JPH11285989A - Tool with grip coated with synthetic resin foam and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a hand or glove from sticking to a grip part of a metal tool in using the metal tool at a very cold time or in a freezing room by coating the grip part with synthetic resin foam by a foam coating method. SOLUTION: A pair of pliers 1a is dried at a first specified temperature of about 2300-300 deg.C in a drying furnace, and after the temperature of the pliers 1, synthetic resin melted in a solvent is sprayed to metallic grip parts 2, 2 of the pliers by a foaming coating method to coat the parts 2, 2 therewith. With the coating, workability is improved remarkably without sticking of hand or glove to the parts 2, 2 even under a very low temperature condition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tool with a synthetic resin foam-coated painted handle and a method of manufacturing the same, and more particularly, to a synthetic resin in which a handle of a metal working tool such as a pliers or a spanner is coated with a resin foam. The present invention relates to a foam-coated tool with a handle and a method for producing the same.

[0002]

2. Description of the Related Art Spanner 1 as a conventional metal working tool
As shown in FIG. 9, the handle portion 104 of No. 03 generally had bare metal. Further, as shown in FIG. 10, a handle 1 of a pliers 100 as a metal working tool is provided.
01 and 101 are resin sheets 102 such as vinyl chloride.
Was coated. In the industry, the grips 101, 104 of a metal power tool are as described above,
When the temperature is extremely low, such as -10 ° C, -15 ° C, and -20 ° C, it is natural that the grips 101 and 104 stick to hands and gloves. No consideration was given.

[0003]

However, when the temperature is extremely cold in Hokkaido or in a freezing room, it is -10 ° C, -15 ° C, -2 ° C.
At the time of working at 0 ° C. or the like, if the metal of the former 103 is gripped by the bare hand with the handle 104 of the exposed tool, it is difficult for the hand to stick to the handle 104, and if the glove is used to grip the handle 104, The gloves stuck to the handle 104, making it difficult to work on the arrow. In the case of the tool 100 coated with the latter resin 102, 102, the coated resin 102, 102
Is easily peeled off, and the resin 10
2,102 were easily damaged. Further, the resin 102,
102 is a thin sheet, so that the metal handle 10
The hard feeling of 1,101 was transmitted to the hand, and when used continuously for a long time, beans and octopus were formed on the hand, which was troublesome. The problem to be solved by the present invention, in view of the above drawbacks, when using a metal tool in extremely cold or freezer as described above, so that hands and gloves do not stick to the handle of the tool. It is another object of the present invention to provide a synthetic resin foam-coated tool with a handle portion in which a synthetic resin is coated on a handle portion of a metal tool by a foam coating method, and a method of manufacturing the same.

[0004]

Means for Solving the Problems The tool with a synthetic resin foam-coated painted handle and the method of manufacturing the same according to the present invention solves the above problems and is as follows.
According to a first aspect of the present invention, there is provided a tool with a synthetic resin foam-coated painted handle portion, comprising a head or a head and a drum portion, and a metal tool having a handle portion, wherein the handle portion is coated with a synthetic resin foam by a foam coating method. It is characterized by having made it.

According to a second aspect of the present invention, there is provided a synthetic resin foam-coated tool with a handle provided with a head or a head and a drum. The handle is covered with a synthetic resin foam by a foam coating method at a temperature not higher than a predetermined temperature.

According to a third aspect of the present invention, there is provided a tool with a handle portion made of synthetic resin foam coating, comprising a head portion or a head portion and a drum portion, wherein the metal tool having the handle portion comprises a head portion or a head portion and a drum portion; A handle is separately formed, the handle is coated with a synthetic resin foam by a foam coating method, and then the handle is attached to one end of a head or a drum portion.

According to a fourth aspect of the present invention, there is provided a method of manufacturing a tool with a synthetic resin foam-coated painted handle, comprising a head or a head and a drum portion, wherein a metal tool having a handle is used to control the temperature of the metal tool. After raising the temperature to the predetermined temperature of 1, the head portion or the vicinity of the head and the drum portion is lowered to the second predetermined temperature or less, and the handle is covered with a synthetic resin foam by a foam coating method. It is characterized by.

[0006] A typical coating for metal products is 180 °.
A product obtained by dissolving a synthetic resin powder in a solvent is sprayed from a nozzle onto a product that has passed through a drying oven in an atmosphere of C to 250 ° C., and is applied. In the case of the foam coating method used in the present invention, a product obtained by dissolving a synthetic resin powder in a solvent is sprayed from a nozzle onto a product that has passed through a drying furnace in an atmosphere of about 230 ° C. to 300 ° C. Therefore, since the coating temperature is higher than in the former coating method, the hardness of the metal product is reduced or easily deformed due to the annealing action. When the metal product is a cutting tool, the sharpness is easily reduced, and particularly, the sharpness is reduced. In addition, as the coating processing temperature approaches 300 ° C., such adverse effects become apparent, so that the following protective treatment is required.

[0007] Terms used in the present invention will be explained. The head refers to a holding portion or a cutting portion (blade portion) in the case of a cutting tool such as pliers or pliers or a holding tool, and a holding portion in the case of a spanner or the like. The drum part refers to a rotating part of a cutting tool such as pliers or pliers or a holding tool.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below in a state where the pliers and the spanner are applied as a tool with a synthetic resin foam-coated painting handle, but the present invention is not limited to the pliers and the spanner. It can also be applied to other tools provided with a grip that can be gripped by the tool. Embodiment 1 FIG. 1 is a plan view of pliers in a state where a synthetic resin foam is applied to a handle, and FIG. 2 is an exploded plan view of a pliers in a state where a synthetic resin foam is applied to a handle. . Pliers 1a as a tool 1 with a synthetic resin foam coating painting handle
Is formed, and the pliers 1a are set at a second predetermined temperature.
After being inserted into a drying furnace in an atmosphere of about 30 ° C. to 300 ° C. and raising the temperature of the pliers 1a, the grips 2 and 2 of the pliers 1a are sprayed with a synthetic resin dissolved in a solvent by a foam coating method. Then, the handles 2, 2 are covered with foams 3, 3 of synthetic resin. When spraying the synthetic resin, it is desirable to lower the head 4 and the drum 5 of the pliers 1a to a product temperature of about 200 ° C. or less as a second predetermined temperature. 4 and the drum part 5 are dropped into water or immersed in or contacted with warm water or hot water to lower only the head part 4 and the drum part 5 to a product temperature of about 200 ° C. or less (at that time, synthetic resin foam). The temperature of the handle parts 2, 2 covering the parts 3, 3 must not be lowered (not shown). In addition, only the head 4 and the drum 5 of the pliers 1a inserted in the drying furnace are kept at 200 ° C.
It is most preferable that the product temperature can be maintained at a level not higher than the temperature. The atmosphere temperature in the furnace is selected and determined according to the thickness of the synthetic resin foams 3 and 3 to be formed. Although not shown, this embodiment can be applied to various tools including a metal handle 3 such as the spanner 1b.

Since the synthetic resin foam-coated tool with grip section 1 manufactured through the above-described manufacturing process, various effects as listed below can be obtained. First, first,
Foams 3, 3 covering handle portions 2, 2 have elasticity, and pliers 100 a as metal tool 100 in which conventional handle portions 101, 101 are simply covered with synthetic resin 102, 102. Unlike, very comfortable to grip,
Even after continuous use for a long time, I was tired and made beans and octopus in my hands. Further, unlike the conventional resin 102, 102 coating, since the coating treatment is performed at a high temperature, the foams 3, 3
Are firmly fixed to the metal handle portions 2 and 2 and are hard to be peeled off. Even if the foams 3 and 3 are to be damaged with a blade, they are hard to be damaged and have excellent durability. Second, when the head 4 and the drum portion 5 are subjected to the foam coating treatment without giving an annealing action, the head 4 and the drum portion 5 are deformed by the annealing and have an adverse effect on the blade portions 4a, 4a. A decrease in sharpness is avoided. Thirdly, the metal handles 2 and 2 are covered with the foams 3 and 3. Since the foams 3 and 3 have heat insulation properties, the hands and gloves are directly made of metal. Without touching the grips 2, 2, even at extremely low temperatures such as -15 ° C or -20 ° C, the hands and gloves stick to the grips 2, 2, making the work very easy and workable. Significantly improved.

[Embodiment 2] A different embodiment of the present invention shown in FIG. 3 will be described. In the following description of the present embodiment, the same components as those of the already described embodiment of the present invention are denoted by the same reference numerals, and redundant description will be omitted. FIG. 3 is an exploded plan view of the pliers in a state where a synthetic resin foam is applied to a separately formed handle. The main difference from the embodiment of the present invention is that a head 11 and a drum 12 are formed,
Separate handle portions 13 are formed, and the handle portions 13
Are coated with resin foams 14, 14 by a synthetic resin foam coating method, and the grips 13, 1 are coated with the foams 14, 14.
3 is attached to one end of the drum section 12. Drum 1
A protrusion 15 provided with a pull-out prevention mechanism is formed at one end of the handle 2, and a hole 16 into which the protrusion 15 can be tightly fitted is formed at one end of each of the grips 13, 13. , 13
After the foam coating is performed, the handles 13, 13 are attached to one end of the drum 12. The details of the mounting means will be described later. Since the synthetic resin foam coating coated handle 1 having the same effect as that of the first embodiment is the synthetic resin foam coated coated handle 1 with the above-described manufacturing process, the tool temperature is set to the first temperature. After raising the temperature of only the grips 13 and 13 to the first predetermined temperature without lowering only the head 11 and the drum section 12 to the second predetermined temperature, resin foaming is immediately performed. Paint can now be applied.

[Embodiment 3] The following embodiment will be described with reference to FIGS. FIG. 4 is an exploded plan view of a spanner in a state where a synthetic resin foam is applied to a separately formed handle,
FIG. 6 is an enlarged cross-sectional view of a main part showing a state where a spanner is attached in a state where a synthetic resin foam is applied to a handle formed separately.
FIG. 4 is an enlarged cross-sectional view of a main part showing a mounted state of a spanner in a state where a synthetic resin foam is applied to a separately formed handle.
The main difference from the above-described embodiment of the present invention is that the invention of the second embodiment is applied to a spanner 1b as a tool 1 with a synthetic resin foam-coated painting handle. That is, the head 21 of the spanner 1b as the tool 1 with a synthetic resin foam-coated paint handle portion
And the handle 22 are formed separately, and a protrusion 23 is formed at one end of the head 21. On the outer periphery of the projection 23, a plurality of radially extending annular small projections 24, 24 are formed on the outer periphery of the projection 23 as a detachment prevention mechanism.
4). The minute projections 24, 2
The head side 21 of 4 stands up in the radial direction perpendicular to the longitudinal direction of the projection 23, and the outer periphery of the minute projections 24, 24 is provided with an inclined surface that becomes gradually lower toward the tip end of the projection 23. At one end of the handle portion 22, a hole 25 into which the protrusion 23 can be tightly fitted is provided. A streak-like horizontal groove is provided on the inner wall surface of the hole 25, and the horizontal groove is easily formed when formed as a screw groove, and may be a bare surface.
The handle portion 22 in which the hole 25 is formed is raised to the above-described first predetermined temperature, coated with a resin, and covered with a foam 27. The projection 23 of the head 21 formed as described above is tightly fitted into the hole 25 of the handle 22. As shown in FIG. 6, a thread groove 28 penetrating the outer surface of the handle part 22 and the hole 25 is provided.
The projection 23 tightly fitted to the hole 25 can be fixed by a screw 29 with a screw groove screwed into the hole 8. In addition, a simple projection without minute projections 24, 24 is formed on the head 21, a simple hole without streak-like lateral grooves is formed on the handle 22, and the projection is inserted into the hole and fixed with an adhesive. (Not shown). The pliers 1b according to the second embodiment are wrench 1b as a tool 1 with a handle with a synthetic resin foam coating painted by the above-described manufacturing process.
The same effect as a was obtained.

[Embodiment 4] FIG. 7 is a cross-sectional view showing a state in which a synthetic resin foam is applied to a separately formed cylindrical metal exterior body, and the exterior body is attached to a handle of a spanner. FIG. 8 is an exploded perspective view showing a state in which a synthetic metal foam is applied to a separately formed metal thin plate, and the plate is attached to a handle of a spanner. Next embodiment will be described with reference to FIG. The main difference from the embodiment of the present invention is that a cylindrical metal outer body 31 is formed, and the outer body 31 is subjected to resin foam coating by the above-described method to form a foam 32, and the foam 32 is formed. The exterior body 33 on which the body 32 is formed is attached to the handle 34 of the spanner 1b.
It is the exterior. At that time, the grip 3 of the spanner 1b
4 and the exterior body 33 can be fixed with an adhesive, or can be fixed by other various means. Also, as shown in FIG.
One surface of a thin metal plate 41 is subjected to the above-described foam coating to form a foam 42, and the thin metal plate 41 formed with the foam 42 is attached to a handle 43 of a spanner 1b (or a tool such as pliers). It can also be mounted on the outer circumference. This metal thin plate 4
1 is preferably a flexible metal such as aluminum or copper. As an attaching means, an adhesive or a hook-and-loop fastener 44a, 44b is provided on the front and back of the opposite end of the metal thin plate 41.
[For example, Magic Tape (trademark) of Kuraray Co., Ltd.]
Or a belt-like tape 45, 4 on both ends on one side.
5 may be provided and attached to the outer surface of the handle 43, or may be attached by various methods (not shown).

[0013]

EXAMPLES Further, as a result of an experiment under the following conditions, extremely good results were obtained. Heat the metal pliers and spanner handle to a high temperature of 250 ° C or higher, drop water drops near the head, and form with synthetic resin about 2 mm thick by the resin foam coating method described in the above embodiment. After forming a film of the foamed body and storing it in a freezer at −15 ° C. for 30 minutes, these tools were grasped with bare hands, but the vicinity of the head was stuck to the hand and it was hard to release. The handle on which the film was formed did not stick to the hands, the elasticity of the foamed resin film was not lost, and the grip was very soft and good. Also, in the use test of the iron wire rod using pliers, no reduction in the cutting ability of the blade portion was observed. Of course,
Under ordinary room temperature (10 ° C. to 25 ° C.), the elasticity of the foamed resin film was provided, and no beans or octopus were formed on the hands in a long-time continuous use test.

[0014]

As described above, the tool with a foam-coated blade according to the present invention has the above-described structure, and thus has various effects as listed below. Since the synthetic resin foam coating coated handle of the first aspect has a synthetic resin foam coated on the handle of the metal tool, the foam has elasticity. Obtained. First,
The foam covering the handle has elasticity,
Unlike a conventional metal tool in which a handle is simply covered with a synthetic resin, it has a very good grip, is hard to be tired even when used continuously for a long time, and is hard to bean or octopus in a hand. Next, unlike the conventional resin coating, since the coating process is performed at a high temperature, the foam is firmly fixed to the metal handle, it is hard to peel off, and even if you try to damage the foam with a blade Scratch-resistant and superior in durability. Third,
Since the metal handle is covered with a foam and the foam has heat insulation, the hand or glove does not directly touch the metal handle, for example, at -15 ° C or -20 ° C. Even at extremely low temperatures such as ° C, hands and gloves did not stick to the handle, making workability extremely easy and workability was greatly improved.

According to a second aspect of the present invention, there is provided a tool with a synthetic resin foam-coated painted handle portion, wherein a synthetic resin foam is formed on the handle portion by a foam coating method in a state in which the temperature of the head or the vicinity of the head and the drum portion is not more than a predetermined temperature. Since it is covered, in addition to the same effect as in claim 1, since only the head and the drum part are cooled to a predetermined temperature or less and then subjected to the foam coating treatment, that is, the annealing action on the head and the drum part Since the foam coating treatment is performed without imparting the heat treatment, deformation of the head and the drum section due to annealing and adverse effects on the blade section, that is, a decrease in sharpness, can be avoided.

According to a third aspect of the present invention, there is provided a tool with a synthetic resin foam-coated painted handle portion, in which a head portion, a head portion and a drum portion, and a handle portion are separately formed, and the handle portion is coated with a synthetic resin foam by a foam coating method. After that, the handle is attached to one end of the head or the drum, so that in addition to the same effect as in claim 1, the handle is formed separately from the head or the head and the drum. Because
After raising the temperature of the product to the first predetermined temperature, the temperature of only the handle portion is raised to the first predetermined temperature without lowering only the head and the drum portion to the second predetermined temperature, and then the resin foaming is immediately performed. Paint can now be applied.

According to a fourth aspect of the present invention, there is provided a method of manufacturing a tool with a synthetic resin foam-coated painted handle portion, which comprises increasing the temperature of a metal tool to a first predetermined temperature, and then setting a second portion on the head or the vicinity of the head and drum. 3. A tool with a synthetic resin foam-coated painted handle having the effects of claim 1 and claim 2, since the handle is coated with a synthetic resin foam by a foam coating method in a state where the temperature is lowered to a predetermined temperature or less. Can now be manufactured.

[Brief description of the drawings]

FIG. 1 is a plan view of pliers in a state where a synthetic resin foam is applied to a handle.

FIG. 2 is an exploded plan view of the pliers in a state where a synthetic resin foam is applied to a handle.

FIG. 3 is an exploded plan view of the pliers in a state where a synthetic resin foam is applied to a separately formed handle.

FIG. 4 is an exploded plan view of the spanner in a state where a synthetic resin foam is applied to a separately formed handle.

FIG. 5 is an enlarged cross-sectional view of a main part showing a wrench attached state in which a synthetic resin foam is applied to a separately formed handle.

FIG. 6 is an enlarged cross-sectional view of a main part showing a state where a spanner is attached in a state where a synthetic resin foam is applied to a separately formed handle.

FIG. 7 is a cross-sectional view showing a state in which a synthetic resin foam is applied to a separately formed cylindrical metal exterior body, and the exterior body is attached to a handle of a spanner.

FIG. 8 is an exploded perspective view showing a state in which a synthetic resin foam is applied to a separately formed metal thin plate and the plate is attached to a handle of a spanner.

FIG. 9 is a plan view of a conventional spanner.

FIG. 10 is a plan view of a conventional pliers.

[Explanation of symbols]

 1 ···· Synthetic resin foam coating painting tool with handle 1a ··· Pliers 1b ··· Spanner 2 ··· Handle 3 ···· Synthetic resin foam 4 ···・ Head 5 ・ ・ ・ ・ ・ Taiko 11 ・ ・ ・ ・ Head 12 ・ ・ ・ ・ Taiko 13 ・ ・ ・ ・ Holder 14 ・ ・ ・ ・ Foam 15 ・ ・ ・ ・ Protrusion 16 ・ ・ ・ ・Hole 21 ... Head 22 ... Handle 23 ... Projection 24 ... Minute projection as a mechanism to prevent detachment 25 ... Hole 28 ... Screw groove 29 ... · Screw with thread groove 31 ··· Cylindrical metal outer body 32 ··· Foam 33 ··· Exterior body 34 ··· Handle

Claims (4)

[Claims] 1. A metal tool having a head or a head and a drum portion and having a handle, wherein the handle is coated with a synthetic resin foam by a foam coating method. A tool with a coated paint handle. 2. A metal tool having a head or a head and a drum portion and having a handle portion, wherein the head or the vicinity of the head and the drum portion is foamed on the handle portion at a predetermined temperature or lower. A synthetic resin foam-coated tool with a handle, wherein the synthetic resin foam is coated by a coating method. 3. A metal tool having a head or a head and a drum and having a handle, wherein the head, the head and the drum and the handle are separately formed, and the handle is foam-coated. A synthetic resin foam-coated painting tool with a handle, wherein the handle is attached to one end of a head or a drum portion after coating with a synthetic resin foam by a method. 4. A metal tool having a head or a head and a drum portion and having a handle portion, wherein after raising the temperature of the metal tool to a first predetermined temperature,
A synthetic resin foam coating, wherein the handle is coated with a synthetic resin foam by a foam coating method in a state in which the head or the vicinity of the head and the drum portion is lowered to a second predetermined temperature or less. Manufacturing method of tool with handle.