JP2002347765A - Sound isolation vibration damping metal member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress noise and vibration to be generated by contact or collision, etc., among steel pipes such as round tubes, rectangular tubes, and polygonal tubes or shape steel, etc., that are metal members used for pallets or construction members made of metal member, without losing the effect particular to the relative metal members. SOLUTION: In a sound isolation vibration damping metal member, a flocked material 41 is formed on the inner wall surface 21 thereof by means of static electricity flocking, in regard to steel pipes such as round tubes 11, rectangular tubes 12, and polygonal tubes or metal members such as C-shape steel 13 to be used for a pallet 61 or a wall face structure 71 of construction member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal member used for a pallet for loading / transporting used for moving with a forklift or a member for construction, and particularly to a round tube, a square tube, a polygonal tube and the like. Metal members such as steel pipes or mold steel.

[0002]

2. Description of the Related Art At present, metal members used for pallets for loading / transporting or building members are round tubes, square tubes, and the like.
Steel pipes such as polygonal pipes or mold steel are used.

[0003] When a front surface, a back surface or a floor surface of a pallet made of a metal member collides or comes into contact with each other during use, the metal members generate a loud impact sound or a contact sound. Was a very unpleasant metal sound and was inconvenient for the environment.

[0004] In addition, in the case of architectural members made of metal members, when these members come into contact with each other during construction work, there is a problem that an unpleasant high-pitched metal sound is emitted, which inconveniences nearby residents. Furthermore, since such an unpleasant metal sound is generated, night work cannot be performed, which is inconvenient in terms of production management.

[0005] Further, the operating noise and vibration of electric appliances such as a cooler, a refrigerator and a microwave oven provided in the building resonate with the metal members constituting the building, and the whole building is vibrated or vibrated. There were also inconveniences that resonated and impaired the quiet living environment, and that they became resident's stress.

Therefore, in order to prevent such a phenomenon,
For conventional metal members, a foam sheet is bonded to the inner surface of steel pipes and mold steel. Attach or insert a rubber sheet on the surface or inside of a steel pipe or mold steel. A hollow portion or a void portion of a steel pipe or a mold steel is filled with a resin foam. A glass wool or a rock wool is stuck or inserted into a hollow portion or a void portion of a steel pipe or a mold steel. Apply soundproofing and damping paint. Noise and vibration were reduced by taking preventive measures such as

However, these preventive measures include, for example, a. When the above-mentioned soundproof paint is applied, reduction of noise and vibration is still worse. b. When the above-mentioned bubble sheet is adhered, a rubber sheet is pasted or inserted, or glass wool or rock wool is pasted or inserted, workability is poor. c. When sticking or inserting the rubber sheet, the weight increase is remarkable. d. When sticking or inserting glass wool or rock wool, the construction environment is poor and there is a health problem. e. When the resin foam is filled with the resin foam, toxic gas is generated when the waste is burned as industrial waste. f. Does not fit economically. There were inconveniences such as.

[0008]

SUMMARY OF THE INVENTION An object of the present invention is to provide a metal member used for a pallet or a building member as described above, such as a round tube, a square tube, or a polygonal tube. It is an object of the present invention to suppress noise and vibration generated by contact or collision of a steel pipe or a mold steel without losing the specific effect of the metal member.

[0009]

According to the first aspect of the present invention, there is provided a pallet or a steel pipe such as a round pipe, a square pipe, a polygonal pipe or the like of a pallet or a building member. A soundproofing / damping metal member characterized in that a flocked material is formed by electrostatic flocking on the inner wall surface of the metal member.

According to the second aspect of the present invention, the flock material has a length of 1 to
2. The soundproofing and vibration-damping metal member according to claim 1, wherein the member is made of short fibers of 20 mm.

According to a third aspect of the present invention, the flocked material made of short fibers is a short fiber integrated with a short fiber substrate by polymerizing an inductive polymer as a film on the surface of the short fiber. The soundproofing / damping metal member according to claim 1 or 2.

In the invention of claim 4, the inductive polymer film formed by polymerization and integration on the surface of the short fiber base material has a thickness of 0.00
5 to 0.015 [mu] m.
3. The soundproofing and vibration-damping metal member according to any one of the above items (3).

[0013]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view of a sound-proof and vibration-damping metal member made of a steel pipe or a shape steel of the present invention used as a pallet for loading / transporting or a building member. FIG.
It is a manufacturing process figure of a soundproofing and vibration suppression metal part. FIG. 3 is a diagram schematically showing a flocking method in the flocking step of the process chart shown in FIG. FIG. 4 shows the soundproofing of steel pipes according to the present invention.
It is a perspective view of the pallet for loading and conveyance using the damping metal member. FIG. 5 is a perspective view showing a wall structure of a building using a soundproof and vibration-damping metal member made of steel pipes in the present invention.

The sound-insulating and vibration-damping metal member of the present invention used for the base column of the cargo / transport pallet shown in FIG. 4 or the main column or stud of the wall structure of the building member shown in FIG. 1 is a steel pipe such as a round pipe 11 shown in (a), a square pipe 12 shown in (b) or a metal member such as a C-shaped steel 13 shown in (c). This is a soundproof and vibration-damping metal member formed by forming a short fiber flocked material 41 by electrostatic flocking on the inductive polymer 31 applied to the metal.

The short fibers of the flock material 41 in the above embodiment are polyamide, polyester, acrylic aromatic polyamide or the like having a length of 1 to 20 mm, and the length is appropriately selected and provided. These short fibers are obtained by applying an inductive polymer 31 having a very thin film thickness on the surface and polymerizing as a film-like material to be integrated with the short fiber base material. At this time, the film of the inductive polymer 31 has a thickness of 0.005 to 0.015.
μm. Since the inductive polymer 31 is extremely thin and in a very small amount, the inherent properties of the short fiber flock material 41, for example, flexibility, flexibility, sound absorption or vibration damping property, are maintained while the flock material 41 is electrically conductive. And
The electrostatic flocking method in the present invention is based on a conventional electrostatic flocking method. For example, FIG. 2 shows a process diagram thereof. First, a case where hair is implanted in the square tube 12 shown in FIG. 1B will be described as an example. The adhesive of the inductive polymer 31 is applied to the inner surface of the square tube 12 in the adhesive application (a) step. Next, as shown in FIG. 3A, the opening 14 of the square tube 12 is used as a dropping port of the flocked material 41 made of short fibers, and the flocked material made of the above-described conductive short fibers is formed above the opening 14. 41 in storage box 5
1 and a ring-shaped positive electrode 53 is disposed at the outlet 52 of the storage box 51 above the opening 14 of the square tube 12 so that the inner surface of the opening 14 of the square tube 12 becomes a negative pole downward. 54 is disposed on the square tube 12. A high electric field is formed between the two electrodes of the plus electrode 53 and the minus electrode 54. As a result, when the flocked material 41 made of the above-described conductive fiber is dropped from the outlet 52 of the storage box 51, the dropped flocked material 41 is charged by the plus electrode 53, and the opening of the square tube 12 serving as the input port is opened. As shown in FIG. 3B, the inner wall surface 21 of the square tube 12, which is strongly electrostatically sucked into the tube 14, is coated with an adhesive made of the inductive polymer 31, and is negatively charged, as shown in FIG. Is electrostatically attracted. That is,
Referring to the process chart of FIG. 2, in the electrostatic flocking (b), the bristle material 41 of the short fiber is a negative electrode 54 on the inner wall surface 21 of the square tube 12.
, And is strongly adhered to the inner wall surface 21 of the square tube 12 to which the adhesive of the inductive polymer 31 is applied, and is adhered and planted. Then, the short fiber flock material 41 is fixedly attached to the inner wall surface 21 by curing the adhesive by heating and curing (c). Next, in the removal of the surplus flocked material (d), the flocked material 41 of the short fiber which was not adhered by suction or the like is removed, and the soundproofing /
The square tube 12 shown in FIG. 1B, which is a damping metal member (e), is formed. In the soundproofing / damping metal member made of these square tubes 12, a flocked material 41 planted on the inner wall surface 21 absorbs sound and vibration. Therefore, these square tubes 12, 1
Even if 2 touches or collides, the metallic noise is reduced and no unpleasant metallic noise is emitted.

FIG. 3 shows a pallet 61 for loading and transporting which is assembled by using the square tube 12 obtained in the above-described embodiment as a base column 62. That is, the pallet 61 has three or four pillars 62 arranged at the ends and the center with their sides up and down, and on the upper and lower sides of these pillars 62 at right angles to the pillars 62. A plurality of upper square tubes 63 and a plurality of lower square tubes 64 are arranged and fixed at intervals. This pallet 61 is a base 62 made of a square tube 12.
Also, since the flocked material 41 made of short fibers is implanted on the inner wall surfaces 21 of the upper and lower rectangular tubes 63 and 64, even if the pallets 61 and 61 come into contact with each other or collide with each other, the soundproof and vibration-damping metal member is used. Since sound and vibration are absorbed by the column 62 and the upper and lower square tubes 63 and 64, no metal noise is emitted. In addition,
In the embodiment of the pallet 61 described above, the lower square tube 64 is provided, but it goes without saying that the lower square tube 64 can be omitted. Further, instead of the square tube 12, for example, a C-shaped steel 13 shown in FIG.

FIG. 5 shows an embodiment in which the soundproof and vibration-damping metal member of the present invention obtained in the above embodiment is used for a wall structure 71. The wall structure 71 includes a wall plate 72 made of, for example, a metal panel and a thick pillar 7 supporting the wall plate 72.
3 and 73, and studs 74, 74 for reinforcing the wall plate 72 between the main posts 73. These main pillars 73 and studs 74 are made of the soundproof and vibration-damping metal member of the present invention, and are made of the square pipe 12 shown in FIG. 1B and the C-shaped steel 13 shown in FIG. Since the main pillar 73 and the stud 74 are implanted with the short fiber flocked material 41, even if the members of the main pillar 73 and the stud 74 come into contact with each other or collide during the assembling work of the wall structure 71. Since sound and vibration are absorbed by these main pillars 73 and studs 74, which are the soundproofing / damping metal members, no metallic noise is emitted.

[0018]

As described above, according to the first aspect of the present invention, the soundproofing and vibration-damping metal member is used for a pallet for loading / transporting, or as a main pillar or a stud as a building member. , Beams, field edges, trunk edges, joists, etc.,
Even if vibration or sound is transmitted to one member, the vibration or sound is attenuated while transmitting to another member, and vibration and noise can be reduced.When used for pallets, it will not increase too much in weight. If you use it on a pallet, you can do the same work as before, and if you use a pallet for the outer circumference, the forklift hits, drops, or comes in contact with other things and rubs off, In the pallet of the present invention, the original effect is maintained for a long time because the inner wall surface is planted, and as a member that appears on the front surface such as an entrance pillar as a building member, the member is also planted on the inner surface. It can be used as a decorative pillar as it is without deteriorating its unique beauty. Due to the heat insulation effect, the house noise peculiar to steel-frame architecture due to temperature changes appearing in winter is also reduced. It has the advantage. According to the second aspect of the present invention, in addition to the above curing, the flock material has a length of 1 to 1.
Since it is made of short fibers of 20 mm, a flocked material having a length corresponding to each size can be selected inside a steel pipe or a shape steel, which is a metal member of an appropriate size. In the invention of claim 3, the flocked material made of short fibers is a metal member because it is a short fiber integrated with a short fiber base by polymerizing an inductive polymer on the surface of the short fiber as a film. It can be easily electrostatically adhered to the inside of a steel pipe or a mold steel. Furthermore, in the invention of claim 4, the film-like material of the inductive polymer has a thickness of 0.005 to 0.005.
Since it is extremely thin and extremely small, having a thickness of 0.015 μm, it is electrostatically attached without impairing the intrinsic properties of the short fibers of the flocked material, so that it has an extremely excellent soundproofing / damping effect and further heat insulating effect. The vibration metal member is formed,
The present invention has excellent effects as compared with the conventional members.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a soundproof and vibration-damping metal member made of a steel pipe or a mold steel of the present invention, which is used as a pallet for loading / transporting or a building member.

FIG. 2 is a manufacturing process diagram of a soundproof and vibration-damping metal part.

FIG. 3 is a view schematically showing a flocking method in the flocking step of the process chart shown in FIG. 2;

FIG. 4 is a perspective view of a loading / transporting pallet using a soundproofing / damping metal member made of steel pipes in the present invention.

FIG. 5 is a perspective view showing a wall structure of a building using a soundproof and vibration-damping metal member made of steel pipes in the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Round tube 12 Square tube 13 C-shaped steel 14 Opening 21 Inner wall surface 31 Inductive polymer 41 Flocked material 42 Charged flocked material 51 Storage box 52 Exit 53 Brass electrode 54 Negative electrode 61 Pallet 62 Base column 63 Upper square tube 64 Lower square tube 65 Fork insertion part 71 Wall structure 72 Wall plate 73 Main pillar 74 Stud

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat ゛ (Reference) E04B 1/98 E04B 1/98 KNF term (Reference) 2E001 DF01 DF04 DF06 DF07 DH37 EA06 FA01 FA02 GA55 GA65 GA66 HB02 JD04 KA05 LA04 3E063 AA04 BA01 CA04 CA21 EE01 GG03 4D075 AF01 AF08 CA05 DA10 DA15 DA19 DB01 DC01 DC13 DC16 DC18 EA03 EA35 EB22 EB35 EB39 EB57

Claims (4)

[Claims] In a metal member such as a steel pipe such as a round tube, a square tube, a polygonal tube, or a shape steel of a pallet or a building member, a flocked material is formed on an inner wall surface of the metal member by electrostatic flocking. Characterized soundproof and vibration-damping metal members. 2. The soundproof and vibration-damping metal member according to claim 1, wherein the flocked material is made of short fibers having a length of 1 to 20 mm. 3. The flocked material made of short fibers is a short fiber integrated with a short fiber base by polymerizing an inductive polymer as a film on the surface of the short fibers.
Or the metal member for soundproofing and vibration suppression described in 2. 4. An inductive polymer film polymerized and integrated on the surface of a short fiber base material has a thickness of 0.005 to 0.015 μm.
The soundproofing / damping metal member according to any one of claims 1 to 3, wherein: