WO2007033765A1

WO2007033765A1 - Composition of a material for a bath lift or its components

Info

Publication number: WO2007033765A1
Application number: PCT/EP2006/008677
Authority: WO
Inventors: Christof HÜBNER
Original assignee: Palesta Anstalt
Priority date: 2005-09-20
Filing date: 2006-09-06
Publication date: 2007-03-29
Also published as: EP1926463A1; EP1926463B1; DE502006008397D1; DE102005044982A1

Abstract

In the case of a composition of a material for a bath lift (R) or its components, for example seat element (9), backrest, support element, base sheets (1), drive etc., which are substantially produced from plastic, in particular polypropylene, the important components and essentially the bath lift (R) should be produced from plastic, in particular polypropylene, with antibacterial additives being added to the plastic before production of the individual components.

Description

Composition of a material for bathtub lifter or its components

The present invention relates to composition of a

Materials for bath lifter or its components, such as seat, backrest, support element, bottom blade, drive, etc., which are made essentially of plastic, especially polypropylene, and a use of a material for bath lifter and the bath lifter itself.

Such compositions are known and available in a variety of forms and designs in the market. They are also used in particular in the production of bath tub lifters or their components or components. Preferably, polypropylene is used. The disadvantage is that in conventional materials or compositions for the manufacture of components of bath tub lifters and by the constant use of Badewannenlifters in bath water, the plastic of bacterial sprouts, etc. is affected, which damage the hygiene of the user.

In addition, over time, the surfaces of the essential components of the bath lifter, by oils, bath oils, bath additives, dirt and algae, etc., so that overall the surface is difficult to clean under mechanical action and extreme treatment of strong detergents again pollute.

If a bath tub lifter is not cleaned permanently and constantly, the impurities are so strong that it is no longer possible to clean the top drawer. The bath lifter can then no longer be reused or reused, but must be replaced.

As the bathtub lifters are to be used further, it is necessary to facilitate cleaning and to improve hygiene.

The present invention is therefore an object of the invention to provide a composition, a use and a Badewannenlifter of the type mentioned, with which eliminates the disadvantages mentioned and with which a bath tub lifter or its components can be easily and inexpensively manufactured, the easy to is clean and ensures a high level of hygiene for a user. To achieve this object, the features of claim 1 and those of the independent claims.

In the present invention has proven to be particularly advantageous to the plastic, in particular the polypropylene to add a surface-smoothing and water-repellent agent or additive, wherein at the same time an antibacterial additive is added in the plastic. Antibacterial additives work particularly well with the addition of glass fibers to pure plastic.

In this has proved oberflächenglättendes improving agent to produce a nano-structured surface is a use of highly disperse pyrogenic silicas, particularly Aerosil ^® particularly advantageous.

Antibacterial additives can be used on a zirconium phosphate-based ion exchange resin containing silver. The silver ions are released to the surface at a certain speed and thus have a germicidal effect on a variety of microorganisms and are harmless to humans. These contribute significantly to the hygiene of Badewannenlifters, in particular its components.

Due to the antimicrobial and antibacterial effect, even in combination with the production of a nanostructured water-repellent surface, algae, impurities or the. Like. no longer settle in the area of the surface. Cleaning the lifter and its components is much easier. Therefore, the bath tub lifter or its components can also be reused by other users. Further advantages, features and details of the invention will become apparent from the following description of a preferred embodiment and with reference to the drawing; this shows in

Figure Ia is a schematically illustrated perspective view of a bath tub lifter;

FIG. 1b is a diagrammatically illustrated perspective side view of the bathtub lifter in the individual assemblies according to FIG.

In accordance with FIG. 1 a, a bath tub lifter R for lifting or lowering persons, for example from and into a bathtub, is shown, which has a base plate 1, which via foot elements 2 on a floor, bath floor, underbody or the like. is firmly established. In this case, the foot element 2 may be formed as suction cups.

In the bottom plate 1, a base support 5 with attached bottom plate 3 is releasably inserted, wherein the base support 5 is limited to a not only indicated here hinge 4 and pivotable via an elongated hole 6 relative to the base plate 3, in particular tilted.

Preferably, the base plate 3 is firmly fixed in position of use with the bottom plate 1 and can only be folded down for assembly purposes relative to the bottom plate 1 or taken out of this easily by releasing quick fasteners, bolts, etc.

In the base support 5, a linearly movable carriage 7 is used, as it is for example also indicated in Figure Ib. On the carriage 7 is a back Drive device 8 and the front side, a seat member 9 releasably fixed.

In this case, the carriage 7 on a holding plate 10 to there with corresponding retaining elements 15 in the rear region of the seat member 9 this set there releasable to raise by means of the carriage 7, the seat member 9 and lower relative to the bottom plate 1. As can be seen in FIG. 1b, a drive device 8 is formed from a preferably electrically operated motor 11 and a spindle unit 12, wherein the drive device 8 can be actuated via a control device 13 indicated in FIG. The control device 13 is preferably connected to the motor 11 of the drive device 8 in connection. The motor, for example, an accumulator 14 not shown here can be used integrated to supply the drive device 8 with energy wirelessly. An external energy source should also be considered.

In the present invention has proved to be particularly advantageous, essentially the bathtub lifter R or its main components, such as base plate 1, foot element 2, base plate 2, base support 5, carriage 7, drive means 8, seat member 9, holding plate 10 and holding element 15 made of plastic, especially made of polypropylene.

In order to make the bathtub lifter as easy as possible, so that it can remain in water, in bath water for a long time, yet has a high stability, is easy to clean and is hygienically clean, has proven in the present invention to be particularly advantageous, a composition a material for producing the individual components of the bathtub lifter use, which forms a nanostructured, water-repellent surface, which also has an antibacterial effect.

For this purpose, has proven to be particularly advantageous in the present invention to use as a plastic polypropylene, which glass fibers are added in different compositions, depending on the strength requirements.

The gas fibers may be added to the polypropylene in different sizes, thicknesses, in different ways.

It has proved in the present invention to be particularly advantageous to use a high temperature resistant antibacterial and antimicrobial additive, which is the polypropylene, in particular the plastic, and the glass fibers added.

The antibacterial and antimicrobial additive contains an ion exchange resin on zirconium phosphate

Base containing silver or silver ions. The

Silver ions are under influence of water from the outside to the outer surface of the plastic or the components of

Lifters transport and thus have an antibacterial and antimicrobial effect.

Is preferred as anti-bacterial or microbial additive Alphasan ^® from 1 to 3 wt.% Is used in relation to pure plastic.

To be particularly advantageous in the present invention has been found that the antibacterial or antimicrobial additive is well integrated in the plastic and in particular in the glass fibers of the plastic, with supportive by the glass fibers an outlet of silver ions to the surface to kill germs, etc. has been found to be particularly advantageous.

In addition, it is advantageous in the present invention that the plastic, in particular the polypropylene, a surface-smoothing additive is used. Preferably, the composition is added 2 to 8 wt.%, Calculated on the pure portion of plastic highly disperse fumed silica having a SiO ₂ content of over 99%. As a result, a nanostructured, refined surface of the components of the bathtub lifter is achieved in order to obtain a water and dirt repellent effect. As a result, a cleaning ability is also significantly improved. Preferably, the disperse silica in 2 to 8 wt.%, Preferably 4 wt.%, Based on the pure portion of the plastic added. It has proven particularly advantageous to employ as the surface improving agent or additive Aerosil ^®.

In the present invention, the following compositions are particularly excellent:

Plastic, in particular polypropylene 60-70% by weight

Aerosil ^® 2-8 wt.% In particular 4 wt.% Based on the pure plastic content

Alphasan ^® 0.5 to 3 wt.% In particular 1.5 wt.% Based on the pure content of plastic glass fibers 10 to 40 wt.% Based on the total weight.

Another composition has also proved to be particularly advantageous: Plastic, in particular polypropylene, approx. 60-70% by weight

Gas fibers 30 to 40% by weight

Aerosil ^® about 4 wt.% Based on the proportion by weight of a plastic, Alphasan ^® about 1.5 wt.% Relative to the pure content of plastics material.

In the present invention, antibacterial substances are added to the plastic containing silver or silver ions. These silver ions are in conjunction with water, when water is used to clean the surface of the components of the bathtub lifter, distributed to them, which kill the corresponding germs or bacteria and contribute to sterility.

At the same time can be significantly improved by the nanostructured smooth surface created, which also acts water repellent by appropriate additives, such as silica, a cleaning effect of the components of Badewannenlifters or Badewannenlifters itself, so that a germ-free and absolutely clean surface after cleaning achieved is.

DR. PETER WEISS, DIPL. -ING. A. BRECHT & DIPL. -FORSTW. PETRA ARAT

Patent Attorneys European Patent Attorney

Reference: P 3234 / PCT Date: 06.09.2006 B / MI

LIST OF REFERENCE NUMBERS

Claims

PATENT CLAIMS

1. Composition of a material for bathtub lifter

(R) or its components, such as

Seat element (9), backrest, support element,

Bottom plate (1), drive, etc., which are essentially made of plastic, in particular polypropylene,

characterized ,

in that the essential components and essentially the bathtub lifter (R) are made of plastic, in particular polypropylene, wherein the plastic has added antibacterial additives before the production of the individual components.

2. Composition of a material for bathtub lifter (R) or its components, such as seat element (9), backrest, support element, bottom blade (1), drive, etc., which are made essentially of plastic, in particular polypropylene, characterized in that the Plastic, in particular polypropylene added antibacterial additives in conjunction with glass fibers, wherein the antibacterial additives contain silver ions.

3. A composition according to claim 1 or 2, characterized in that is used as antibacterial additives ion exchange resin zirconium phosphate-based, containing silver.

4. The composition according to at least one of claims 1 to 3, characterized in that silver ions are used in the plastic, in particular integrated in polypropylene and germicidal act in conjunction with water and are discharged from the surface of the component or the Badewannenlifters to the outside.

5. The composition according to at least one of claims 1 to 4, characterized in that is used as an antibacterial additive Alphasan ^® .

6. The composition according to at least one of claims 1 to 5, characterized in that the antibacterial additive of 0.5 to 3 wt.%, In particular 1.5 wt.%, Calculated on the proportion of pure plastic, in particular polypropylene is used ,

7. The composition according to at least one of claims 1 to 6, characterized in that the plastic, in particular the polypropylene surface-smoothing and refining additives are added.

8. The composition according to at least one of claims 1 to 4, characterized in that as surface-smoothing additives fumed, fumed silica of 1 to 8 wt.% Preferably 4 wt.% Are added in relation to the pure plastic content or polypropylene.

9. The composition according to at least one of claims 1 to 8, characterized in that 2 to 8 wt.%, In particular 4 wt.% Disperse fumed silica having a SiO ₂ content of more than 99% is added.

10. The composition according to at least one of claims 1 to 9, characterized in that used as a surface-smoothing agent to achieve a nanostructured and water-repellent surface 0.5 to 8 wt.%, In particular 4 wt.% Based on the proportion of pure plastic Aerosil ^® becomes.

11. Composition of a material for producing essential components of bath tub lifters (R), such as seat element (9), back element, support element, base plate, drive, etc., which contains the following compositions:

Plastic, in particular polypropylene 60-70% by weight of ^Aerosil® 0.5-8% by weight, in particular 4% by weight, based on the pure plastic content

Alphasan ^® 0.5 to 3 wt.% In particular 1.5 wt.% Based on the pure content of plastic

Glass fibers 10 to 40 wt.% Based on the total weight.

12. Composition of a material for producing essential components of bathtub lifters (R), such as seat element (9), back element, support element, base plate, drive, etc., which contains the following compositions:

Plastic, in particular polypropylene approx. 60-70% by weight Gas fibers 30 to 40% by weight

13. Use of a material for bathtub lifter (R) or its components, such as seat element (9), backrest, support element, bottom blade (1), drive, etc., which are made essentially of plastic, in particular polypropylene, characterized in that the essential components and essentially the bathtub lifter (R) made of plastic, in particular polypropylene, wherein the plastic antibacterial additives are added prior to the preparation of the individual components.

14. Use of a material for bathtub lifter (R) or its components, such as seat element (9), backrest, support element, bottom blade (1), drive, etc., which are essentially made of plastic, in particular polypropylene, characterized in that the Plastic, in particular polypropylene added antibacterial additives in conjunction with glass fibers, wherein the antibacterial additives contain silver ions.

15. Use according to claim 13 or 14, characterized in that is used as antibacterial additives ion exchange resin zirconium phosphate-based, containing silver.

16. Use according to at least one of claims 13 to 15, characterized in that silver ions are used in the plastic, in particular integrated in polypropylene and germicidal effect in conjunction with water and are discharged from the surface of the component or the bath lifter to the outside.

17. Use according to at least one of claims 13 to

16, characterized in that is used as an antibacterial additive Alphasan ^® .

18. Use according to at least one of claims 13 to

17, characterized in that the antibacterial additive of 0.5 to 3 wt.%, In particular 1.5 wt.%, Calculated on the proportion of pure plastic, in particular polypropylene is used.

19. Use according to at least one of claims 13 to

18, characterized in that the plastic, in particular the polypropylene surface-smoothing and refining additives are added.

20. Use according to at least one of claims 13 to 16, characterized in that as surface-smoothing additives fumed, fumed silica of 1 to 8 wt.% Preferably 4 wt.% Are added in relation to the pure plastic content or polypropylene shares.

21. Use according to at least one of claims 13 to

20, characterized in that 2 to 8 wt.%, In particular 4 wt.% Disperse fumed silica having a SiO ₂ content of more than 99% is added.

22. Use according to at least one of claims 13 to

21, characterized in that 2 to 8 wt.%, In particular 4 wt.% Based on the proportion of pure plastic Aerosil ^{® is} used as a surface-smoothing agent to achieve a nanostructured and water-repellent surface.

23. Use of a material for producing essential components of bathtub lifters (R), such as seat element (9), back element, support element, base plate, drive, etc., which contains the following compositions:

Plastic, in particular polypropylene 60-70% by weight ^Aerosil® 2-8% by weight, in particular 4% by weight, based on the pure plastic content

24. Use of a material for producing essential components of bathtub lifters (R), such as seat element (9), back element, support element, base plate, drive, etc., which contains the following compositions:

Plastic, in particular polypropylene ca.60-70 wt.% Gas fibers 30 to 40 wt.% Aerosil ^® about 4% wt., Based on the a weight fraction of plastic, Alphasan ^® about 1.5 wt.% Relative to the pure content of plastics ,

25. bath lifter (R) or its components, such as seat element (9), backrest, support element, bottom blade (1), drive, etc., which are made essentially of plastic, in particular polypropylene, characterized in that the essential components and in essentially the bath tub lifter (R) made of plastic, in particular polypropylene, wherein the plastic antibacterial additives are added prior to the preparation of the individual components.

26. bathtub lifter (R) or its components, such as seat element (9), backrest,

Carrier element, bottom plate (1), drive, etc., which are essentially made of plastic, in particular polypropylene, characterized in that the plastic, in particular the polypropylene antibacterial additives are added in conjunction with glass fibers, wherein the antibacterial additives contain silver ions.

27. bath lifter according to claim 25 or 26, characterized in that as antibacterial additives

A zirconium phosphate-based ion exchange resin containing silver is used.

28. bath lifter according to at least one of claims 25 to 27, characterized in that silver ions in

Plastic, in particular integrated in the polypropylene are used and act germicidal in conjunction with water and discharged from the surface of the component or the bath lifter to the outside.

29. bath lifter according to at least one of claims 25 to 28, characterized in that is used as an antibacterial additive Alphasan ^® .

30. bath lifter according to at least one of claims 25 to 29, characterized in that the antibacterial additive of 0.5 to 3 wt.%, In particular 1.5 wt.%, Calculated on the proportion of pure plastic, in particular polypropylene is used ,

31. bath lifter according to at least one of claims 25 to 30, characterized in that the plastic, in particular the polypropylene surface-smoothing and refining additives are added.

32. bath lifter according to at least one of claims 25 to 28, characterized in that as surface-smoothing additives fumed, fumed silica of 1 to 8 wt.% Preferably 4 wt.% Added in relation to the pure plastic content or polypropylene shares.

33. Bathtub lifter according to at least one of claims 25 to 32, characterized in that 2 to 8 wt.%, In particular 4 wt.% Disperse fumed silica is added with an SiO ₂ content of over 99%.

34. Bathtub lifter according to at least one of claims 25 to 33, characterized in that as a surface-smoothing agent to achieve a nanostructured and water-repellent surface 2 to 8 wt.%, In particular 4 wt.% Based on the proportion of pure plastic Aerosil ^® is used.

35. Bath tub lifter of a material for producing essential components of bath tub lifters (R), such as seat element (9), back element, carrier element, base plate, drive, etc., which contains the following compositions:

36. Bath tub lifter of a material for producing essential components of bathtub lifters (R), such as seat element (9), back element, support element, base plate, drive, etc., which contains the following compositions: