Object Transfer Chamber for Cigarette Filter Bead Loading

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Solution Overview

Problem

There is a need in the mass manufacture of cigarette filters for a high-speed and reliable method to introduce objects, such as beads or capsules, into the filter material to modify sensory attributes of cigarette smoke, as existing methods are inefficient and unreliable.

Innovation Solution

An apparatus comprising a reservoir, a rotatable wheel with individual pockets, and a transfer chamber that uses air streams or suction to align and move objects along a circulating path, ensuring they are reliably loaded into the wheel's pockets and subsequently into the filter material, enhancing production speed and efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If objects are introduced into filter material during mass manufacture, then sensory attributes of cigarette smoke can be modified, but the process must achieve high speed and reliability which existing methods fail to provide

Engineering Contradiction:

Improveproduction rate of filter elementsVSAvoidreliability of object introduction

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The apparatus divides the object introduction process into distinct functional zones: a reservoir for storing objects, a transfer chamber for aligning objects into a single layer, and a rotatable wheel with individual pockets for precise delivery. This segmentation allows each zone to be optimized independently for high-speed operation while maintaining reliability through controlled object transfer at each stage.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The transfer chamber acts as an intermediary between the reservoir and the rotatable wheel, aligning objects into a single vertically arranged layer before they are transferred to the wheel pockets. This intermediary alignment step ensures that objects are reliably positioned for high-speed insertion into the filter material without compromising accuracy.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Productivity

If high-speed introduction of objects is achieved, then production rate increases, but reliable loading into individual pockets becomes more difficult

Engineering Contradiction:

Improveproduction rate of filter elementsVSAvoidprecision of object placement into pockets

Core Design Contradiction:

ProductivityVSManufacturing precision

Solution Approach 1:

Objects are preliminarily aligned into a single vertically arranged layer in the transfer chamber before being transferred to the rotatable wheel. This preliminary alignment ensures that when objects are delivered to the wheel pockets at high speed, they are already positioned correctly for precise insertion into the filter material, maintaining manufacturing precision despite increased production rate.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The rotatable wheel features individual pockets with specific local characteristics designed to receive and hold single objects. Each pocket is configured to interact with objects in a controlled manner, ensuring reliable and precise loading even at high rotational speeds. The localized design of each pocket allows for optimized object capture and retention.

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 apparatus allows for high-speed and reliable introduction of objects into the filter material, increasing the production rate of filter elements by ensuring consistent and precise placement of additives, thereby enhancing the sensory attributes of cigarette smoke.

Implementation Method 1

The means for moving the objects from the single layer cause a movement that adds to the movement of the objects due to gravitational forces. In one embodiment, the means for moving the objects comprise means for causing a circulating movement of the objects in the transfer chamber such that at the peripheral surface of the rotatable wheel the objects move along a circulating path extending in the direction of rotation of the rotatable wheel.

Methodology Applied

Scientific EffectAir stream: Fluid Spray

Implementation Method 2

The means for moving the objects from the single layer cause a movement that adds to the movement of the objects due to gravitational forces.

Methodology Applied

Scientific EffectSuction: Suction

Implementation Method 3

The means for moving the objects from the single layer cause a movement that adds to the movement of the objects due to gravitational forces.

Methodology Applied

Scientific EffectGravitation: Gravitation

Data Source

PatentEP2375923B1Method and apparatus for introducing objects into a smoking article

Publication Date: 2018.03.28 PHILIP MORRIS PRODUCTS SA

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AI summary

An apparatus (2; 3) for introducing objects (4) into a smoking article comprises a reservoir (20; 30) for providing a plurality of objects (4) to be introduced into the smoking article, a rotatable wheel (22; 32) for delivering the objects (4) to the location where the objects are to be introduced into the smoking article, a transfer chamber (21; 31) for transferring the objects (4) to the rotatable wheel (22;32), the transfer chamber (21; 31) being arranged between the reservoir (20; 30) and the rotatable wheel (22; 32) and being designed such that the objects (4) are aligned into a single vertically arranged layer therein, and means (211, 221; 311, 316) for moving the objects (4) from the single layer in the transfer chamber (21; 31) in a direction towards or along the peripheral surface of the rotatable wheel (22;32).