Pressure Pad Orientation Features for Reliable Tube Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pressure pads and countersealing members in packaging assemblies for pourable products fail to ensure effective sealing, particularly in the presence of small solid particles, leading to potential leaks and compromised aseptic properties.
Innovation Solution
The introduction of pressure elements with engagement features, such as inclined surfaces and guide walls, ensures proper orientation and fitting of pressure pads to countersealing members, preventing erroneous installation and ensuring consistent sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pressure pads are used without engagement features, then the device complexity is reduced, but the reliability of sealing operations deteriorates due to potential erroneous installation and inconsistent sealing
Solution Approach 1:
The pressure pad incorporates asymmetric engagement features including an inclined surface on one end and a guide wall on the opposing side. These asymmetric geometric features ensure the pressure pad can only be installed in the correct orientation, preventing erroneous installation while maintaining a relatively simple overall structure.
Solution Approach 2:
The engagement features (inclined surface and guide wall) are pre-configured on the pressure pad before installation. These features perform the preliminary action of guiding and orienting the pressure pad during the fitting process, ensuring correct alignment with the countersealing member before the sealing operation begins.
2Manufacturing precision
If pressure pads with engagement features are introduced, then the manufacturing precision of sealing operations is improved through consistent alignment, but the ease of manufacture deteriorates due to additional geometric features
Solution Approach 1:
The asymmetric engagement features (inclined surface and guide wall) provide precise geometric constraints that ensure consistent alignment during sealing operations. While these features add some manufacturing complexity, they are straightforward geometric elements that can be integrated into existing pressure pad manufacturing processes.
Solution Approach 2:
The engagement features are localized to specific regions of the pressure pad (one end with inclined surface, opposing side with guide wall) rather than requiring complex features throughout the entire component. This localized approach maintains ease of manufacture while achieving the desired alignment precision where it is most needed.
3Reliability
If pressure pads are fitted without orientation guidance, then the ease of operation is improved, but the consistency of sealing deteriorates due to potential incorrect orientation
Solution Approach 1:
The asymmetric engagement features create a self-guiding installation process where the inclined surface and guide wall naturally direct the operator to insert the pressure pad in the correct orientation. This eliminates the need for complex alignment procedures while ensuring consistent sealing performance.
Solution Approach 2:
The engagement features enable the pressure pad to self-align and self-orient during installation. The geometric constraints of the inclined surface and guide wall automatically guide the pressure pad into the correct position and orientation, reducing the skill and attention required from the operator while ensuring consistent results.
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 configuration enhances the reliability of sealing operations, reducing the risk of leaks and maintaining aseptic integrity by ensuring correct alignment and fitting of pressure pads, thus improving the quality of sealed packages.
Implementation Method 1
each pressure pad (13) comprises at least one engagement element (18) configured to cooperate with a complementary engagement element (19) carried by the countersealing member (10) to guide the pressure pad (13) according to a predetermined orientation during fitting of the pressure pad (13) to the countersealing member (10)
Data Source
Figure 1
Figure 2
Figure 3~5
AI summary
There is described a pressure element (13) for a sealing device (7) having a sealing member (8) and a countersealing member (10) facing one another and configured to be pressed against one another to seal therebetween a tube (2) of packaging material adapted to be filled with a pourable product, the pressure element (13) comprises a fitting portion (15) configured to be fitted to the countersealing member (10) and a contact portion (17) defining a contact surface facing, in use, the sealing member (8) and configured to interact with a sealing element (11) of the sealing member (8) to press and seal the tube (2) therebetween; the pressure element (13) comprises at least one engagement element (102) configured to cooperate with a complementary engagement element (103) carried by the countersealing member (10) to guide the pressure element (13) according to a predetermined orientation during fitting of the pressure element (13) to the countersealing member (10).