Reprocessable Barrique Barrel with Detachable Staves
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Solution Overview
Problem
Barrique barrels are typically used only three times before disposal, leading to high costs for wine producers and excessive oak tree harvesting, as the internal tannins' influence on wine flavor diminishes after the first filling, and existing alternatives fail to replicate the authentic aroma of barrique wines.
Innovation Solution
A reprocessable barrique barrel design featuring releasably connected barrel staves that can be dismantled, reprocessed, and reassembled, allowing for repeated roasting and reuse, with a layered construction using clamping or threaded rods to maintain liquid-tight integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional barrique barrels are used for aging wine, then the wine acquires roasted aromas and tannin influence during the first three uses, but the barrels must be discarded after three uses as the aroma influence diminishes
Solution Approach 1:
The patent applies the discarding and recovering principle by separating the barrel stave material into two functional parts: a reusable structural core that maintains mechanical integrity, and a consumable inner surface layer that provides aromatic compounds. After three uses, only the inner surface is removed through planing or sanding, while the structural core is retained, re-roasted, and reassembled. This allows the barrel to be reused multiple times (extending beyond the conventional three uses) while maintaining aroma quality, as the fresh re-roasted surface restores the aromatic properties without needing to discard the entire barrel.
Solution Approach 2:
The patent segments the barrel stave into functionally distinct layers: an outer structural layer providing mechanical strength and a inner functional layer providing aromatic compounds. This segmentation allows differential treatment of the layers - the structural layer is preserved and reused, while the inner layer is periodically renewed through selective removal and re-roasting. The detachable connection system further segments the barrel into reusable components that can be disassembled, reprocessed, and reassembled.
2Reliability
If barrique barrels are made from solid oak wood with traditional construction, then the barrels provide authentic aging characteristics, but the barrels cannot be disassembled and reused due to permanent deformation of staves
Solution Approach 1:
The patent transforms the traditional static, permanent barrel construction into a dynamic, reversible system. The staves are connected through detachable connections (such as metal bands, clips, or interlocking mechanisms) that allow the barrel to be disassembled and reassembled multiple times without permanent deformation. This dynamic connection system enables the barrel to transition between assembled and disassembled states, facilitating reuse while maintaining structural integrity and authentic aging characteristics during the assembled state.
Solution Approach 2:
The patent segments the barrel into independently removable staves connected by detachable mechanisms, allowing the barrel to be taken apart into its component parts. This segmentation enables the staves to be removed, reprocessed (planed and re-roasted), and reassembled without permanent deformation, unlike traditional mortise-and-tenon or pegged constructions that permanently deform the wood during assembly.
3Quantity of substance
If the inner surface of barrel staves is removed and re-roasted for reuse, then the barrels can be used more than three times, but the staves may become too thin and deform if conventional solid construction is used
Solution Approach 1:
The patent segments the stave into a thick structural core and a thin removable inner surface layer. The structural core is designed with sufficient thickness to maintain mechanical strength and resist deformation even after multiple planing operations remove the inner surface. This segmentation allows the inner surface to be renewed multiple times without compromising the structural integrity of the stave, enabling reuse beyond three times while preventing stave thinning and deformation.
Solution Approach 2:
The patent applies local quality by giving different parts of the stave different thicknesses and functions: the outer structural portion is made sufficiently thick to provide mechanical strength and resist deformation, while the inner surface layer is thinner and intended to be periodically removed and re-roasted. This localized differentiation of thickness and function allows the stave to withstand multiple reprocessing cycles without overall thinning or deformation.
4Reliability
If traditional barrel making compression is applied to staves, then the barrels achieve liquid-tight integrity, but the barrels cannot be disassembled as the compression is permanent
Solution Approach 1:
The patent replaces permanent compression with dynamic, reversible mechanical fastening systems. Detachable connections such as metal bands, clips, or interlocking mechanisms apply compressive force to ensure liquid-tight integrity during the assembled state, but can be easily released to allow disassembly. This dynamic fastening system maintains the liquid-tight seal through controllable compression that can be applied and removed, unlike permanent compression that deforms the wood irreversibly.
Solution Approach 2:
The patent introduces composite construction by combining wood staves with metallic or synthetic detachable fastening elements. These composite connection mechanisms provide the necessary compression for liquid-tight integrity while remaining detachable, unlike traditional all-wood compression joints that permanently deform the wood. The composite structure allows mechanical fasteners to apply and release compression without permanent deformation of the wooden staves.
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
Enables the recycling of barrel materials, reducing waste and oak tree harvesting, while allowing for extended use of barrique barrels without compromising the wine's aroma, thereby lowering costs and environmental impact.
Implementation Method 1
The reprocessing of the staves involves removing the inner surface that comes into contact with the wine, in particular by sanding or planing, and then re-roasting the underlying, still-fresh wood.
Data Source
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AI summary
On the inside of barrique barrels there is a layer produced by wood toasting, which is responsible for a sensory enrichment of the wine stored therein. The extraction of these substances, what are known as tannins, is greatest in a new barrique barrel and decreases as the barrel is used for a second and third time, increasing the storage time. It is not usual to use the barrel more than three times. This results in considerable costs and material consumption for the barrique barrels. In view of this, the aim of the present invention is to create a barrique barrel which can be recycled. To this end, barrel staves are joined to form layer rings, and these are assembled in layers to form a barrel, instead of arranging the staves vertically as in conventional barrels. A detachable connection between the staves and layer rings ensures that the barrel can be dismantled and ground inside so that the barrel staves can be toasted again and assembled to form a new barrel.