Pipe Joint Applicator Feedback Control for Consistent Assembly

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Solution Overview

Problem

Existing pipe jointing techniques are prone to variability in quality due to reliance on manual skills and are influenced by environmental and subjective factors, leading to inconsistent results.

Innovation Solution

A pipe joint applicator with a control device that provides target process parameters for controlling process control means, allowing for the detection of actual process parameters and ensuring consistent and traceable assembly and disassembly of pipe connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual pipe jointing techniques are used, then ease of operation is improved, but manufacturing precision deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidjoint quality consistency
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent replaces manual mechanical operations with an automated applicator system that uses controlled mechanical forces, pneumatic actuators, and electronic control to apply jointing compounds and assemble pipe joints. This substitution eliminates the variability of manual skill while maintaining operational ease through user-friendly controls and automated processes.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If automated control systems are introduced, then manufacturing precision is improved, but device complexity increases

Engineering Contradiction:
Improvejoint quality consistencyVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The applicator system incorporates sensors and control devices that detect actual process parameters (such as compound application amount, pipe positioning, and joint assembly forces) and automatically adjust operations to maintain target parameters. This feedback mechanism ensures consistent joint quality while the control system manages complexity through automated parameter adjustment rather than requiring complex manual procedures.

Inventive Principle:
Principle #23Feedback

3Manufacturing precision

If process parameters are strictly controlled, then manufacturing precision is improved, but ease of operation deteriorates

Engineering Contradiction:
Improveprocess parameter controlVSAvoidease of operation
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The control system automatically monitors and adjusts process parameters without requiring operator intervention. The applicator self-regulates compound application rates, positioning accuracy, and assembly forces based on sensor feedback, eliminating the need for operators to manually control complex parameters while maintaining ease of operation through simple activation and monitoring.

Inventive Principle:
Principle #25Self-service

4Device complexity

If manual assembly methods are used, then device complexity is reduced, but reliability deteriorates

Engineering Contradiction:
Improvedevice complexityVSAvoidjoint quality consistency
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent replaces unreliable manual assembly with a controlled mechanical system that applies consistent forces, torques, and positioning through automated actuators and control devices. This mechanical substitution ensures reliable joint assembly by eliminating the variability of manual skill while the control system manages complexity through automated parameter regulation.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS12220878B2Pipe joint applicator and method for producing a joint
Publication Date: 2025.02.11 SWISS TECH INNOVATION AG
  • US12220878B2 patent drawing
  • US12220878B2 patent drawing
  • US12220878B2 patent drawing

AI summary

The disclosure relates to a pipe joint applicator with a control device and a method for producing a joint between a first pipe element and a second pipe element. The pipe joint applicator with a control device thereby detects actual process parameters via means for actual value detecting. The pipe joint applicator with a control device and the method determines therefrom the target process parameters for process control means for controlling the process parameters to be delivered to a pipe joint to be made. The pipe joint applicator with a control device optionally compares at least one actual value of the process parameters to at least one target process parameter and, in the event of deviation from at least one tolerance value range, issues an alarm to the user and/or generates an error protocol.