Marked Conduit for Accurate Bending Alignment
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Solution Overview
Problem
Current techniques for bending conduits or tubes often result in misalignment, leading to difficulties in installation and waste due to 'dog-legging', where bends are not properly aligned within a plane or on walls or ceilings.
Innovation Solution
A marked conduit or tube with a plurality of markings along its length dimension, including 0-degree, 90-degree, 180-degree, and 270-degree markings, allows for proper alignment during bending by ensuring line markings remain equidistant from the edges before and after bends, preventing misalignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional bending techniques (hand bender, hydraulic bender, or bending with knees/hands) are used, then the conduit or tube can be bent to fit the shape of the environment, but misalignment and 'dog-legging' occur resulting in installation difficulties and waste
Solution Approach 1:
The patent applies preliminary action by pre-marking the conduit or tube with reference lines and degree markings before bending. These markings serve as pre-established guides that indicate the desired bend angles and alignment positions, allowing the operator to make accurate bends by following the markings rather than relying on visual estimation during the bending process itself.
Solution Approach 2:
The patent replaces the mechanical/visual estimation system with a marking-based guidance system. Instead of relying on the operator's ability to visually judge bend angles and alignment, the system uses pre-applied markings that provide objective reference points, substituting human visual judgment with a standardized marking reference system.
2Productivity
If visual estimation and judgment by eye are used for bending, then the process remains simple and quick, but misalignment and 'dog-legging' frequently occur
Solution Approach 1:
The markings are applied in advance to the conduit or tube, providing pre-prepared guidance that speeds up the bending process. Operators can quickly reference the markings during bending without needing to perform complex visual estimations, maintaining productivity while improving precision.
Solution Approach 2:
The markings serve as an intermediary between the operator and the bending process. Rather than the operator directly estimating angles and alignment, the markings act as a mediator that translates the desired bend geometry into visible reference lines and degree indicators that guide the operator's actions.
3Adaptability or versatility
If multiple bends are made on the conduit or tube, then the conduit can fit complex shapes and environments, but misalignment between bends increases and results in disposal and waste
Solution Approach 1:
The reference lines and degree markings are established before any bending occurs, providing a continuous reference system that spans multiple bend locations. This allows operators to plan and execute multiple bends in sequence while maintaining alignment, reducing the likelihood that any single bend will be incorrect and lead to disposal of the entire conduit section.
Solution Approach 2:
The markings provide continuous feedback during the bending process. As the operator makes each bend, they can reference the markings to verify they are achieving the correct angle and alignment relative to previous bends. This immediate feedback mechanism allows for real-time correction and ensures that multiple bends remain properly aligned.
Data Source
AI summary
According to various embodiments, there is provided a marked conduit or tube including: a hollow body having an outer surface, a length dimension, and a plurality of markings along the length dimension, the plurality of markings including a first line marking, where the first line marking is positioned at a 0-degree point of a cross-sectional view of the hollow body, a second line marking where the second line marking is positioned at a 90-degree point relative to the 0-degree point of the cross-sectional view of the hollow body, a third line marking, where the third line marking is positioned at a 180-degree point relative to the 0-degree point of the cross-sectional view of the hollow body, and a fourth line marking, where the fourth line marking is positioned at a 270-degree point relative to the 0-degree point of the cross-sectional view of the hollow body.