Collating Strip Perforations for Plug Alignment and Handling
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Solution Overview
Problem
Existing methods for handling and inserting plugs into holes in trim or similar surfaces are inefficient due to the small size of plugs, which are easily lost, difficult to position, and require direct handling, leading to alignment and orientation challenges.
Innovation Solution
A collating strip with perforations that holds multiple plugs via friction fit, allowing for easy alignment and insertion of plugs without direct handling, and an optional semi-automatic tool for streamlined installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If plugs are packaged loosely in a bag for individual handling, then they can be easily accessed, but they are easily dropped and lost, attract dirt, and are difficult to position with proper grain orientation
Solution Approach 1:
Multiple individual plugs are merged into a single integrated strip structure. The plugs remain individually accessible but are collectively supported by the strip, preventing them from being dropped or lost. The strip acts as a unified carrier that maintains organization while enabling individual access to each plug.
Solution Approach 2:
The strip serves as an intermediary carrier between the plugs and the user's hands. Instead of handling individual plugs directly, the user handles the strip as a whole, which prevents direct finger contact with the plugs and thereby prevents dirt attraction and contamination.
2Ease of operation
If plugs are handled directly with fingertips, then they can be positioned into holes, but it is challenging to position them flush and align them with proper grain orientation
Solution Approach 1:
The plugs are pre-oriented and pre-positioned on the strip with their grain direction and orientation already aligned during manufacturing. This preliminary alignment eliminates the need for manual orientation adjustments by the user, ensuring precise grain alignment when the plugs are installed.
Solution Approach 2:
The strip acts as a positioning intermediary that guides the plugs into proper alignment. The strip's structure provides reference edges and positioning features that ensure plugs are inserted with correct orientation, transferring the alignment function from manual dexterity to the mechanical design of the strip.
3Productivity
If multiple loose plugs are handled individually, then each can be inserted into a hole, but the process is time-consuming and inefficient
Solution Approach 1:
Multiple plugs are combined into a single strip unit, allowing the user to handle and position multiple plugs simultaneously rather than one at a time. This merging reduces the number of separate handling operations needed and accelerates the overall installation process.
Solution Approach 2:
The strip enables continuous installation action by providing a sequence of pre-positioned plugs that can be inserted consecutively without interruption. The user maintains a continuous workflow by simply advancing to the next plug on the strip, eliminating the time loss associated with searching for, picking up, and orienting individual plugs.
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 quick and precise positioning and insertion of plugs with minimal handling, reducing the risk of loss and improving alignment with the surface grain orientation, enabling efficient and facile plug installation.
Implementation Method 1
Each plug is maintained by the substrate in a perforation via friction fit between the substrate and the substantially cylindrical portion
Data Source
AI summary
A collating strip for holding plugs prior to insertion of the plugs into a hole such as a screw hole or nail hole after the screw or nail has been driven. The collating strip comprises an elongated strip having a plurality of perforations spaced along its length; and a plug positioned in each of the perforations, each plug having an insertion end and an external end, the insertion ends projecting from said strip. The strips may be in sheet form of a plurality of strips side by side with an individual strip being separable from the remaining strips of the sheet.