BFS oral liquid bottle
By designing a capping tube and sealing lip structure for the throat and bottle head in the BFS oral liquid bottle, the problems of traditional oral liquid bottles being unable to be resealed and drug residues are solved, thus achieving convenience in the production and operation of multi-dose drugs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN KELUN PHARMA
- Filing Date
- 2025-07-18
- Publication Date
- 2026-08-04
AI Technical Summary
Traditional oral liquid bottle designs suffer from low efficiency, susceptibility to contamination, inability to reseal, and drug residue. In particular, BFS technology cannot preserve residual drug when used for single-dose packaging.
Design a BFS oral liquid bottle with a capping tube and sealing lip structure for the throat and bottle head, so that the bottle head and throat can be resealed after being unscrewed. Combined with smooth rounded corners and a collection funnel design to reduce drug residue.
The BFS equipment enables repeated sealing for multi-dose drug production, improving production efficiency, reducing drug residue, and enhancing operational convenience.
Smart Images
Figure CN224589718U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field, and in particular to a BFS oral liquid bottle. Background Technology
[0002] Traditional oral liquid bottles are mostly made of glass or plastic and need to be sealed with a combination cap (such as an aluminum cap + rubber stopper). The production process requires multiple steps (such as bottle making, cleaning, sterilization, filling and sealing), which is inefficient and prone to contamination.
[0003] While existing BFS (blow-fill-seal) technology can complete bottle making, filling, and sealing in one step, its design is generally only suitable for single-dose drug packaging. This is because the bottle cap of traditional BFS oral liquid bottles cannot be resealed after being broken off from the bottle body, resulting in the inability to preserve any remaining liquid. In addition, ordinary BFS bottles have right-angle or acute-angle structures inside, making it easy for liquid to remain when inverted, and the bottle cap design lacks ease of operation. Utility Model Content
[0004] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a BFS oral liquid bottle that can be resealed.
[0005] The technical solution provided by this utility model is as follows:
[0006] A BFS oral liquid bottle includes a bottle body, a bottle bottom, a bottle head, and a throat tube. The bottle body and bottle head are connected by the throat tube, and the bottle body is connected to the bottle bottom. The bottle body, bottle head, and throat tube are manufactured, filled, and sealed in one go using BFS equipment. A capping tube is provided at the end of the throat tube connected to the bottle head, and a capping opening is provided inside the connection between the bottle head and the throat tube. A sealing lip is provided at the end of the capping opening near the throat tube, so that when the bottle head is unscrewed from the throat tube and then the bottle head is put back onto the capping tube on the throat tube, the sealing lip and the capping tube cooperate to seal between the bottle head and the throat tube.
[0007] Preferably, the outer diameter of the cover tube is smaller than the outer diameter of the throat tube, and it is conical with a small angle.
[0008] Preferably, a collection funnel is provided between the bottle body and the throat tube to collect the liquid medicine into the throat tube when the medicine is taken.
[0009] Preferably, the liquid collecting hopper includes a first flow guiding step and a second flow guiding step, and the included angles between the first flow guiding step and the second flow guiding step, as well as between the second flow guiding step and the two sides of the bottle body, are all obtuse angles.
[0010] Preferably, the inner wall of the bottle adopts a smooth rounded corner transition design.
[0011] Preferably, the sealing lip extends inward from the lower edge of the cap opening and, after being squeezed and deformed by the cap tube when the cap is closed, fits tightly against the cap tube.
[0012] Preferably, the bottle head and the throat form a T-shape with the top extending laterally.
[0013] Compared to existing technologies, the BFS oral liquid bottle of this invention has a capping tube at the end where the tube connects to the bottle head, and a capping opening inside the connection between the bottle head and the tube. A sealing lip is provided at the end of the capping opening near the tube. This allows the sealing lip and the capping tube to work together to seal the bottle head and tube when the bottle head is unscrewed from the tube and then the cap is put back onto the capping tube on the tube. This enables repeated sealing and allows the BFS equipment to be used for the production of multi-dose drugs. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the structure of the BFS oral liquid bottle according to an embodiment of the present invention;
[0016] Figure 2 for Figure 1 A magnified view of a portion of the BFS oral liquid bottle shown;
[0017] Figure 3 for Figure 1 The diagram shown illustrates the usage process of the BFS oral liquid bottle.
[0018] In the diagram, 1-bottle body, 2-bottom of bottle, 3-bottle head, 3.1-cap opening, 3.2-sealing lip, 4-throat tube, 4.1-cap tube, 5-collecting hopper, 5.1-flow guide step one, 5.2-flow guide step two. Detailed Implementation
[0019] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0020] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.
[0021] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.
[0023] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.
[0024] like Figures 1 to 3 As shown in the embodiment of this utility model, the BFS oral liquid bottle includes a bottle body 1, a bottle bottom 2, a bottle head 3, and a throat tube 4. The bottle body 1 and the bottle head 3 are connected by the throat tube 4, and the bottle body 1 is connected to the bottle bottom 2. The bottle body 1, bottle head 3, and throat tube 4 are manufactured, filled, and sealed in one go using BFS equipment.
[0025] A collection hopper 5 is provided between the bottle body 1 and the throat tube 4. The collection hopper 5 includes a first guide step 5.1 and a second guide step 5.2. The angles between the first guide step 5.1 and the second guide step 5.2 and the two sides of the bottle body 1 are obtuse angles. The collection hopper 5 is used to collect the liquid medicine into the throat tube when the medicine is taken, so as to reduce the residue of the medicine.
[0026] The end of the throat tube 4 that connects to the bottle head 3 is provided with a capping tube 4.1. The outer diameter of the capping tube 4.1 is smaller than the outer diameter of the throat tube 4, and it is conical at a small angle (e.g., Figure 2(As shown). A capping opening 3.1 is provided inside the connection between the bottle head 3 and the throat tube 4. A sealing lip 3.2 is provided at the end of the capping opening 3.1 near the throat tube 4. The sealing lip 3.2 extends inward from the lower edge of the capping opening 3.1 and, after being compressed and deformed by the capping tube 4.1 during capping, fits tightly against the capping tube 4.1. This technical solution ensures that when the bottle head 3 is unscrewed from the throat tube 4 and then capped onto the throat tube 4, the capping opening 3 can be smoothly closed, achieving a good seal.
[0027] The bottle head 3 and the throat 4 form a T-shape with the top extending horizontally. This design allows for better gripping of the bottle head and application of force when the bottle head 3 is unscrewed, making it easy to unscrew the bottle head 3.
[0028] like Figure 3 As shown, when the cap is not opened, the bottle body 1 and the bottle head 3 are connected together via the throat tube 4 (as shown). Figure 3 (S1); After opening the cap, the bottle head 3 and the throat tube 4 disconnect at the sealing lip 3.2 (e.g., Figure 3 (S2); When the cap is closed again, the cap opening 3.1 fits onto the cap tube 4.1, and at the same time, the sealing lip 3.2 is tightly pressed against the cap tube 4.1 to achieve a seal and prevent leakage of the medicine (e.g., Figure 3 S3).
[0029] Compared to existing technologies, the BFS oral liquid bottle of this embodiment has the following advantages:
[0030] 1. Resealable structure: This invention, through the special design of the bottle head and the throat tube, allows the bottle head to be resealed after being unscrewed, thus enabling the BFS equipment to be used for the production of multi-dose drugs.
[0031] 2. T-shaped bottle head design: The top of the bottle head has a horizontally extending T-shaped protrusion, which increases the contact area for applying force and makes it easier to twist with one hand;
[0032] 3. Residue-proof bottle structure: The inner wall of the bottle adopts a smooth rounded corner transition design and is equipped with a liquid collection funnel to avoid the medicine from sticking to the wall due to right angles or sharp angles, thus reducing the residue of medicine.
[0033] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A BFS oral liquid bottle, characterized in that, The device includes a bottle body, bottle bottom, bottle head, and throat. The bottle body and bottle head are connected by the throat, and the bottle body is connected to the bottle bottom. The bottle body, bottle head, and throat are manufactured, filled, and sealed in one go using BFS equipment. A capping tube is provided at the end of the throat connected to the bottle head. A capping opening is provided inside the connection between the bottle head and the throat. A sealing lip is provided at the end of the capping opening near the throat. When the bottle head is unscrewed from the throat and then the cap is put back onto the capping tube on the throat, the sealing lip and the capping tube cooperate to seal the bottle head and the throat.
2. The BFS oral liquid bottle as described in claim 1, characterized in that, The outer diameter of the cover tube is smaller than that of the throat tube, and it is conical with a small angle.
3. The BFS oral liquid bottle as described in claim 1, characterized in that, A collection funnel is provided between the bottle body and the throat tube to collect the liquid medicine into the throat tube when the medicine is taken.
4. The BFS oral liquid bottle as described in claim 3, characterized in that, The liquid collection hopper includes a first flow guide step and a second flow guide step. The angles between the first flow guide step and the second flow guide step, as well as between the second flow guide step and the two sides of the bottle body, are all obtuse angles.
5. The BFS oral liquid bottle as described in claim 1, characterized in that, The inner wall of the bottle features a smooth, rounded corner design.
6. The BFS oral liquid bottle as described in claim 1, characterized in that, The sealing lip is formed by extending inward from the lower edge of the cap opening. When the cap is closed, it is squeezed and deformed by the cap tube and then fits tightly against the cap tube.
7. The BFS oral liquid bottle as described in claim 1, characterized in that, The bottle head and throat form a T-shape with the top extending horizontally.