Deck Tool for Forming Locked Side Laps
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Solution Overview
Problem
The challenge in the construction industry is the time-consuming and labor-intensive process of forming side laps between metal deck sections, which are essential for enhancing diaphragm performance and composite action in flooring and roofing systems.
Innovation Solution
A tool with a cutting and folding assembly that includes a driven punch and stationary die, capable of simultaneously cutting and folding the side edges of metal deck sections to create a trapezoidal joint, effectively joining adjacent deck sections and preventing relative displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual methods are used to form side laps between metal deck sections, then the process allows flexibility in handling different deck configurations, but the process becomes time-consuming and labor-intensive
Solution Approach 1:
The patent combines multiple functions (cutting, folding, and forming) into a single integrated tool head assembly. The punch mechanism simultaneously performs cutting and folding operations on the deck edges, eliminating the need for separate manual operations and significantly improving productivity while maintaining manageable device complexity through functional integration.
Solution Approach 2:
The tool is designed to be self-positioning through the alignment of punch and die components with the deck geometry. The tool head automatically aligns with the deck edges during insertion, reducing the need for complex positioning mechanisms and manual adjustment, thereby maintaining ease of operation while achieving automated-forming productivity.
2Ease of operation
If traditional side lap formation methods are used, then the process is simple in terms of equipment, but it requires significant manual labor and time
Solution Approach 1:
The tool incorporates self-aligning features where the punch and die automatically position themselves relative to the deck edges through geometric constraints. This self-positioning mechanism eliminates complex adjustment procedures and manual alignment steps, maintaining ease of operation while dramatically reducing the time required for side lap formation through automated cutting and folding actions.
Solution Approach 2:
The tool performs cutting and folding operations in a continuous single-action sequence rather than separate discrete steps. The punch mechanism simultaneously executes multiple forming operations as the tool is inserted and activated, eliminating idle time between operations and maintaining operational simplicity while minimizing total formation time.
3Reliability
If side edges of metal decks are overlapped to provide side lap, then diaphragm performance and composite action are enhanced, but the side lap formation becomes challenging and time-consuming
Solution Approach 1:
The tool integrates cutting and folding functions in a single operational sequence, creating the precise trapezoidal side lap geometry required for enhanced diaphragm performance and composite action. This integrated approach ensures consistent geometric accuracy for reliable structural performance while dramatically improving formation efficiency through automated multi-function operations.
Solution Approach 2:
The tool creates a specific trapezoidal geometry with controlled angles and dimensions that optimizes both structural performance parameters (for diaphragm action and composite behavior) and manufacturing efficiency. The predetermined geometric parameters ensure reliable structural performance while the automated forming process maintains high productivity.
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 tool efficiently forms a locked joint that allows complete interlock between concrete and steel, reducing the need for manual labor and enhancing the structural integrity of composite slabs.
Implementation Method 1
a driven punch that operates with a stationary die to simultaneously cut and shear the horizontal elements of a side lap
Implementation Method 2
folds those elements downward about 90 degrees from their original horizontal position, hemming the two individual side laps into a flattened vertical seam
Data Source
AI summary
A tool that can be used to join adjacent deck sections along their side edges. The tool can include a handle portion that is used by the operator to maneuver the tool and a cutting and folding assembly that is at the base of the tool. The cutting and folding assembly can further include a driven punch that operates with a stationary die to simultaneously cut and shear the horizontal elements of a side lap, then folds those elements downward about 90 degrees from their original horizontal position, hemming the two individual side laps into a flattened vertical seam.