Fishing Lure Capsule with Controlled Attractant Release

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Solution Overview

Problem

Existing fishing lures disperse liquid attractants rapidly, limiting the duration of fish attraction and requiring separate buoyancy aids, which complicates techniques like zig fishing.

Innovation Solution

A fishing lure with a capsule containing a liquid attractant and controlled release apertures, combined with a buoyancy aid, allowing sustained attraction and depth control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If liquid attractant is released rapidly from the lure, then fish attraction occurs quickly, but the duration of fish attraction is limited

Engineering Contradiction:

Improvespeed of attractant releaseVSAvoidduration of fish attraction

Core Design Contradiction:

SpeedVSDuration of action of moving object

Solution Approach 1:

The lure incorporates multiple aperture openings of different sizes in the capsule wall. Smaller apertures provide controlled, sustained release for extended duration, while larger apertures can be opened to increase release speed when needed. This segmentation of release pathways allows independent control of release rate and duration.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The lure features adjustable aperture openings that can be dynamically modified during use. The aperture size can be changed from closed to partially open to fully open states, allowing the release characteristics to be adapted in real-time based on fishing conditions and desired attractant delivery patterns.

Inventive Principle:

Principle #15Dynamics

2Reliability

If a separate buoyancy aid is used, then buoyancy control is achieved, but device complexity increases

Engineering Contradiction:

Improvebuoyancy controlVSAvoidnumber of components

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The buoyancy aid is integrated directly into the capsule structure of the lure. The capsule itself is designed to provide buoyancy, eliminating the need for separate buoyancy devices. This merging of functions reduces component count and simplifies the overall lure construction while maintaining reliable buoyancy control.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The capsule serves multiple functions simultaneously: it contains the liquid attractant, provides buoyancy for the lure, and controls release through its aperture openings. This multi-functionality eliminates the need for separate dedicated components for each function, reducing overall device complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 lure provides controlled release of attractant and maintains buoyancy for extended fish attraction, enhancing the likelihood of successful catches, particularly in zig fishing.

Implementation Method 1

a buoyancy aid configured to be attached or to the capsule

Methodology Applied

Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Implementation Method 2

at least one aperture in the enclosing wall configured to control a rate of release of liquid fish attractant from the internal volume

Methodology Applied

Scientific EffectDiffusion: Diffusion

Data Source

PatentEP3769613B1Fishing lure

Publication Date: 2025.08.27 BECH PHILIP

Figure 1A~1B
Figure 2A~2B
Figure 3A~3B

AI summary

A fishing lure (100) comprises a capsule (102) comprising an enclosing wall (104) defining an internal volume (106), means for introducing liquid into the internal volume, at least one aperture (112) in the enclosing wall for controlled release of liquid from the internal volume and a buoyancy aid (114) attached or attachable to the capsule.