Reusable Candle Jar System with Removable Bottom

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Solution Overview

Problem

The glass-making process is resource-intensive and environmentally harmful due to the high demand for specific types of sand, ecosystem disruption during harvesting, extensive transportation leading to greenhouse gas emissions, and significant waste generation from glass products.

Innovation Solution

A reusable candle jar system that allows consumers to purchase candle refills instead of new jars, reducing waste and promoting sustainability by utilizing a circular glass container with removable bamboo and glass components, and a wax scraping spatula for easy residue removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional glass jars with sealed bottoms are used, then the jar structure is simple and manufacturing is easy, but the jar cannot be refilled and becomes waste after one use

Engineering Contradiction:
Improvejar manufacturing simplicityVSAvoidglass waste
Core Design Contradiction:
Ease of manufactureVSLoss of substance

Solution Approach 1:

The jar is divided into separate components: a reusable glass container body and removable candle elements. The bottom of the jar is designed with an opening that allows the candle to be removed and replaced, enabling the jar to be refilled and reused multiple times rather than being discarded after single use.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention allows consumers to keep and reuse the glass jar after the candle is consumed. The removable bottom design enables easy cleaning and refilling of the same jar with new candles, recovering the value of the glass container while only discarding the consumed candle material.

Inventive Principle:
Principle #34Discarding and recovering

2Reliability

If new glass jars are purchased for each candle, then the jar is sealed and preserves scent, but it generates significant glass waste and packaging waste

Engineering Contradiction:
Improvescent preservationVSAvoidglass and packaging waste
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The glass jar is designed as a multi-functional reusable container that can hold multiple candles with different scents. The same jar structure serves multiple purposes across different candle types, eliminating the need to purchase new jars for each candle while maintaining scent preservation through the sealed design when closed.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If glass is used for candle jars, then the jar is aesthetically pleasing and reusable, but it is heavier and more delicate than plastic requiring extra transportation

Engineering Contradiction:
Improvejar reusabilityVSAvoidtransportation weight
Core Design Contradiction:
Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The invention makes the candle element disposable while keeping the glass jar reusable. The candle can be easily removed and replaced, allowing consumers to keep the relatively heavy glass jar long-term while only replacing the lighter, consumable candle portion, thereby reducing overall transportation weight compared to replacing entire glass jars.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

4Reliability

If the jar bottom is sealed to preserve the candle, then the jar is airtight, but it cannot be refilled with the original scent

Engineering Contradiction:
Improveseal integrityVSAvoidrefill capability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The jar bottom transitions from a static sealed state to a dynamic open state during candle replacement. The removable bottom design allows the jar to be sealed during storage to preserve the candle, then opened to remove and replace the candle, providing both seal integrity and refill capability through its adaptable structure.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20250178795A1Reusable Candle Jar System
Publication Date: 2025.06.05 LYNCH TRACEY
  • US20250178795A1 patent drawing
  • US20250178795A1 patent drawing
  • US20250178795A1 patent drawing

AI summary

A reusable candle jar wherein the candle jar separates from the bamboo base, using one of three methods. A bamboo spatula is included to remove any wax residue. Then the specially fitted and formed wax form refill is inserted into the base, the glass jar is reattached, and the candle is ready to burn with zero glass waste.