Trash Receptacle Liner With Rigid Top-Lip Attachment
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Solution Overview
Problem
Standard plastic trash bags are difficult to install securely in trash receptacles, leading to leaks and unsightly contamination, as they are flimsy and prone to holes, causing unwanted odors and constant cleaning needs.
Innovation Solution
A trash receptacle liner with a closed-base and adjustable top-lip, featuring a rigid structure that attaches to the receptacle top via a zip tie mechanism, ensuring the liner remains upright and securely in place, preventing leaks and messes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard plastic trash bags are used, then they are easy to obtain and inexpensive, but they are difficult to install securely and are prone to falling down and leaking
Solution Approach 1:
The trash bag is divided into distinct functional segments: a rigid top lip portion for attachment to the receptacle rim, a flexible body portion for containing trash, and a closed base for stability. This segmentation allows each part to be optimized for its specific function, with the top lip providing secure attachment while the body remains flexible for filling.
Solution Approach 2:
The trash bag incorporates a rigid top lip that can be dynamically attached to the receptacle rim using various methods (zip ties, clips, or friction fit). This dynamic attachment mechanism allows the bag to transition from an unattached state to a securely fixed state, resolving the contradiction between ease of installation and security of installation.
2Strength
If standard plastic trash bags are used, then they are flexible and easy to fill, but they are flimsy and susceptible to holes and leaks
Solution Approach 1:
The trash bag applies local quality by making only the top lip portion rigid and structurally complex, while the rest of the body remains simple and flexible. This localized reinforcement provides the necessary strength and leak resistance at the critical attachment point without compromising the overall simplicity and ease of filling of the bag.
Solution Approach 2:
The trash bag effectively uses composite construction by combining rigid material for the top lip with flexible material for the body. This composite approach allows the structure to have both strength (rigid top lip for leak prevention) and flexibility (soft body for easy filling), resolving the contradiction between strength and device complexity.
3Reliability
If a rigid structure is added to secure the trash bag, then installation security improves, but the complexity of the device increases
Solution Approach 1:
The rigid structural element is segmented as a separate top lip portion that is integrated with but distinct from the flexible body. This segmentation allows the rigid component to provide stability and security without requiring the entire bag to be complex, as only the attachment portion needs rigidity.
Solution Approach 2:
The rigid structure is applied locally only to the top lip region where it is needed for secure attachment and stability. The rest of the trash bag remains simple and flexible, minimizing the increase in overall device complexity while achieving the desired improvement in reliability and position stability.
Data Source
AI summary
A device for lining a trash receptacle; the device includes a body and a top-lip, the top-lip configured to attach to a top of the trash receptacle. In some embodiments, a zip tie is provided to tighten the top-lip around the top of the trash receptacle. The device has a structured base allowing the device to stand up-right whilst in the trash receptacle. In some embodiments, the device includes a handle to allow for quick and easy removal of the device from the trash receptacle.