Modular Underground Coffin Niche for Tool-Free Load-Bearing Assembly

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Solution Overview

Problem

Existing funerary structures for underground coffin storage are inefficient, labor-intensive, and lack quick assembly capabilities without the need for tools, while also requiring substantial weight support and maintaining structural integrity.

Innovation Solution

A modular funerary niche with a structure made of fiberglass reinforced nylon, featuring a quadrangular housing with structural coverage panels and connecting beams, allowing for easy assembly and secure coupling without tools, and supporting substantial weight loads.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If traditional concrete structures are used for underground coffin storage, then substantial weight loads can be supported, but assembly requires heavy machinery and substantial labor

Engineering Contradiction:
Improveweight support capacityVSAvoidassembly labor
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The funerary niche is divided into multiple modular components including end walls, side walls, and floor sections that can be manufactured separately and assembled in place. This segmentation allows the structure to maintain concrete's weight-bearing strength while enabling easier assembly with minimal machinery, as each module can be handled individually rather than requiring movement of a complete large-scale structure.

Inventive Principle:
Principle #1Segmentation

2Reliability

If traditional funerary structures are used, then structural integrity is maintained, but assembly time and labor are substantial

Engineering Contradiction:
Improvestructural integrityVSAvoidassembly time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The modular components are pre-manufactured with integrated reinforcement bars and connection features that align precisely when assembled. The end walls and side walls include pre-positioned opening/closing mechanisms and sealing elements, allowing rapid assembly while maintaining structural integrity. This preliminary preparation of components eliminates on-site construction time while ensuring reliable structural performance.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If modular plastic structures are used, then assembly is simplified and labor reduced, but weight support capacity may be insufficient

Engineering Contradiction:
Improveassembly simplicityVSAvoidweight support capacity
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

The structure combines molded plastic components for the modular housing with embedded steel reinforcement bars in the floor and wall sections. The plastic provides ease of molding and assembly, while the steel reinforcement ensures adequate weight-bearing capacity to support coffins and withstand soil loads. This composite approach integrates the advantages of both materials.

Inventive Principle:
Principle #40Composite materials

4Ease of operation

If unitary plastic structures are used, then tool-free assembly is achieved, but structural reinforcement requires additional components

Engineering Contradiction:
Improvetool-free assemblyVSAvoidstructural complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The reinforcement bars are integrated directly into the molded plastic floor and wall sections during manufacturing, creating a unified component that combines structural reinforcement with the housing element. This merging eliminates the need for separate reinforcement installation steps and reduces overall structural complexity, allowing tool-free assembly while maintaining strength.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20250347138A1Mortuary niche with modular structure that allows underground storage of coffins
Publication Date: 2025.11.13 HINOJOSA GONZALEZ DANIEL
  • US20250347138A1 patent drawing
  • US20250347138A1 patent drawing
  • US20250347138A1 patent drawing

AI summary

A funerary niche with a modular structure for underground coffin storage, which includes a structure for the underground storage of coffins that is designed to support substantial weight loads, and can be assembled quickly, safely, cleanly, and efficiently without the need for tools. The field of this invention lies within mechanics, specifically in the technical field of funeral structures.