Adhesive Dispensing Device with Deformable Pressure Zone

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Solution Overview

Problem

Existing devices for applying adhesive and/or sealant lack ease of handling and precise dosing, often requiring significant effort and resulting in waste due to non-replaceable containers and inefficient pressure transfer mechanisms.

Innovation Solution

A device with a stable housing containing a deformable pressure area that allows for precise application of adhesive and/or sealant by transferring pressure to a replaceable container, featuring a deformable material or zone of increased deformability for efficient force transmission, and a stable, movable structure for secure container retention and efficient power transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If a stable, non-deformable housing is used to securely hold the container, then the structural integrity and security of container retention is improved, but the ease of exerting pressure on the container for precise dispensing deteriorates

Engineering Contradiction:
Improvestructural integrity of housingVSAvoidease of exerting pressure on container
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The housing transitions from a uniformly stable structure to a differentiated structure with localized deformable zones. The stable enclosure maintains overall structural integrity while specific pressure zones incorporate deformable material or reduced thickness to enable easy pressure application for container compression and adhesive dispensing.

Inventive Principle:
Principle #3Local quality

2Ease of operation

If a deformable pressure area is introduced to enable easy pressure application, then the ease of dispensing adhesive and/or sealant is improved, but the structural stability and robustness of the housing deteriorates

Engineering Contradiction:
Improveease of dispensing adhesiveVSAvoidrobustness of housing
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

The housing incorporates deformable material or reduced thickness zones only in specific pressure areas where flexibility is needed, while the rest of the housing maintains its stable, robust enclosure to provide overall structural strength and secure container retention.

Inventive Principle:
Principle #3Local quality

3Measurement precision

If a zone of increased deformability is used to transfer pressure efficiently to the container, then the precision of adhesive dispensing is improved, but the material complexity and manufacturing difficulty increases

Engineering Contradiction:
Improveprecision of adhesive dispensingVSAvoidmanufacturing complexity of deformable zone
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The pressure zone utilizes a thin-walled deformable structure that acts as a flexible interface between the stable housing and the container. This thin-walled design allows efficient pressure transfer to achieve precise adhesive dispensing while remaining compatible with standard injection molding processes for manufacturing.

Inventive Principle:
Principle #30Flexible shells and thin films

4Loss of substance

If a replaceable container system is implemented to reduce waste, then the loss of substance is reduced, but the device complexity increases

Engineering Contradiction:
Improvewaste reduction of adhesiveVSAvoidcomplexity of replaceable container system
Core Design Contradiction:
Loss of substanceVSDevice complexity

Solution Approach 1:

The adhesive dispensing system is segmented into a reusable stable housing and a replaceable container component. This segmentation allows the container to be replaced when depleted, reducing waste, while the stable housing with its pressure zones and applicator tip can be reused multiple times.

Inventive Principle:
Principle #1Segmentation

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

Facilitates easy and precise application of adhesive and/or sealant, reduces waste through the use of replaceable containers, and ensures secure handling with minimal effort, allowing for efficient use of the adhesive and/or sealant without quality degradation.

Implementation Method 1

by applying pressure to the pressure zone, deformation of the material in the pressure zone can be caused, and the pressure can be transferred to the container located below it in the receiving chamber

Methodology Applied
Scientific EffectDeformation: Deformation

Implementation Method 2

the pressure area has at least one movable section, which is separated from the surrounding housing by a zone of increased deformability. This zone of increased deformability can be so easily deformable that pressure applied to the pressure area is transferred to the container with virtually no loss

Methodology Applied
Scientific EffectPressure transfer: Pressure Increase

Implementation Method 3

the pressure area comprises a deformable, in particular elastic, material, for example rubber. The pressure area can, for example, be made entirely of a deformable material. This gives the pressure area itself a deformability that allows pressure to be exerted through the material of the pressure area onto the container

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP3416751B1Device for applying adhesive and/or sealant
Publication Date: 2023.01.04 HENKEL KGAA
  • EP3416751B1 patent drawingFigure 1~4
  • EP3416751B1 patent drawingFigure 5~7
  • EP3416751B1 patent drawingFigure 8~12

AI summary

A device (1, 1') for applying adhesive and/or sealant having a housing (2) for receiving a container (16), said housing (2) having the following: - a receiving chamber (15) for receiving the container (16); - a closable application tip (17) which is connected to the receiving chamber (15) and through which the adhesive and/or sealant can be discharged; - a stable casing (4) for the receiving chamber (15); - at least one region of the housing (2) which is in the form of a deformable pressure region (5) and which allows pressure to be exerted from the outside onto the container (16) which can be placed in the receiving chamber (15).