Profile tubes made of spring steel strips or elastic materials

The presented invention describes an innovative arrangement of profile tubes consisting of spring steel strips or other elastic materials. This design enables the production of stable structures that can be used flexibly in different sizes and for different applications.

Background and problem

Traditionally, scaffolding, holding devices or masts are erected by stringing pipes or beams together. However, this method has several drawbacks:

•          Long components are required even before assembly, which makes transport and handling difficult.

•          Assembling multiple parts in a row is time-consuming and often impractical.

 •         In confined spaces, such as medical device mounts, or applications such as earth drilling, it is necessary to adjust the 

                Length difficult.

There is therefore a need for a solution that can be transported compactly, extended to the required length on site and is reusable. In addition, this solution had to offer the possibility of combining several structures in order to withstand even high loads.

Solution: Mechanically stable and flexible profile tubes

The invention proposes a mechanically stable arrangement having the following properties:

1.         Compact form of transport: The profile tubes can be transported in a small starting position.

2.         Variable length: On site, they can be extended to the desired length and then retracted.

3.         Reusability: The design allows for sustainable use.

4.         Combinability: Multiple structures can be joined together to handle high weights or leverage forces.

Technical implementation

The invention is based on the design on two or more belts (1) which are unwound from rollers (2). These belts join together to form a profile tube when transitioning into a stretched shape (3). The ligaments reinforce each other in their stability. By rolling them up again, the profile tubes can be returned to their original shape.

According to claim 2, the stability of the structure is increased by the use of bistable tapes. These tapes have the following properties:

•          They can be easily rolled up in one direction.

•          However, when bending in the opposite direction, force is required, which ensures increased stability.

Applications

The profile tubes presented are suitable for numerous applications:

•          Technical applications: scaffolding for workpieces, brackets for cameras or lighting, as well as masts for communications technology and power supply.

•          Medical applications: Holders for devices in confined spaces as well as catheter structures.

•          Special applications:

•          Temporary structures such as screens or privacy screens.

•          Holding systems for robotic arms.

•          Use in 3D printing.

Advantages of the invention

The presented solution offers several advantages over conventional systems:

•          Flexibility: Customizable length according to your needs.

•          Space saving: Compact form of transport reduces logistics problems.

•          Stability: The mutual reinforcement of the belts achieves a high mechanical load capacity.

•          Reusability: Sustainable use due to retractability of the structures.

•          Versatility: Wide range of applications in various industries.

This innovation thus represents a significant improvement over existing solutions and offers practical advantages for numerous technical and medical applications.

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