Grooved Foam Pipe Insulation for Clamp Fitting Assembly

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Solution Overview

Problem

Existing pipe insulation systems are laborious and time-consuming to assemble at clamp fittings, as they require cutting and re-gluing, which weakens the insulating effect.

Innovation Solution

A pipe insulation system with an insulating jacket made of foam, featuring a design with alternating grooves and elevations that allows easy installation over clamp fittings by reducing resistance, eliminating the need for cutting and re-gluing, using a clamping ear that fits into a groove and an elevation for compression.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the insulating jacket is pushed over the clamp fitting without modifications, then the insulating effect is maintained, but the assembly becomes extremely difficult and time-consuming due to high resistance

Engineering Contradiction:
Improveease of assemblyVSAvoidassembly time
Core Design Contradiction:
Ease of manufactureVSLoss of time

Solution Approach 1:

The insulating jacket is segmented with grooves and elevations that allow it to be divided into functional zones. The grooves create separation points that enable the jacket to flex and accommodate the clamp fitting without requiring cutting or complex manipulation, thus improving ease of assembly while maintaining insulation integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The grooves and elevations are pre-formed on the insulating jacket during manufacturing. This preliminary structuring allows the jacket to naturally accommodate the clamp fitting during assembly without requiring on-site modifications such as cutting or re-gluing, significantly reducing assembly time and maintaining the insulating effect.

Inventive Principle:
Principle #10Preliminary action

2Ease of manufacture

If the insulating jacket is cut open and re-glued at the clamp fitting area, then assembly becomes possible, but the insulating effect is weakened

Engineering Contradiction:
Improveease of assemblyVSAvoidinsulating effect
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The insulating jacket incorporates grooves and elevations that segment the structure into functional zones. This segmentation allows the jacket to flex and accommodate the clamp fitting without breaking the continuous insulation layer, thereby maintaining the insulating effect while enabling easy assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The insulating jacket is designed with flexible grooves and elevations that allow the material to deform and accommodate the clamp fitting. This flexibility enables the jacket to wrap around the fitting without requiring cutting or re-gluing, preserving the continuous insulating barrier and maintaining thermal reliability.

Inventive Principle:
Principle #30Flexible shells and thin films

3Ease of manufacture

If the insulating jacket is made completely smooth, then manufacturing is simpler, but assembly over clamp fittings becomes extremely difficult due to lack of compression points

Engineering Contradiction:
Improveease of assemblyVSAvoidstructure complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The insulating jacket is segmented with grooves and elevations that create specific compression points and flexible zones. This segmentation provides defined areas where the jacket can compress to accommodate the clamp fitting, enabling easy assembly while adding minimal structural complexity through regular, repeating patterns.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The insulating jacket features local variations in structure with grooves and elevations positioned at specific locations. These local structural changes provide targeted compression points that facilitate assembly over clamp fittings, while the rest of the jacket maintains a simple, smooth appearance. The grooves and elevations are strategically placed to provide functionality without excessive complexity.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP3623684B1System comprising a pipe insulation and a pipe with compression fitting
Publication Date: 2021.04.07 GEBERIT INT AG
  • EP3623684B1 patent drawingFigure 1~2
  • EP3623684B1 patent drawingFigure 3~4
  • EP3623684B1 patent drawingFigure 5~6

AI summary

A pipe insulation (1) comprises an insulating jacket (2), in particular made of foam, wherein the insulating jacket (2) extends around a central axis (M) and completely surrounds a cavity (3) for receiving a pipe (4), and wherein the surface (5) facing the cavity (3) has a plurality of protrusions (6) and grooves (7) located between two protrusions (6). Viewed in cross-section transverse to the central axis (M), each groove (7) is located diametrically opposite each protrusion (6) to the cavity (3) or to the central axis (M).