Hinged Flap Capsule Cover for Central Substrate Dispensing
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Solution Overview
Problem
Existing plastic capsules with integrated dispensing devices often have complex and expensive designs, where the sealing film or cover plunges into liquids, making it difficult to remove the capsule cleanly, and the dispensing process is prone to errors with substrates not being dispensed centrally and completely.
Innovation Solution
A plastic capsule design featuring a capsule body with a movable opening mechanism that includes flaps connected by hinges, allowing controlled central dispensing of substrates into a mixing container, with a restoring force mechanism to ensure clean removal and precise dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sealing film or closing cover is used to seal the capsule chamber, then the capsule can be sealed for receiving substrates, but the film or cover plunges into the liquid of the mixing container and remains in the open position, making it almost impossible to cleanly remove the plastic capsule from the mixing container
Solution Approach 1:
The capsule cover is segmented into multiple flaps (typically three) that are hinged to the cover body. Each flap can move independently to allow substrate dispensing while maintaining overall cover attachment to the capsule body, preventing the cover from plunging into the mixing container
Solution Approach 2:
The hinged flap design with peripheral fastening edge creates a mechanical constraint that prevents the cover from fully opening and plunging into the liquid. The hinge axis and fastening edge work together to limit the opening motion, providing preliminary prevention against the harmful effect of cover submersion
2Productivity
If the sealing film is cut or torn open, then the substrate can be dispensed, but the film cannot be torn or cut open in a controlled manner, making handling of the plastic capsule prone to error
Solution Approach 1:
The capsule cover transitions from a static sealed state to a dynamic partially open state through the hinged flap mechanism. The flaps can rotate on their hinges to control the opening degree, allowing dynamic adjustment of the dispensing aperture while maintaining controlled handling
Solution Approach 2:
The cover is divided into multiple hinged flaps that can open independently or collectively, providing controlled dispensing pathways. This segmentation allows precise control over substrate release while maintaining ease of operation through simple flap rotation
3Productivity
If the ejector moves in the direction of the sealing film to cut through it, then the substrate can exit the capsule, but the substrate is dispensed uncontrollably and often along the peripheral edge region, causing powdery or grainy substrate to get stuck to the interior surface of the container neck
Solution Approach 1:
The hinged flaps create multiple controlled dispensing channels rather than a single uncontrolled opening. This segmentation directs substrate flow through defined pathways, preventing uncontrolled peripheral dispensing and reducing substrate adhesion to container surfaces
Solution Approach 2:
The hinged flaps act as intermediaries between the ejector force and the substrate. They control and direct the substrate flow centrally through the opening, mediating the dispensing process to prevent peripheral edge dispensing and substrate sticking
4Ease of operation
If the closing cover is pressed out of the latching connection with relatively high level of exertion, then the closing cover can be opened, but the hinged bridge may break and the closing cover falls into the mixing container
Solution Approach 1:
The hinged flap design allows progressive opening through rotation rather than requiring high force to break a rigid connection. The hinge provides a dynamic, flexible connection that rotates under applied force, distributing stress and preventing sudden failure of the hinged bridge
Solution Approach 2:
The hinge changes the mechanical parameters of the connection from a rigid latching interface requiring high breaking force to a rotational joint allowing controlled opening with lower force. This parameter change preserves hinged bridge integrity while enabling cover opening
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 design allows for controlled, central dispensing of substrates and easy removal of the capsule from the mixing container, reducing handling errors and ensuring complete dispensing without residue, while being cost-effective and simpler in structure.
Implementation Method 1
The flaps themselves here act as ramps, which dispense the substrate centrally into the mixing container
Implementation Method 2
the hinge can be designed in such a way that a restoring force acts on the flap in the open state of the capsule cover
Data Source
AI summary
A plastic capsule has an integrated dispensing device for a substrate accommodated in the plastic capsule. The capsule comprises a capsule body, an opening element and a capsule cover. The capsule body and the capsule cover define a capsule interior for the substrate, in which the opening element is arranged in such a way that the opening element can be moved toward the capsule cover. The capsule cover can be brought from a closed state into an open state by the opening element. The capsule cover has a peripheral fastening edge and a plurality of flaps, which are connected to the fastening edge by one hinge each, in particular a film hinge, the movement of the opening element toward the capsule cover causing a deflection of the flaps around the respective hinges.