Glove Finger Attachment Tab Minimizing Internal Clearance
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Solution Overview
Problem
Conventional methods for attaching multiple layers of gloves together often result in inadequate structural integrity, increased bulk due to internal clearance between layers, and reduced dexterity, particularly at the fingertips, due to the use of adhesives and tape that can lead to puncturing of moisture barriers.
Innovation Solution
A glove apparatus featuring an attachment tab with a lower and extension portion that is attached to the second layer and extends to the first layer, minimizing internal clearance between fingertips by being longer than the outer portion, and attached via stitches or adhesive, ensuring the fingertips of both layers are in contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional adhesive methods are used to attach multiple glove layers, then the layers can be joined together, but the structural integrity becomes inadequate after repeated soakings and the layers may separate
Solution Approach 1:
The patent replaces chemical adhesive bonding with mechanical stitching to attach the moisture barrier layer to the outer layer. Stitch lines are formed through both layers using durable thread, creating mechanical interlocking that maintains structural integrity and prevents layer separation even after repeated soakings and exposures to harsh conditions.
2Stability of the object's composition
If tape is used to attach adjacent layers near the fingertip, then the layers are connected, but internal clearance increases and finger dexterity is reduced
Solution Approach 1:
The patent relocates the attachment mechanism from the fingertip area to the dorsal side of the finger. Stitch lines are formed on the back of the finger, connecting the moisture barrier layer to the outer layer at a location that does not interfere with fingertip flexibility or create internal clearance that would reduce dexterity.
3Strength
If stitching is used to attach layers, then structural integrity is improved, but the moisture barrier may be inadvertently punctured during the process
Solution Approach 1:
The patent performs preliminary attachment of the moisture barrier layer to the outer layer through stitching before the glove is assembled and put into service. This ensures that the layers are securely connected from the beginning, preventing any relative movement or friction that could cause punctures during subsequent use. The stitching is carefully positioned and executed to avoid creating stress concentration points.
Data Source
AI summary
A glove apparatus is disclosed comprising a substantially glove-shaped first layer, a substantially glove-shaped second layer, and an attachment tab comprising a lower portion, an upper portion, and an extension portion. The attachment tab is attached to a finger portion of the second layer along the lower portion and along the upper portion. The extension portion extends from the attachment tab at a location distal from a fingertip of the second layer and overlies the upper portion to an attachment region on the first layer proximate a fingertip of the first layer, the fingertips of the first layer and of the second layer thereby lying substantially near or in contact with one another.