Weld-less Compactor Using Stainless Steel Fasteners

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional compactors in marine environments are labor-intensive and prone to corrosion due to welding processes, leading to high production costs and structural instability from rust formation.

Innovation Solution

The compactor replaces welded metal-to-metal connections with press-fitted connections using stainless steel, eliminating the need for welding and incorporating additional metal layers for structural support, reducing corrosion susceptibility and assembly time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If welding is used to connect metal parts in conventional compactors, then structural strength is achieved, but corrosion and rust formation occur in marine environments

Engineering Contradiction:
Improvestructural strengthVSAvoidcorrosion resistance
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The patent removes welding operations entirely from the compactor construction process. Instead of welding metal parts together, the invention uses mechanical fastening systems (bolts, nuts, and fasteners) to connect stainless steel components, thereby eliminating the source of corrosion while maintaining structural integrity

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent employs stainless steel throughout the compactor construction, including stainless steel panels, frames, and fasteners. This uniform use of corrosion-resistant material creates a composite structure that resists marine environment degradation while maintaining strength

Inventive Principle:
Principle #40Composite materials

2Ease of manufacture

If welding processes are used to construct compactors, then metal-to-metal connections are formed, but labor costs and production time increase

Engineering Contradiction:
Improveassembly efficiencyVSAvoidproduction time
Core Design Contradiction:
Ease of manufactureVSLoss of time

Solution Approach 1:

The compactor is divided into modular sections (hopper, chamber, door assembly, frame) that can be manufactured separately and assembled using pre-drilled holes and standard fasteners. This segmentation eliminates complex welding operations and allows parallel manufacturing of components

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent changes the connection method from permanent welding to reversible mechanical fastening. This parameter change in the joining process enables faster assembly, easier disassembly for maintenance, and eliminates time-consuming welding cleanup operations

Inventive Principle:
Principle #35Parameter changes

3Stability of the object's composition

If welded connections are used in compactors, then structural stability is achieved, but cracks and corrosion lead to structural instability in marine environments

Engineering Contradiction:
Improvestructural stabilityVSAvoidcorrosion from salt content
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The patent introduces stainless steel as an intermediary material that replaces carbon steel in all structural components. This material substitution acts as a mediator between the corrosive marine environment and the compactor structure, preventing corrosion while maintaining structural stability

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention extracts and removes all welded joints from the structure, eliminating the vulnerable interfaces where cracks typically initiate. By using bolted connections between stainless steel components, the patent eliminates the primary failure points in marine environment compactors

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS10415615B2Weld-less compactor
Publication Date: 2019.09.17 OEG ENVIRO PAK LLC
  • US10415615B2 patent drawing
  • US10415615B2 patent drawing
  • US10415615B2 patent drawing

AI summary

A weld-less compactor includes a side wall formed by a first panel and a second panel. Each of the first and second panels includes an L-shaped extension having an opening therethrough. The weld-less compactor also includes a fastener assembly for securing the first panel to the second panel. The fastener assembly includes a bolt and a collar. The bolt has a head and a pintail. The collar is configured to fit around the pintail of the bolt. The first panel and the second panel are secured together by engaging the openings of the first panel and the second panel with the fastener assembly.