Paving Kit Rows With Offset T-Joints

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Solution Overview

Problem

Existing kits for creating paved surfaces fail to achieve a strong optical guiding or braking effect and exacerbate orientation issues due to the presence of cross joints and the difficulty in recognizing block orientations under physical strain.

Innovation Solution

A kit with rows comprising a maximum of three shaped stones, where only one type of stone is used per row, and the length-to-width ratio is optimized to facilitate visual recognition of block dimensions, reducing the complexity of exchange and eliminating cross joints.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple types of shaped blocks with varying dimensions are used in each row, then the paved area can achieve complex patterns and designs, but the difficulty of exchanging blocks increases and visual recognition of block orientation becomes difficult under physical strain

Engineering Contradiction:
Improvepattern design flexibilityVSAvoidblock exchange difficulty
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The kit divides the paved area into distinct rows, where each row contains only one type of shaped block with consistent dimensions. This segmentation allows workers to focus on one block type at a time, improving visual recognition and reducing exchange difficulty, while still achieving complex overall patterns through the arrangement of different row types.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different rows are assigned different block types with specific length-to-width ratios optimized for their positional requirements. For example, rows requiring stronger visual guidance use blocks with higher aspect ratios, while other rows use blocks optimized for their specific function. This local optimization maintains design flexibility while improving ease of operation within each row.

Inventive Principle:
Principle #3Local quality

2Area of stationary object

If shaped blocks with low length-to-width ratio are used, then more blocks fit in each row increasing coverage area, but the optical guiding effect and visual recognition of block dimensions deteriorate

Engineering Contradiction:
Improvepaved area coverageVSAvoidvisual guiding effect
Core Design Contradiction:
Area of stationary objectVSIllumination intensity

Solution Approach 1:

The patent specifies that shaped blocks in rows where visual guidance is important should have a length-to-width ratio of at least 1:2, with preferred ratios of 1:2.5 or 1:3. This parameter change ensures strong optical guiding effects and clear visual recognition. The kit provides multiple block types with different ratios to optimize both coverage and visual guidance in different row positions.

Inventive Principle:
Principle #35Parameter changes

3Stability of the object's composition

If cross joints are included in the paved area design, then structural stability and load distribution are improved, but the optical guiding effect is disrupted and orientation confusion increases

Engineering Contradiction:
Improvestructural stabilityVSAvoidoptical guiding effect
Core Design Contradiction:
Stability of the object's compositionVSIllumination intensity

Solution Approach 1:

The patent removes cross joints from the paved area design by ensuring that T-joints in adjacent rows are offset from each other. This extraction of the harmful cross joint element maintains structural stability through proper T-joint distribution while eliminating the disruption to optical guiding effects and preventing orientation confusion for workers.

Inventive Principle:
Principle #2Taking out (Extraction)

4Illumination intensity

If blocks with irregular or approximately square shapes are used to avoid cross joints, then the optical guiding effect is improved, but the complexity of block exchange increases and visual support for orientation is lost

Engineering Contradiction:
Improveoptical guiding effectVSAvoidblock exchange complexity
Core Design Contradiction:
Illumination intensityVSDevice complexity

Solution Approach 1:

The patent uses asymmetric shaped blocks with clear length-to-width ratios of at least 1:2, where each block has a distinct long side and short side. This asymmetric design provides strong optical guiding effects and clear visual support for orientation, while the consistent asymmetric geometry across all blocks in a row actually simplifies exchange complexity compared to irregular shapes.

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentEP2176466B1Construction kit for creating paved areas
Publication Date: 2011.08.31 KRONIMUS AG
  • EP2176466B1 patent drawingFigure 1
  • EP2176466B1 patent drawingFigure 2
  • EP2176466B1 patent drawingFigure 3

AI summary

The invention relates to a construction kit (B) for creating paved areas (2), comprising a number of laying units (1), wherein each laying unit (1) is made up of shaped blocks (3) in the form of slabs arranged offset in relation to one another. In this case, each row comprises a maximum of three shaped blocks (3; 4, 5), wherein only one shaped block (3; 4, 5) or only shaped blocks (3; 4, 5) of different lengths are arranged within each row.