TWI752710B - Paper chopsticks with anti-slip surface and method for producing the same - Google Patents

Abstract

The present invention proposes a paper chopsticks with an anti-slip surface and a manufacturing method thereof. The method of the present invention uses three paper strips to be continuously supplied to a shaft rod at different inclination angles, and the three paper strips are continuously wound around the shaft rod to form a For paper chopsticks with a three-layer spiral structure, the inclination angle is the angle between the paper plane of the paper tape and the plane where the axis of the shaft rod is located, wherein the first paper tape constitutes the innermost layer of the paper chopsticks, and the second paper tape constitutes the paper The middle layer of the chopsticks, the third paper tape constitutes the outermost layer of the paper chopsticks, one side edge of the third paper tape forms a protruding wrinkle on the outer surface of the paper chopsticks, and then forms a spiral anti-slip on the outer surface of the paper chopsticks Spiral pattern. The paper chopsticks with an anti-slip surface of the present invention have anti-slip spiral patterns, which can increase the friction force for holding food and are easy to hold. The three-layer spiral structure can improve the structural strength of the paper chopsticks, and can be rapidly and continuously manufactured.

Description

Paper chopsticks with anti-slip surface and method of making the same

The present invention relates to a disposable chopsticks and a manufacturing method thereof, in particular to a paper chopsticks with an anti-slip surface and a manufacturing method thereof.

Traditional disposable chopsticks are basically made of bamboo or wood. Due to the poor color of natural bamboo or wood, and there may be insect eggs or other substances that are harmful to human health, sterilization must be performed during the production process. , removal of insect eggs and bleaching, it is inevitable that sulfur or hydrogen peroxide, which are used in the production process, are often left in disposable chopsticks; Another environmental issue is that although some government agencies advocate to carry eco-friendly chopsticks by themselves, because of the inconvenience, they need to be cleaned as soon as possible after use to maintain hygiene, and the popularity is not high.

In the authorized Taiwan New Patent Publication No. 355979, a paper chopstick structure is proposed, which is a paper base material, and is combined into a cylindrical chopstick body by rolling and heating; although this kind of paper chopsticks is easy to handle , It is more environmentally friendly than ordinary disposable bamboo chopsticks, but it is simply rolled into a cylindrical chopstick body with paper, which has poor structural strength, and its smooth appearance is not easy to use and hold.

Another paper chopstick structure is proposed in the authorized Taiwan New Patent Certificate No. M536015. The paper chopsticks system is made of a paper material, wherein the paper chopsticks system has a coiled surface to form a spiral structure, and The system of the paper chopsticks is hollow, and the body of the paper chopsticks is hollow. The circular diameter of the rear end of the paper chopsticks is larger than the circular diameter of the front end of the paper chopsticks body, and the hardness of the front end of the paper chopsticks body is higher than the hardness of the rear end of the paper chopsticks body. This kind of paper chopsticks with a spiral structure has a large head and a small tail and is tapered. Each time the winding cannot exceed a certain length, it needs to be cut off or stopped, and then rewound to make another paper chopsticks. Continuous and unlimited length winding, the manufacturing speed is slow, and the appearance is basically flat or smooth, and the friction force is low, which is also unfavorable for holding or clamping food.

The purpose of the present invention is to provide a paper chopsticks with good structural strength, which can increase the frictional force for holding food, is easy to hold, and can be manufactured rapidly and continuously, and a manufacturing method thereof.

The manufacturing method of the paper chopsticks with anti-slip surface proposed by the present invention comprises the following steps:

A first paper tape, a second paper tape and a third paper tape are continuously supplied to a spindle bar by a continuous feeding unit, the first paper tape and the second paper tape are continuously supplied to the spindle at a first inclination angle bar, the third paper tape is continuously supplied to the shaft bar at a second inclination angle, the first inclination angle being the distance between the paper plane of the first paper tape and the second paper tape and the plane of the axis of the shaft bar Included angle, the second inclination angle is the included angle between the paper plane of the third paper tape and the plane of the axis of the shaft rod;

Coating the first side surfaces of the first, second and third tapes before the first, second and third tapes are supplied to the mandrel viscose; and

A friction belt is used to bring the front ends of the first paper tape, the second paper tape and the third paper tape to the shaft rod and continuously wind it around the shaft rod, thereby forming paper chopsticks with a three-layer spiral structure and facing the shaft at the same time. When the discharge direction moves, the long axis directions of the first paper tape, the second paper tape and the third paper tape are parallel to each other, and the first paper tape, the second paper tape and the third paper tape are in the same direction as each other. Adjacent sides are adhered to each other in a partially overlapping relationship in sequence, the first paper tape, the second paper tape and the third paper tape The tape is continuously wound around the shaft rod at a helix angle to form paper chopsticks with a three-layer spiral structure, wherein the first paper tape constitutes the innermost layer of the paper chopsticks, and the second paper tape constitutes the middle layer of the paper chopsticks , the third paper tape constitutes the outermost layer of the paper chopsticks, and the side edge (the edge marked XX in the figure) where the third paper tape is not overlapped and bonded together with the second paper tape is on the outer surface of the paper chopsticks A protruding wrinkle is formed, and a helical anti-slip spiral pattern is formed on the outer surface of the paper chopsticks.

Wherein the first paper tape, the second paper tape and the third paper tape have the same tape width, the first pitch of the spiral structure formed by the first paper tape and the second spiral structure formed by the second paper tape The pitches are the same, and the first pitch and the second pitch are the same as the width of the paper tape of the first paper tape and the second paper tape.

An embodiment of the method for manufacturing paper chopsticks with an anti-slip surface of the present invention includes using paper tapes of different materials and thicknesses as the first paper tape, the second paper tape and the third paper tape.

The thickness of the first paper tape and the second paper tape are the same, and the thickness of the third paper tape is equal to or greater than the thickness of the first paper tape and the second paper tape.

The material of the first paper tape and the second paper tape are the same, the material of the third paper tape is different from the material of the first paper tape and the material of the second paper tape, and the friction coefficient of the material of the third paper tape is greater than The friction coefficient of the material of the first paper tape and the second paper tape.

The first paper tape, the second paper tape and the third paper tape are made of thick and long fibers.

One aspect of the present invention includes paper chopsticks with an anti-slip surface produced by the above-mentioned manufacturing method of paper chopsticks with an anti-slip surface.

The paper chopsticks with anti-slip surface and the manufacturing method thereof of the present invention have the advantages and effects that they have anti-slip spiral patterns, which can increase the friction force for holding food and are easy to hold. The structure can improve the structural strength of paper chopsticks, and can be manufactured rapidly and continuously.

10: First paper tape

20: Second paper tape

30: Third Paper Tape

31: Edge

32: Anti-slip spiral pattern

40: shaft rod

50: Viscose

60: Friction belt

θ 1: first inclination angle

θ 2: Second inclination angle

θ 3: Action angle

θ 4: Helix angle

A:Paper chopsticks

B: wrinkled

D1: discharge direction

D2: Forward direction

P1: Paper planes of the first and second tapes

P2: The plane where the axis is located

P3: Paper plane of the third tape

Pt1: the first pitch

Pt2: Second pitch

S1: First side surface

S2: Second side surface

W: tape width

FIG. 1 is a schematic structural diagram of an embodiment of the method for manufacturing paper chopsticks with an anti-slip surface of the present invention.

Fig. 2 is a front view of Fig. 1 .

Fig. 3 is an external view of the structure of the paper chopsticks with a non-slip surface according to the present invention. (Three-dimensional appearance drawing)

Fig. 4 is a front view of the paper chopsticks with anti-slip surface of the present invention.

FIG. 5 is a cross-sectional structural view of FIG. 4 .

Fig. 6 is a schematic view of the operation of the manufacturing method of the paper chopsticks with anti-slip surface of the present invention, showing the action of forming wrinkles.

First, please refer to FIG. 1 and FIG. 2 , which are a schematic structural diagram and a front view of an embodiment of a method for manufacturing paper chopsticks with a non-slip surface of the present invention. An embodiment of the manufacturing method of the anti-slip paper chopsticks of the present invention includes the following steps.

(1) Continuously supply a first paper tape 10, a second paper tape 20 and a third paper tape 30 to a shaft rod 40 by a continuous feeding unit, wherein the first paper tape 10 and the second paper tape 20 are separated by a The first inclination angle θ1 (70-80 degrees) is continuously supplied to the shaft rod 40, and the third paper tape 30 is continuously supplied to the shaft rod 40 at a second inclination angle θ2 (50-60 degrees). The said first inclination angle θ1 is the angle between the paper plane P1 of the first paper tape 10 and the second paper tape 20 and the plane P2 where the axis of the shaft rod 40 is located, and the second inclination angle θ2 is the third paper tape 30. The angle between the plane P3 of the paper and the plane P2 where the axis of the shaft rod is located.

(2) Supply to the shaft bar 40 at the first paper tape 10 , the second paper tape 20 and the third paper tape 30 Before, on the first side surface S1 of the first paper tape 10 , the second paper tape 20 and the third paper tape 30 (from the perspective shown in FIGS. 1 and 2 , the first side surface S1 is the upper surface ) coating the adhesive 50, wherein the adhesive 50 is preferably an environmentally friendly adhesive or a food-grade adhesive. as well as

(3) Use a friction belt 60 to bring the front ends of the first paper tape 10, the second paper tape 20 and the third paper tape 30 to the shaft rod 40 and continuously wind them around the shaft rod 40, thereby forming a three-layer spiral structure. The paper chopsticks A (see Figures 3 and 4) move toward a discharge direction D1 at the same time, the long axis directions of the first paper tape 10, the second paper tape 20 and the third paper tape 30 are juxtaposed and parallel to each other. The tape 10 , the second paper tape 2 and the third paper tape 30 are sequentially bonded to each other in a partially overlapping relationship on the adjacent sides. In the direction shown in the figure, it means that the second paper A portion of the first side surface S1 on the left side of the tape 20 overlaps the second side surface S2 on the right side of the first paper tape 10 (from the perspectives shown in FIGS. 1 and 2, the second side surface S2 is the bottom surface), the first paper tape 10 and the second paper tape 20 are bonded together by the adhesive 50 on the first side surface S1; similarly, a part of the left first side surface S1 of the third paper tape 30 is overlapped on the On the second side surface S2 on the right side of the second paper tape 20, the second paper tape 20 and the third paper tape 30 are bonded together by the adhesive 50 on the first side surface S1; The paper tape 20 and the third paper tape 30 are continuously wound around the shaft rod 40 at a helix angle θ 4 (see FIG. 4 ) to form the paper chopsticks A with a three-layer spiral structure, wherein the first paper tape 10 constitutes the paper chopsticks A The innermost layer, the second paper tape 20 constitutes the middle layer of the paper chopsticks A, the third paper tape 30 constitutes the outermost layer of the paper chopsticks A, and the third paper tape 30 and the second paper tape 20 are not overlapped and bonded together. One side edge 31 (the edge marked with XX in the figure) forms a protruding wrinkle B on the outer surface of the paper chopsticks A. Please refer to Fig. 6 for the formation of the wrinkle B, because the third paper tape 30 is at a second inclination angle. θ 2 is continuously rolled into the shaft rod 40 through the friction belt 60. During the winding process, the side edge of the third paper tape 30 and the second paper tape 20 that are overlapped and bonded together will be closely adhered to the inner layer, but in the third The side edge 31 of the paper tape 30 that is not overlapped and bonded to the second paper tape 20 will It is in a slightly warped state for the second inclination angle θ 2, and then is forced to be squeezed by the subsequent third paper tape 30 when continuing to roll the next circle to form the described wrinkle B, and then a spiral is formed on the outer surface of the paper chopsticks A. The anti-slip spiral pattern 32 (see Figure 3) can increase the frictional force of gripping food and make it easy to hold.

The friction belt 60 is wound around the shaft rod 40 once, and the friction belt 60 is preferably a flat rubber belt. The friction belt 60 is driven by a driving device (not shown in the figure, such as a pulley driving device) and cyclically moves toward a forward direction D2 Moving, the front ends of the first paper tape 10, the second paper tape 20 and the third paper tape 30 can extend into a gap between the friction belt 60 and the shaft rod 40, The front ends of the paper tape 10 , the second paper tape 20 and the third paper tape 30 are brought to the shaft rod 40 and continuously wound around the shaft rod 40 , thereby forming the paper chopsticks A with a three-layer spiral structure. The action of the friction force drives the paper chopsticks A to move toward the discharging direction D1, there is an action angle between the advancing direction D2 of the friction belt 60 and the discharging direction D1 of the paper chopsticks A, and the action angle θ3 is less than 90 degrees , preferably 45 degrees.

Please refer to FIG. 5, as a preferred embodiment of the present invention, wherein the tape width W of the first paper tape 10, the second paper tape 20 and the third paper tape 30 are the same, and the spiral formed by the first paper tape 10 The first pitch Pt1 of the structure and the second pitch Pt2 of the helical structure formed by the second paper tape 20 are the same, and the first pitch Pt1 and the second pitch Pt2 are the same as the paper tape width W of the first paper tape 10 and the second paper tape 20 . Therefore, after the first paper tape 10 and the second paper tape 20 are continuously wound around the shaft rod 40 at the helix angle θ4 to form the paper chopsticks A having a three-layer helical structure, the helical structure formed by the first paper tape 10 and The spiral structure formed by the second paper tape 20 will be combined together to form a straight spiral tube, and the three-layer spiral structure formed by the third paper tape 30 can improve the structural strength of the paper chopsticks A, and can be rapidly and continuously manufactured.

Although the technical features, effects and exemplary embodiments of the present invention have been The above-mentioned embodiments are disclosed as above, but they are not intended to limit the present invention. Those skilled in the art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of the patent protection of the present invention must be considered What is defined by the claims of this application shall prevail.

10: First paper tape

20: Second paper tape

30: Third Paper Tape

31: Edge

32: Anti-slip spiral pattern

40: shaft rod

60: Friction belt

θ 2: Second inclination angle

θ 3: Action angle

A:Paper chopsticks

B: wrinkled

D1: discharge direction

D2: Forward direction

P2: The plane where the axis is located

P3: Paper plane of the third tape

S1: First side surface

S2: Second side surface

Claims (7)

A method for manufacturing paper chopsticks with an anti-slip surface, the method comprising the steps of: using a continuous feeding unit to continuously supply a first paper tape, a second paper tape and a third paper tape to a shaft rod, the first paper tape The paper tape and the second paper tape are continuously supplied to the shaft bar with a first inclination angle, the third paper tape is continuously supplied to the shaft bar with a second inclination angle, the first inclination angle is the first paper tape and the The angle between the paper plane of the second paper tape and the plane of the axis of the shaft rod, the second inclination angle is the angle between the paper plane of the third paper tape and the plane of the axis of the shaft rod; A paper tape, the second paper tape and the third paper tape are coated with adhesive on the first side surfaces of the first paper tape, the second paper tape and the third paper tape before being supplied to the shaft rod; And use a friction belt to bring the front ends of the first paper tape, the second paper tape and the third paper tape to the shaft rod and continuously wind it on the shaft rod, thereby forming paper chopsticks with a three-layer spiral structure at the same time. The long axis directions of the first paper tape, the second paper tape, and the third paper tape are moved toward a discharge direction to be parallel to each other, and the first paper tape, the second paper tape, and the third paper are in phase with each other. Adjacent sides are bonded to each other in a partially overlapping relationship in sequence, and the first paper tape, the second paper tape and the third paper tape are continuously wound around the shaft bar at a helix angle to form a three-layered Paper chopsticks with spiral structure, wherein the first paper strip constitutes the innermost layer of the paper chopsticks, the second paper strip constitutes the middle layer of the paper chopsticks, the third paper strip constitutes the outermost layer of the paper chopsticks, and the third paper strip constitutes the outermost layer of the paper chopsticks. The side edge of the paper tape which is not overlapped with the second paper tape forms a protruding wrinkle on the outer surface of the paper chopsticks, and further forms a spiral anti-slip spiral pattern on the outer surface of the paper chopsticks. The method for manufacturing paper chopsticks with an anti-slip surface according to claim 1, wherein the widths of the first paper tape, the second paper tape and the third paper tape are the same, and the spiral structure formed by the first paper tape The first pitch and the second pitch of the helical structure formed by the second paper tape are the same, and the first pitch and the second pitch are the same as the width of the paper tape of the first paper tape and the second paper tape. The method for manufacturing paper chopsticks with an anti-slip surface according to claim 1, wherein the thickness of the first paper tape and the second paper tape are the same, and the thickness of the third paper tape is equal to or greater than that of the first paper tape and the The thickness of the second paper tape. The method for manufacturing paper chopsticks with an anti-slip surface as claimed in claim 1, wherein the first paper tape and the second paper tape are made of the same material, and the third paper tape is different from the material of the first paper tape and the first paper tape. The material of the second paper tape, the friction coefficient of the material of the third paper tape is greater than the friction coefficient of the material of the first paper tape and the second paper tape. The method for manufacturing paper chopsticks with an anti-slip surface according to claim 3, wherein the first paper tape, the second paper tape and the third paper tape are made of thick and long fibers. The method for manufacturing paper chopsticks with an anti-slip surface according to claim 1, wherein the friction belt is wound around the shaft rod once, and the friction belt is driven by a driving device to move cyclically toward a forward direction, and the first paper The front ends of the belt, the second paper belt and the third paper belt can extend into a gap between the friction belt and the shaft rod, and the friction belt uses friction to connect the first paper belt, the second paper belt The front end of the tape and the third paper tape are brought toward the shaft rod and continuously wound around the shaft rod, thereby forming paper chopsticks with a three-layer spiral structure, and at the same time, the paper chopsticks are driven toward the outlet by the frictional force of the friction belt. There is an action angle between the forward direction of the friction belt and the discharge direction of the paper chopsticks. A kind of paper chopsticks with anti-slip surface made by any one of the manufacturing methods of paper chopsticks with anti-slip surface described in claim 1 to 6.

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