Glove Former With Structured Gripping Aid Base
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Solution Overview
Problem
The production of gloves with a gripping aid often results in inhomogeneous material distribution and small holes due to insufficient material adhesion in the 'crotch area' between the gripping aid and the finger space, leading to defects and contamination issues during removal.
Innovation Solution
A molded body with a structured surface at the base of the gripping aid and on fingertips, featuring varying degrees of structuring to enhance material adhesion and prevent air bubble formation, ensuring uniform material thickness and reduced pinholes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a gripping aid is added to the molded body, then the grip function is improved, but material adhesion becomes insufficient in the crotch area and small holes appear
Solution Approach 1:
The patent applies different surface structuring to different areas of the molded body. The gripping aid area has a structured surface with higher roughness to enhance material adhesion, while other areas maintain their original smooth finish. This local differentiation resolves the contradiction by providing enhanced grip function where needed without compromising material adhesion elsewhere.
Solution Approach 2:
The patent changes the surface roughness parameter specifically in the crotch area and on the gripping aid. By increasing the roughness parameter in these specific locations, the material adhesion is improved, preventing small hole formation while maintaining the gripping aid's functional benefits.
2Ease of operation
If the gripping aid redirects material flow, then the grip structure is formed, but material distribution becomes uneven and holes appear
Solution Approach 1:
The patent applies structured surfaces specifically in the crotch area and on the gripping aid, while leaving other areas smooth. This local structuring ensures that material redistribution occurs only where needed to form the grip structure, preventing uneven material distribution in other regions and avoiding hole formation.
Solution Approach 2:
The structured surfaces are prepared in advance on the molded body before the dipping process. This preliminary structuring guides the material flow during immersion, ensuring that material is distributed evenly and forms the grip structure correctly without creating holes or unevenness.
3Reliability
If the entire surface is structured, then material adhesion is improved, but the complexity of the molded body increases
Solution Approach 1:
Instead of structuring the entire surface, the patent applies structured surfaces only to specific areas where material adhesion is critical - namely the crotch area and the gripping aid. This selective approach improves material adhesion where needed while avoiding the unnecessary complexity of structuring the entire molded body surface.
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 solution ensures gloves with a gripping aid are produced without significant rejects, maintaining uniform material thickness and preventing pinholes, thus enhancing durability and reducing contamination during removal.
Implementation Method 1
an area with a structured surface at the base of the gripping aid... which is more structured than other areas of the molded body
Implementation Method 2
The area with a structured surface at the base of the gripping aid... is more structured than other areas of the molded body
Data Source
Figure 1~2
AI summary
The invention relates to a former body for producing a glove, wherein the former body has the geometry of a hand with a substantially cylindrical portion attached thereto and with a gripping aid which is arranged below the little finger or below the thumb on one of the two narrow sides of the hand connecting the palm and the back of the hand, or alternatively on the continuation of one of these narrow sides of the hand in the longitudinal direction of the cylindrical portion attached to the hand, wherein the former body has a region with a textured surface at the attachment point of the gripping aid, which region preferably extends in the direction of the fingers of the hand and has a more pronounced texture than other regions of the former body.