Rotatable Filter Segment with Offset Capsule and Aperture

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Solution Overview

Problem

Existing filter elements for smoking articles do not provide a wide range of user-controlled smoking experiences, as they lack the ability to effectively vary both flavor and smoke density according to personal taste or inclination.

Innovation Solution

A filter element with rotatably aligned segments, a frangible capsule, and adjustable ventilation, where the frangible capsule and ventilation apertures are offset, allowing users to control smoke characteristics by rotating the segments and breaking the capsule, enhancing flavor and density variability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single frangible capsule is provided in the filter, then flavor alteration is achieved, but the range of user-controlled smoking experiences is limited

Engineering Contradiction:
Improverange of smoking experiencesVSAvoidfilter structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The filter plug is divided into multiple rotatable segments (first segment and second segment) that can be rotated independently relative to each other. Each segment can contain frangible capsules, and the tipping paper is divided into corresponding segments. This segmentation allows multiple capsules to be positioned at different longitudinal locations, enabling users to select different flavor profiles by rotating the segments into different angular positions, thereby expanding the range of smoking experiences without significantly increasing overall device complexity.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If frangible capsule and ventilation aperture are at the same longitudinal position, then simple structure is maintained, but user control over smoke characteristics is limited

Engineering Contradiction:
Improveuser control capabilityVSAvoidcomponent arrangement
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The invention offsets the frangible capsule and ventilation aperture to different longitudinal positions along the filter axis. When the filter plug segments are rotated, the angular misalignment between the capsule position and aperture position changes, allowing users to control the degree of ventilation and smoke characteristics. This longitudinal dimensioning, combined with rotational movement, provides an additional degree of freedom for user control over smoke delivery without requiring complex mechanical mechanisms.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If multiple frangible capsules are provided at different longitudinal positions, then wider range of smoking experiences is enabled, but manufacturing complexity increases

Engineering Contradiction:
Improveflavor and ventilation controlVSAvoidfilter assembly process
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The filter plug is divided into multiple rotatable segments (first segment and second segment) that can be rotated independently relative to each other. Each segment can contain frangible capsules, and the tipping paper is divided into corresponding segments. This segmentation allows multiple capsules to be positioned at different longitudinal locations, enabling users to select different flavor profiles by rotating the segments into different angular positions, thereby expanding the range of smoking experiences without significantly increasing overall device complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The filter plug segments are designed to be rotatable relative to each other and to the tipping paper segments, creating a dynamic configuration that can be adjusted by the user. This rotational freedom allows the same physical structure to present different functional configurations (different capsule-aperture alignments) during use, enabling multiple smoking experiences from a single filter unit without requiring multiple separate filter components.

Inventive Principle:
Principle #15Dynamics

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 a wide range of user-controlled smoking experiences while maintaining ease and cost-effectiveness in manufacturing, allowing for varied smoke ventilation and flavor alteration.

Implementation Method 1

at least one frangible capsule in the plug of filter material, said capsule containing a substance for altering the characteristics of an air stream passing though the filter in use

Methodology Applied
Scientific EffectFrangible capsule breaking:

Implementation Method 2

at least one of the segments comprising at least one perforation formed in the plug wrap to allow air intake into the filter in use; the respective aperture and perforation of the tipping paper and the filter plug can be superimposed upon rotation of one of the filter plug segments about its longitudinal axis to vary the filter ventilation

Methodology Applied
Scientific EffectFilter ventilation control:

Data Source

PatentEP3027071B1Filter element for a smoking article
Publication Date: 2020.09.02 JT INTERNATIONAL SA
  • EP3027071B1 patent drawingFigure 1~3

AI summary

A filter for a smoking article comprises at least one plug of filter material surrounded by a plug wrap. The plug of filter material comprises at least two segments being longitudinally aligned and rotatably mounted about a common longitudinal axis, at least one of the segments comprising at least one perforation formed in the plug wrap to allow air intake into the filter in use. A tipping paper surrounds the plug wrap. The tipping paper comprises a first part attached to a first of the two segments of the filter plug and a second part attached to the second segment of the plug wrap and comprising at least one aperture formed therein, the tipping paper parts and filter plug segments are arranged such that the respective aperture and perforation of the tipping paper and the filter plug can be superimposed upon rotation of one of the filter plug segments about its longitudinal axis to vary the filter ventilation: At least one frangible capsule in the plug of filter material is provided, said capsule containing a substance for altering the characteristics of an air stream passing though the filter in use, wherein the at least one frangible capsule and the perforation and aperture in the filter plug and tipping paper are offset from each other longitudinally in the filter.