Transponder Fixation in Blind Bore via Sealing Cap

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Solution Overview

Problem

Existing methods for fixing a transponder in a blind hole are complex and costly, often requiring multiple parts and assembly steps, which complicates the process and increases material usage.

Innovation Solution

A transponder is encased in a shell made of elastomer, silicone, or plastic, with a circumferential projection at the blind hole's mouth that is bent to securely fix the transponder in a form-fitting manner, eliminating the need for additional parts and complex assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If clamping elements and sealing elements are used to fix the transponder in the blind hole, then the transponder is securely fixed, but the device becomes complicated and expensive due to the large number of parts required

Engineering Contradiction:
Improvefixation securityVSAvoidnumber of parts
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent integrates the fixation function and sealing function into a single integrated sealing cap that closes the blind hole. This eliminates the need for separate clamping elements and sealing elements, reducing the number of parts while maintaining secure fixation and sealing of the transponder in the blind hole

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If multiple parts and assembly steps are used to fix the transponder, then reliable fixation is achieved, but the manufacturing process becomes complex and time-consuming

Engineering Contradiction:
Improvefixation reliabilityVSAvoidassembly complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The sealing cap is pre-formed with an integrated sealing structure and fixation features. The transponder is inserted into the blind hole and the sealing cap is then closed in a single operation, eliminating the need for multiple assembly steps. The preliminary design of the integrated cap structure simplifies the manufacturing process while ensuring reliable fixation

Inventive Principle:
Principle #10Preliminary action

3Reliability

If additional parts are used for transponder fixation, then secure mounting is achieved, but material usage and cost increase

Engineering Contradiction:
Improvemounting securityVSAvoidmaterial usage
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The sealing cap combines multiple functions (sealing, fixation, and protection) into a single component made from a single material structure. This eliminates the need for additional clamping elements and separate sealing elements, reducing material usage and overall cost while maintaining secure mounting of the transponder

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3867813B1Device having a blind bore for the introduction of a transponder
Publication Date: 2023.07.26 SAMSON AG
  • EP3867813B1 patent drawingFigure 1
  • EP3867813B1 patent drawingFigure 2
  • EP3867813B1 patent drawingFigure 3A~3B

AI summary

Proposed is a device (100), for example a field instrument or valve, having a blind bore for the introduction of a transponder (110), wherein the transponder (110) is surrounded by a casing (120) composed for example of a thermoplastic synthetic material, and wherein the casing (120) is designed to be suitable for fixing the transponder (110) in the blind bore. The fixing of the transponder (110) in the blind bore is in this case particularly easy, without the need for additional parts or cumbersome installation steps.