Ceiling Formwork Compensation Element for Gap Closure

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Solution Overview

Problem

Formwork elements for concrete ceilings are not adaptable to varying surfaces, leading to gaps between the formwork and walls, and existing solutions for closing these gaps are not reusable or easily adjustable.

Innovation Solution

A formwork part with a compensation element featuring a base frame with a longitudinal support fixedly connected to transverse supports, an outer support displaceably guided on the transverse supports, and adjustable nail strips, allowing for flexible adaptation and reusability to accommodate individual gaps between formwork elements and walls.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If standard formwork elements are used, then production efficiency is maintained, but adaptability to varying surfaces and gap closure capability deteriorate

Engineering Contradiction:
Improveadaptability to varying surfacesVSAvoidformwork system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The compensation element is designed as a universal component that can be integrated into the standard formwork system to handle varying gap sizes. It features an adjustable outer support with displacement capability along the longitudinal support, allowing the same basic structure to adapt to different gap dimensions while maintaining compatibility with the standard formwork framework.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The compensation element incorporates dynamic adjustability through the outer support that can be displaced along the longitudinal support to different positions. This dynamic feature allows the formwork system to adapt to varying gap sizes by adjusting the outer support position, transforming a static formwork system into a dynamically adaptable one.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If custom-made formwork shells are used to close gaps, then gap closure precision is improved, but reusability and productivity deteriorate

Engineering Contradiction:
Improvegap closure precisionVSAvoidformwork reusability
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The compensation element is segmented into distinct functional components: a base frame with longitudinal support, transverse supports, and an adjustable outer support. This segmentation allows the compensation element to be a standardized, reusable module that can be integrated into the formwork system without requiring custom-made shells for each gap, thereby maintaining productivity while achieving precise gap closure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The compensation element achieves precise gap closure by changing the position parameter of the outer support along the longitudinal support. This parameter adjustment allows the same compensation element to adapt to different gap sizes through displacement, eliminating the need for custom-made formwork shells while maintaining reusability and productivity.

Inventive Principle:
Principle #35Parameter changes

3Stability of the object's composition

If the outer support is fixedly connected to transverse supports, then structural stability is improved, but adjustability and versatility deteriorate

Engineering Contradiction:
Improvebase frame stabilityVSAvoidouter support adjustability
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The connection between the outer support and transverse supports is designed to be displaceable rather than fixed, allowing the outer support to move along the longitudinal support to different positions. This dynamic connection maintains the stability of the base frame while enabling the outer support to adjust its position for different gap sizes, resolving the contradiction between stability and adjustability.

Inventive Principle:
Principle #15Dynamics

4Manufacturing precision

If the compensation element is designed for precise gap closure, then manufacturing precision is improved, but device complexity increases

Engineering Contradiction:
Improvegap closure precisionVSAvoidcompensation element complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The compensation element is divided into modular segments: a base frame with longitudinal and transverse supports, and a separate adjustable outer support. This segmentation achieves precise gap closure through the adjustable outer support while keeping each component relatively simple in structure, avoiding excessive overall complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The compensation element is designed as a universal module that can handle various gap sizes through the adjustable outer support. By creating a multi-functional component that can adapt to different situations, the design achieves precise gap closure without requiring multiple different complex devices for different gap scenarios.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS10640994B2Ceiling formwork comprising a formwork part having a compensation element
Publication Date: 2020.05.05 PERI GMBH
  • US10640994B2 patent drawing
  • US10640994B2 patent drawing
  • US10640994B2 patent drawing

AI summary

A formwork part having a compensation element with two transverse supports connected to a longitudinal support. An outer support is movably situated on the transverse supports. A center support may be detachably fastened to the transverse supports. The longitudinal support, the outer support, and/or the center support have/has, preferably at both ends, at least one support head receptacle, in particular formed as a connecting protrusion, in particular at least two support head receptacles, preferably formed as connecting protrusions. The connecting protrusions may be hooked into ceiling supports of the ceiling formwork. The ceiling formwork includes such a formwork part and a formwork element. The formwork element has at least one support head receptacle, in particular formed as a connecting protrusion, which may be hooked into the ceiling support of the ceiling formwork. The ceiling formwork may include the ceiling support, and the ceiling formwork may have a dual support.