JP2011069483A - Fastening implement and tool, and method for fixing fastening implement - Google Patents

Fastening implement and tool, and method for fixing fastening implement Download PDF

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JP2011069483A
JP2011069483A JP2009240832A JP2009240832A JP2011069483A JP 2011069483 A JP2011069483 A JP 2011069483A JP 2009240832 A JP2009240832 A JP 2009240832A JP 2009240832 A JP2009240832 A JP 2009240832A JP 2011069483 A JP2011069483 A JP 2011069483A
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hole
sheet metal
fixing tool
jig
diameter
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JP4600584B1 (en
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Hiroshi Akaha
廣志 赤羽
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a fastening implement and a tool, and a method for fixing the fastening implement that can fix the fastening implement even if the plate thickness of sheet metal is less than 0.8 mm. <P>SOLUTION: The sheet metal 6 is placed on the tool 10, and a body 2 of the fastening implement 1 is inserted in a hole 11 of the tool 10 through a prepared hole 7 of the sheet metal 6. Since the outer diameter of a large diameter part 3 is larger than the prepared hole 7 of the sheet metal 6, the large diameter part 3 is placed on the sheet metal 6, and the large diameter part 3 of the fastening implement 1 is pressed into the prepared hole 7 of the sheet metal 6 with a hammer not shown in the figure. At this time, projections of knurled recesses and projections provided on the outer peripheral surface of the large diameter part 3 of the fastening implement 1 bite into the inner peripheral part of the prepared hole 7 of the sheet metal 6, and the wall of the sheet metal 6 bites into the recesses to form a mutually meshed state. Further, the inner peripheral part of the prepared hole 7 bit off because the projections bite therein is pressed down by a hole 12 provided in the tool 10 in a state of biting into a small diameter part 4 of the fastening implement 1 to fix the fastening implement 1. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

この発明は、例えば携帯電話機等に用いられるステンレス鋼等の板金に圧入して固定する固着具と冶具と固着具の固定方法に関する。  The present invention relates to a fixing tool, a jig, and a fixing method of the fixing tool that are press-fitted and fixed to a sheet metal such as stainless steel used in a cellular phone or the like.

従来、引張荷重とトルク負荷に耐えて薄板（板金）との接合を確実に行って圧入するファスナーとも呼ばれるナット状の金属製固着具が実用化されている。このようなナット状の金属製固着具を取り付けると緩んだり落ちたりする心配がなくなる。
このような固着具が薄板の予め設けられた孔に圧入されて充分な強度で固定されるよう、固着具に設けられる突出部（実際に薄板に圧入される部分）の外側周面にローレット状その他の凹凸を設けて薄板に圧入する方法が提案されている（例えば特許文献１）。Conventionally, a nut-like metal fastener called a fastener that can withstand a tensile load and a torque load and reliably press-fit a thin plate (sheet metal) is put into practical use. When such a nut-like metal fastener is attached, there is no risk of loosening or dropping.
A knurled shape is formed on the outer peripheral surface of the protruding portion (the portion that is actually press-fitted into the thin plate) provided in the fixture so that such a fastener is press-fitted into a hole provided in advance in the thin plate and fixed with sufficient strength. A method has been proposed in which other unevenness is provided and press-fitted into a thin plate (for example, Patent Document 1).

近年、例えば携帯電話機等の筐体においては「軽薄短小」と形容されるように筐体を軽くし、また薄くするような設計需要が増えてきている。このような需要に対応するためには、薄板（板金）そのものを薄くし、さらに固着具の全長を短くしなければならない。  In recent years, for example, in the case of a mobile phone or the like, there has been an increasing demand for design that makes the case lighter and thinner so that it is described as “light thin and short”. In order to meet such a demand, it is necessary to make the sheet (sheet metal) itself thin and further shorten the overall length of the fixing tool.

しかしながら、従来の固着具の突出部を薄板の板金に埋め込むためには板金の厚さがある程度必要であり、従来、板金の最小板厚はほぼ０．８ｍｍが限界の厚さであり、０．８ｍｍ未満の板厚の板金には対応できないという課題があった。  However, in order to embed the protruding portion of the conventional fixing tool in the thin sheet metal, a certain thickness of the sheet metal is necessary. Conventionally, the minimum sheet thickness of the sheet metal is a limit thickness of about 0.8 mm. There was a problem that it could not cope with a sheet metal having a thickness of less than 8 mm.

特開平８−２９１８１５号公報JP-A-8-291815

上記したように、携帯電話機等の筐体において、軽く薄くするような設計需要に対応するためには板金そのものを薄くしなければならないが、板金が０．８ｍｍ未満の板厚には対応できないという課題があった。
この発明の目的は、板金の板厚が０．８ｍｍ未満であっても固着具を固定することのできる固着具と冶具と固着具の固定方法を提供することである。As mentioned above, in order to meet the design demand for light and thin casings of cellular phones and the like, the sheet metal itself must be thinned, but the sheet metal cannot handle a sheet thickness of less than 0.8 mm. There was a problem.
An object of the present invention is to provide a fixing tool, a jig, and a fixing method of the fixing tool, which can fix the fixing tool even if the thickness of the sheet metal is less than 0.8 mm.

そこで、本発明は、薄板の板金に設けられた下孔に圧入して固定される固着具と冶具であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記冶具は、上記板金が置かれる面に上記固着具の本体が挿入される穴が設けられ、この穴の入口部に受け部を有し、上記冶具に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。
また、本発明は、薄板の板金に設けられた下孔に圧入して固定される固着具の固定方法であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記固着具の本体が挿入される穴を有し、この穴の入口部に受け部が設けられている冶具を用いて、この冶具上に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。Accordingly, the present invention is a fixing tool and a jig that are press-fitted and fixed in a prepared hole provided in a thin sheet metal, and the fixing tool is disposed on the base end side on the outer peripheral surface of a cylindrical main body. A large-diameter portion having an outer diameter larger than the lower hole and a predetermined value larger than the lower hole and having the same length as the thickness of the sheet metal and a large number of irregularities on the outer peripheral surface, and the large-diameter portion and the main body A small-diameter portion having an outer diameter smaller than the main body and shorter than the length of the large-diameter portion, and the jig is provided with a hole into which the main body of the fixing tool is inserted on the surface on which the sheet metal is placed, There is a receiving part at the entrance of the hole, the sheet metal is placed on the jig, and the body of the fixing tool is inserted into the hole of the jig through a pilot hole provided in the sheet metal. The large diameter portion is press-fitted into the sheet metal and fixed.
The present invention also relates to a fixing method of a fixing tool that is press-fitted into a prepared hole provided in a thin metal plate, and the fixing tool is disposed on a base end side on an outer peripheral surface of a cylindrical main body. A large-diameter portion having an outer diameter larger than the outer diameter of the main body and a predetermined value larger than the lower hole and having the same length as the thickness of the sheet metal, and a large number of ridges on the outer peripheral surface, and the large-diameter portion and the main body And a small-diameter portion shorter than the large-diameter portion and having a smaller outer diameter than the main body, and a hole into which the main body of the fixing tool is inserted, and a receiving portion is provided at the inlet portion of the hole. A large diameter portion of the fixing tool in a state where the sheet metal is placed on the jig and the main body of the fixing tool is inserted into the hole of the jig through a pilot hole provided in the sheet metal. Is pressed into the sheet metal and fixed.

本発明は、板金の板厚が０．８ｍｍ未満であっても対応することのできる固着具と冶具と固着具の固定方法を提供することが可能となる。  The present invention can provide a fixing tool, a jig, and a fixing method of the fixing tool, which can cope with a sheet metal thickness of less than 0.8 mm.

本発明の実施の形態が適用可能な固着具の一例を示す片側断面図である。It is a half sectional view which shows an example of the fixing tool with which embodiment of this invention is applicable. 固着具を圧入する薄板の板金の一例を示す断面図である。It is sectional drawing which shows an example of the sheet metal of the thin plate which press-fits a fixing tool. 固着具を圧入する際に用いられる冶具の形状を示す断面図である。It is sectional drawing which shows the shape of the jig used when press-fitting a fixing tool. 固着具を板金の下孔に入れた圧入前の状態を示す図である。It is a figure which shows the state before the press injection which put the fixing tool in the lower hole of sheet metal. 固着具を板金に圧入した後の状態を示す図である。It is a figure which shows the state after press-fitting a fixing tool to a sheet metal. 固着具を圧入する際に用いられる冶具の他の形状を示す断面図である。It is sectional drawing which shows the other shape of the jig used when press-fitting a fixing tool.

以下、図面を参照して、この発明の実施の形態について詳細に説明する。
図１は、この発明に係るインサートと呼ばれる固着具１を示す片側断面図である。すなわち、この固着具１は、短い円柱状の本体２の基端側に、その外径より少し大径の大径部３および少し小径の小径部４が一体且つ同一中心軸上に設けられている。また、本体２の基端側から他端側に貫通した雌ねじ５が設けられている。
大径部３は、後述する板金の内で固定される板厚と同程度の高さ（長さあるいは幅）に作られており、大径部３の外側周面にはローレット状の凹凸条が設けられている。なお、大径部の外径および凹凸条の形状は、圧入する板金の材質等に応じて変えられる。
また、小径部４の高さ（長さあるいは幅）は、大径部３の高さより低く（長さが短いあるいは幅が狭い）設計されている。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a half sectional view showing a fixing tool 1 called an insert according to the present invention. That is, the fixing tool 1 is provided with a large diameter portion 3 slightly larger than the outer diameter and a small diameter portion 4 slightly smaller in diameter on the base end side of the short columnar body 2 integrally and on the same central axis. Yes. Further, a female screw 5 penetrating from the base end side of the main body 2 to the other end side is provided.
The large-diameter portion 3 is made to have a height (length or width) similar to a plate thickness fixed in a sheet metal, which will be described later, and a knurled uneven strip is formed on the outer peripheral surface of the large-diameter portion 3. Is provided. The outer diameter of the large-diameter portion and the shape of the uneven stripe can be changed according to the material of the sheet metal to be press-fitted.
Further, the height (length or width) of the small diameter portion 4 is designed to be lower than the height of the large diameter portion 3 (the length is short or the width is narrow).

図２は、固着具１が圧入される薄板の板金６を示す断面図である。図において板金６には、固着具１を圧入する下孔７が予め設けられている。
本実施形態における板金６の材質はステンレス鋼であり、固着具１の材質は同じくステンレス鋼であるが窒化処理して表面が硬化されている。従って、固着具１は板金６より硬いものとなっている。FIG. 2 is a cross-sectional view showing a thin sheet metal 6 into which the fixing tool 1 is press-fitted. In the drawing, a sheet metal 6 is previously provided with a pilot hole 7 into which the fixing tool 1 is press-fitted.
The material of the sheet metal 6 in this embodiment is stainless steel, and the material of the fixing tool 1 is also stainless steel, but the surface is hardened by nitriding treatment. Therefore, the fixture 1 is harder than the sheet metal 6.

また、本実施形態の固着具１は、１／１００ｍｍ単位で切削加工されている。
例えば、固着具１の寸法は、全長（基端面から他端面まで）が１．８０ｍｍ、大径部３の外径が３．００ｍｍで高さが０．３０ｍｍ、小径部４の外径が２．１０ｍｍで高さが０．２０ｍｍ、本体２の外径が２．６０ｍｍで高さが１．３０ｍｍで切削加工されている。板金６の寸法は、板厚が０．３０ｍｍ、下孔７の孔径が２．６５ｍｍである。
なお、固着具１の大径部３の外径は、板金６の下孔７に圧入後の固定強度を最適とするため予め試験を行って所定値を決定している。
また、固着具１は、本実施形態ではステンレス鋼を用いているが、板金（軟鋼、ステンレス鋼、アルミニウム等）の材質に対応して炭素鋼、黄銅、軟鋼、アルミニウム、亜鉛等の金属を用いても良い。Moreover, the fixing tool 1 of the present embodiment is cut in units of 1/100 mm.
For example, the dimensions of the fixing tool 1 are 1.80 mm in total length (from the base end surface to the other end surface), the outer diameter of the large diameter portion 3 is 3.00 mm, the height is 0.30 mm, and the outer diameter of the small diameter portion 4 is 2. .10 mm, the height is 0.20 mm, the outer diameter of the main body 2 is 2.60 mm, and the height is 1.30 mm. As for the dimensions of the sheet metal 6, the sheet thickness is 0.30 mm, and the hole diameter of the lower hole 7 is 2.65 mm.
Note that the outer diameter of the large-diameter portion 3 of the fixing tool 1 is determined in advance by performing a test in order to optimize the fixing strength after press-fitting into the lower hole 7 of the sheet metal 6.
Moreover, although the fixing tool 1 uses stainless steel in this embodiment, it uses metals such as carbon steel, brass, mild steel, aluminum, and zinc in accordance with the material of the sheet metal (soft steel, stainless steel, aluminum, etc.). May be.

図３は、上述した固着具１を板金６の下孔７に圧入する際に用いられる固着具１と板金６を受ける冶具１０を示す断面図である。冶具１０は、外径１０ｍｍ、高さ７ｍｍの円筒形で材質は鉄である。冶具１０には、板金６が置かれる面ａ側に固着具１の本体２が挿入される穴１１が設けられている。
さらに穴１１の入口部には、詳しくは後述するが板金６の下孔７に固着具１を圧入した際に固着具１の大径部３の凹凸条によって下孔７の内周部分が喰いちぎられた部分を押え付ける受け部として切り欠き溝の状態に形成された孔１２が形成されている。
本実施形態の穴１１は、例えば直径２．６５ｍｍで深さ２．００ｍｍの寸法であり、孔１２は、例えば直径３．０５ｍｍで深さ０．２ｍｍの寸法である。FIG. 3 is a cross-sectional view showing the fixture 1 used to press-fit the above-described fixture 1 into the lower hole 7 of the sheet metal 6 and the jig 10 that receives the sheet metal 6. The jig 10 has a cylindrical shape with an outer diameter of 10 mm and a height of 7 mm, and is made of iron. The jig 10 is provided with a hole 11 into which the main body 2 of the fixing tool 1 is inserted on the surface a side on which the sheet metal 6 is placed.
Further, at the inlet portion of the hole 11, as will be described in detail later, when the fixing tool 1 is press-fitted into the lower hole 7 of the sheet metal 6, the inner peripheral portion of the lower hole 7 is bitten by the irregularities of the large-diameter portion 3 of the fixing tool 1. A hole 12 formed in a notch groove is formed as a receiving portion for pressing the torn portion.
The hole 11 of this embodiment has a diameter of 2.65 mm and a depth of 2.00 mm, for example, and the hole 12 has a diameter of 3.05 mm and a depth of 0.2 mm, for example.

次に、このような構成において、冶具１０を用いて板金６に固着具１を圧入する動作について図４、図５を用いて説明する。
図４に示すように、まず、冶具１０の面ａ上に板金６を置き、板金６の下孔７を通して固着具１の本体２が冶具１０の穴１１に挿入されて置かれる。この際、固着具１の大径部３の外径が板金６の下孔７より大きいので、大径部３が板金６上に置かれた形になる。Next, the operation of press-fitting the fixing tool 1 into the sheet metal 6 using the jig 10 in such a configuration will be described with reference to FIGS. 4 and 5.
As shown in FIG. 4, first, the sheet metal 6 is placed on the surface a of the jig 10, and the main body 2 of the fixing tool 1 is inserted into the hole 11 of the jig 10 through the lower hole 7 of the sheet metal 6. At this time, since the outer diameter of the large diameter portion 3 of the fixing tool 1 is larger than the pilot hole 7 of the sheet metal 6, the large diameter portion 3 is placed on the sheet metal 6.

続いて、図４上の上部より図示しないハンマーにより固着具１の大径部３が板金６の下孔７に圧入される。その際、固着具１の大径部３のローレット状の凹凸条の凸部が板金６の下孔７の内周部分に喰込み、凹部に板金６の肉が喰込んで互いに噛合った状態となり、さらに凸部が喰込んで下方に喰いちぎられた下孔７の内周部分が冶具１０に設けられた孔１２により固着具１の小径部４に喰込む状態で押え付けられて固定される。  Subsequently, the large-diameter portion 3 of the fixing tool 1 is press-fitted into the lower hole 7 of the sheet metal 6 from the upper part of FIG. At that time, the convex part of the knurled uneven strip of the large-diameter portion 3 of the fixing tool 1 bites into the inner peripheral part of the lower hole 7 of the sheet metal 6, and the meat of the sheet metal 6 bites into the concave part and meshes with each other Further, the inner peripheral portion of the lower hole 7 that is bitten downward by biting the convex portion is pressed and fixed in a state of being bitten into the small diameter portion 4 of the fixing tool 1 by the hole 12 provided in the jig 10. The

続いて、冶具１０が下方に抜かれることにより圧入動作が終了する。
図５は、圧入動作が終了して板金６に固着具１が固定された状態を示すもので、固着具１の大径部３のローレット状の凹凸条の凹部が板金６の肉に互いに噛合い、大径部３のローレット状の凹凸条の凸部により喰いちぎられた下孔７の内周部分が小径部４に喰込み、さらに冶具１０の孔１２に押え付けられた状態で固定されている。Subsequently, the press-fitting operation is completed when the jig 10 is pulled downward.
FIG. 5 shows a state in which the press-fitting operation is completed and the fixing tool 1 is fixed to the sheet metal 6. The knurled concave and convex recesses of the large diameter portion 3 of the fixing tool 1 mesh with the meat of the sheet metal 6. The inner peripheral portion of the lower hole 7 bitten by the convex portion of the knurled uneven strip of the large-diameter portion 3 is caught in the small-diameter portion 4 and fixed in a state where it is pressed against the hole 12 of the jig 10. ing.

図５に示すように、大径部３のローレット状の凹凸条の凹部に板金６の肉が互いに噛合い、大径部３のローレット状の凹凸条の凸部により喰いちぎられた下孔７の内周部分が小径部４に喰込み、さらに冶具１０の孔１２に押え付けられた状態で固定される。この結果、従来不可能とされていた板金６の板厚が０．８ｍｍ未満の０．３ｍｍであっても固定することが可能となる。なお、本実施形態では板金の板厚を０．３ｍｍとしたが、０．２ｍｍでも可能であり、本願に基づいた固着具、冶具、固定方法を用いることにより、板厚０．２ｍｍ〜０．８ｍｍ未満であっても固着具を固定することが可能となる。  As shown in FIG. 5, the sheet metal 6 is meshed with the concave portion of the knurled uneven strip of the large diameter portion 3, and the prepared hole 7 is bitten by the convex portion of the knurled concave strip of the large diameter portion 3. The inner peripheral portion of the steel plate is caught in the small diameter portion 4 and is fixed in a state where it is pressed against the hole 12 of the jig 10. As a result, it is possible to fix the sheet metal 6, which has conventionally been impossible, even if the sheet thickness is 0.3 mm, which is less than 0.8 mm. In this embodiment, the sheet thickness of the sheet metal is set to 0.3 mm, but 0.2 mm is also possible. By using a fixing tool, a jig, and a fixing method based on the present application, the sheet thickness is 0.2 mm to 0.00 mm. Even if it is less than 8 mm, the fixing tool can be fixed.

以上説明したように上記発明の実施の形態によれば、板金の板厚が０．２ｍｍ〜０．８ｍｍ未満であっても対応することのできる固着具と冶具と固着具の固定方法を提供することができる。
なお、本発明者は、特願２００９−１１４９６２号において冶具の穴の入口部に面取り部を形成した出願をしているが、板金の材質と下孔の直径、固着具の材質と外径等により、面取り形状だけが効果を得るものでないことを発見した。本実施形態では多くの試作品の中から面取りよりも固着強度と仕上がり状態の良かったものを開示している。
従って、穴１１の入口部に設けられる受け部、つまり、板金６の下孔７に固着具１を圧入した際に固着具１の大径部３の凹凸条により下孔７の内周部分が食いちぎられた部分を押え付ける受け部は、本実施形態のように形成された孔、先願のような面取り、図６に示すような断面が湾曲した形状等に形成されたものであっても良く、要は板金の下孔の内周部分が喰いちぎられた際の受け部として固着具が当該板金に必要な強度を持って固定できれば良い。As described above, according to the embodiment of the present invention, there is provided a fixing tool, a jig, and a fixing method of the fixing tool, which can cope with a sheet metal thickness of 0.2 mm to less than 0.8 mm. be able to.
The inventor has filed an application in Japanese Patent Application No. 2009-114962 in which a chamfered portion is formed at the entrance of the hole of the jig, but the material of the sheet metal and the diameter of the prepared hole, the material and the outer diameter of the fixing tool, etc. Thus, it was discovered that only the chamfered shape is not effective. In the present embodiment, among many prototypes, those having better fixing strength and finished state than chamfering are disclosed.
Therefore, when the fixing tool 1 is press-fitted into the receiving portion provided at the inlet portion of the hole 11, that is, the lower hole 7 of the sheet metal 6, the inner peripheral portion of the lower hole 7 is formed by the concave and convex portions of the large-diameter portion 3 of the fixing tool 1. The receiving part that presses the part that has been bitten is a hole formed as in this embodiment, a chamfer like the prior application, a shape with a curved cross section as shown in FIG. In short, it is only necessary that the fixing tool can be fixed to the sheet metal with a necessary strength as a receiving part when the inner peripheral portion of the lower hole of the sheet metal is bitten.

なお、本願発明は、上記実施形態に限定されるものではなく、実施段階ではその要旨を逸脱しない範囲で種々に変形することが可能である。また、実施形態は可能な限り適宜組み合わせて実施してもよく、その場合組み合わせた効果が得られる。さらに、上記実施形態には種々の段階の発明が含まれており、開示される複数の構成要件における適宜な組み合わせにより種々の発明が抽出され得る。例えば、実施形態に示される全構成要件から幾つかの構成要件が削除されても、発明が解決しようとする課題の欄で述べた課題が解決でき、発明の効果の欄で述べられている効果が得られる場合には、この構成要件が削除された構成が発明として抽出され得る。  In addition, this invention is not limited to the said embodiment, In the implementation stage, it can change variously in the range which does not deviate from the summary. In addition, the embodiments may be combined as appropriate as possible, and in that case, the combined effect can be obtained. Furthermore, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements. For example, even if some constituent requirements are deleted from all the constituent requirements shown in the embodiment, the problem described in the column of the problem to be solved by the invention can be solved, and the effect described in the column of the effect of the invention Can be obtained as an invention.

１ 固着具
２ 本体
３ 大径部
４ 小径部
５ 雌ねじ
６ 板金
７ 下孔
１０ 冶具
１１ 穴
１２ 孔DESCRIPTION OF SYMBOLS 1 Fixing tool 2 Main body 3 Large diameter part 4 Small diameter part 5 Female screw 6 Sheet metal 7 Pilot hole 10 Jig 11 Hole 12 Hole

そこで、本発明は、薄板の板金に設けられた当該板金の表裏に突起がない下孔に圧入して固定される固着具と冶具であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記冶具は、上記板金が置かれる面に上記固着具の本体が挿入される穴が設けられ、この穴の入口部に受け部を有し、上記冶具に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。
また、本発明は、薄板の板金に設けられた当該板金の表裏に突起がない下孔に圧入して固定される固着具の固定方法であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記固着具の本体が挿入される穴を有し、この穴の入口部に受け部が設けられている冶具を用いて、この冶具上に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。Accordingly, the present invention provides a fixing tool and a jig that are press-fitted and fixed in a pilot hole provided on a thin metal plate and having no protrusions on the front and back of the metal plate, and the fixing tool is an outer periphery of a cylindrical main body. A large-diameter portion having a large number of ridges on the outer peripheral surface at the base end side on the surface and having the same outer diameter as the plate thickness of the sheet metal with an outer diameter larger than the lower hole by a predetermined value, Between the large diameter portion and the main body, there is a small diameter portion having an outer diameter smaller than the main body and shorter than the length of the large diameter portion, and the jig has a main body of the fixing tool on a surface on which the sheet metal is placed. A hole to be inserted is provided, a receiving portion is provided at an entrance portion of the hole, the sheet metal is placed on the jig, and the main body of the fixing tool is inserted into the hole of the jig through a pilot hole provided in the sheet metal. In this state, the large diameter portion of the fixing tool is pressed into the sheet metal and fixed.
The present invention also relates to a fixing method of a fixing tool that is press-fitted into a lower hole that is provided on a thin metal plate and has no protrusions on the front and back of the metal plate, and the fixing tool is arranged outside the cylindrical main body. A large-diameter portion having a large number of ridges on the outer peripheral surface on the outer peripheral surface at the base end side on the peripheral surface and having an outer diameter larger than the lower hole by a predetermined value and a predetermined value larger than the lower hole. The small diameter portion between the large diameter portion and the main body is smaller than the main body and shorter than the length of the large diameter portion, and has a hole into which the main body of the fixing tool is inserted. A state in which the sheet metal is placed on the jig using a jig provided with a receiving part at the entrance of the metal plate, and the main body of the fixing tool is inserted into the hole of the jig through a pilot hole provided in the sheet metal. The large-diameter portion of the fixing tool is pressed into the sheet metal and fixed.

図２は、固着具１が圧入される薄板の板金６を示す断面図である。図において板金６には、固着具１を圧入する下孔７（図２に示すように、当該板金の表裏に突起がない下孔）が予め設けられている。
本実施形態における板金６の材質はステンレス鋼であり、固着具１の材質は同じくステンレス鋼であるが窒化処理して表面が硬化されている。従って、固着具１は板金６より硬いものとなっている。FIG. 2 is a cross-sectional view showing a thin sheet metal 6 into which the fixing tool 1 is press-fitted. In the drawing, a sheet metal 6 is previously provided with a pilot hole 7 for press-fitting the fixture 1 (as shown in FIG. 2, a pilot hole having no protrusions on the front and back of the metal sheet) .
The material of the sheet metal 6 in this embodiment is stainless steel, and the material of the fixing tool 1 is also stainless steel, but the surface is hardened by nitriding treatment. Therefore, the fixture 1 is harder than the sheet metal 6.

図３は、上述した固着具１を板金６の下孔７に圧入する際に用いられる固着具１と板金６を受ける冶具１０を示す断面図である。冶具１０は、外径１０ｍｍ、高さ７ｍｍの円筒形で材質は鉄である。冶具１０には、板金６が置かれる面ａ側に固着具１の本体２が挿入される穴１１が設けられている。
さらに穴１１の入口部には、詳しくは後述するが板金６の下孔７に固着具１を圧入した際、固着具１の大径部３の凹凸条の凸部が下孔７の内周部分に喰込んだときの当該内周部分を押え付ける受け部として段付穴１２が形成されている。
本実施形態の穴１１は、例えば直径２．６５ｍｍで深さ２．００ｍｍの寸法であり、段付穴１２は、例えば直径３．０５ｍｍで深さ０．２ｍｍの寸法である。FIG. 3 is a cross-sectional view showing the fixture 1 used to press-fit the above-described fixture 1 into the lower hole 7 of the sheet metal 6 and the jig 10 that receives the sheet metal 6. The jig 10 is a cylindrical shape having an outer diameter of 10 mm and a height of 7 mm, and is made of iron. The jig 10 is provided with a hole 11 into which the main body 2 of the fixing tool 1 is inserted on the surface a side on which the sheet metal 6 is placed.
More entrance portion of the hole 11, specifically when it later that was injected fastener 1 in lower hole 7 of the metal plate 6, the inner periphery of the concave-convex of the protrusion the lower hole 7 of the large-diameter portion 3 of the fastener 1 A stepped hole 12 is formed as a receiving part for pressing the inner peripheral part when the part is bitten.
The hole 11 of this embodiment has a diameter of 2.65 mm and a depth of 2.00 mm, for example, and the stepped hole 12 has a diameter of 3.05 mm and a depth of 0.2 mm, for example.

続いて、図４上の上部より図示しないハンマーにより固着具１の大径部３が板金６の下孔７に圧入される。その際、固着具１の大径部３のローレット状の凹凸条の凸部が板金６の下孔７の内周部分に喰込み、凹部に板金６の肉が喰込んで互いに噛合った状態となり、さらに下孔７の内周部分が冶具１０に設けられた段付穴１２により固着具１の小径部４に押え付けられて固定される。Subsequently, the large-diameter portion 3 of the fixing tool 1 is press-fitted into the lower hole 7 of the sheet metal 6 from the upper part of FIG. At that time, the convex part of the knurled uneven strip of the large-diameter portion 3 of the fixing tool 1 bites into the inner peripheral part of the lower hole 7 of the sheet metal 6, and the meat of the sheet metal 6 bites into the concave part and meshes with each other. next, the inner peripheral portion of the lower hole 7 is fixed by press attached example the small diameter portion 4 of the fastener 1 by stepped hole 12 provided in the jig 10 to further.

続いて、冶具１０が下方に抜かれることにより圧入動作が終了する。
図５は、圧入動作が終了して板金６に固着具１が固定された状態を示すもので、固着具１の大径部３のローレット状の凹凸条の凹部が板金６の肉に互いに噛合い、大径部３のローレット状の凹凸条の凸部により下孔７の内周部分が小径部４に喰込み、さらに冶具１０の段付穴１２に押え付けられた状態で固定されている。Subsequently, the press-fitting operation is completed when the jig 10 is pulled downward.
FIG. 5 shows a state in which the press-fitting operation is completed and the fixing tool 1 is fixed to the sheet metal 6. The knurled concave and convex recesses of the large diameter portion 3 of the fixing tool 1 mesh with the meat of the sheet metal 6. There are fixed in a state where the inner peripheral portion of the lower hole 7 Ri by the convex portion of the knurled concave-convex of the large-diameter portion 3 is pressed against the small-diameter portion 4喰Komi, further stepped hole 12 of the jig 10 ing.

図５に示すように、大径部３のローレット状の凹凸条の凹部に板金６の肉が互いに噛合い、大径部３のローレット状の凹凸条の凸部により下孔７の内周部分が小径部４に喰込み、さらに冶具１０の段付穴１２に押え付けられた状態で固定される。この結果、従来不可能とされていた板金６の板厚が０．８ｍｍ未満の０．３ｍｍであっても固定することが可能となる。なお、本実施形態では板金の板厚を０．３ｍｍとしたが、０．２ｍｍでも可能であり、本願に基づいた固着具、冶具、固定方法を用いることにより、板厚０．２ｍｍ〜０．８ｍｍ未満であっても固着具を固定することが可能となる。As shown in FIG. 5, recessed portion in meat mesh with each other of the sheet metal 6 of knurled concave-convex of the large-diameter portion 3, of the lower hole 7 Ri by the convex portion of the knurled concave-convex of the large-diameter portion 3 The peripheral portion is caught in the small diameter portion 4 and is fixed in a state of being pressed into the stepped hole 12 of the jig 10. As a result, it is possible to fix the sheet metal 6 which has been impossible in the past even if the sheet thickness is 0.3 mm which is less than 0.8 mm. In this embodiment, the sheet thickness of the sheet metal is set to 0.3 mm, but 0.2 mm is also possible. By using a fixing tool, a jig, and a fixing method based on the present application, the sheet thickness is 0.2 mm to 0.00 mm. Even if it is less than 8 mm, the fixing tool can be fixed.

以上説明したように上記発明の実施の形態によれば、板金の板厚が０．２ｍｍ〜０．８ｍｍ未満であっても対応することのできる固着具と冶具と固着具の固定方法を提供することができる。
なお、本発明者は、特願２００９−１１４９６２号において冶具の穴の入口部に面取り部を形成した出願をしているが、板金の材質と下孔の直径、固着具の材質と外径等により、面取り形状だけが効果を得るものでないことを発見した。本実施形態では多くの試作品の中から面取りよりも固着強度と仕上がり状態の良かったものを開示している。
従って、穴１１の入口部に設けられる受け部、つまり、板金６の下孔７に固着具１を圧入した際に固着具１の大径部３の凹凸条の凸部が下孔７の内周部分に喰込んだときの当該内周部分を押え付ける受け部は、本実施形態のように形成された段付穴、先願のような面取り、図６に示すような断面が湾曲した形状（冶具の穴の軸線より当該穴の外方に斜めの向きに凸である円弧形状）等に形成されたものであっても良く、要は板金の下孔の内周部分の受け部として固着具が当該板金に必要な強度を持って固定できれば良い。As described above, according to the embodiment of the present invention, there is provided a fixing tool, a jig, and a fixing method of the fixing tool, which can cope with a sheet metal thickness of 0.2 mm to less than 0.8 mm. be able to.
The inventor has filed an application in Japanese Patent Application No. 2009-114962 in which a chamfered portion is formed at the entrance of the hole of the jig, but the material of the sheet metal and the diameter of the prepared hole, the material and the outer diameter of the fixing tool, etc. Thus, it was discovered that only the chamfered shape is not effective. In the present embodiment, among many prototypes, those having better fixing strength and finished state than chamfering are disclosed.
Therefore, when the fixing tool 1 is press-fitted into the receiving portion provided at the inlet portion of the hole 11, that is, the lower hole 7 of the sheet metal 6, the convex portion of the uneven strip of the large-diameter portion 3 of the fixing tool 1 is in the lower hole 7. The receiving part that presses down the inner peripheral part when it bites into the peripheral part is a stepped hole formed as in this embodiment, a chamfer like the prior application, a shape with a curved cross section as shown in FIG. may be one formed in such (arc is convex outwardly oblique orientation of the holes from the axis of the hole in the jig), short as receiving portion of the inner peripheral portion content of the prepared hole of the metal plate It is only necessary that the fixing tool can be fixed to the sheet metal with a necessary strength.

１ 固着具
２ 本体
３ 大径部
４ 小径部
５ 雌ねじ
６ 板金
７ 下孔
１０ 冶具
１１ 穴
１２ 段付穴 DESCRIPTION OF SYMBOLS 1 Fixing tool 2 Main body 3 Large diameter part 4 Small diameter part 5 Female screw 6 Sheet metal 7 Prepared hole 10 Jig 11 Hole 12 Stepped hole

そこで、本発明は、薄板の板金に設けられた当該板金の表裏に突起がない下孔に圧入して固定される固着具と冶具であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記冶具は、上記板金が置かれる面に上記固着具の本体が挿入される穴が設けられ、この穴の入口が上記冶具の板金が置かれる面から所定の深さで上記冶具の穴の直径より大きい段付穴で形成され、上記冶具に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。
また、本発明は、薄板の板金に設けられた当該板金の表裏に突起がない下孔に圧入して固定される固着具と冶具であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記冶具は、上記板金が置かれる面に上記固着具の本体が挿入される穴が設けられ、この穴の入口が上記冶具の穴の軸線より当該穴の外方に斜めの向きに凸である円弧形状に形成され、上記冶具に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。
また、本発明は、薄板の板金に設けられた当該板金の表裏に突起がない下孔に圧入して固定される固着具の固定方法であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記固着具の本体が挿入される穴を有し、この穴の入口が上記冶具の板金が置かれる面から所定の深さで上記冶具の穴の直径より大きい段付穴で形成されている冶具を用いて、この冶具上に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。
また、本発明は、薄板の板金に設けられた当該板金の表裏に突起がない下孔に圧入して固定される固着具の固定方法であって、上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、上記固着具の本体が挿入される穴を有し、この穴の入口が上記冶具の穴の軸線より当該穴の外方に斜めの向きに凸である円弧形状に形成されている冶具を用いて、この冶具上に上記板金が置かれ、上記固着具の本体が上記 板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されるようにしたものである。 Accordingly, the present invention provides a fixing tool and a jig that are press-fitted and fixed in a pilot hole provided on a thin metal plate and having no protrusions on the front and back of the metal plate, and the fixing tool is an outer periphery of a cylindrical main body. A large-diameter portion having a large number of ridges on the outer peripheral surface with an outer diameter larger than the outer diameter of the main body and a predetermined value larger than the lower hole at the base end side on the surface and the same length as the plate thickness of the sheet metal, Between the large diameter portion and the main body, there is a small diameter portion having an outer diameter smaller than the main body and shorter than the length of the large diameter portion, and the jig has a main body of the fixing tool on a surface on which the sheet metal is placed. A hole to be inserted is provided, and an entrance of the hole is formed as a stepped hole having a predetermined depth from a surface on which the sheet metal of the jig is placed and is larger than the diameter of the hole of the jig, and the sheet metal is placed on the jig. The fixing tool main body is inserted into the hole of the jig through a pilot hole provided in the sheet metal. The large diameter portion of the sushi is that so as to be fixed by being press-fitted into the sheet metal.
The present invention also relates to a fixing tool and a jig that are press-fitted and fixed in a lower hole that is provided on a thin sheet metal and has no projections on the front and back surfaces of the sheet metal, and the fixing tool includes an outer periphery of a cylindrical main body. A large-diameter portion having a large number of ridges on the outer peripheral surface with an outer diameter larger than the outer diameter of the main body and a predetermined value larger than the lower hole at the base end side on the surface and the same length as the plate thickness of the sheet metal, Between the large diameter portion and the main body, there is a small diameter portion having an outer diameter smaller than the main body and shorter than the length of the large diameter portion, and the jig has a main body of the fixing tool on a surface on which the sheet metal is placed. A hole to be inserted is provided, and an entrance of the hole is formed in an arc shape that protrudes obliquely outwardly from the hole axis of the jig, the sheet metal is placed on the jig, and the fixing The large-diameter portion of the fixing tool is inserted into the hole of the jig through the pilot hole provided in the sheet metal. Is pressed into the serial sheet metal is obtained so as to be fixed.
The present invention also relates to a fixing method of a fixing tool that is press-fitted into a lower hole that is provided on a thin metal plate and has no protrusions on the front and back of the metal plate, and the fixing tool is arranged outside the cylindrical main body. A large-diameter portion having a large number of ridges on the outer peripheral surface at the base end side on the peripheral surface and having an outer diameter that is larger than the outer diameter of the main body and larger than the lower hole by a predetermined value and having the same length as the plate thickness of the sheet metal; A hole having a smaller outer diameter than the main body and a shorter diameter than the large diameter portion between the large diameter portion and the main body, and a hole into which the main body of the fixing tool is inserted. The jig is formed with a stepped hole larger than the diameter of the hole of the jig at a predetermined depth from the surface on which the sheet metal of the jig is placed. The large-diameter portion of the fixing tool is in a state where the tool body is inserted into the hole of the jig through the pilot hole provided in the sheet metal. It is obtained so as to be fixed is pressed into the sheet metal.
The present invention also relates to a fixing method of a fixing tool that is press-fitted into a lower hole that is provided on a thin metal plate and has no protrusions on the front and back of the metal plate, and the fixing tool is arranged outside the cylindrical main body. A large-diameter portion having a large number of ridges on the outer peripheral surface at the base end side on the peripheral surface and having an outer diameter that is larger than the outer diameter of the main body and larger than the lower hole by a predetermined value and having the same length as the plate thickness of the sheet metal; A hole having a smaller outer diameter than the main body and a shorter diameter than the large diameter portion between the large diameter portion and the main body, and a hole into which the main body of the fixing tool is inserted. The metal plate is placed on the jig using the jig formed in an arc shape in which the entrance of the hole is obliquely projected outward from the axis of the hole of the jig, and the body of the fixing tool. pressed into the large-diameter portion is the sheet metal of the fastener in a state but which is inserted in the hole of the jig through the bottom hole provided in the sheet metal It is it is obtained so as to be fixed.

Claims (6)

薄板の板金に設けられた下孔に圧入して固定される固着具と冶具であって、
上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、
上記冶具は、上記板金が置かれる面に上記固着具の本体が挿入される穴が設けられ、この穴の入口部に受け部を有し、
上記冶具に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されることを特徴とする固着具と冶具。A fixing tool and a jig that are press-fitted and fixed in a pilot hole provided in a thin metal plate,
The fixing tool has an outer peripheral surface having an outer diameter that is larger than the outer diameter of the main body and larger than the lower hole by a predetermined value on the base end side on the outer peripheral surface of the cylindrical main body and has the same length as the thickness of the sheet metal. A large-diameter portion having a large number of irregular stripes, and a small-diameter portion shorter than the length of the large-diameter portion with an outer diameter smaller than the main body between the large-diameter portion and the main body,
The jig is provided with a hole into which the main body of the fixing tool is inserted in a surface on which the sheet metal is placed, and has a receiving portion at an entrance portion of the hole,
The sheet metal is placed on the jig, and the large-diameter portion of the fastener is press-fitted and fixed to the sheet metal in a state where the main body of the fastener is inserted into the hole of the jig through a lower hole provided in the sheet metal. Fasteners and jigs characterized by that. 上記受け部は、上記冶具の板金が置かれる面から所定の深さで上記冶具の穴の直径より大きい直径の孔で形成されていることを特徴とする請求項１に記載の固着具と冶具。  2. The fixing tool and jig according to claim 1, wherein the receiving part is formed with a hole having a diameter larger than a diameter of the hole of the jig at a predetermined depth from a surface on which the sheet metal of the jig is placed. . 上記受け部は、上記冶具の穴の直径より大きい直径の孔であって、上記冶具の板金が置かれる面から所定の深さまで前記孔の直径が深さに応じて小さく形成されていることを特徴とする請求項１に記載の固着具と冶具。  The receiving part is a hole having a diameter larger than the diameter of the hole of the jig, and the diameter of the hole is formed to be small according to the depth from the surface on which the sheet metal of the jig is placed to a predetermined depth. The fixing tool and jig according to claim 1, wherein the fixing tool is a jig. 薄板の板金に設けられた下孔に圧入して固定される固着具の固定方法であって、
上記固着具は、円柱状の本体の外側周面上の基端側に前記本体の外径より大きく上記下孔よりも所定値大きい外径で上記板金の板厚と同じ長さで外側周面に多数の凹凸条を有する大径部と、この大径部と前記本体との間に前記本体より小さい外径で前記大径部の長さより短い小径部とを有し、
上記固着具の本体が挿入される穴を有し、この穴の入口部に受け部が設けられている冶具を用いて、この冶具上に上記板金が置かれ、上記固着具の本体が上記板金に設けられた下孔を通して上記冶具の穴に挿入された状態で上記固着具の大径部が上記板金に圧入されて固定されることを特徴とする固着具の固定方法。It is a fixing method of a fixing tool that is press-fitted into a prepared hole provided in a thin metal plate,
The fixing tool has an outer peripheral surface having an outer diameter that is larger than the outer diameter of the main body and larger than the lower hole by a predetermined value on the base end side on the outer peripheral surface of the cylindrical main body and has the same length as the thickness of the sheet metal. A large-diameter portion having a large number of irregular stripes, and a small-diameter portion shorter than the length of the large-diameter portion with an outer diameter smaller than the main body between the large-diameter portion and the main body,
The sheet metal is placed on the jig using a jig having a hole into which the main body of the fixing tool is inserted, and a receiving portion is provided at the entrance of the hole, and the main body of the fixing tool is the sheet metal. A fixing method for a fixing tool, wherein a large diameter portion of the fixing tool is press-fitted and fixed to the sheet metal in a state where the fixing tool is inserted into a hole of the jig through a prepared hole. 上記受け部は、上記冶具の板金が置かれる面から所定の深さで上記冶具の穴の直径より大きい直径の孔で形成されていることを特徴とする請求項４に記載の固着具の固定方法。  5. The fixing of the fixing tool according to claim 4, wherein the receiving part is formed with a hole having a diameter larger than a diameter of the hole of the jig at a predetermined depth from a surface on which the sheet metal of the jig is placed. Method. 上記受け部は、上記冶具の穴の直径より大きい直径の孔であって、上記冶具の板金が置かれる面から所定の深さまで前記孔の直径が深さに応じて小さく形成されていることを特徴とする請求項４に記載の固着具の固定方法。  The receiving part is a hole having a diameter larger than the diameter of the hole of the jig, and the diameter of the hole is formed to be small according to the depth from the surface on which the sheet metal of the jig is placed to a predetermined depth. The fixing method of the fixing tool according to claim 4, wherein the fixing tool is fixed.
JP2009240832A 2009-09-28 2009-09-28 Fixing tool, jig and fixing method Expired - Fee Related JP4600584B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002079338A (en) * 2000-09-08 2002-03-19 Booseikyaputeibu Kk Manufacturing method of spacer and spacer
JP2006308023A (en) * 2005-04-28 2006-11-09 Nitto Seiko Co Ltd Boss member and manufacturing method thereof
JP2009097682A (en) * 2007-10-19 2009-05-07 Tomoki Okada Method for fixing insert to plate material and insert
JP4453095B1 (en) * 2009-04-15 2010-04-21 廣志 赤羽 Fixing tool, jig and fixing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002079338A (en) * 2000-09-08 2002-03-19 Booseikyaputeibu Kk Manufacturing method of spacer and spacer
JP2006308023A (en) * 2005-04-28 2006-11-09 Nitto Seiko Co Ltd Boss member and manufacturing method thereof
JP2009097682A (en) * 2007-10-19 2009-05-07 Tomoki Okada Method for fixing insert to plate material and insert
JP4453095B1 (en) * 2009-04-15 2010-04-21 廣志 赤羽 Fixing tool, jig and fixing method

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