Pharmaceutical Container Laser Marking Without Strength Loss
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Solution Overview
Problem
Conventional methods for identifying pharmaceutical containers, such as labels and printed codes, are prone to peeling, fading, and vanishing under extreme conditions, leading to potential health risks and increased costs due to incorrect identification and disposal issues, especially in the pharmaceutical industry where container durability and reliability are critical.
Innovation Solution
A container with a marking element is designed using finite element method simulations to determine stress parameters, allowing for the permanent engraving of identification codes without compromising the container's strength, using techniques like laser ablation or etching, which are durable and fail-safe, applicable to various container geometries and sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If labels are glued on the container surface, then identification can be provided, but the labels may peel off under extreme conditions and during handling
Solution Approach 1:
The patent removes the label from the container surface and replaces it with a marking element that is directly formed on the container body through laser marking. This extraction of the label eliminates the adhesion problem entirely, as the identification is now an integral part of the container structure rather than a separate component that can detach.
Solution Approach 2:
The patent merges the identification function with the container body itself by creating a marking element directly on the container surface through laser marking. This combining of the identification layer with the substrate eliminates the interface between label and container that causes peeling, making the identification permanent and reliable under extreme conditions.
2Reliability
If codes are printed directly on the container using ink, then identification can be provided, but the codes may vanish when exposed to water or extreme conditions
Solution Approach 1:
The patent replaces the chemical printing process (ink application) with a physical laser marking process. Instead of applying a separate material layer that can degrade or wash off, the laser marking directly modifies the container surface material to create the identification, making it resistant to water and extreme conditions.
Solution Approach 2:
The patent changes the physical-chemical parameters of the container surface through laser marking, creating a permanent marking by altering the material properties at the marked locations. This parameter change approach creates an identification that is intrinsic to the container material itself, rather than a superficial coating that can be compromised by environmental factors.
3Reliability
If laser ablation techniques are used to grave marking elements, then durability and reliability are improved, but the container strength may be compromised due to surface damage
Solution Approach 1:
The patent applies laser marking with controlled parameters to create localized surface modifications only where the marking element is needed, rather than affecting the entire container surface. This local quality approach ensures that the marking provides durable identification while minimizing impact on the overall structural integrity of the container.
Solution Approach 2:
The patent uses controlled laser marking that removes only a minimal amount of material - just enough to create a visible and durable marking element without excessively compromising the container wall thickness or structural strength. This partial action approach balances marking durability with container integrity.
4Loss of information
If labels are used for identification, then unique identification codes can be provided, but the production process becomes slow and complicated
Solution Approach 1:
The patent combines the identification marking process with the container manufacturing process itself, allowing the marking element to be created directly on the container body in one step without requiring separate labeling operations. This integration eliminates the time-consuming steps of label application and code printing, significantly improving production efficiency.
Solution Approach 2:
The patent enables continuous laser marking that can operate at high speeds along the production line, maintaining uninterrupted marking of containers as they move through the manufacturing process. This continuous action approach eliminates the stop-and-go nature of traditional labeling methods, thereby increasing productivity.
5Manufacturing precision
If printing methods are used to create identification codes, then codes can be applied to containers, but the code size is limited and cannot be reduced sufficiently for small containers
Solution Approach 1:
The patent replaces traditional printing methods with laser marking technology, which uses focused light energy to create markings without physical contact. This substitution enables much finer feature sizes and higher resolution markings, allowing identification codes to be dramatically reduced in size while maintaining readability and adaptability to small container surfaces.
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 provides a reliable, durable, and cost-effective method for container identification that withstands handling and environmental stresses, ensuring accurate tracking and reducing disposal and service costs while maintaining container strength and stability.
Implementation Method 1
providing the marking element comprises the step of: ablating and/or etching at the identified location material from at least one surface area of the body, preferably by means of at least one first laser
Data Source
Figure 1~2a
Figure 2b~2c
Figure 3a
AI summary
The present invention relates to a container, for holding at least one pharmaceutical composition, comprising a body which has at least one marking element and to a method for producing a container, preferably a container according to the present invention.