Wiper Blade Packaging Inserts Prevent Lip Damage
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Solution Overview
Problem
Existing packaging devices for windshield wiper blades often fail to provide sufficient protection for the wiper lip while being cost-effective, as they require materials that are stiff enough to maintain the blade's curvature but also risk damaging the sensitive edge during stretching.
Innovation Solution
The device incorporates two mirror-symmetrical inserts that accommodate the wiper blade's end sections, with oversized accommodation regions for the wiper lip to prevent contact and stress, and a flexurally stiff container that stretches the blade while supporting it via the inserts and the curvature summit, ensuring the wiper lip remains unstressed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single insert is used to accommodate the wiper blade, then the packaging structure is simple, but the wiper lip cannot be sufficiently protected during stretching
Solution Approach 1:
The packaging device divides the insert into two separate components: a first insert accommodating the end section with the wiper lip, and a second insert accommodating the opposite end section. This segmentation allows each insert to be optimized independently for protecting specific vulnerable areas, preventing the wiper lip from contacting the container wall during stretching while maintaining overall structural simplicity
2Object-affected harmful factors
If the insert fully encloses the wiper blade, then the wiper lip is protected, but packaging material usage increases
Solution Approach 1:
The inserts are designed with localized protection only where needed - specifically at the end sections where the wiper blade is inserted and where the wiper lip is most vulnerable. The first insert provides localized enclosure for the end section while the second insert provides localized enclosure for the opposite end section, rather than fully enclosing the entire wiper blade, thus reducing overall packaging material usage while maintaining effective protection
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
This design reduces packaging material usage and production costs, effectively protecting the wiper lip from damage during stretching while maintaining the blade's curvature, ensuring the wiper lip remains unstressed and reducing the risk of damage.
Implementation Method 1
the dimension of the flexurally stiff container in the direction of curvature of the wiper blade is selected to be smaller than that of the wiper blade in the unstressed state. When the wiper blade is inserted, it is then stretched automatically
Implementation Method 2
each insert has at least one accommodation region for accommodating a spring-elastic carrier element and/or a wiper lip of the wiper blade, an accommodation region provided for accommodating the wiper lip having an oversize compared to the dimensions of the wiper lip
Data Source
AI summary
A device for packaging a wiper blade for a windshield wiping system of a motor vehicle including a flexurally stiff container as well as at least one insert, which is able to be inserted into the container together with the wiper blade. The device includes at least two inserts, developed essentially having mirror symmetry, for accommodating each of an end section of the wiper blade, each insert having at least one accommodation region for accommodating a spring-elastic carrier element and/or a wiper lip of the wiper blade, an accommodation region provided for accommodating the wiper lip being oversized compared to the dimensions of the wiper lip, so that the wiper lip is able to be accommodated in such a way that a sensitive wiping edge of the wiper lip has no contact with the insert.