Liquid Bottle Neck With Conical Chamfer for Flow Interruption

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Solution Overview

Problem

Existing bottle designs fail to effectively interrupt the flow of liquid after each portion is dispensed, leading to spillage and contamination of the outer surface.

Innovation Solution

A bottle design featuring a neck with a conical chamfer and an annular groove, where the chamfer is inclined at an angle of 20° to 50° and the transition between the tip and groove forms a cone at 15°, allowing for controlled liquid flow and collection of residual drops.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the neck has a simple tip shape, then the structure is simple, but the liquid flow cannot be effectively interrupted after dispensing

Engineering Contradiction:
Improveinterruption of liquid flowVSAvoidneck structure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The neck is divided into functional segments: a conical chamfer section for flow diffusion and interruption, and an annular groove section for collecting residual drops. This segmentation allows each part to perform its specific function effectively in interrupting liquid flow after dispensing portions.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different sections of the neck are given different geometric properties: the chamfer has a conical shape with specific angle (20°-50°) to diffuse and interrupt flow, while the annular groove provides a collection area for residual drops. This local differentiation optimizes flow interruption without requiring complete structural complexity throughout the entire neck.

Inventive Principle:
Principle #3Local quality

2Ease of operation

If the neck tip extends below the upper end, then the flow interruption is improved, but the outer surface becomes contaminated with spilled liquid

Engineering Contradiction:
Improveflow interruption effectivenessVSAvoidcontamination of outer surface
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The conical chamfer acts as an intermediary element between the liquid flow and the outer surface. It diffuses and redirects the flow, preventing direct impact with the outer surface while still achieving effective flow interruption. The annular groove serves as another intermediary that captures residual drops before they can contaminate the outer surface.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The design converts the potentially harmful residual flow and drops into a beneficial collection process. The annular groove captures what would otherwise be contaminating drops, transforming the harmful residual flow into a controlled collection mechanism that prevents outer surface contamination.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Ease of operation

If the chamfer angle is large, then the flow interruption is more effective, but the liquid spreads more around the bottleneck

Engineering Contradiction:
Improveflow interruption capabilityVSAvoidliquid spread around bottleneck
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The conical chamfer angle is optimized within a specific range (20°-50°) to balance flow interruption effectiveness with control over liquid spread. This parameter optimization ensures that the chamfer provides sufficient flow diffusion and interruption while preventing excessive liquid spread around the bottleneck area.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The conical chamfer creates a localized zone of controlled flow diffusion at the critical flow path, while the rest of the neck structure maintains its original properties. This localized geometric modification achieves flow interruption without causing widespread liquid spread around the entire bottleneck.

Inventive Principle:
Principle #3Local quality

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 significantly reduces spillage and prevents contamination by ensuring liquid flow is interrupted smoothly, with minimal residual spillage into the bottle neck.

Implementation Method 1

the neck has a conical chamfer from the inside, which in the working position serves as a diffuser for the dispensed liquid

Methodology Applied
Scientific EffectDiffusion: Diffusion

Implementation Method 2

the chamfer has a conical shape, and the cone surface is inclined to the symmetry axis of the neck at an angle α of 20° to 50°. In this range of angles, the most effective interruption of the flow occurs

Methodology Applied
Scientific EffectFlow separation: Flow Separation

Implementation Method 3

The neck has an annular groove between its upper end and the upper end of the tip. This makes it easier to catch the last drops when the liquid flow is interrupted

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentUS20250320017A1Bottle for liquid
Publication Date: 2025.10.16 DOROSHENKO STANISLAV MYKOLAYOVYCH
  • US20250320017A1 patent drawing

AI summary

The invention relates to the design of bottles for liquids that are usually consumed in small, arbitrary portions, namely alcoholic beverages, as well as edible oils, sauces, syrups, etc.In the bottle for liquid, which has a hollow body with a bottom and a neck with a tip located outside and below the upper end of the neck and exceeding its diameter, according to the inventive concept, the neck has a conical chamfer on the inside, which in the working position serves as a diffuser for the dosed liquid.This makes it possible to interrupt the flow of liquid from the side surface of the neck when pouring out each new portion of the liquid from the bottle. This makes it much easier to interrupt the flow after the next portion has been dispensed.