
AI summary
A decorating apparatus comprises an advancing arrangement for advancing an elongated element in an advancing direction substantially parallel to the longitudinal axis of the elongated element and a plurality of decorating devices positioned downstream one another along the advancing arrangement for decorating distinct surfaces of said elongated element, each decorating device comprising a decorating unit for decorating a respective surface of the elongated element, the decorating unit comprising:a transferring device for transferring a flowable material on the elongated element, including a transferring roller rotatable around a rotation axis and arranged for interacting with the elongated element, the transferring roller being made of deformable material so that non-flat surfaces can be decorated;a kiln arrangement arranged downstream of the transferring device for heating said flowable material applied to said elongated element.