TWI715359B - Wrench handle with pattern and the manufacturing method thereof - Google Patents

Abstract

A wrench handle with pattern and the manufacturing method thereof, the method comprises the following steps: manufacturing a substrate, so as to provide a first mold having a first inner surface surrounding a first space and at least one protrusion, a first material is injected into the first space to form a first portion, the projection defines a recess in the first portion, and a convex portion is formed around the recess, and manufacturing a decorative layer, so as to provide a second mold having a second inner surface surrounding a second space, the first portion is placed in the second space, the convex portion is abutted against the second inner surface, and the second material is injected into the second space to fill the recess, so as to form a second portion.

Description

Wrench grip with pattern and manufacturing method thereof

The present invention relates to a wrench grip, particularly to a wrench grip with patterns.

The present invention also relates to a manufacturing method of the aforementioned patterned wrench grip.

Generally, wrenches are equipped with different patterns and colors on the handle of the wrench for aesthetics, decoration or recognition. However, due to the limitations of manufacturing molds and difficulty in manufacturing processes, the aforementioned patterns, colors or patterns can only be used. Processed on a specific area of the grip, and the pattern, color or pattern cannot be distributed throughout the grip. This will greatly reduce the beautiful decoration or identification of the wrench, and the manufacturer or seller of the wrench cannot To effectively demonstrate the commercial value of the wrench, a wrench grip with arbitrarily designed patterns and its manufacturing method are needed.

The present invention provides a wrench grip with patterns and a manufacturing method thereof, the main purpose of which is to be able to arrange different patterns, colors or patterns at any position on the handle.

In order to achieve the foregoing objective, one of the embodiments of the wrench grip with patterns of the present invention, the grip is cylindrical and includes:

A first part having at least one convex portion and at least one concave portion, and the at least one convex portion has a first top surface;

A second part is located in the recess of the first part. The second part has a second top surface. The first top surface and the second top surface are connected to form an outer surface of the grip. The outer surface is a ring shape.

The manufacturing method of the patterned wrench grip of the present invention includes:

In a substrate manufacturing step, a first mold is provided, the first mold has a first inner surface, the first inner surface surrounds a first space, the first mold has at least one bump, and the first material is injected into the first mold. In the first space, a first part is formed, the convex block defines a concave part of the first part, and a convex part is formed around the concave part;

A manufacturing step of the decorative layer provides a second mold having a second inner surface, the second inner surface surrounds a second space, the first part is placed in the second space, and the convex portion Against the second inner surface, the second material is injected into the second space, so that the second material fills the concave portion to form a second part.

From the foregoing, it can be seen that the manufacturing method of the patterned wrench grip of the present invention is mainly because the first part of the handle is formed in the first mold, and the protrusions of the first mold are arranged so that the first part is poured After molding, the concave and convex are formed, and the first part is placed in the second mold so that the convex of the first part abuts against the second inner surface, and the second material is filled into the second space. Pouring along the concave part and filling the concave part without covering the first top surface of the convex part, so that the material, color or texture of the first part and second part of the handle can be fully displayed; in addition, it can be achieved by the aforementioned method Realize the purpose of being able to arrange different patterns, colors or patterns at any position on the handle.

One embodiment of the patterned wrench grip Z of the present invention, please refer to Figures 1 to 9, including:

A first portion 10 has at least one convex portion 11 and at least one concave portion 12, and the at least one convex portion 11 has a first top surface 111;

A second part 20 is located in the recess 12 of the first part 10, the second part 20 has a second top surface 21, the first top surface 111 and the second top surface 21 are connected to form a plane or an arc .

Preferably, the recess 12 has a first joining surface 121, and the direction in which the first joining surface 121 faces is the same as the direction in which the first top surface 111 faces. Further, the first joining surface 121 and the first top The surfaces 111 are substantially parallel to each other. The second portion 20 has a second joint surface 22 that contacts the first joint surface 121, and the second joint surface 22 faces away from the second top surface. twenty one.

Preferably, the plane and the curved surface are continuous.

Preferably, the material, color or texture of the first part 10 and the second part 20 are different.

Another embodiment of the patterned wrench grip Z of the present invention, the patterned wrench grip Z is cylindrical, please refer to Figures 1 to 9, including:

A first portion 60 has at least one convex portion 61 and at least one concave portion 62, and the at least one convex portion 61 has a first top surface 611;

A second part 70 is located in the recess 62 of the first part 60. The second part 70 has a second top surface 71. The first top surface 611 and the second top surface 71 are connected to form a part of the grip Z The outer surface S is an annular surface.

Preferably, the outer surface S is continuous.

Preferably, the concave portion 62 has a first joining surface 621, and the direction in which the first joining surface 621 faces is the same as the direction in which the first top surface 611 faces. Further, the first joining surface 621 and the first top The surfaces 611 are substantially parallel to each other. The second portion 70 has a second joint surface 72 which contacts the first joint surface 621, and the second joint surface 72 faces away from the second top surface. 71.

Preferably, the patterned wrench grip Z has a first end K1 and a second end K2 opposite to each other, defining a body section K3 between the first end K1 and the second end K2, and the first end K1 And the perimeter of the second end K2 is smaller than the perimeter of the main body section K3. Further, the middle point of the main body section K3 is defined as the middle point K31 of the main body section K3 from the midpoint of the first end K1 and the second end K2. The circumference of K31 to the first end K1 is tapered, and the main body section K3 is tapered from the midpoint K31 to the circumference of the second end K2, so that the patterned wrench grip Z is almost olive-shaped.

Preferably, the material, color or texture of the first part 60 and the second part 70 are different.

From the foregoing, it can be seen that the patterned wrench grip Z of the present invention mainly penetrates the different shapes and distributions of the recesses 12 of the first part 10, and matches the materials, colors or textures of the first part 10 and the second part 20, namely It can achieve the purpose of arranging different patterns, colors or patterns at any position on the handle.

One embodiment of the manufacturing method of the patterned wrench grip Z of the present invention, please refer to Figures 1 to 3, including:

A substrate manufacturing step A provides a first mold M1, the first mold M1 has a first inner surface M11, the first inner surface M11 surrounds a first space M12, the first mold M1 has at least one bump M13, inject a first material into the first space M12 to form a first portion 10, 60. The bump M13 defines a recess 12, 62 of the first portion 10, 60, and a protrusion is formed around the recess 12, 62 Part 11, 61;

A decorative layer manufacturing step B provides a second mold M2, the second mold M2 has a second inner surface M21, the second inner surface M21 surrounds a second space M22, the first part 10, 60 is inserted In the second space M22, the convex portions 11, 61 abut the second inner surface M21, and the second material is injected into the second space M22, so that the second material fills the concave portions 12, 62 to form a second part 20, 70.

Preferably, the convex portions 11, 61 have a first top surface 111, 611, and the first top surface 111, 611 abuts the second inner surface M21.

Preferably, the number of the protrusions M13 is plural, the first part 10, 60 has a plurality of recesses 12, 62, and the protrusions 11, 61 are formed between the recesses 12, 62.

From the foregoing, it can be seen that the manufacturing method of the patterned wrench grip Z of the present invention is mainly based on the first mold M1 first forming the first parts 10, 60 of the handle Z, and using the protrusions of the first mold M1 M13 is arranged so that the first parts 10, 60 form concave parts 12, 62 and convex parts 11, 61 after injection molding, and then the first parts 10, 60 are placed into the second mold M2 to make the first parts 10, 60 convex When the parts 11, 61 abut the second inner surface M21, and then the second material is filled into the second space M22, it will only be poured along the recesses 12, 62, and filled into the recesses 12, 62 without covering The first top surfaces 111, 611 of the convex parts 11, 61 enable the material, color or texture of the first part 10, 60, and the second part 20, 70 of the handle Z to be fully displayed; in addition, the aforementioned method can achieve The purpose of arranging different patterns, colors or patterns at any position on the handle.

10.60: Part One

11, 61: convex part

111, 611: first top surface

12, 62: recess

121, 621: first joint surface

20, 70: part two

21, 71: second top surface

22, 72: second joint surface

S: outer surface

K1: first end

K2: second end

K3: Main section

K31: midpoint

A: Substrate manufacturing steps

B: manufacturing steps of decorative layer

M1: The first mold

M11: first inner surface

M12: The first space

M13: bump

M2: second mold

M21: second inner surface

M22: second space

Z: Grip

Figure 1 is a side view of a wrench grip with a pattern applied to a wrench according to the present invention. Figure 2 is a cross-sectional view of the patterned wrench grip of the present invention. Fig. 3 is a partial enlarged schematic diagram of the wrench grip with patterns of the present invention. Figure 4 is a schematic diagram of the manufacturing process of the patterned wrench grip of the present invention. Figure 5 is a schematic diagram of the manufacturing process of the patterned wrench grip of the present invention. Figure 6 is a schematic diagram of the manufacturing process of the patterned wrench grip of the present invention. Figure 7 is a schematic diagram of the manufacturing process of the patterned wrench grip of the present invention. Fig. 8 is a schematic diagram of the manufacturing process of the patterned wrench grip of the present invention. Figure 9 is a flow chart of the manufacturing process of the patterned wrench grip of the present invention.

10.60: Part One

11, 61: convex part

111, 611: first top surface

12, 62: recess

20, 70: part two

M2: second mold

M21: second inner surface

M22: second space

Claims (7)

A wrench grip with a pattern, which is cylindrical, includes: a first part with at least one convex part and at least one concave part, the at least one convex part has a first top surface; a second part located on the first part In a part of the recess, the second part has a second top surface, the first top surface and the second top surface are connected to form an outer surface of the grip, the outer surface is ring-shaped; the first part and the first The material, color or texture of the two parts are different. The patterned wrench grip as described in item 1 of the scope of patent application, wherein the outer surface is in a continuous state. The patterned wrench grip as described in item 1 of the scope of patent application, wherein the concave portion has a first joint surface, the first joint surface faces the same direction as the first top surface, and the second The part has a second joint surface, the second joint surface contacts the first joint surface, and the second joint surface faces away from the second top surface. The patterned wrench grip as described in item 1 of the scope of patent application, wherein the patterned wrench grip has a first end and a second end opposite to each other, and the space between the first end and the second end is defined as A main body section, the circumference of the first end and the second end is smaller than the circumference of the main body section. As described in item 4 of the scope of patent application, the wrench grip with a pattern is defined as the middle point of the main body section between the first end and the second end, and the main body section is from the midpoint to the first end The circumference is tapered, and the main body section is tapered from the midpoint to the circumference of the second end. A manufacturing method of a wrench grip with a pattern includes: a substrate manufacturing step, providing a first mold, the first mold having a first inner surface, the first The inner surface surrounds a first space, the first mold has at least one bump, and the first material is injected into the first space to form a first part. The bump defines a concave part of the first part, around the concave part A protruding part is formed; a decorative layer manufacturing step provides a second mold having a second inner surface, the second inner surface surrounds a second space, and the first part is placed in the second space Inside, the convex portion abuts against the second inner surface, and the second material is injected into the second space, so that the second material fills the concave portion to form a second part; the material and color of the first part and the second part Or the texture is different. According to the method for manufacturing a wrench grip with a pattern as described in item 6 of the scope of patent application, the convex portion has a first top surface, and the first top surface abuts against the second inner surface.

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