Slit Paste Dispenser Outlet for Uniform Discharge Under Pressure
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Solution Overview
Problem
Conventional applicators for paste compositions struggle with inconsistent discharge due to internal pressure fluctuations, making uniform application difficult.
Innovation Solution
A paste dispensing control device featuring a cylindrical coupling part, a mesh-type filter, and a slit-shaped discharge outlet with adjustable slits, controlled by a slide plate, to maintain consistent discharge and uniform application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional applicator is used to discharge paste composition, then the composition can be discharged through the container, but the discharge amount fluctuates due to internal pressure changes making uniform application difficult
Solution Approach 1:
The discharge outlet is designed with multiple slits of different widths (first slit wider than second slit) to compensate for pressure fluctuations. When pressure is high, the narrower second slit limits excessive discharge; when pressure is low, the wider first slit ensures sufficient discharge, maintaining consistent application thickness throughout the container's usage cycle.
Solution Approach 2:
The discharge outlet is segmented into multiple independent slits (first discharge outlet and second discharge outlet) with different characteristics. This segmentation allows each slit to handle different pressure conditions independently, ensuring reliable discharge across varying internal pressures without requiring active pressure regulation mechanisms.
2Quantity of substance
If the discharge outlet width is increased to apply more composition, then the discharge amount increases, but the application thickness becomes non-uniform under pressure fluctuations
Solution Approach 1:
By providing multiple slits with different width parameters (first slit wider, second slit narrower), the system can maintain appropriate discharge flow rates across different pressure conditions. The combination of different slit width parameters ensures both sufficient quantity and uniform thickness without requiring active control mechanisms.
3Manufacturing precision
If a slit-shaped discharge outlet is used to improve application uniformity, then the composition can be applied more evenly, but the discharge amount becomes difficult to adjust
Solution Approach 1:
The discharge outlet is segmented into multiple independent slits that can be selectively opened or closed. This segmentation provides adaptability by allowing the user to adjust the number of active discharge paths (one slit or both slits) to match different application needs, while each individual slit maintains the uniformity benefits of the slit-shaped design.
Solution Approach 2:
The discharge outlet configuration is made dynamic through the ability to selectively open or close different slits based on application requirements. This dynamic adaptability allows the system to adjust discharge amount by controlling which slits are active, while maintaining the uniformity advantages of slit-shaped outlets regardless of the configuration selected.
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
Enables consistent discharge and uniform application of paste compositions to the skin or hair, even under varying pressures, by adjusting the discharge amount through the number and width of slit outlets.
Implementation Method 1
a mesh filter 1310 provided in a cylindrical space connected to the flow path 1120
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
Provided is a paste dispensing control device including: a container (1400) configured to contain a paste-type composition and having a discharge port through which the composition is discharged; a cylindrical coupling part (1110) coupled to the discharge port and configured to connect the container (1400) to a device body (1100); a flow path (1120) connected to the coupling part (1110) and formed inside the device body (1100), through which the composition discharged from the discharge port moves; a discharge outlet (1130) formed in an elongated slit shape in a lateral direction, through which the composition having passed through the flow path (1120) is discharged; and a slide plate (1200) configured to open or close the discharge outlet (1130) by sliding in a vertical direction.