CN113208802A - Hot-water bag with improved use characteristics - Google Patents

Hot-water bag with improved use characteristics Download PDF

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Publication number
CN113208802A
CN113208802A CN202110085484.4A CN202110085484A CN113208802A CN 113208802 A CN113208802 A CN 113208802A CN 202110085484 A CN202110085484 A CN 202110085484A CN 113208802 A CN113208802 A CN 113208802A
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China
Prior art keywords
hot
water bag
filling funnel
hollow body
bag according
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Pending
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CN202110085484.4A
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Chinese (zh)
Inventor
马库斯·格鲁梅
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Fashy Produktion und Vertrieb GmbH
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Fashy Produktion und Vertrieb GmbH
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/08—Warming pads, pans or mats; Hot-water bottles

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

The present invention proposes a hot-water bag and a hot-water bag closure having improved use characteristics. This may be achieved by folding the filling funnel of the hot water bag down into the second stable shape during use. Thereby the outer contour of the hot water bag does not interfere with the contour during use.

Description

Hot-water bag with improved use characteristics
Background
Hot water bags have been used by almost every household for decades to provide heat and cooling to various parts of the human body when needed. Hot water bags made of plastic or rubber have been accepted since decades because they are more flexible and better adapted to the shape of the human body than hot water bags made of sheet metal.
A commercially available hot water bag consists of a hollow body and a filling funnel formed thereon, wherein the hollow body has a generally rectangular basic shape.
These hot water bags have been demonstrated in a number of applications. However, already very good products require further improvement. This object is the basis of the present invention. In particular, the adaptation of the hot-water bag to the human body should be further improved and a large-area and uniform heat transfer between the hollow body of the hot-water bag and the body part to be heated should be achieved with the greatest possible extent.
In addition, a degree of freedom in design should be increased, and beauty of the hot-water bag during use should be realized.
Disclosure of Invention
According to the invention, this object is achieved by a hot-water bag comprising a hollow body, a filling connection and a filling funnel, characterized in that at least the filling funnel consists of an elastic material and the filling funnel has two stable shape states.
According to the invention, the filling funnel is formed such that it has a first stable shape state for filling the hot-water bag. In this state, the funnel projects from the hollow body, as seen in the longitudinal direction of the hollow body, as is known from the common hot water bags on the market.
When the hollow body is filled with hot (cold) water, the filling funnel is closed by the hot-water bag closure. Subsequently, the hot-water bag is ready for use and the filling funnel has practically no longer any function; rather, it represents a disturbing profile for the user of the hot water bag.
According to the invention, the filling funnel is designed to be foldable so that it assumes a second stable shape. The second stable shape is characterized in that the filling funnel no longer protrudes from the hollow body in the longitudinal direction, particularly preferably it rests against the outer contour of the hollow body. This provides the hollow body with a smooth outer contour during use of the hot-water bag. As is known from non-standard hot water bags, the interference contour in the form of a protruding filling funnel is not present during use of the hot water bag according to the invention. Thereby increasing the applicability and benefits of the hot water bag according to the invention.
The terms "first stable shape state" and "second stable shape state" may be traced back to the concept of a bi-stable shape. Bistable is a property of a system that can assume two stable states, wherein the system can be transformed from one state to the other state (origin: Victorco bistable) by external pushing (Impulse) only
Figure BDA0002909908280000021
”)。
In the present case, the filling funnel is "bistable" and elastic, so that it can be transitioned between two stable shape states. The user provides the push for transitioning states by the user "folding" the fill funnel.
Advantageously, the bistable state of the filling funnel is supported in that the height H of the filling connection is less than the maximum diameter D of the filling connectionmaxAnd a minimum diameter DminThe difference between Δ D.
In other words, the fill interface according to the present invention is relatively flat; or it may have a larger (average) opening angle. It has proven advantageous if the height H of the filling connection is smaller than the maximum diameter D of the filling connectionmaxAnd a minimum diameter DminThe difference between Δ D is 0.75 times. It has proven to be particularly advantageous if the height H of the filling connection is smaller than the maximum diameter D of the filling connectionmaxAnd a minimum diameter Dmin0.5 times the difference between Δ D.
This means that the filling interface is relatively flat. It has an "average opening angle" defined by the above numerical description, which is significantly greater than 90 °. Generally, the average opening angle of the filling funnel according to the invention is larger than 135 °.
It has also proven advantageous if the opening angle α of the filling funnel is at its smallest diameter DminIs greater than 105 °, preferably greater than 135 °, particularly preferably greater than 160 °. In the region of the smallest diameter of the filling funnel (i.e. where the filling funnel is connected to the filling interface), a larger opening angle facilitates the transition between the first and the second stable shape state.
For illustration, the geometric markers used in the claims are shown in fig. 1. In particular, the height H, the minimum diameter D of the filling funnel are shownminAnd diameter Dmax。
Minimum diameter DminWhich represents the minimum diameter of the filling funnel where the filling funnel is connected to the filling interface 5. Diameter DmaxIs the largest diameter present on the filling funnel. As can be seen from the top view according to fig. 1, the shape of the filling funnel is approximately elliptical. In this kind ofIn the case of diameter DmaxCorresponding to the length of the major axis of the ellipse.
Identification used in the claims, the difference Δ D not being marked in the figures; it is defined as DmaxAnd DminThe difference between them.
In addition, the minimum diameter D is indicatedminThe opening angle alpha of the filling funnel 11 in the region of (a).
The opening angle a of the filling funnel 11 is very large in the region of the filling connection 5. In the embodiment shown, it is equal to 180 °. From the height H of the filling funnel 11 and the difference Δ D it can also be determined that the average opening angle is significantly greater than 90 °. Typically, it is even greater than 135 °. These geometrical relationships simplify the folding of the filling funnel 11 from the first stable shape state to the second stable shape state.
Another filling funnel known in the prior art is steeper and taller. Typically, the ratio of H to the difference Δ D of a conventional hot water bag is significantly greater than 1. The opening angle of conventional filling funnels is also typically less than 90 °. The filling funnel known from the prior art is therefore not possible to fold.
In order to achieve as smooth an outer contour as possible of the hot water bag without shoulders or cracks in use, it has proven advantageous if the filling connection is connected directly to the hollow body, viewed in the longitudinal direction of the hot water bag. The structural length of the hot-water bag is then reduced first and the filling connection can follow the outer contour of the hollow body without any shoulder or projection when the filling connection assumes the second stable shape.
In order to achieve a maximally smooth and shoulder-free outer contour of the hot-water bag in use, it is provided according to the invention that the outer contour of the hollow body in the region of the connection to the filling connection corresponds to the inner contour of the filling funnel in the second shape state. In other words, when the filling funnel assumes the second stable shape state, it fits in this region on the complementarily shaped outer contour of the hollow body.
In a further advantageous embodiment, one or more ribs are formed inside the hollow body. These ribs serve to stiffen the hollow body so that it largely retains its original shape even in the filled state. At the same time, the ribs are dimensioned such that the outer contour of the hollow body has a certain flexibility, so that the hollow body of the hot-water bag can fit the body of the user well. Therefore, the hot-water bag according to the present invention feels comfortable. In addition, this embodiment enables good heat transfer between the hot water bag and the body part of the user to be heated.
The ribs may extend parallel to the longitudinal or symmetry axis of the hollow body. They may of course also extend orthogonally to the longitudinal or symmetry axis of the hollow body. Of course, the ribs may also extend, for example, at an angle of 45 ° with respect to the longitudinal axis or the axis of symmetry. Ribs arranged in a cross-shape are also possible and in some cases advantageous.
The ribs make it possible to give the hollow body a more bulbous shape than in conventional hot water bags (bauchigere Form). This allows for the greatest possible heating or cooling of other body parts compared to conventional hot water bags.
It has proven advantageous to design the starting or end points of the ribs in the manner shown in fig. 4. By means of this shape of the end portion, it is achieved that the ribs are not visible from the outside or are visible only to a very limited extent. This improves the appearance of the hot-water bag and increases the degree of freedom in designing the hot-water bag.
The hot-water bag according to the invention is preferably made of natural or synthetic rubber, plastic, in particular thermoplastic elastomers, or a mixture of these materials. In addition, both injection molding and blow molding may be used as the manufacturing process. In any event, the present invention is not limited to any of these manufacturing methods.
The invention also proposes that the hollow body and the filling funnel are made of one material in one manufacturing process. However, it is also possible for the hollow body and the filling funnel to be made of two different materials. For example, injection molding using two different materials is an established method that can also be used to manufacture hot water bags according to the invention.
Further advantages and advantageous embodiments of the invention can be gathered from the following figures and their description and the claims. All features disclosed in the drawings and the description thereof and in the claims may individually or in any combination be combined with one another and belong to the invention.
Drawings
FIG. 1 illustrates one embodiment of a hot-water bag according to the present invention, wherein the filling funnel is in a first stable shape state;
FIG. 2 shows a side view of a hot water bag according to the invention, wherein the filling funnel is in a second stable shape state;
FIG. 3 shows a cross-sectional view of a hollow body of a hot-water bag according to the invention, with ribs arranged inside;
FIG. 4 shows a side view of a hot water bag with a folded fill funnel according to the present invention; and is
Fig. 5 shows the hot-water bag according to the invention in a second stable shape and the hot-water bag closure screwed into the filling port, the hot-water bag closure having a folded-up gripping element.
Detailed Description
Fig. 1 shows a side view of a hot-water bag 1 according to the invention and a top view of a hot-water bag according to the invention. The hot-water bag 1 comprises a hollow body 3, only the upper part of which is shown in fig. 1 and 2. The lower part (i.e. the part not shown) is not an integral part of the invention and can be designed in any way, in particular rectangular, circular or drop-shaped.
The filling interface 5 is shown in the upper part of fig. 1 and 2. As shown, the fill interface has been partially cut open. It can thus be seen that in this embodiment, the filling connection 5 has an internal thread 7. A hot water bag closure, not shown, can be screwed into this internal thread. Thereby closing the hollow body 3 in a fluid-tight manner. The longitudinal or symmetry axis of the hot water bag 1 or of the hollow body 3 is indicated by 9.
At the filling connection 5, an elastic filling funnel 11 according to the invention is formed in direct abutment with the hollow body 3.
In fig. 1 the filling funnel 11 is shown in a first stable shape state. In this first stable shape state, it has the generally known function of a filling funnel, i.e. to fill the hollow body 3 with water through the filling interface 5. The filling funnel 11 shown in fig. 1 in the first stable shape state therefore projects from the hollow body 3 in the direction of the longitudinal or symmetry axis 9.
In the lower part of fig. 1 a hot water bag with a filling funnel 11 is shown in a top view. It can be seen that in this embodiment, the hollow body 3 and the filling funnel 11 can have a "bulbous" shape and thus be significantly "thicker" than a conventional hot water bag whose basic shape is approximately rectangular.
The shape of the hollow body 3 is not limited to the shown embodiment; instead, the filling funnel 11 according to the invention can be used in combination with hollow bodies 3 of different shapes of hot-water bags.
In fig. 2, a hot water bag according to fig. 1 is shown, wherein the main differences are: the filling funnel 11 has adopted the second stable shape state. In contrast to the illustration in fig. 1, the filling funnel 11 is folded downward so that it fits over the outer contour of the hollow body 3. The filling funnel 11 no longer protrudes from the hollow body 3 in the direction of the longitudinal axis or the axis of symmetry 9. The "disturbing contour" of the filling funnel is thereby eliminated, so that the use of the hot-water bag according to the invention is considerably improved and made more comfortable.
The hot water bag closure is not shown in fig. 1 and 2. When using a hot water bag, the hot water bag is filled with hot or cold water and it is then necessary to close the filling connection 5 with a hot water bag closure. A suitable hot water bag closure is shown in figure 5.
With continued reference to fig. 1, it is evident that in this embodiment the outer contour of the hollow body 3 has a shoulder 13. This shoulder 13 is designed such that, when the filling funnel 11 is in its second stable shape state, an outer contour of the hot water bag is formed which is very smooth and organic. This can be clearly seen in fig. 2.
If it is desired to fill the hot-water bag again, the hot-water bag closure, not shown, is unscrewed from the hot-water bag and the filling funnel 11 according to the invention is folded upwards, i.e. into the first stable shape as shown in fig. 1. This folding between the first and second stable shape states is performed manually by the user. Since at least the filling funnel is made of an elastic material, this requires only little force. No special manual dexterity is required for this purpose, making the folding process very user-friendly.
As mentioned above, a geometric marker as used in the claims is shown in fig. 1. In particular, the height H, the minimum diameter D of the filling funnel are shownminAnd diameter Dmax。
Minimum diameter DminIndicating the minimum diameter of the filling funnel 11 at the location where the filling funnel 11 is connected to the filling interface 5. Diameter DmaxIs the largest diameter present on the filling funnel 11. As can be seen from the top view according to fig. 1, the filling funnel 11 is approximately oval in shape. In this case, the diameter DmaxCorresponding to the length of the major axis of the ellipse.
The designation, difference "Δ D", used in the claims is not marked in the drawings because it is defined as DmaxAnd DminThe difference between them.
In addition, the minimum diameter D is markedminThe opening angle alpha of the filling funnel 11 in the region of (a).
The opening angle α of the filling funnel 11 is very large in the region of the filling connection 5. In the embodiment shown, it is equal to 180 °. From the height H of the filling funnel 11 and the difference Δ D it can also be determined that the average opening angle is significantly greater than 90 °. Typically, it is even greater than 135 °. These geometrical relationships simplify the folding of the filling funnel 11 from the first stable shape state to the second stable shape state.
Another filling funnel known in the prior art is steeper and taller. Typically, the ratio of H to the difference Δ D of a conventional hot water bag is significantly greater than 1. The opening angle of conventional filling funnels is also typically less than 90 °. The filling funnel known from the prior art is therefore not possible to fold.
Figures 3 and 4 provide an understanding of the "interior" of the hot water bag or hollow body 3 thereof according to the invention. Figure 3 shows a section along the plane of symmetry of the hollow body 3. In this plane of symmetry, the welding edge 17 surrounds almost the entire hollow body 3. The welding edge is used for: after the plastic injection molding, the two halves of the hollow body 3 are welded or connected to one another in a liquid-tight manner along the welding edge 17 by means of ultrasonic welding or other joining methods.
In the view shown in fig. 3, the inside of the hollow body 3 can be seen from the inside.
The hollow body has a plurality of so-called longitudinal ribs 19 on the inside. The longitudinal ribs 19 extend parallel to the longitudinal axis 9 of the hollow body 3 or the hot water bag 1. There are also a plurality of transverse ribs 21 extending orthogonally to the longitudinal axis 9. The longitudinal ribs 19 and the transverse ribs 21 partially penetrate each other and form a rectangular grid reinforcing the outer wall of the hollow body 3. It is thereby possible to achieve that the material from which the hollow body 3 is made can, even if it is very soft, still define the shape of the hollow body 3, which remains largely the same even when it is filled with water. Nevertheless, the hollow body 3 remains flexible enough to adapt to the body of the user.
Depending on the strength of the shape bend of the hollow body 3 and the size of the hot-water bag, the height of the ribs (perpendicular to the plane of the illustration in fig. 3) must be changed. The thickness of the ribs 19 and 21 is also a parameter for determining the bending stiffness of the ribs 19, 21.
Also shown in fig. 3 are a plurality of edge ribs 23. These edge ribs serve to reinforce the transition between the welding edge and the actual hollow body 3 in the desired manner.
The beginning and the end of the ribs 19, 21 and 23 are particularly important for the aesthetic appearance of the hollow body 3 and for good use characteristics of the hot-water bag 1. For illustration, the transverse ribs 21 are illustrated in fig. 4. Also, only one half of the hollow body is shown. The start 25 and end 27 of the transverse ribs and of the other ribs are curved in an arcuate manner.
In addition, the transverse rib 21 ends at a distance from the welding edge 17. Material accumulation at the transition between hollow body 3 and welding edge 17 is thereby avoided.
If the ribs 19, 21 and/or 23 extend to the welding edge 17, the hollow body will be too stiff here. Such a hot water bag may be inconvenient to a user.
Detail X of figure 4 shows the edge rib 23. The edge rib 23 is very short so that the beginning 25 and the end 27 transition directly into each other. Here too, it is seen that the end 27 of the edge rib 23 does not extend to the welding edge 17. As is clear from detail X, the edge ribs 23 serve to stabilize the region of the hollow body having a relatively small radius of curvature in the vicinity of the welding edge 17 with respect to its shape.
By the interaction of the longitudinal ribs 19, the transverse ribs 21 and the edge ribs 23, a bulbous shape of the hollow body 3 can be achieved, which is clearly distinguished from the rectangular and flat hollow bodies of the hot water bags known from the prior art.
Fig. 5 shows a hot-water bottle according to the invention with a screwed-in hot-water bottle closure, wherein the filling funnel 1 assumes a second stable shape. The gripping element 31 of the hot water bag closure 15 is designed to be foldable. In fig. 5, the folded grip element 31 is shown. In this position, the hot water bag closure 15 also does not have an interfering profile. The advantages of the hot water bag 1 and the hot water bag closure 15 according to the invention complement each other and provide a very comfortable use for the user of the hot water bag.
List of reference numerals
1 Hot-water bag
3 hollow body
5 fill interface
7 internal screw thread
9 longitudinal or symmetry axes
11 filling funnel
13 shoulder
Height of H-filling funnel
DMINMinimum diameter of filling funnel
DMAXMaximum diameter of the filling funnel
Difference of Δ D diameter
15 hot-water bag closing piece
17 welding edge
19 longitudinal rib
21 transverse rib
23 edge rib
25 start of rib
29 termination of Rib
31 gripping element

Claims (15)

1. A hot-water bag comprising a hollow body (3), a filling interface (5) and a filling funnel (11), characterized in that at least the filling funnel (11) consists of an elastic material and that the filling funnel (11) has two stable shape states.
2. A hot-water bag according to claim 1, characterized in that the height (H) of the filling funnel (11) is smaller than the maximum diameter (D) of the filling funnel (11)MAX) And minimum diameter (D)MIN) Difference (Δ D) therebetween (Δ D ═ D)MAX-DMIN)。
3. A hot-water bag according to claim 2, characterized in that the height (H) of the filling funnel (11) is smaller than the maximum diameter (Dmax) of the filling funnel (11)MAX) With said minimum diameter (D)MIN) 0.75 times the difference (Δ D) therebetween.
4. A hot-water bag according to claim 2, characterized in that the height (H) of the filling funnel (11) is smaller than the maximum diameter (Dmax) of the filling funnel (11)MAx) With said minimum diameter (D)MIN) 0.5 times the difference (Δ D) therebetween.
5. A hot-water bag according to any of the preceding claims, characterized in that the filling funnel (11) is at its smallest diameter (D)MIN) Angle of opening in the region of (a)1) Greater than 105 °, preferably greater than 135 ° and particularly preferably greater than 160 °.
6. The hot-water bag according to any one of the preceding claims, characterized in that the filling funnel (11) is directly connected to the hollow body (3) in the direction of the longitudinal axis (9) of the hot-water bag (1).
7. The hot-water bag according to any one of the preceding claims, characterized in that the filling funnel (11) in its first shape projects from the hollow body (3) in the direction of the longitudinal axis (9) of the hot-water bag.
8. The hot-water bag according to any of the preceding claims, characterized in that the filling funnel (11) rests against the hollow body (3) in its second shape state.
9. The hot-water bag according to any one of the preceding claims, characterized in that in the first region (13) where the filling interface (5) is connected, the outer contour of the hollow body (3) corresponds to the inner contour of the filling funnel (11) in its second shape state.
10. The hot-water bag according to claim 9, characterized in that the outer contour of the hollow body (3) has a shoulder (13) at the transition between the first region (14) and the region (16) connected thereto.
11. A hot-water bag according to any of the preceding claims, characterized in that the hollow body (3) is internally formed with one or more ribs (19, 21, 23).
12. A hot-water bag according to claim 11, characterized in that the ribs (19, 21) extend in a partially parallel and partially orthogonal manner with respect to each other.
13. A hot-water bag according to claim 11 or 12, characterized in that the starting point (25) or the end point (27) of the rib (19, 21, 23) is curved in an arc-shaped manner.
14. The hot-water bag according to any of the preceding claims, characterized in that it consists of natural or synthetic rubber, plastic, in particular thermoplastic elastomer or a mixture of these materials.
15. A hot-water bag according to any one of the preceding claims, characterized in that the hot-water bag comprises a hot-water bag closure (15), the gripping element (31) of the hot-water bag closure (15) being foldable.
CN202110085484.4A 2020-02-04 2021-01-21 Hot-water bag with improved use characteristics Pending CN113208802A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020102737.0 2020-02-04
DE102020102737.0A DE102020102737A1 (en) 2020-02-04 2020-02-04 Hot water bottle with improved usage properties

Publications (1)

Publication Number Publication Date
CN113208802A true CN113208802A (en) 2021-08-06

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DE (1) DE102020102737A1 (en)

Citations (10)

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Publication number Priority date Publication date Assignee Title
GB306330A (en) * 1928-04-25 1929-02-21 Leyland & Birmingham Rubber Co Improvements in or relating to indiarubber hot water bottles and like flexible receptacles for liquid
GB409580A (en) * 1933-10-02 1934-05-03 Adolf Blum Hot water bottle of rubber
FR774479A (en) * 1933-08-12 1934-12-07 Rubber hot water bottle
DE1033850B (en) * 1953-07-21 1958-07-10 Hermann Jordan Hot water bottle made of rubber or plastic
DE1779113U (en) * 1958-09-23 1958-12-11 Lothar Weisshaar HOT BOTTLE.
GB1126167A (en) * 1966-07-21 1968-09-05 Continental Gummi Werke Ag Improvements in or relating to flat hollow flexible containers of rubber or synthetic plastics such as hot water bottles
DE2457192A1 (en) * 1974-12-04 1976-06-10 Geb Engelhardt Marianne Naber Heated, insulated bottle as foot warmer - shaped as insert sole, used inside shoes
JP2010017371A (en) * 2008-07-11 2010-01-28 Maruka Kk Hot-water bottle
CN201939570U (en) * 2011-01-13 2011-08-24 张雪琪 Hot water bag
CN204981107U (en) * 2015-07-25 2016-01-20 聂笑 Novel storage beverage bottle

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE7440318U (en) 1975-09-18 Naber geb. Engelhardt, Marianne-Charlotte, 7000 Stuttgart Hand and pulse hot water bottle
US1345906A (en) 1918-09-23 1920-07-06 William F Augustine Hot-water and ice bandage
US1346176A (en) 1919-04-22 1920-07-13 Alden R Chambers Hot-water bottle
CH174597A (en) 1933-08-12 1935-01-31 Blum Adolf Rubber thermophore.
US2512448A (en) 1946-06-04 1950-06-20 Tattersall Alfred Joseph Rubber hot-water bottle
JP3187399U (en) 2013-05-07 2013-11-28 システムポリマー株式会社 Ice-cold hot water bottle

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB306330A (en) * 1928-04-25 1929-02-21 Leyland & Birmingham Rubber Co Improvements in or relating to indiarubber hot water bottles and like flexible receptacles for liquid
FR774479A (en) * 1933-08-12 1934-12-07 Rubber hot water bottle
GB409580A (en) * 1933-10-02 1934-05-03 Adolf Blum Hot water bottle of rubber
DE1033850B (en) * 1953-07-21 1958-07-10 Hermann Jordan Hot water bottle made of rubber or plastic
DE1779113U (en) * 1958-09-23 1958-12-11 Lothar Weisshaar HOT BOTTLE.
GB1126167A (en) * 1966-07-21 1968-09-05 Continental Gummi Werke Ag Improvements in or relating to flat hollow flexible containers of rubber or synthetic plastics such as hot water bottles
DE2457192A1 (en) * 1974-12-04 1976-06-10 Geb Engelhardt Marianne Naber Heated, insulated bottle as foot warmer - shaped as insert sole, used inside shoes
JP2010017371A (en) * 2008-07-11 2010-01-28 Maruka Kk Hot-water bottle
CN201939570U (en) * 2011-01-13 2011-08-24 张雪琪 Hot water bag
CN204981107U (en) * 2015-07-25 2016-01-20 聂笑 Novel storage beverage bottle

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