Anti-deformation high-strength plastic bottle
By adopting a multi-layer structure integrated design, including polyethylene terephthalate outer layer, glass fiber reinforced plastic reinforced layer and polypropylene inner layer, the deformation problem of traditional plastic bottles under impact and pressure is solved, and a high-strength and long-life plastic bottle design is achieved, while reducing production costs.
Patent Information
- Application Number
- CN202421373257.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-15
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-15
AI Technical Summary
Traditional plastic bottles are prone to deformation when subjected to large pressure or impact, affecting resealing and use, and even causing leakage of contents. Existing solutions increase material usage and production costs, affecting the appearance and portability of the bottle.
It adopts a multi-layer structure integrated design, including an outer layer, a reinforcement layer and an inner layer. The outer layer is made of polyethylene terephthalate material, the reinforcement layer is made of glass fiber reinforced plastic, and the inner layer is made of polypropylene material. It is co-extruded by three layers to simplify the production process and reduce costs.
Effectively resist external shocks and pressures, extends the service life of the bottle, while maintaining good chemical stability and hygiene performance, suitable for use in food and beverage packaging.
Smart Images

Figure CN222572797U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic bottle production, in particular to a deformation-resistant high-strength plastic bottle. Background Art
[0002] In the existing technology, plastic bottles are widely used as common packaging materials in various fields such as beverages, food, cosmetics, and pharmaceuticals. Traditional plastic bottles are usually made of a single material, such as polyethylene terephthalate (PET), polypropylene (PP), etc. Although these materials have good processing performance and cost-effectiveness, they are prone to deformation when subjected to greater pressure or impact, affecting the resealing and use of the bottle, and even causing leakage of the contents.
[0003] In order to improve the strength and anti-deformation performance of plastic bottles, some solutions have been proposed in the prior art, such as increasing the thickness of the bottle wall or designing reinforcing ribs on the bottle body to improve its structural stability. However, these methods often increase the amount of material used and production costs, and may also affect the appearance and portability of the bottle.
[0004] Based on the above situation, the utility model proposes a deformation-resistant high-strength plastic bottle, which can effectively solve the above problems. Utility Model Content
[0005] The utility model aims to provide a high-strength plastic bottle that is resistant to deformation. The utility model provides a high-strength plastic bottle that is resistant to deformation. The utility model adopts a multi-layer integrated design to simplify the production process and reduce the production cost. At the same time, the addition of the reinforcement layer effectively resists external impact and pressure, and prolongs the service life of the bottle. At the same time, the outer layer and the inner layer are made of polyethylene terephthalate and polypropylene materials, which have good chemical stability and hygienic properties and are suitable for food and beverage packaging.
[0006] The utility model is realized by the following technical solutions:
[0007] A deformation-resistant high-strength plastic bottle comprises a bottle body, wherein the bottle body comprises an outer layer, a reinforcement layer and an inner layer arranged in sequence; the outer layer, the reinforcement layer and the inner layer are co-extruded to form an integrated structure; the outer layer is made of polyethylene terephthalate material with a wall thickness of 0.2 mm to 0.4 mm; the reinforcement layer is made of glass fiber reinforced plastic with a wall thickness of 0.4 mm to 0.6 mm; the inner layer is made of polypropylene material with a wall thickness of 0.2 mm to 0.4 mm.
[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the reinforcing layer has a glass fiber body, and the glass fiber body is evenly distributed at equal angles along the circumference of the reinforcing layer.
[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, the outer surface of the outer layer has a concave-convex texture, and the depth of the concave-convex texture is 0.05 mm to 0.1 mm.
[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, a bottle mouth is arranged on the top of the bottle body, and a bottle cap is threadedly connected to the bottle mouth.
[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, the bottom of the bottle body is provided with a bottle bottom, and the outer peripheral side of the bottle bottom is provided with a plurality of reinforcing ribs evenly distributed at equal angles.
[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0013] The utility model provides a deformation-resistant high-strength plastic bottle, which simplifies the production process and reduces the production cost by adopting a multi-layer integrated design. At the same time, the addition of a reinforcement layer effectively resists external impact and pressure and prolongs the service life of the bottle. At the same time, the outer layer and the inner layer are made of polyethylene terephthalate and polypropylene materials, which have good chemical stability and hygienic properties and are suitable for food and beverage packaging. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a transverse cross-sectional view of the utility model. DETAILED DESCRIPTION
[0016] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.
[0017] A deformation-resistant high-strength plastic bottle, characterized in that it includes a bottle body 1, wherein the bottle body 1 includes an outer layer 11, a reinforcement layer 12 and an inner layer 13 arranged in sequence; the outer layer 11, the reinforcement layer 12 and the inner layer 13 are co-extruded to form an integrated structure; the outer layer 11 is made of polyethylene terephthalate material with a wall thickness of 0.2 mm to 0.4 mm; the reinforcement layer 12 is made of glass fiber reinforced plastic with a wall thickness of 0.4 mm to 0.6 mm; the inner layer 13 is made of polypropylene material with a wall thickness of 0.2 mm to 0.4 mm.
[0018] The utility model simplifies the production process and reduces the production cost by adopting a multi-layer integrated design. At the same time, the addition of the reinforcement layer 12 effectively resists external impact and pressure and prolongs the service life of the bottle. At the same time, the outer layer 11 and the inner layer 13 are made of polyethylene terephthalate and polypropylene materials, have good chemical stability and hygienic properties, and are suitable for food and beverage packaging.
[0019] Furthermore, in another embodiment, the reinforcement layer 12 has glass fiber bodies 14 , and the glass fiber bodies 14 are evenly distributed at equal angles along the circumference of the reinforcement layer 12 .
[0020] By adopting the above technical solution, the glass fiber body 14 is evenly distributed at equal angles along the circumference of the reinforcement layer 12, providing balanced mechanical properties, so that the plastic bottle has high tensile and compression resistance in all directions.
[0021] Furthermore, in another embodiment, the outer surface of the outer layer 11 has a concave-convex texture 15, and the depth of the concave-convex texture 15 is 0.05 mm to 0.1 mm.
[0022] By providing the concavo-convex texture 15, the gripping feeling of the plastic bottle is enhanced, and the appearance and texture of the bottle are also improved.
[0023] Furthermore, in another embodiment, a bottle mouth 2 is provided on the top of the bottle body 1, and a bottle cap 3 is threadedly connected to the bottle mouth 2.
[0024] Furthermore, in another embodiment, a bottle bottom 4 is disposed at the bottom of the bottle body 1 , and a plurality of reinforcing ribs 5 evenly distributed at equal angles are disposed on the outer circumference of the bottle bottom 4 .
[0025] By providing the reinforcing ribs 5 , the support area and stability of the bottom of the bottle are increased, and the risk of the bottle bottom 4 breaking is reduced.
[0026] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the anti-deformation high-strength plastic bottle of the utility model, and can produce the positive effects recorded in the utility model.
[0027] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.
[0028] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.
Claims
1. A deformation-resistant high-strength plastic bottle, characterized in that: The invention comprises a bottle body (1), wherein the bottle body (1) comprises an outer layer (11), a reinforcing layer (12) and an inner layer (13) which are arranged in sequence; the outer layer (11), the reinforcing layer (12) and the inner layer (13) are co-extruded to form an integrated structure; the outer layer (11) is made of polyethylene terephthalate material with a wall thickness of 0.2 mm to 0.4 mm; the reinforcing layer (12) is made of glass fiber reinforced plastic with a wall thickness of 0.4 mm to 0.6 mm; the inner layer (13) is made of polypropylene material with a wall thickness of 0.2 mm to 0.4 mm.
2. The anti-deformation high-strength plastic bottle according to claim 1, characterized in that: The reinforcing layer (12) has glass fiber bodies (14), and the glass fiber bodies (14) are evenly distributed at equal angles along the circumference of the reinforcing layer (12).
3. The anti-deformation high-strength plastic bottle according to claim 1, characterized in that: The outer surface of the outer layer (11) has a concave-convex texture (15), and the depth of the concave-convex texture (15) is 0.05 mm to 0.1 mm.
4. The anti-deformation high-strength plastic bottle according to claim 1, characterized in that: The top of the bottle body (1) is provided with a bottle mouth (2), and the bottle mouth (2) is threadedly connected with a bottle cap (3).
5. The anti-deformation high-strength plastic bottle according to claim 1, characterized in that: The bottom of the bottle body (1) is provided with a bottle bottom (4), and the outer peripheral side of the bottle bottom (4) is provided with a plurality of reinforcing ribs (5) evenly distributed at equal angles.