Bag Closure Clip With Flexible Riser And Gripping Wedges

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Solution Overview

Problem

Existing bag closure systems, such as tie, zipper, button, carabiner, clip, and ball systems, face issues like deformation, breakage, alignment requirements, and difficulty in locking/unlocking, which affect their reliability and ease of use.

Innovation Solution

A closure clamp system comprising a base with two wings and gripping wedges, made from layered materials including flexible and rigid components, designed to provide a secure and easy-to-use closure mechanism for bags, with an optional link for attachment to bag handles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional closure systems (zipper, button, carabiner, clip, lock, ball) are used, then the bag can be closed, but they suffer from deformation, breakage, alignment requirements, or difficulty in locking/unlocking

Engineering Contradiction:

Improveclosure system reliabilityVSAvoidease of locking and unlocking

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The closure system is divided into two independent parts: a rigid clip with hooking elements and a flexible riser with receiving elements. This segmentation allows each part to be optimized independently - the clip for strength and the riser for flexibility - resolving the contradiction between reliability and ease of operation.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Instead of requiring active alignment of two complex parts as in traditional systems, the invention inverts the approach by using a rigid clip that passively engages with a flexible riser. The flexible riser adapts to the clip's position, eliminating alignment requirements and making the system easier to operate while maintaining reliability.

Inventive Principle:

Principle #13The other way round (Inversion)

2Strength

If ball mechanisms with spring elements are used, then the bag can be locked, but locking and unlocking requires greater force and is difficult

Engineering Contradiction:

Improvelocking strengthVSAvoidforce required for locking and unlocking

Core Design Contradiction:

StrengthVSForce

Solution Approach 1:

The invention extracts the spring element from the closure system, eliminating the need for forceful compression required by ball mechanisms. The locking strength is achieved through the rigid clip's geometry and hooking elements rather than elastic force, significantly reducing the force needed for operation.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The invention replaces the spring-based mechanical system with a geometry-based locking mechanism. The rigid clip's shaped hooks engage with corresponding features on the flexible riser, providing secure locking through structural design rather than elastic force, thus reducing operational force requirements.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If button, carabiner, clip, and lock systems with two complementary parts are used, then the bag can be locked, but the two parts must be aligned each time the bag is closed

Engineering Contradiction:

Improvelocking reliabilityVSAvoidalignment requirement complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The invention inverts the traditional approach by making one part (the riser) flexible and adaptive rather than rigid. The flexible riser automatically adjusts to align with the rigid clip, eliminating the need for precise manual alignment while maintaining secure locking reliability.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The invention changes the physical parameter of the riser from rigid to flexible, allowing it to deform and adapt to the clip's position. This parameter change eliminates alignment complexity while preserving locking reliability through the maintained engagement between hooking and receiving elements.

Inventive Principle:

Principle #35Parameter changes

4Ease of operation

If zipper systems with teeth and central slider are used, then the bag can be closed, but the teeth can become deformed or break rendering the system unusable

Engineering Contradiction:

Improveclosure operationVSAvoidclosure system durability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The invention uses composite construction with a rigid clip (metal or rigid plastic) for durability and a flexible riser (elastic material) for resilience. This composite approach eliminates the fragile teeth of zipper systems while maintaining ease of operation through the simple clip-and-rise mechanism.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The invention replaces the complex, fragile zipper mechanism with a simpler, more durable clip system. The rigid clip and flexible riser are designed to be replaceable if needed, but their simple construction makes them far more durable and less prone to deformation or breakage than traditional zipper teeth.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Data Source

PatentEP3309410B1Bag with riser and closing clip for bag with riser

Publication Date: 2020.09.09 GOYARD ST HONORE

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AI summary

The invention relates to a closure clip for a padded bag, comprising a base and two wings extending substantially perpendicularly from the base and on the same side of the base, the wings being spaced apart, each wing having an outer face and an inner face, the inner faces facing each other. The closure clip further comprises two gripping wedges, each on the inner face of one of the wings at their free ends. The invention also relates to a padded bag comprising a top opening, a padded section fixed to the outer edge of the top opening, and a closure clip according to the invention.