Masonry Panel with Compressible Tabs for Mortarless Brick Retention

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Solution Overview

Problem

Existing masonry wall construction methods are time-consuming and require skilled labor, and prefabricated panels often lack an architecturally satisfactory appearance, are heavy, and difficult to install, with visible separation lines and the need for mortar or adhesive.

Innovation Solution

A masonry panel assembly with horizontally extending channels and compressible retaining tabs that allow for easy insertion and retention of bricks without mortar, accommodating bricks with size variations and providing a seamless appearance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional masonry construction methods are used with skilled workers setting and mortaring individual bricks, then the masonry wall has satisfactory appearance and structural integrity, but the construction process is very time-consuming and requires skilled labor

Engineering Contradiction:
Improveconstruction speedVSAvoidinstallation time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The panel is pre-formed with channels and retaining tabs before installation. The channels are预先 configured to receive bricks, and the retaining tabs are pre-positioned to automatically engage with brick cavities. This preliminary preparation eliminates the need for on-site mortar application and complex brick-setting skills, significantly reducing installation time while maintaining construction quality

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The panel acts as an intermediary device between the builder and the bricks. Instead of directly mortaring bricks to each other (traditional method), the panel provides a structured interface with channels and retaining tabs that guide brick placement and secure them mechanically. This intermediary system simplifies the construction process and reduces time requirements

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If prefabricated artificial facings with moulded bricks are used, then the construction time is reduced, but the appearance does not provide an architecturally satisfactory representation of real brick or stone

Engineering Contradiction:
Improveconstruction speedVSAvoidappearance quality
Core Design Contradiction:
ProductivityVSShape

Solution Approach 1:

The system segments the masonry wall into two distinct components: the panel (support structure) and the bricks (aesthetic elements). The panel contains channels that hold individual real bricks, allowing each brick to maintain its natural appearance while being systematically organized. This segmentation enables fast installation of the panel structure while preserving the authentic look of individual bricks

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of using moulded copies of bricks (which compromise appearance), the invention uses the actual real bricks themselves. The panel structure with its channels and retaining tabs creates a framework that copies or replicates the traditional masonry arrangement, but uses genuine bricks rather than artificial replicas, thus maintaining architectural satisfaction

Inventive Principle:
Principle #26Copying

3Loss of time

If pre-fabricated panels are used to reduce construction time, then installation is faster, but the panels are very heavy and difficult to transport and install

Engineering Contradiction:
Improveinstallation timeVSAvoidpanel weight
Core Design Contradiction:
Loss of timeVSWeight of moving object

Solution Approach 1:

The panel is constructed from a flexible or semi-flexible material that can be bent and shaped to form the channels and retaining tabs. This flexibility allows the panel to be lightweight yet structurally sufficient to hold bricks. The thin-walled channel structure provides the necessary form while minimizing material usage and overall weight, making the panel easier to transport and install compared to rigid heavy panels

Inventive Principle:
Principle #30Flexible shells and thin films

4Stability of the object's composition

If pre-fabricated panels with rigid structures are used, then the panels can maintain shape, but the separation lines between panels are clearly visible and less attractive

Engineering Contradiction:
Improvepanel structural stabilityVSAvoidseamless appearance
Core Design Contradiction:
Stability of the object's compositionVSShape

Solution Approach 1:

The panel incorporates flexible retaining tabs that can dynamically adjust to accommodate bricks with size variations. These tabs are not rigid fixed structures but flexible elements that bend and adapt as bricks are inserted. This dynamic characteristic allows the panel to maintain structural stability while creating a more seamless appearance, as the flexible tabs can conform to slight variations in brick dimensions and panel positioning, reducing visible separation lines

Inventive Principle:
Principle #15Dynamics

5Adaptability or versatility

If conventional bricks with large size variations are used, then standard bricks are available, but they are difficult to retain in place without mortar

Engineering Contradiction:
Improvebrick size accommodationVSAvoidbrick retention
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The retaining tabs are designed with flexible parameters that can adapt to different brick dimensions. The tabs can be positioned at various locations along the channel and have variable lengths and depths of engagement. This parameter flexibility allows the same panel design to accommodate bricks with large size variations while maintaining reliable retention through the cavity engagement mechanism

Inventive Principle:
Principle #35Parameter changes

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 swift and easy installation of bricks with large size variations, eliminating the need for mortar and reducing installation time, while maintaining an aesthetically pleasing, seamless masonry appearance.

Implementation Method 1

A plurality of compressible retaining tabs is positioned along the upper rib of each channel for retaining bricks inserted in the channels

Methodology Applied
Scientific EffectCompression: Compression

Implementation Method 2

compressible retaining tabs that allow for easy insertion and retention of bricks without mortar, accommodating bricks with size variations

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS8973327B2Masonry wall panel for retaining bricks
Publication Date: 2015.03.10 OLDCASTLE BUILDING PRODUCTS CANADA INC
  • US8973327B2 patent drawing
  • US8973327B2 patent drawing
  • US8973327B2 patent drawing

AI summary

The present invention concerns a masonry wall panel assembly comprising a panel and a plurality of bricks. The panel is provided with a plurality of horizontally extending contiguous channels bounded by upper and lower protruding ribs, for fitting a row of bricks. Each channel is also fitted with a plurality of compressible retaining tabs positioned along the upper rib of each channel for retaining bricks inserted therein. The bricks are provided with at least one cavity and at least one compression area so that when a brick is inserted into a channel of the panel, the brick is positioned between the ribs such that the cavity of the brick faces one or more of the tabs located on the channel so that the tabs protrude into the cavity of the brick while at the same time compressing the compression area, thereby retaining the brick within the channel.