Sifter Lid Device with Removable Insert and Funnel

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Solution Overview

Problem

Existing sifting methods are inefficient due to the use of single-use straining devices and the need for multiple steps involving secondary containers, which complicates the process of removing undesirable particulates from compounds like paint and flour.

Innovation Solution

A sifter lid device with a funnel area and a continuous opening that receives a removable sifter insert, allowing direct sifting from a container without the need for a secondary container, and featuring a magnetic attachment system for versatility in screen spacings and a lid for sealing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If single-use straining bags are used, then sifting can be performed, but the device cannot be reused and generates waste

Engineering Contradiction:
Improvesifting functionVSAvoidreusability
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The sifting device is divided into separate components: a reusable body and removable screen inserts. The screen inserts can be taken out, cleaned, and replaced, while the main body remains in use. This segmentation allows the device to be reused multiple times while maintaining sifting functionality.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of discarding the entire sifting device after one use, only the screen inserts are discarded or replaced while the main body is recovered and reused. This reduces waste and improves reusability while maintaining the essential sifting function.

Inventive Principle:
Principle #34Discarding and recovering

2Reliability

If compound is poured into a straining device and then into a secondary container, then sifting can be performed, but the process involves multiple unnecessary steps

Engineering Contradiction:
Improvesifting functionVSAvoidsifting process efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The device combines the container and sifting functions into a single integrated unit. The sifter lid attaches directly to the container, allowing compound to be sifted directly from the original container without requiring a secondary container. This merging eliminates unnecessary transfer steps and improves productivity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The sifter lid device serves multiple functions: it acts as both a lid for the container and a sifting device. This multi-functionality eliminates the need for separate containers and devices, streamlining the sifting process and improving efficiency.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If a fixed sifting device is used, then sifting can be performed, but the device cannot accommodate different screen spacings

Engineering Contradiction:
Improvesifting functionVSAvoidscreen spacing flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The sifting device incorporates removable and replaceable screen inserts, transforming a static device into a dynamic one. Users can swap between different screen spacings based on the specific sifting requirements, providing adaptability while maintaining reliable sifting function.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The device allows changing the screen spacing parameter by replacing the screen inserts. Different screen inserts with various spacing configurations can be used with the same device body, providing versatility for different sifting applications while maintaining consistent performance.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11794210B2Sifter lid device
Publication Date: 2023.10.24 GARZA RAYMUNDO
  • US11794210B2 patent drawing
  • US11794210B2 patent drawing
  • US11794210B2 patent drawing

AI summary

The present invention relates generally to the field of sifters. More specifically, the present invention relates to a sifter lid device. The device is comprised of a body further comprised of a funnel area and a continuous opening in the top surface of the body that receives a sifter insert. The device can be placed on a container such that the contents of the container are sifted through the sifter insert and then can be poured using the funnel area into a secondary location or other container as desired. The sifter insert is further removable and may have a plurality of screen spacings. The device may also be comprised of a lid that covers the sifter insert when the device is not in use but is still attached to a container.