Can opening and draining device and method for device operation

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Solution Overview

Problem

Existing can opening devices are bulky, cumbersome, increase injury risk due to exposed cut edges, and often result in messy liquid separation or clogging, with separate straining devices posing additional issues.

Innovation Solution

A can opening and draining device with a plunger and base that securely attaches to the can, featuring a recessed blade for safe lid cutting, a drain for efficient liquid extraction, and a magnet for safe lid removal, minimizing user interaction with sharp edges and reducing spillage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a can opener with arch, walls, and lower portion is used, then can opening functionality is provided, but the system becomes bulky and cumbersome for storage

Engineering Contradiction:
Improvecan opening functionalityVSAvoidsystem size
Core Design Contradiction:
Ease of operationVSVolume of moving object

Solution Approach 1:

The device is divided into separate functional components: a can opener unit and a draining unit with strainer. This segmentation allows each component to be optimized independently and stored separately, reducing the overall volume when not in use while maintaining full functionality when needed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device integrates multiple functions into a compact design: the can opener cuts the lid, the strainer separates solids from liquids, and the draining mechanism pours out liquids. This multi-functionality reduces the need for multiple separate devices, thereby reducing total storage volume.

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

2Ease of operation

If the cut edge of the can lid is left exposed, then lid removal is simplified, but user injury risk increases

Engineering Contradiction:
Improvelid removalVSAvoiduser injury risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The strainer acts as an intermediary component between the can lid and the user. The lid is attached to the strainer assembly, which provides structural support and a safe handling interface, preventing direct contact with the exposed cut edges of the lid.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The design anticipates the hazard of exposed cut edges by providing a protective structure (strainer assembly) that cushions and protects the user from injury before contact can occur. The lid is securely held by the strainer, preventing accidental contact with sharp edges during handling.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Quantity of substance

If separate straining devices are used after can opening, then liquid separation is achieved, but the process becomes messy and time-consuming

Engineering Contradiction:
Improveliquid separationVSAvoidseparation process time
Core Design Contradiction:
Quantity of substanceVSLoss of time

Solution Approach 1:

The can opening and liquid straining functions are merged into a single integrated device. The strainer is built into the can opener assembly, allowing users to cut the lid and strain liquids in one continuous operation without transferring contents to a separate straining device, thereby reducing mess and time loss.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The strainer is pre-positioned and ready to receive can contents immediately after opening. This preliminary preparation eliminates the need to stop and set up separate straining equipment, allowing for continuous, efficient liquid separation without interrupting the workflow.

Inventive Principle:
Principle #10Preliminary action

4Ease of operation

If strainer holes are improperly sized, then liquid draining is simplified, but clogging or loss of contents occurs

Engineering Contradiction:
Improveliquid drainingVSAvoidstrainer performance
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The strainer hole size is optimized to specific parameters that balance liquid flow rate with clogging prevention. The hole dimensions are carefully selected to allow efficient liquid drainage while maintaining sufficient clearance to prevent food particles and other contents from clogging the strainer, ensuring reliable operation.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP4617226A1Can opening and draining device and method for device operation
Publication Date: 2025.09.17 HAMEL INNOVATIONS LLC
  • EP4617226A1 patent drawingFigure 1A~1B
  • EP4617226A1 patent drawingFigure 2A~2B
  • EP4617226A1 patent drawingFigure 3A~3B

AI summary

Devices (100, 1200) and methods for can opening and draining. In one example, the can opening and draining device (100) includes a plunger (104) with a lower section (120) that extends from an upper body (118) and a base (102) with an opening (134). In the can opening and draining device (100), the lower section (120) is configured to mate with the opening (134) in the base (102) and the base (102) includes a blade (210) which is coupled to an interior (212) of the base (102). The base (102) further includes a drain opening (110) that extends through a wall (112) of the base (102).