TW201302133A - Heat insulation sheet structure for paper cup - Google Patents

Abstract

The present invention provides a heat insulation sheet structure for a paper cup, which comprises a paper cup. The paper cup is formed with a plastic cup rim on the periphery of cup opening on top edge of the cup body. When the cup rim is formed on the periphery of cup opening, a heat insulation sheet is simultaneously formed at a suitable position relative to the outer surface of the cup body. The heat insulation sheet and the outer periphery of the cup body are separated structures. Thus, the present invention cannot only make the heat insulation structure for paper cup more compact, but also reduce the stacking space of paper cups during transpiration and packaging, so as to improve the usage convenience for paper cups, and reduce the cost of packaging and transportation.

Description

Paper cup insulation structure

The invention belongs to the creation of a paper cup, in particular to the creation of a heat insulating structure with a heat insulating effect on the paper cup.

According to the changes in living habits, portable drinks such as coffee, juice, pearl milk tea and various tea drinks are extremely popular. Based on the convenience of carrying and cost considerations, the current portable drinks are generally made of paper. The drink cup is to be dressed. However, because the paper beverage cup not only has poor heat insulation effect, it is easy to burn, and the heat insulation function is quite poor. If the consumer does not finish drinking as soon as possible, as long as the cold or warm drink is refreshed quickly after a period of time. At room temperature, it seriously affects the taste and flavor of the drink. Therefore, there is a product of the anti-scalding paper cup as shown in the ninth figure. The structure of the conventional anti-scalding paper cup mainly comprises a cup body, a cup bottom bonded to the bottom of the cup body, and at least one heat insulating outer layer disposed on the outer surface of the cup body, the heat insulating outer layer having a joint portion and a self An inwardly extending portion of the joint portion extending downwardly, and an insulating space formed between the outer surface of the cup body and the inner surface of the heat insulating outer layer, the heat insulation applied by the outer surface of the cup body The outer layer is arranged to increase the structural strength of the entire paper cup, and the heat insulating space formed between the heat insulating outer layer and the cup body has the function of blocking heat source conduction.

However, since the above-mentioned conventional anti-scalding paper cup is attached to the outer surface of the cup body and covered with an insulating outer layer, the insulating outer layer must be additionally applied to the cup body through the arranging action, which causes inconvenience in use. When the heat-insulating outer layer and the cup body are transported or packaged, whether they are combined or separated, the space and cost of packaging and transportation are increased, and the improvement is necessary.

In view of this, the inventors have in-depth discussion on the problems arising from the aforementioned conventional products, and actively seek solutions through years of experience in research and development and manufacturing of related industries. After long-term efforts and research, development has finally succeeded. The "paper cup insulation sheet structure" of the present invention is used to improve the problem of custom creation.

The main object of the present invention is to provide a "paper cup insulation sheet structure", which enables the heat insulation structure of the paper cup to be coupled to the cup body in a lightweight and practical structure, which not only improves the practicality of providing the heat insulation structure of the paper cup, but also It can reduce the manufacturing cost of the insulation structure, and reduce the stacking space during paper cup transportation and packaging, which helps the industry to compete.

For the purpose of achieving the above-mentioned invention, the "paper cup heat insulating sheet structure" of the present invention comprises a paper cup, the upper edge of the cup body is formed with a cup mouth, and a periphery of the outer edge of the cup mouth is formed with a cup of plastic material, mainly When the edge of the cup is formed on the outer edge of the cup, the heat insulating sheet is formed on the outer peripheral edge of the outer edge of the cup at least on opposite sides, and the heat insulating sheet is separated from the outer edge of the cup, and the back surface thereof can be separated. A plurality of convex portions are formed as a structure in which the heat insulating sheet is separated from the cup body. A toothed bent portion is also formed on the outer surface. Thereby, the design of the heat insulating sheet integrally formed on the edge of the cup, and the structure of the convex portion and the bent portion not only make the paper cup heat insulation use more compact and convenient, but also reduce the volume of the paper cup stacking package. Reduce costs and increase industry competitiveness.

The above-mentioned objects, structures and features of the present invention will be described in detail with reference to the preferred embodiments of the present invention. .

Referring to the first to eighth figures, the "paper cup heat insulating sheet structure" of the present invention comprises a paper cup (1) which is a cup body (10) made of a paper material and a cup edge (20). And a plurality of heat insulating sheets (30) and the like, wherein: the cup body (10) is in the form of a general paper cup, which is formed by winding a paper board, and the bottom edge is fixed with a bottom (11), and the upper shape is An open cup opening (12) is formed and the outer edge of the cup opening (12) is provided for the cup edge (20) to be combined.

The cup edge (20) is formed in a circular shape corresponding to the cup mouth (12), and is made of a general plastic material, or a plastic material which can be biodecomposed or a raw plastic, and can be formed by in-mold injection molding. It is integrally formed on the outer edge of the cup mouth (12) of the cup body (10), or is formed by external means such as hot pressing or high frequency. Mainly when the cup edge (20) is disposed on the outer edge of the cup mouth (12), and simultaneously forming the heat insulating sheets (30) at least on opposite sides of the outer peripheral edge of the cup body (10). As a heat insulation for the user to hold the paper cup (1).

The heat insulating sheets (30) have a wing-like structure and may be in the shape of a palm or a wing and have a separate structure from the outer edge of the cup (10). Each of the back surface or the outer surface of the heat insulating sheet (30) may separately or simultaneously form a plurality of convex portions (31) of various structures such as dots and wires as a partition portion of the heat insulating sheet (30) and the cup body (10). To enhance the insulation effect. Further, each of the heat insulating sheets (30) is folded upward for convenience, and a portion connected to the cup edge (20) may form a fold line portion (34), or as shown in the seventh figure, may be appropriately located at the upper edge. The structure of the zoning groove (33) is formed. In addition, the surface of the heat insulating sheet (30) can form a toothed bent portion (32), which can facilitate the bending action when pressed.

Secondly, the heat insulating sheet (30) of the present invention can be designed as a heat insulating structure, and can also be represented by a wavy structure as shown in FIG. 5, and has a concave portion in which the concave and convex portions are sequentially connected. Further, the The undulating undulating structure can be a straight or lateral wave structure. Thereby, the heat insulating effect of the heat insulating sheet (30) in contact with the cup body (10) can be enhanced by the integrally formed wave-like uneven structure.

Referring to the sixth figure, the application of the present invention is such that when a large number of paper cups (1) are to be packaged and transported, the stack between the paper cups (1) and the paper cups (1) can be used for the heat insulating sheets (30). ) stacking up and stacking, and because the heat insulating sheets (30) are in the form of a sheet and provided with a bent portion (32), it can be bent and bent when the paper cup (1) is stacked and pressed, thereby reducing the stacking package. Volume space.

In addition, as shown in the eighth figure, when the heat insulating sheets (30) of the present invention are integrally formed on the outer peripheral edge of the cup edge (20), the cup lid cannot be used, so each of the heat insulating sheets (30) can also be formed on the bottom surface of the cup edge (20) without hindering the sleeve assembly of the lid (40).

Accordingly, with the above-described component composition, the heat insulating sheet (30) is integrally formed on the design of the cup edge (20), and the structure of the convex portion (31) and the bent portion (32) not only makes the paper cup (1) The use of heat insulation is more compact and convenient, and it can also reduce the packaging and shipping costs of paper cups (1) and enhance the competitiveness of the industry.

In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, the technical materials of such structures are not frequently found in the literature and the literature, and the same structure is not found in the literature. The invention has already possessed a new type of patent element, and has applied for it according to law.

(10). . . Cup

(11). . . Cup bottom

(12). . . Cup mouth

(20). . . Cup edge

(30). . . Heat insulation film

(31). . . Convex

(32). . . Bending section

(33). . . Ditch

(34). . . Fold line

(40). . . Cup lid

The first figure is a perspective view of the present invention.

The second drawing is a schematic cross-sectional view of the present invention.

The third drawing is a schematic cross-sectional view of a second embodiment of the convex portion of the present invention.

The fourth drawing is a perspective view of a third embodiment of the convex portion of the present invention.

The fifth figure is a schematic cross-sectional view of the heat insulating sheet of the present invention in a wave structure.

The sixth figure is a schematic diagram of the stacking of paper cups of the present invention.

Fig. 7 is a perspective view showing another structural change of the heat insulating sheet of the present invention.

The eighth figure is a schematic cross-sectional view of an embodiment of the present invention which can be combined with a cup lid.

The ninth figure is a sectional view of a combination of conventional anti-scalding paper cups.

(10). . . Cup

(12). . . Cup mouth

(20). . . Cup edge

(30). . . Heat insulation film

(31). . . Convex

(32). . . Bending section

(34). . . Fold line

Claims (10)

A paper cup insulation sheet structure, comprising a cup body comprising a paper material, the upper edge of the cup body is formed with a cup mouth, and a periphery of the outer edge of the cup mouth is formed with a cup edge of plastic material, wherein the cup edge is extended It has opposite insulation sheets. The paper cup insulation sheet structure according to claim 1, wherein the heat insulation sheet is formed to extend on opposite sides of the cup edge. According to the paper cup insulation sheet structure of claim 1, wherein the heat insulation sheet has a plurality of convex portions formed on the back surface thereof as a structure for separating the heat insulation sheet from the cup body. According to the paper cup insulation sheet structure of claim 1, wherein the outer surface of each of the heat insulation sheets can form a plurality of convex portions as a structure for separating the heat insulation sheet from the cup body. The paper cup insulation sheet structure according to claim 2, wherein the plurality of protrusions are distributed in a dot shape on the back surface of the heat insulation sheet. The paper cup insulation sheet structure according to claim 2, wherein the plurality of protrusions are linearly distributed on the back surface of the heat insulation sheet. The paper cup heat insulating sheet structure according to claim 1 or 2, wherein each of the heat insulating sheet surfaces is formed with a toothed bent portion. The paper cup heat insulating sheet structure according to claim 1, wherein each of the heat insulating sheets has a wavy structure and has a structure in which the unevenness is sequentially connected. The paper cup insulation sheet structure according to claim 1, wherein each of the heat insulation sheets is joined and formed on a bottom surface of the cup edge. The paper cup insulation sheet structure according to claim 1, wherein each of the heat insulation sheets and the cup edge are connected to each other to form a fold line portion.