EP3354251A1 - Massage roller - Google Patents
Massage roller Download PDFInfo
- Publication number
- EP3354251A1 EP3354251A1 EP18152690.6A EP18152690A EP3354251A1 EP 3354251 A1 EP3354251 A1 EP 3354251A1 EP 18152690 A EP18152690 A EP 18152690A EP 3354251 A1 EP3354251 A1 EP 3354251A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- massage roller
- foam
- region
- roller according
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000006260 foam Substances 0.000 claims abstract description 69
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 239000004753 textile Substances 0.000 claims description 12
- 229920000433 Lyocell Polymers 0.000 claims description 4
- 229920002334 Spandex Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 11
- 210000003205 muscle Anatomy 0.000 description 9
- 239000004744 fabric Substances 0.000 description 7
- 208000002193 Pain Diseases 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 210000003195 fascia Anatomy 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 208000000112 Myalgia Diseases 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 210000003403 autonomic nervous system Anatomy 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002920 convulsive effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000001087 myotubule Anatomy 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000008259 solid foam Substances 0.000 description 1
- 239000004834 spray adhesive Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H15/0092—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains hand-held
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
- A61H2015/0014—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis cylinder-like, i.e. rollers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0107—Constructive details modular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1253—Driving means driven by a human being, e.g. hand driven
Definitions
- the following invention relates to a massage roller, in particular for therapeutic use on a patient.
- Massage rollers are already known from the prior art.
- cylindrical body made of polymer which can stimulate by pressing or rolling movement on the body of a user, the fascia of the muscles of a user and thus can release tension and pain.
- the known from the prior art massage rollers have a very high surface hardness, which causes a user, who already has pain in the area to be treated, when acting with the hard role in this area, experiencing additional pain. This additional pain causes the user's musculature to perform a protective function as a protective function, making the treatment effect of massage of the musculature impossible. It has thus been found that the massage rollers known from the prior art are only suitable for use on largely healthy persons.
- Object of the present invention is to provide a massage roller, which is also suitable for users who already have pain in the muscles to be treated and therefore require a particularly gentle treatment.
- the massage roller comprises an inner area and an outer area, wherein the inner and the outer area are made of foam, wherein the outer area surrounds the inner area circumferentially and / or rotationally completely around a longitudinal axis and is adhesively secured to the inner area, wherein the foam of the inner area is a has higher compression strength than the foam of the outer region, wherein the contact surface between the inner and the outer region is cylindrical.
- the interior of the massage roller is made of a foam with higher compression strength than the exterior.
- the use of foam allows the compression hardness or compressive strength to be adjusted specifically to the intended application of the massage roller.
- the foam of the inner area has a higher compression strength than the foam of the outer area.
- the compression strength of the inner region is at least 20 times, particularly preferably at least 40 times, the compressive strength of the outer region.
- the massage roller is constructed such that the outer region surrounds the inner region in a rotating manner completely around a longitudinal axis, ie that the inner region is always cut at least perpendicular to the longitudinal axis starting from the longitudinal axis and then always the outer region.
- the outer region is preferably formed as a hollow cylinder, wherein the inner region is disposed within the hollow cylinder.
- the inner area and the outer area are firmly bonded together.
- the inner region is formed as a hollow cylinder.
- a hollow cylindrical design of the inner region has the advantage that, for example, by a support rod, the massage roller can be fixed relative to a wall or a certain height for a user, whereby the user can perform exercises on the thus freely rotatable massage roller.
- the inner area, which is hollow cylindrical ensures that the weight of the massage roller can be further reduced. It is understood that the remaining material thickness of the inner region is sufficiently selected in order to achieve a high strength and dimensional stability of the foam of the inner region.
- the inner region has an inner diameter and an outer diameter, each measured perpendicular to the longitudinal axis, wherein the inner diameter is in a ratio of 0.3 to 0.6 or preferably from 0.5 to 0.8 to the outer diameter.
- the inner diameter of the inner region is a measure of the size of the preferably cylindrical recess of the inner region, through which, for example, a holding rod can be pushed.
- the outer diameter of the inner region is preferably substantially equal to the contact surface between the inner region and the outer region.
- the inner diameter to the outer diameter of the inner region is thus preferably designed thick-walled, whereby a higher dimensional stability of the massage roller can be achieved and at the same time the total outer diameter of the massage roller is relatively low and a targeted application of certain smaller areas of Musculature of the user is possible.
- the recess in the inner region relative to the contact surface between the inner region and the outer region is relatively large and the inner region is formed correspondingly thin-walled.
- This preferred size ratio has proven to be useful when a particularly strong foam material is used for the interior and thus sufficient strength can be achieved even lower wall thickness of the interior.
- the overall outer diameter of the massage roller can be made somewhat larger, allowing larger-scale applications on a patient are possible and especially for large-scale damaged muscle areas gentle treatment by the massage roller according to the invention is possible.
- the inner diameter and the outer diameter of the inner region are substantially constant.
- substantially constant in the present context means that in particular at the outer diameter, i. on the contact surface between the inner region and the outer region small projections or recesses may be provided, which serve to improve the cohesive connection with the outer area.
- the average outer diameter, which is determined over the entire outer surface of the inner region is constant in each longitudinal section of the inner region (measured parallel to the longitudinal axis) and / or circumferential section.
- a constant inner and a constant outer diameter of the inner region allows a particularly simple production, whereby corresponding geometries can be cut into a foam block by simple cutting tools and thus the manufacturing costs for the massage roller in this area can already be significantly reduced.
- the foam of the outer region is bonded to the foam of the inner region, in particular by bonding.
- An adhesive bond between the outer area and the inner area allows the outer area, in particular, to be manufactured as a separate component and only subsequently bonded to the inner area. That's the way it is possible that can be dispensed with expensive two-component manufacturing process and the two formed of different foam areas of the massage roller can be made separately and inexpensively and only then with adhesive, preferably spray adhesive, are joined together cohesively. It has been found that an adhesive bond best fulfills the required strength values of the connection between the outer area and the inner area.
- the outer region is made of a substantially cuboid foam part, which is glued together on two opposite abutment surfaces.
- the outer area is preferably formed as a cuboid and particularly preferably flat foam part before it is rolled around the longitudinal axis, glued together at its opposite and in this state facing each other abutting surfaces and adhered to the inner region to form a massage roller in the context of the present invention.
- the production of a substantially cuboid foam part is particularly cost-effective and it can be kept low in this way the manufacturing cost and also the production time for a massage roller.
- the substantially parallelepiped-shaped design of the foam part means that a deviation from the parallelepiped shape can be present in particular at the abutting surfaces to be bonded to one another, in order in particular to permit large-area bonding in this area.
- the outer region is preferably made of a foam part which is curved around the longitudinal axis and which is glued together on two opposite abutment surfaces.
- an already curved foam part is preferably used.
- this foam part is already curved around the longitudinal axis in such a way that the recess into which the inner region can be inserted is already formed. In this state, before the connection with the interior, For example, the outer foam part is not elastically deformed and substantially free of internal stress.
- the outer region is formed from a hollow cylindrical foam part into which the inner region can be inserted and glued to the inner surface of the outer region.
- curved foam part is preferably cut out of a solid foam block or made by foaming in a correspondingly curved shape.
- the abutting surfaces of the substantially cuboid foam part are provided with an S-shaped geometry.
- This - seen in a cross section perpendicular to the longitudinal axis - S-shaped geometry allows the bonding of the abutting surfaces a large contact area between the abutting surfaces and a partial overlap. In this way, both tensile and shear stress can be absorbed by the adhesive surface under load of the massage roller and evenly distributed in the two abutting surfaces of the outdoor area. The strength of the bonding of the two abutting surfaces of the outer area is thereby significantly increased.
- the abutment surfaces are provided with a simple chamfer.
- the abutment surfaces do not extend parallel to a radial of the curved outer region, but are inclined to this radial
- the foam of the outer region has a compression hardness of 3 kPa to 15 kPa, preferably from 8 to 10 kPa. It has been shown that this compressive strength of the foam of the outer area is perfectly suited to achieve a gentle yet sufficient pressure on the body and the musculature of a user in order to stimulate the upper muscle layers of fascia accordingly.
- the range of 3 kPa to 15 kPa includes all possible applications and health condition cases for which a massage roller is to be suitable in the context of the present invention.
- the Anesthetic hardness of 3 kPa is used for particularly painful damaged areas of the musculature in order to allow a particularly gentle treatment without the risk of convulsive contractions of the muscles.
- a compressive strength of 15 kPa makes it possible to treat painless tissue of a user accordingly and to stimulate the muscles and fascia accordingly.
- a particularly preferred average for most of the pain to be treated by the massage roller has been the compressive strength range of 8 kPa to 10 kPa, in which area the vast majority of patients with orthopedic complaints can be treated.
- the outer diameter of the inner region to the outer diameter of the outer region in a ratio of 0.15 to 0.5 or from 0.35 to 0.6.
- the outer diameter of the inner area is preferably equal to the inner diameter of the outer area when the inner area and the outer area are glued together. In other words, the outer diameter of the inner region corresponds exactly to the contact surfaces between the inner region and the outer region and the inner surface of the outer region.
- the preferred ratio range of 0.15 to 0.5 of the outer diameter of the inner region to the outer diameter of the outer region has been found to be particularly advantageous for foam as a production material of the outer region with a compression hardness of 9 to 15 kPa, as with the slightly thinner outer area and the a slightly higher compressive strength of the foam of the outer area a particularly favorable pressure of the muscle areas of the user can be achieved, which is particularly suitable for low-damaged muscle areas.
- the outer region is thus thick-walled, whereby a larger deformation path is available during deformation and thus a uniform increase even with a somewhat softer foam material with a lower compression hardness of approximately 3 to 9 kPa the contact pressure is possible and thus a greater latitude for adjusting the contact pressure for a user is available.
- the ratio range of 0.35 Up to 0.6 has proven to be particularly for more damaged and already plagued by great pain muscle areas of users.
- the foam of the outer region is an open-celled PUR foam.
- an open-cell polyurethane foam, or polyurethane foam it is particularly possible to produce the wide range of required compression hardness of 3 to 15 kPa, in particular the compression process or the elastic deformation process of an open-celled polyurethane foam uniform increase in contact pressure or reached the contact pressure. In this way, by increasing or decreasing the deformation path of the exterior, a user can directly and selectively adjust the contact force to his muscle tissue.
- the outer area is provided with a coating which has a thickness of 20 microns to 4 mm, preferably 80 microns to 2 mm, wherein the coating has a smoother surface than the foam of the outer area.
- a coating which has a thickness of 20 microns to 4 mm, preferably 80 microns to 2 mm, wherein the coating has a smoother surface than the foam of the outer area.
- the coating prevents sweat and dirt from sticking in the open-cell foam and collecting there. In this way the coating achieves an increase in hygiene when used with the massage roller.
- the coating with its smooth surface, allows a fabric or textile cover to be easily pulled over the massage roller.
- the coating is preferably formed from PU, which is particularly simple and inexpensive to produce.
- the coating can be formed from the somewhat more expensive material to be produced PVC.
- the coating is sprayed on the outside or this provided by impregnation with the appropriate coating.
- a preferred coating thickness of 1 mm to 4 mm it is possible to provide the coating as a separate component and via an adhesive bond with the surface of the Outside at this set. This production method is the most cost-effective, since no expensive spraying or impregnating device must be present, but the coating is easily wrapped around the outside and glued simultaneously with this.
- the coating is to affect and impair the elastic deformability of the outer area only very little, its thickness is preferably maintained in the range of 20 microns to 1 mm, whereby the outdoor area is least affected by the changed elastic deformability and at the same time the Coating has a sufficient thickness to withstand the deformation stresses.
- the inner region is formed from an EPP foam which has a density of from 30 kg / m 3 to 260 kg / m 3 and preferably from 90 kg / m 3 to 110 kg / m 3 .
- EPP foam with a density of 30 to 260 kg / m 3 always has sufficient strength to support the outer region of the massage roller.
- the particularly preferred volume weight of 90 to 110 kg / m 3 in particular applied when the inner area is hollow cylindrical and it is possible to carry out the weight saving on the massage roller by adjusting the recess of the inner area.
- a textile cover is provided, which is formed tubular, in order to be raised to the outside can.
- the textile cover is preferably a tubular textile product, which has at its respective ends a corresponding loop arrangement, via which the textile cover can be lashed to the massage roller, in particular on the outer regions of the massage roller.
- the textile cover ensures protection of the outside and also achieves a comfort increase for the user, since it can be made, for example, from a pleasantly supple terry cloth.
- the fabric cover contains lyocell, polyester and elastane. It is possible to equip the fabric cover with stimulating and interacting with the skin of the user fabrics, which in addition to the pressing of the muscle fiber areas of the user allow additional chemical or bioelectric stimulation of the skin of the user and thus additionally the healing process in the treatment of a user with the Improve massage roller.
- the textile fiber mixture from VENEX which contains the regeneration fiber V-TEX®, is particularly preferably used.
- TENCEL® is used as the lyocell material, which besides platinum also contains minerals and allows a bioelectric stimulation of the user's autonomic nervous system.
- FIG. 1 shows a curved foam part 4A for producing a massage roller, which is intended to form the outer region of the massage roller.
- the foam part 4A has two abutment surfaces 42, which are preferably inclined to a radial about the longitudinal axis. In other words, the abutment surfaces do not extend perpendicular to the tangent of the curvature of the foam part 4A in the intersection between the abutment surface and the outer or inner circumferential surface of the foam part 4A
- FIG. 2 shows an intermediate step of producing an embodiment of the massage roller according to the invention.
- the inner region 2 is used in the curved foam part 4A, which is formed substantially hollow cylindrical.
- the abutment surfaces 42 of in Fig. 2 shown foam part 4A are, in contrast to the in Fig. 1 embodiment shown arranged perpendicular to the tangents of the curvature of the foam part. Although this results in smaller abutment surfaces 42 for bonding together, but is easier to manufacture.
- the already curved produced foam part 4A with oblique abutment surfaces 42, which in Fig. 1 shown is to be used.
- a contact surface 5 is formed between the inner region 2 and the outer region, which has already been rolled around the longitudinal axis L, cuboidal foam part 4A (see FIG Fig. 3 ), in which a bonding of the inner region 2 with the foam part 4A, or the outer region 4 is produced.
- the abutment surfaces 42 are glued together, whereby the outer region 4 is replaced by a hollow cylindrical shape.
- FIG. 3 Finally, an embodiment of the finished massage roller shows. Between the inner region 2 and the outer region 4, a contact surface 5 is formed, in which the two regions 2, 4 are glued together. Furthermore, it is shown that the inner region has an inner diameter a and an outer diameter b and the outer region has an outer diameter c. These diameters are in preferred and previously described proportions to each other. In the Fig. 3 The massage roller shown can then be particularly preferably provided with a coating which covers at least the open-cell foam of the outer region 4.
- FIG. 4 shows a sectional view of a preferred embodiment of the massage roller according to the invention, wherein over the composite of the inner area 2 and outer area 4, a fabric cover 8 is coated.
- the fabric cover 8 is preferably formed tubular and can be seen pulled at its respective ends in the longitudinal direction L by a cord to be firmly connected to the composite of the inner area 2 and outer area 4.
- the outer area is provided with a coating which on the one hand protects the foam of the outer area against contamination and on the other hand facilitates the coating of the textile cover 8.
- the diameters a, b, c are shown.
- FIG. 5 a foam part 4A is shown, which is cuboid-shaped and has two abutment surfaces 42.
- This foam part 4A is, as an alternative to that in Fig. 1 shown already curved foam part 4A, destined to be rolled about a longitudinal axis L and thus to form the outer region 4 of the massage roller.
- the two abutment surfaces 42 in this case have a preferably S-shaped curved shape, through which the adhesive surface for connecting the two abutting surfaces 42 can be increased with each other.
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Massaging Devices (AREA)
Abstract
Massagerolle, aufweisend einen Innenbereich und einen Außenbereich,wobei der Innen- und der Außenbereich aus Schaumstoff ausgebildet sind, wobei der Außenbereich den Innenbereich um eine Längsachse umfänglich vollständig umgibt und am Innenbereich stoffschlüssig festgelegt ist, wobei der Schaumstoff des Innenbereiches eine höhere Stauchfestigkeit aufweist als der Schaumstoff des Außenbereiches, wobei die Kontaktfläche zwischen dem Innen- und dem Außenbereich zylinderförmig ist. Massage roller, comprising an inner region and an outer region, wherein the inner and the outer region are formed of foam, wherein the outer region surrounds the inner region circumferentially completely around a longitudinal axis and is firmly bonded to the inner region, wherein the foam of the inner region has a higher compression strength than that Foam of the outer area, wherein the contact surface between the inner and the outer area is cylindrical.
Description
Die folgende Erfindung betrifft eine Massagerolle, insbesondere für den therapeutischen Einsatz an einem Patienten.The following invention relates to a massage roller, in particular for therapeutic use on a patient.
Massagerollen sind aus dem Stand der Technik bereits bekannt. So werden insbesondere aus Polymer hergestellte zylindrische Körper verwendet, welche durch pressende oder rollende Bewegung an dem Körper eines Anwenders die Faszien der Muskeln eines Anwenders stimulieren und somit Verspannungen und Schmerzen lösen können. Die aus dem Stand der Technik bekannten Massagerollen weisen dabei jedoch eine sehr hohe Oberflächenhärte auf, die dazu führt, dass ein Anwender, welcher ohnehin schon Schmerzen in dem zu behandelnden Bereich hat, beim Einwirken mit der harten Rolle auf diesen Bereich, zusätzliche Schmerzen erfährt. Diese zusätzlichen Schmerzen führen dazu, dass die Muskulatur des Anwenders als Schutzfunktion eine Anspannung durchführt, wodurch der behandelnde Effekt der Massage der Muskulatur unmöglich wird. Es hat sich somit gezeigt, dass die aus dem Stand der Technik bekannten Massagerollen nur für den Einsatz an weitestgehend gesunden Personen geeignet sind.Massage rollers are already known from the prior art. Thus, in particular, cylindrical body made of polymer is used, which can stimulate by pressing or rolling movement on the body of a user, the fascia of the muscles of a user and thus can release tension and pain. However, the known from the prior art massage rollers have a very high surface hardness, which causes a user, who already has pain in the area to be treated, when acting with the hard role in this area, experiencing additional pain. This additional pain causes the user's musculature to perform a protective function as a protective function, making the treatment effect of massage of the musculature impossible. It has thus been found that the massage rollers known from the prior art are only suitable for use on largely healthy persons.
Aufgabe der vorliegenden Erfindung ist es, eine Massagerolle bereitzustellen, welche auch für Anwender geeignet ist, die bereits Schmerzen in der zu behandelnden Muskulatur haben und die daher eine besonders schonende Behandlung benötigen.Object of the present invention is to provide a massage roller, which is also suitable for users who already have pain in the muscles to be treated and therefore require a particularly gentle treatment.
Diese Aufgabe wird gelöst durch eine Massagerolle mit den Merkmalen von Anspruch 1. Weitere Vorteile und Merkmale der vorliegenden Erfindung ergeben sich aus den abhängigen Ansprüchen.This object is achieved by a massage roller with the features of claim 1. Further advantages and features of the present invention will become apparent from the dependent claims.
Erfindungsgemäß umfasst die Massagerolle einen Innenbereich und einen Außenbereich, wobei der Innen- und der Außenbereich aus Schaumstoff ausgebildet sind, wobei der Außenbereich den Innenbereich um eine Längsachse umfänglich und/oder rotierend vollständig umgibt und am Innenbereich stoffschlüssig festgelegt ist, wobei der Schaumstoff des Innenbereichs eine höhere Stauchfestigkeit aufweist als der Schaumstoff des Außenbereichs, wobei die Kontaktfläche zwischen dem Innen-und dem Außenbereich zylinderförmig ist. Der Innenbereich der Massagerolle ist aus einem Schaumstoff mit höherer Stauchfestigkeit ausgestattet als der Außenbereich. Durch die Verwendung von Schaumstoff sowohl im Innenbereich als auch im Außenbereich lässt sich zum einen das Gewicht der Massagerolle deutlich reduzieren, wodurch diese besonders einfach und günstig zu transportieren ist. Zum anderen erlaubt es die Verwendung von Schaumstoff sowohl im Innenbereich als auch im Außenbereich, die Stauchhärte bzw. Stauchfestigkeit ganz gezielt auf die vorgesehene Anwendung der Massagerolle einzustellen. Mit Vorteil weist der Schaumstoff des Innenbereichs eine höhere Stauchfestigkeit auf als der Schaumstoff des Außenbereichs. Mit Vorteil ist die Stauchfestigkeit des Innenbereiches ein zumindest 20-faches, besonders bevorzugt ein zumindest 40-faches der Stauchfestigkeit des Außenbereiches. Weiterhin ist die Massagerolle derart aufgebaut, dass der Außenbereich den Innenbereich um eine Längsachse rotierend vollständig umgibt, d.h., dass zumindest senkrecht zur Längsachse gesehen stets ausgehend von der Längsachse zunächst der Innenbereich geschnitten wird und dann stets der Außenbereich. Mit anderen Worten ist der Außenbereich vorzugsweise hohlzylinderförmig ausgebildet, wobei der Innenbereich innerhalb des Hohlzylinders angeordnet ist. Darüber hinaus sind der Innenbereich und der Außenbereich stoffschlüssig miteinander verbunden. Mittels einer stoffschlüssigen Verbindung kann eine besonders hohe Dauerfestigkeit der Massagerolle erreicht werden, so dass auch nach zahlreich wiederholter Belastung der Massagerolle trotzdem die Integrität des Materials sowohl des Innen- als auch des Außenbereichs gewahrt werden kann. Der Innenbereich stützt dabei den Außenbereich bei einer Abrollbewegung der Massagerolle, so dass ein Abrollen eines Anwenders auf der Massagerolle stets in einer Rollbewegung stattfinden kann, ohne dass die Massagerolle derart elastisch verformt wird, dass ein Rollen nicht mehr möglich ist.According to the invention, the massage roller comprises an inner area and an outer area, wherein the inner and the outer area are made of foam, wherein the outer area surrounds the inner area circumferentially and / or rotationally completely around a longitudinal axis and is adhesively secured to the inner area, wherein the foam of the inner area is a has higher compression strength than the foam of the outer region, wherein the contact surface between the inner and the outer region is cylindrical. The interior of the massage roller is made of a foam with higher compression strength than the exterior. Through the use of foam both indoors and outdoors, on the one hand, the weight of the massage roller can be significantly reduced, making it particularly easy and inexpensive to transport. On the other hand, the use of foam, both indoors and outdoors, allows the compression hardness or compressive strength to be adjusted specifically to the intended application of the massage roller. Advantageously, the foam of the inner area has a higher compression strength than the foam of the outer area. Advantageously, the compression strength of the inner region is at least 20 times, particularly preferably at least 40 times, the compressive strength of the outer region. Furthermore, the massage roller is constructed such that the outer region surrounds the inner region in a rotating manner completely around a longitudinal axis, ie that the inner region is always cut at least perpendicular to the longitudinal axis starting from the longitudinal axis and then always the outer region. In other words, the outer region is preferably formed as a hollow cylinder, wherein the inner region is disposed within the hollow cylinder. In addition, the inner area and the outer area are firmly bonded together. By means of a cohesive connection, a particularly high fatigue strength of the massage roller can be achieved, so that even after numerous repeated loading of the massage roller, the integrity of the material of both the indoor and outdoor can be maintained. The inner area supports the outer area during a rolling movement of the massage roller, so that a rolling of a user on the massage roller can always take place in a rolling motion, without the massage roller is elastically deformed so that rolling is no longer possible.
Besonders bevorzugt ist der Innenbereich hohlzylinderförmig ausgebildet. Eine hohlzylinderförmige Ausbildung des Innenbereichs hat den Vorteil, dass beispielsweise durch eine Haltestange die Massagerolle relativ zu einer Wand oder in einer bestimmten Höhe für einen Anwender fixiert werden kann, wodurch der Anwender auf der somit frei drehbaren Massagerolle Übungen ausführen kann. Darüber hinaus sorgt der Innenbereich, welcher hohlzylinderförmig ausgebildet ist, dafür, dass das Gewicht der Massagerolle weiterhin reduziert werden kann. Es versteht sich, dass die verbleibende Materialstärke des Innenbereichs ausreichend gewählt ist, um eine hohe Festigkeit und Formstabilität des Schaumstoffs des Innenbereichs, erreichen zu können.Particularly preferably, the inner region is formed as a hollow cylinder. A hollow cylindrical design of the inner region has the advantage that, for example, by a support rod, the massage roller can be fixed relative to a wall or a certain height for a user, whereby the user can perform exercises on the thus freely rotatable massage roller. In addition, the inner area, which is hollow cylindrical, ensures that the weight of the massage roller can be further reduced. It is understood that the remaining material thickness of the inner region is sufficiently selected in order to achieve a high strength and dimensional stability of the foam of the inner region.
Besonders bevorzugt weist der Innenbereich einen Innendurchmesser und einen Außendurchmesser, jeweils senkrecht gemessen zur Längsachse auf, wobei der Innendurchmesser in einem Verhältnis von 0,3 bis 0,6 oder vorzugsweise von 0,5 bis 0,8 zum Außendurchmesser steht. Der Innendurchmesser des Innenbereichs ist mit anderen Worten ein Maß für die Größe der vorzugsweise zylinderförmigen Aussparung des Innenbereichs, durch welche beispielsweise eine Haltestange hindurchgeschoben werden kann. Gleichzeitig ist der Außendurchmesser des Innenbereichs vorzugsweise im Wesentlichen gleich zur Kontaktfläche zwischen dem Innenbereich und dem Außenbereich. Bei einem bevorzugten Verhältnis von 0,3 bis 0,6 des Innendurchmessers zum Außendurchmesser ist somit der Innenbereich vorzugsweise dickwandig ausgestaltet, wodurch eine höhere Formstabilität der Massagerolle erreicht werden kann und gleichzeitig der Gesamtaußendurchmesser der Massagerolle relativ gering ist und eine gezielte Anwendung bestimmter kleinerer Bereiche der Muskulatur des Anwenders möglich ist. Bei dem alternativ bevorzugten Verhältnisbereich von 0,5 bis 0,8 des Innendurchmessers zum Außendurchmesser des Innenbereichs ist die Aussparung im Innenbereich relativ zur Kontaktfläche zwischen dem Innenbereich und dem Außenbereich verhältnismäßig groß und der Innenbereich entsprechend dünnwandiger ausgebildet. Dieses bevorzugte Größenverhältnis hat sich bewährt, wenn für den Innenbereich ein besonders festes Schaumstoffmaterial verwendet wird und somit auch geringerer Wandstärke des Innenbereichs ausreichende Festigkeiten erzielt werden können. Gleichzeitig kann dabei der Gesamtaußendurchmesser der Massagerolle etwas größer gestaltet werden, wodurch großflächigere Anwendungen an einem Patienten möglich sind und besonders für großflächige geschädigte Muskelbereiche eine schonende Behandlung durch die erfindungsgemäße Massagerolle möglich wird.Particularly preferably, the inner region has an inner diameter and an outer diameter, each measured perpendicular to the longitudinal axis, wherein the inner diameter is in a ratio of 0.3 to 0.6 or preferably from 0.5 to 0.8 to the outer diameter. In other words, the inner diameter of the inner region is a measure of the size of the preferably cylindrical recess of the inner region, through which, for example, a holding rod can be pushed. At the same time, the outer diameter of the inner region is preferably substantially equal to the contact surface between the inner region and the outer region. At a preferred ratio of 0.3 to 0.6 of the inner diameter to the outer diameter of the inner region is thus preferably designed thick-walled, whereby a higher dimensional stability of the massage roller can be achieved and at the same time the total outer diameter of the massage roller is relatively low and a targeted application of certain smaller areas of Musculature of the user is possible. In the alternative preferred ratio range of 0.5 to 0.8 of the inner diameter To the outer diameter of the inner region, the recess in the inner region relative to the contact surface between the inner region and the outer region is relatively large and the inner region is formed correspondingly thin-walled. This preferred size ratio has proven to be useful when a particularly strong foam material is used for the interior and thus sufficient strength can be achieved even lower wall thickness of the interior. At the same time, the overall outer diameter of the massage roller can be made somewhat larger, allowing larger-scale applications on a patient are possible and especially for large-scale damaged muscle areas gentle treatment by the massage roller according to the invention is possible.
Ferner bevorzugt sind der Innendurchmesser und der Außendurchmesser des Innenbereichs im Wesentlichen konstant. Im Wesentlichen konstant bedeutet im vorliegenden Zusammenhang, dass insbesondere am Außendurchmesser, d.h. an der Kontaktfläche zwischen dem Innenbereich und dem Außenbereich kleine Vor- oder Rücksprünge vorgesehen sein können, welche der Verbesserung der stoffschlüssigen Verbindung mit dem Außenbereich dienen. Der mittlere Außendurchmesser, welcher über die gesamte Außenfläche des Innenbereichs bestimmt wird, ist aber in jedem Längenabschnitt des Innenbereichs (parallel zur Längsachse gemessen) und/oder Umfangsabschnitt konstant. Ein konstanter Innen- und ein konstanter Außendurchmesser des Innenbereichs erlaubt eine besonders einfache Fertigung, wodurch durch einfache Schnittwerkzeuge entsprechende Geometrien in einen Schaumstoffblock eingeschnitten werden können und somit die Fertigungskosten für die Massagerolle in diesem Bereich bereits deutlich gesenkt werden können.Further preferably, the inner diameter and the outer diameter of the inner region are substantially constant. Substantially constant in the present context means that in particular at the outer diameter, i. on the contact surface between the inner region and the outer region small projections or recesses may be provided, which serve to improve the cohesive connection with the outer area. However, the average outer diameter, which is determined over the entire outer surface of the inner region, is constant in each longitudinal section of the inner region (measured parallel to the longitudinal axis) and / or circumferential section. A constant inner and a constant outer diameter of the inner region allows a particularly simple production, whereby corresponding geometries can be cut into a foam block by simple cutting tools and thus the manufacturing costs for the massage roller in this area can already be significantly reduced.
Besonders bevorzugt ist der Schaumstoff des Außenbereichs mit dem Schaumstoff des Innenbereichs stoffschlüssig, insbesondere durch Kleben verbunden. Eine Klebeverbindung des Außenbereichs mit dem Innenbereich erlaubt es, dass insbesondere der Außenbereich als separates Bauteil gefertigt werden und erst anschließend mit dem Innenbereich verklebt werden kann. Auf diese Weise ist es möglich, dass auf aufwendige Zwei-Komponenten-Herstellungsverfahren verzichtet werden kann und die beiden aus verschiedenem Schaumstoff ausgebildeten Bereiche der Massagerolle separat und kostengünstig gefertigt werden können und erst anschließend mit Kleber, vorzugsweise Sprühkleber, miteinander stoffschlüssig verbunden werden. Es hat sich gezeigt, dass eine Klebeverbindung die geforderten Festigkeitswerte der Verbindung des Außenbereichs mit dem Innenbereich am besten erfüllt.Particularly preferably, the foam of the outer region is bonded to the foam of the inner region, in particular by bonding. An adhesive bond between the outer area and the inner area allows the outer area, in particular, to be manufactured as a separate component and only subsequently bonded to the inner area. That's the way it is possible that can be dispensed with expensive two-component manufacturing process and the two formed of different foam areas of the massage roller can be made separately and inexpensively and only then with adhesive, preferably spray adhesive, are joined together cohesively. It has been found that an adhesive bond best fulfills the required strength values of the connection between the outer area and the inner area.
Besonders bevorzugt ist der Außenbereich aus einem im Wesentlichen quaderförmigen Schaumstoffteil, welches an zwei gegenüberliegenden Stoßflächen zusammengeklebt ist, hergestellt. Der Außenbereich ist dabei vorzugsweise als quaderförmiges und besonders bevorzugt flaches Schaumstoffteil ausgebildet, bevor dieses um die Längsachse gerollt, an seinen gegenüberliegenden und in diesem Zustand aufeinander zu weisenden Stoßflächen zusammengeklebt und am Innenbereich festgeklebt wird, um eine Massagerolle im Sinne der vorliegenden Erfindung zu bilden. Die Herstellung eines im Wesentlichen quaderförmigen Schaumstoffteils ist besonders kostengünstig und es können auf diese Weise die Herstellungskosten und auch die Herstellungszeit für eine Massagerolle gering gehalten werden. Die im Wesentlichen quaderförmige Ausbildung des Schaumstoffteils bedeutet dabei, dass insbesondere an den aneinander zu verklebenden Stoßflächen eine Abweichung von der Quaderform vorhanden sein kann, um insbesondere eine großflächige Verklebung in diesem Bereich zu erlauben.Particularly preferably, the outer region is made of a substantially cuboid foam part, which is glued together on two opposite abutment surfaces. The outer area is preferably formed as a cuboid and particularly preferably flat foam part before it is rolled around the longitudinal axis, glued together at its opposite and in this state facing each other abutting surfaces and adhered to the inner region to form a massage roller in the context of the present invention. The production of a substantially cuboid foam part is particularly cost-effective and it can be kept low in this way the manufacturing cost and also the production time for a massage roller. The substantially parallelepiped-shaped design of the foam part means that a deviation from the parallelepiped shape can be present in particular at the abutting surfaces to be bonded to one another, in order in particular to permit large-area bonding in this area.
Alternativ bevorzugt ist der Außenbereich aus einem um die Längsachse gekrümmten Schaumstoffteil, welches an zwei gegenüberliegenden Stoßflächen zusammengeklebt ist, hergestellt. Im Gegensatz zur Verwendung eines quaderförmigen Schaumstoffteils, welches nach seiner Bereitstellung um die Längsachse gekrümmt werden muss, dabei elastisch verformt wird und daher nicht spannungsfrei ist, wird bevorzugt ein bereits gekrümmtes Schaumstoffteil verwendet. Besonders bevorzugt ist dieses Schaumstoffteil bereits derart um die Längsachse gekrümmt, dass die Aussparung, in welche der Innenbereich eingesetzt werden kann bereits ausgebildet ist. In diesem Zustand, also vor der Verbindung mit dem Innenbereich, ist das den Außenbereich bildende Schaumstoffteil nicht elastisch verformt und im Wesentlichen frei von internen Spannungen. In einer weiterhin bevorzugten Ausführungsform ist der Außenbereich aus einem hohlzylinderförmigen Schaumstoffteil ausgebildet, in welches der Innenbereich eingesetzt und mit der Innenfläche des Außenbereiches verklebt werden kann. In beiden Fällen ist gekrümmte Schaumstoffteil bevorzugt aus einem Schaumstoffvollblock herausgeschnitten oder durch Aufschäumen in einer entsprechend gekrümmten Form hergestellt.Alternatively, the outer region is preferably made of a foam part which is curved around the longitudinal axis and which is glued together on two opposite abutment surfaces. In contrast to the use of a cuboid foam part, which must be curved after its provision around the longitudinal axis, is thereby elastically deformed and therefore not tension-free, an already curved foam part is preferably used. Particularly preferably, this foam part is already curved around the longitudinal axis in such a way that the recess into which the inner region can be inserted is already formed. In this state, before the connection with the interior, For example, the outer foam part is not elastically deformed and substantially free of internal stress. In a further preferred embodiment, the outer region is formed from a hollow cylindrical foam part into which the inner region can be inserted and glued to the inner surface of the outer region. In both cases, curved foam part is preferably cut out of a solid foam block or made by foaming in a correspondingly curved shape.
Besonders bevorzugt sind die Stoßflächen des im Wesentlichen quaderförmigen Schaumstoffteils mit einer S-förmigen Geometrie ausgestattet. Diese - in einem Querschnitt senkrecht zur Längsachse gesehene - S-förmige Geometrie erlaubt beim Zusammenkleben der Stoßflächen eine große Kontaktfläche zwischen den Stoßflächen und eine teilweise Überlappung. Auf diese Weise kann durch die Klebfläche stets sowohl Zug- als auch Schubbeanspruchung bei Belastung der Massagerolle aufgenommen und gleichmäßig in die beiden Stoßflächen des Außenbereichs verteilt werden. Die Festigkeit der Verklebung der beiden Stoßflächen des Außenbereichs ist dadurch deutlich erhöht.Particularly preferably, the abutting surfaces of the substantially cuboid foam part are provided with an S-shaped geometry. This - seen in a cross section perpendicular to the longitudinal axis - S-shaped geometry allows the bonding of the abutting surfaces a large contact area between the abutting surfaces and a partial overlap. In this way, both tensile and shear stress can be absorbed by the adhesive surface under load of the massage roller and evenly distributed in the two abutting surfaces of the outdoor area. The strength of the bonding of the two abutting surfaces of the outer area is thereby significantly increased.
Alternativ bevorzugt und einfacher herzustellen als eine S-förmige Geometrie der Stoßflächen sind die Stoßflächen mit einer einfachen Anschrägung versehen. Mit anderen Worten erstrecken sich die Stoßflächen nicht parallel zu einer Radialen des gekrümmten Außenbereiches, sondern stehen schräg zu dieser RadialenAlternatively preferable and easier to manufacture than an S-shaped geometry of the abutting surfaces, the abutment surfaces are provided with a simple chamfer. In other words, the abutment surfaces do not extend parallel to a radial of the curved outer region, but are inclined to this radial
Mit Vorteil weist der Schaumstoff des Außenbereichs eine Stauchhärte von 3 kPa bis 15 kPa, vorzugsweise von 8 bis 10 kPa, auf. Es hat sich gezeigt, dass diese Stauchhärte des Schaumstoffs des Außenbereichs perfekt geeignet ist, um eine zwar schonende, aber dennoch ausreichende Pressung auf den Körper und die Muskulatur eines Anwenders zu erreichen, um dessen obere Muskelschichten von Faszien entsprechend anregen zu können. Dabei umfasst der Bereich von 3 kPa bis 15 kPa alle möglichen Anwendungs- und Gesundheitszustandsfälle, für welche eine Massagerolle im Sinne der vorliegenden Erfindung geeignet sein soll. Die Stauchhärte von 3 kPa wird dabei bei besonders schmerzhaft geschädigten Muskulaturbereichen angewendet, um eine besonders schonende Behandlung ohne die Gefahr von krampfartigem Zusammenziehen der Muskeln zu erlauben. Eine Stauchhärte von 15 kPa erlaubt es dabei, fast schmerzfreies Gewebe eines Anwenders entsprechend zu therapieren und die Muskeln und Faszien entsprechend anzuregen. Als besonders bevorzugter Mittelwert für den Großteil der durch die Massagerolle zu behandelnden Schmerzen hat sich der Stauchhärtebereich von 8 kPa bis 10 kPa erwiesen, wobei in diesem Bereich die überwiegende Mehrheit der mit orthopädischen Beschwerden belasteten Patienten behandelt werden kann.Advantageously, the foam of the outer region has a compression hardness of 3 kPa to 15 kPa, preferably from 8 to 10 kPa. It has been shown that this compressive strength of the foam of the outer area is perfectly suited to achieve a gentle yet sufficient pressure on the body and the musculature of a user in order to stimulate the upper muscle layers of fascia accordingly. In this case, the range of 3 kPa to 15 kPa includes all possible applications and health condition cases for which a massage roller is to be suitable in the context of the present invention. The Anesthetic hardness of 3 kPa is used for particularly painful damaged areas of the musculature in order to allow a particularly gentle treatment without the risk of convulsive contractions of the muscles. A compressive strength of 15 kPa makes it possible to treat painless tissue of a user accordingly and to stimulate the muscles and fascia accordingly. A particularly preferred average for most of the pain to be treated by the massage roller has been the compressive strength range of 8 kPa to 10 kPa, in which area the vast majority of patients with orthopedic complaints can be treated.
Weiterhin bevorzugt steht der Außendurchmesser des Innenbereichs zum Außendurchmesser des Außenbereichs in einem Verhältnis von 0,15 bis 0,5 oder von 0,35 bis 0,6. Der Außendurchmesser des Innenbereichs ist im zusammengeklebten Zustand des Innenbereichs und des Außenbereichs vorzugsweise gleich dem Innendurchmesser des Außenbereichs. Mit anderen Worten entspricht der Außendurchmesser des Innenbereichs exakt der Kontaktflächen zwischen dem Innenbereich und dem Außenbereich sowie der Innenfläche des Außenbereichs. Der bevorzugte Verhältnisbereich von 0,15 bis 0,5 des Außendurchmessers des Innenbereichs zum Außendurchmesser des Außenbereichs hat sich dabei insbesondere für Schaumstoff als Herstellungsmaterial des Außenbereichs mit einer Stauchhärte von 9 bis 15 kPa als besonders vorteilhaft erwiesen, da mit dem etwas dünnwandigeren Außenbereich und der etwas höheren Stauchhärte des Schaumstoffs des Außenbereichs eine besonders günstige Pressung der Muskelbereiche des Anwenders erreicht werden kann, welche insbesondere für gering geschädigte Muskelbereiche geeignet ist. Bei dem größeren Verhältnisbereich von 0,35 bis 0,6 ist somit der Außenbereich dickwandiger ausgebildet, wodurch bei einer Verformung ein größerer Verformungsweg zur Verfügung steht und somit auch bei einem etwas weicheren Schaumstoffmaterial mit einer geringeren Stauchhärte von circa 3 bis 9 kPa eine gleichmäßige Erhöhung des Anpressdrucks möglich ist und somit ein größerer Spielraum zur Einstellung des Anpressdrucks für einen Anwender zur Verfügung steht. Der Verhältnisbereich von 0,35 bis 0,6 hat sich dabei insbesondere für stärker geschädigte und bereits von großen Schmerzen geplagte Muskelbereiche von Anwender bewährt.Further preferably, the outer diameter of the inner region to the outer diameter of the outer region in a ratio of 0.15 to 0.5 or from 0.35 to 0.6. The outer diameter of the inner area is preferably equal to the inner diameter of the outer area when the inner area and the outer area are glued together. In other words, the outer diameter of the inner region corresponds exactly to the contact surfaces between the inner region and the outer region and the inner surface of the outer region. The preferred ratio range of 0.15 to 0.5 of the outer diameter of the inner region to the outer diameter of the outer region has been found to be particularly advantageous for foam as a production material of the outer region with a compression hardness of 9 to 15 kPa, as with the slightly thinner outer area and the a slightly higher compressive strength of the foam of the outer area a particularly favorable pressure of the muscle areas of the user can be achieved, which is particularly suitable for low-damaged muscle areas. With the larger ratio range of 0.35 to 0.6, the outer region is thus thick-walled, whereby a larger deformation path is available during deformation and thus a uniform increase even with a somewhat softer foam material with a lower compression hardness of approximately 3 to 9 kPa the contact pressure is possible and thus a greater latitude for adjusting the contact pressure for a user is available. The ratio range of 0.35 Up to 0.6 has proven to be particularly for more damaged and already plagued by great pain muscle areas of users.
Besonders bevorzugt ist der Schaumstoff des Außenbereichs ein offenzelliger PUR-Schaum. Mit einem offenzelligen PUR-Schaum, oder Polyurethanschaum, ist es insbesondere möglich, die große Bandbreite von erforderlichen Stauchhärten von 3 bis 15 kPa zu erzeugen, wobei insbesondere der Stauchvorgang bzw. der elastische Verformungsvorgang eines offenzelligen PUR-Schaums eine gleichmäßige Erhöhung der Anpresskraft bzw. des Anpressdrucks erreicht. Auf diese Weise kann ein Anwender durch Vergrößern oder Verkleinern des Verformungswegs des Außenbereichs direkt und gezielt die Anpresskraft an sein Muskelgewebe entsprechend einstellen.Particularly preferably, the foam of the outer region is an open-celled PUR foam. With an open-cell polyurethane foam, or polyurethane foam, it is particularly possible to produce the wide range of required compression hardness of 3 to 15 kPa, in particular the compression process or the elastic deformation process of an open-celled polyurethane foam uniform increase in contact pressure or reached the contact pressure. In this way, by increasing or decreasing the deformation path of the exterior, a user can directly and selectively adjust the contact force to his muscle tissue.
Weiterhin bevorzugt ist der Außenbereich mit einer Beschichtung versehen, welche eine Dicke von 20 µm bis 4 mm, vorzugsweise 80 µm bis 2 mm, aufweist, wobei die Beschichtung eine glattere Oberfläche aufweist als der Schaumstoff des Außenbereichs. Insbesondere bei der Verwendung von offenzelligem Schaumstoff für den Außenbereich ist es bevorzugt, diesen mit einer Beschichtung zu versehen. Die Beschichtung verhindert dabei zum einen, dass Schweiß und Schmutz im offenzelligen Schaumstoff haften bleiben und sich dort sammeln. Auf diese Weise erreicht die Beschichtung eine Erhöhung der Hygiene beim Einsatz mit der Massagerolle. Zum anderen erlaubt die Beschichtung durch ihre glatte Oberfläche, dass ohne weiteres ein Stoff- oder Textilüberzug über die Massagerolle gezogen werden kann. Die Beschichtung ist dabei vorzugsweise aus PU gebildet, welches besonders einfach und kostengünstig herzustellen ist. Alternativ bevorzugt und insbesondere dann, wenn eine höhere Elastizität der Beschichtung und eine größere Dehnstreckgrenze erforderlich sind, kann die Beschichtung aus dem etwas aufwendiger herzustellenden Material PVC gebildet sein. Besonders bevorzugt ist die Beschichtung dabei auf den Außenbereich aufgesprüht oder dieser durch Tränken mit der entsprechenden Beschichtung versehen. Bei einer bevorzugten Beschichtungsdicke von 1 mm bis 4 mm ist es möglich, die Beschichtung als separates Bauteil bereitzustellen und über eine Verklebung mit der Oberfläche des Außenbereichs an diesem festzulegen. Diese Herstellungsweise ist die kostengünstigste, da keine aufwendige Sprüh- oder Tränkvorrichtung vorhanden sein muss, sondern die Beschichtung auf einfache Weise um den Außenbereich herumgewickelt und gleichzeitig mit diesem verklebt wird. Für den Fall, dass die Beschichtung die elastische Verformbarkeit des Außenbereichs nur sehr wenig beeinflussen und beeinträchtigen soll, ist deren Dicke vorzugsweise im Bereich von 20 µm bis 1 mm gehalten, wodurch der Außenbereich am wenigsten durch die veränderte elastische Verformbarkeit beeinträchtigt wird und gleichzeitig aber die Beschichtung eine ausreichende Dicke aufweist, um den Verformungsbeanspruchungen standzuhalten.Further preferably, the outer area is provided with a coating which has a thickness of 20 microns to 4 mm, preferably 80 microns to 2 mm, wherein the coating has a smoother surface than the foam of the outer area. In particular, when using open-cell foam for outdoor use, it is preferable to provide it with a coating. On the one hand, the coating prevents sweat and dirt from sticking in the open-cell foam and collecting there. In this way the coating achieves an increase in hygiene when used with the massage roller. On the other hand, the coating, with its smooth surface, allows a fabric or textile cover to be easily pulled over the massage roller. The coating is preferably formed from PU, which is particularly simple and inexpensive to produce. Alternatively preferred and in particular if a higher elasticity of the coating and a greater yield strength limit are required, the coating can be formed from the somewhat more expensive material to be produced PVC. Particularly preferably, the coating is sprayed on the outside or this provided by impregnation with the appropriate coating. In a preferred coating thickness of 1 mm to 4 mm, it is possible to provide the coating as a separate component and via an adhesive bond with the surface of the Outside at this set. This production method is the most cost-effective, since no expensive spraying or impregnating device must be present, but the coating is easily wrapped around the outside and glued simultaneously with this. In the event that the coating is to affect and impair the elastic deformability of the outer area only very little, its thickness is preferably maintained in the range of 20 microns to 1 mm, whereby the outdoor area is least affected by the changed elastic deformability and at the same time the Coating has a sufficient thickness to withstand the deformation stresses.
Besonders bevorzugt ist der Innenbereich aus einem EPP-Schaum gebildet, welcher ein Raumgewicht von 30 kg/m3 bis 260 kg/m3 und bevorzugt von 90 kg/m3 bis 110 kg/m3 aufweist. EPP-Schaum mit einem Raumgewicht von 30 bis 260 kg/m3 weist dabei stets eine ausreichende Festigkeit zur Abstützung des Außenbereichs der Massagerolle auf. Dabei wird das besonders bevorzugte Raumgewicht von 90 bis 110 kg/m3, insbesondere dann angewandt, wenn der Innenbereich hohlzylinderförmig ausgebildet ist und es möglich ist, die Gewichtseinsparung an der Massagerolle durch entsprechende Anpassung der Aussparung des Innenbereichs durchzuführen.Particularly preferably, the inner region is formed from an EPP foam which has a density of from 30 kg / m 3 to 260 kg / m 3 and preferably from 90 kg / m 3 to 110 kg / m 3 . EPP foam with a density of 30 to 260 kg / m 3 always has sufficient strength to support the outer region of the massage roller. In this case, the particularly preferred volume weight of 90 to 110 kg / m 3 , in particular applied when the inner area is hollow cylindrical and it is possible to carry out the weight saving on the massage roller by adjusting the recess of the inner area.
Insbesondere bevorzugt ist ein Textilbezug vorgesehen, welcher schlauchförmig ausgebildet ist, um auf den Außenbereich aufgezogen werden zu können. Der Textilbezug ist dabei vorzugsweise ein schlauchförmiges Textilfabrikat, welches an seinen jeweiligen Enden eine entsprechende Schlaufenanordnung aufweist, über welche der Textilbezug an der Massagerolle, insbesondere am Außenbereiche der Massagerolle, festgezurrt werden kann. Der Textilbezug gewährleistet einen Schutz des Außenbereichs und erreicht darüber hinaus eine Komforterhöhung für den Anwender, da dieser beispielsweise aus angenehm anschmiegsamem Frottee hergestellt werden kann.Particularly preferred is a textile cover is provided, which is formed tubular, in order to be raised to the outside can. The textile cover is preferably a tubular textile product, which has at its respective ends a corresponding loop arrangement, via which the textile cover can be lashed to the massage roller, in particular on the outer regions of the massage roller. The textile cover ensures protection of the outside and also achieves a comfort increase for the user, since it can be made, for example, from a pleasantly supple terry cloth.
Insbesondere bevorzugt enthält der Textilbezug Lyocell, Polyester und Elastan. Es ist dabei möglich, den Textilbezug mit anregenden und mit der Haut des Anwenders interagierenden Stoffen auszustatten, welche neben der Pressung der Muskelfaserbereiche des Anwenders eine zusätzliche chemische oder bioelektrische Anregung der Haut des Anwenders erlauben und somit zusätzlich den Heilungsprozess bei der Behandlung eines Anwenders mit der Massagerolle verbessern. Besonders bevorzugt gelangt für den Textilbezug das Textilfasergemisch der Firma VENEX, welches die Regenerationsfaser V-TEX® enthält, zum Einsatz. Als Lyocell-Material wird dabei insbesondere bevorzugt TENCEL® angewandt, welches neben Mineralien auch Platin enthält und eine bioelektrische Stimulierung des vegetativen Nervensystems des Anwenders erlaubt.Most preferably, the fabric cover contains lyocell, polyester and elastane. It is possible to equip the fabric cover with stimulating and interacting with the skin of the user fabrics, which in addition to the pressing of the muscle fiber areas of the user allow additional chemical or bioelectric stimulation of the skin of the user and thus additionally the healing process in the treatment of a user with the Improve massage roller. For the textile cover, the textile fiber mixture from VENEX, which contains the regeneration fiber V-TEX®, is particularly preferably used. In particular, TENCEL® is used as the lyocell material, which besides platinum also contains minerals and allows a bioelectric stimulation of the user's autonomic nervous system.
Weitere Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung mit Bezug auf die beigefügten Figuren. Es versteht sich, dass Merkmale, welche nur zu einer der Figuren beschrieben wurden, auch in Ausführungsformen, welche in den anderen Figuren dargestellt sind, Anwendung finden können. Es zeigen:
- Fig. 1
- eine Ansicht einer bevorzugten Ausführungsform eines gekrümmten Schaumstoffteils zur Herstellung einer Massagerolle;
- Fig. 2
- einen Zwischenschritt bei der Herstellung einer bevorzugten Ausführungsform der Massagerolle;
- Fig. 3
- eine bevorzugte Ausführungsform der erfindungsgemäßen Massagerolle;
- Fig. 4
- eine Schnittansicht durch eine bevorzugte Ausführungsform der erfindungsgemäßen Massagerolle;
- Fig. 5
- eine Ansicht einer bevorzugten Ausführungsform eines quaderförmigen Schaumstoffteils zur Herstellung einer Massagerolle.
- Fig. 1
- a view of a preferred embodiment of a curved foam part for producing a massage roller;
- Fig. 2
- an intermediate step in the manufacture of a preferred embodiment of the massage roller;
- Fig. 3
- a preferred embodiment of the massage roller according to the invention;
- Fig. 4
- a sectional view through a preferred embodiment of the massage roller according to the invention;
- Fig. 5
- a view of a preferred embodiment of a cuboid foam part for producing a massage roller.
In
Bezugszeichen:
- 2
- - Innenbereich
- 4
- - Außenbereich
- 4A
- - Schaumstoffteil
- 5
- - Kontaktfläche
- 8
- - Textilbezug
- 42
- - Stoßfläche
- a
- - Innendurchmesser des Innenbereiches 2
- b
- - Außendurchmesser des Innenbereiches 2
- c
- - Außendurchmesser des Außenbereiches 4
- L
- - Längsachse
- 2
- - Interior
- 4
- - outdoor area
- 4A
- - foam part
- 5
- - Contact surface
- 8th
- - textile cover
- 42
- - impact surface
- a
- - Inner diameter of the
inner area 2 - b
- - Outside diameter of the
inner area 2 - c
- - Outside diameter of the
outer area 4 - L
- - longitudinal axis
Claims (14)
aufweisend einen Innenbereich (2) und einen Außenbereich (4),
wobei der Innen- und der Außenbereich (2, 4) aus Schaumstoff ausgebildet sind,
wobei der Außenbereich (4) den Innenbereich (2) um eine Längsachse (L) umfänglich vollständig umgibt und am Innenbereich (2) stoffschlüssig festgelegt ist,
wobei der Schaumstoff des Innenbereiches (2) eine höhere Stauchfestigkeit aufweist als der Schaumstoff des Außenbereiches (4),
wobei die Kontaktfläche (5) zwischen dem Innen- und dem Außenbereich (2,4) zylinderförmig ist.Massage roller,
comprising an inner area (2) and an outer area (4),
wherein the inner and the outer region (2, 4) are formed of foam,
wherein the outer region (4) completely surrounds the inner region (2) circumferentially about a longitudinal axis (L) and is firmly bonded to the inner region (2),
wherein the foam of the inner region (2) has a higher compression strength than the foam of the outer region (4),
wherein the contact surface (5) between the inner and the outer region (2,4) is cylindrical.
wobei der Innenbereich (2) hohlzylinderförmig ausgebildet ist.Massage roller according to claim 1,
wherein the inner region (2) is hollow-cylindrical.
wobei der Innenbereich (2) einen Innendurchmesser (a) und einen Außendurchmesser (b), jeweils gemessen senkrecht zur Längsachse (L), aufweist, wobei der Innendurchmesser (a) in einem Verhältnis von 0,3 bis 0,6 oder vorzugsweise von 0,5 bis 0,8 zum Außendurchmesser (b) steht.Massage roller according to claim 2,
wherein the inner region (2) has an inner diameter (a) and an outer diameter (b) each measured perpendicular to the longitudinal axis (L), wherein the inner diameter (a) is in a ratio of 0.3 to 0.6 or preferably of 0 , 5 to 0.8 to the outer diameter (b) stands.
wobei der Innendurchmesser (a) und der Außendurchmesser (b) des Innenbereiches (2) im Wesentlichen konstant sind.Massage roller according to one of claims 2 or 3,
wherein the inner diameter (a) and the outer diameter (b) of the inner region (2) are substantially constant.
wobei der Schaumstoff des Außenbereiches (4) mit dem Schaumstoff des Innenbereiches (2) stoffschlüssig verbunden ist.Massage roller according to one of the preceding claims,
wherein the foam of the outer region (4) is adhesively bonded to the foam of the inner region (2).
wobei der Außenbereich (4) aus einem um die Längsachse (L) gekrümmten Schaumstoffteil (4A), welches an zwei gegenüberliegenden Stoßflächen (42) zusammengeklebt ist, hergestellt ist.Massage roller according to one of the preceding claims,
wherein the outer region (4) of a curved about the longitudinal axis (L) Foam part (4A), which is glued together on two opposite abutment surfaces (42) is made.
wobei der Schaumstoff des Außenbereiches (4) eine Stauchhärte von 3 kPa bis 15 kPa, vorzugsweise von 8 kPa bis 10 kPa aufweist.Massage roller according to one of the preceding claims,
wherein the foam of the outer region (4) has a compression hardness of 3 kPa to 15 kPa, preferably from 8 kPa to 10 kPa.
wobei der Außendurchmesser (b) des Innenbereiches (2) zum Außendurchmesser (c) des Außenbereiches (4) in einem Verhältnis von 0,15 bis 0,5, oder von 0,35 bis 0,6 steht.Massage roller according to one of the preceding claims,
wherein the outer diameter (b) of the inner region (2) to the outer diameter (c) of the outer region (4) in a ratio of 0.15 to 0.5, or from 0.35 to 0.6.
wobei der Schaumstoff des Außenbereiches (4) ein offenzelliger PUR-Schaum ist.Massage roller according to one of the preceding claims,
wherein the foam of the outer region (4) is an open-celled PUR foam.
wobei der Außenbereich (4) mit einer Beschichtung versehen ist, welche eine Dicke von 20µm bis 4mm aufweist,
wobei die Beschichtung eine glattere Oberfläche aufweist als der Schaumstoff des Außenbereiches (4).Massage roller according to one of the preceding claims,
the outer area (4) being provided with a coating having a thickness of 20 μm to 4 mm,
wherein the coating has a smoother surface than the foam of the outer region (4).
wobei der Innenbereich (2) aus einem EPP-Schaum gebildet ist, welcher ein Raumgewicht von 30 kg/m3 bis 260 kg/m3 und bevorzugt von 90 kg/m3 bis 110 kg/m3 aufweist.Massage roller according to one of the preceding claims,
wherein the inner region (2) is formed from an EPP foam which has a density of from 30 kg / m 3 to 260 kg / m 3 and preferably from 90 kg / m 3 to 110 kg / m 3 .
wobei ein Textilbezug (8) vorgesehen ist, welcher schlauchförmig ausgebildet ist, um auf den Außenbereich (4) aufgezogen werden zu können.Massage roller according to one of the preceding claims,
wherein a textile cover (8) is provided, which is formed tubular, in order to be raised to the outer region (4) can.
wobei der Textilbezug (8) Lyocell, Polyester und Elasthan enthält.Massage roller according to claim 13,
wherein the textile cover (8) contains lyocell, polyester and elastane.
Applications Claiming Priority (1)
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DE102017101405.5A DE102017101405A1 (en) | 2017-01-25 | 2017-01-25 | Massagerolle |
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EP3354251A1 true EP3354251A1 (en) | 2018-08-01 |
EP3354251B1 EP3354251B1 (en) | 2021-04-07 |
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Cited By (2)
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DE102020128244A1 (en) | 2020-10-27 | 2022-04-28 | KMS Kirchensaller Maschinenbau Schaser UG (haftungsbeschränkt) | Device for self-massage |
US11576837B2 (en) | 2019-10-03 | 2023-02-14 | Jfxd Trx Acq Llc | Multi-zonal roller and method of use thereof |
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US20090222994A1 (en) * | 2008-03-05 | 2009-09-10 | Adam Wood | Therapeutic bolster and method of making the same |
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DE19534441A1 (en) | 1995-09-16 | 1997-03-20 | Gkp Gummi Und Kunststoff Produ | Element for blood circulation |
CN202892356U (en) | 2011-07-12 | 2013-04-24 | 艾肯运动与健康公司 | Massager set |
DE202016105894U1 (en) | 2016-10-20 | 2016-11-23 | Marion Ebner | Fascial massage device |
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2017
- 2017-01-25 DE DE102017101405.5A patent/DE102017101405A1/en active Pending
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DE20119764U1 (en) * | 2001-12-06 | 2002-02-21 | Wang, Chen Lu, Nantou | massage arrangement |
US20090222994A1 (en) * | 2008-03-05 | 2009-09-10 | Adam Wood | Therapeutic bolster and method of making the same |
WO2015077643A2 (en) * | 2013-11-21 | 2015-05-28 | Mfr Products, Inc. | Therapeutic device to assist in myofascial release, and method of use |
WO2016184444A1 (en) * | 2015-05-21 | 2016-11-24 | Roland Liebscher-Bracht | Cylindrical massage roller and massage kit |
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US11576837B2 (en) | 2019-10-03 | 2023-02-14 | Jfxd Trx Acq Llc | Multi-zonal roller and method of use thereof |
DE102020128244A1 (en) | 2020-10-27 | 2022-04-28 | KMS Kirchensaller Maschinenbau Schaser UG (haftungsbeschränkt) | Device for self-massage |
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DE102017101405A1 (en) | 2018-07-26 |
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