JPS62203697A - Welding connection part structure for tubular frame - Google Patents
Welding connection part structure for tubular frameInfo
- Publication number
- JPS62203697A JPS62203697A JP4699486A JP4699486A JPS62203697A JP S62203697 A JPS62203697 A JP S62203697A JP 4699486 A JP4699486 A JP 4699486A JP 4699486 A JP4699486 A JP 4699486A JP S62203697 A JPS62203697 A JP S62203697A
- Authority
- JP
- Japan
- Prior art keywords
- connection part
- tubular frame
- welded
- pipe
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title abstract description 12
- 239000000463 material Substances 0.000 claims description 27
- 238000007373 indentation Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/04—Frames characterised by the engine being between front and rear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
- B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
- B62K19/06—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity tubular
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は管状フレームの溶着連結部構造に係り、特に自
動２輪車の車体フレーム構造の一部を構成する管状フレ
ーム材の他部材と溶着により連結させる溶着連結部の構
造に係る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a welded joint structure of a tubular frame, and in particular, to a welded joint structure of a tubular frame with other members constituting a part of the body frame structure of a motorcycle. This relates to the structure of the welded connection part that is connected by.
従来自動２輪車の車体フレーム構造の一部を構成する管
状フレーム材の特に溶着連結部に関する技術として、例
えば実公昭４９−４４２８号、実開昭５３−１２８６５
３号、実公昭５６−４８６３１号などで開示されたもの
が知られている。Conventional techniques related to welded joints of tubular frame materials constituting a part of the body frame structure of motorcycles include, for example, Japanese Utility Model Publication No. 49-4428 and Japanese Utility Model Application Publication No. 53-12865.
3, Utility Model Publication No. 56-48631, etc. are known.
実公昭４９−４４２８号におけるフレームの溶接連結部
は第９図に示すようにサドルパイプ２１のメーンパイプ
２２との溶接連結部２１Ａは丸管を偏平に潰した状態で
、また支承パイプ２３におけるメーンパイプ２２との溶
接連結部２３Ａも丸管を偏平に潰した状態である。As shown in Fig. 9, the welded connection part of the frame in Utility Model Publication No. 49-4428 is a welded connection part 21A between the saddle pipe 21 and the main pipe 22, which is a flattened round pipe, and the main pipe 23 in the support pipe 23. The welded connection portion 23A with the pipe 22 is also a flattened round tube.
実開昭和５３−１２８６５３号におけるフレームの溶接
連結部は第１０図に示すように、メーンパイプに溶接し
てシートを載せるサブチューブ２４を偏平に潰してプレ
ート部２４Ａを形成し、そのプレート部２４Ａρ幅中央
部にリブ２４Ｂを形成したものである。実公昭５６−４
８６３１号におけるフレームの溶接連結部は第１）図に
示すように、メーンパイブ２５に溶接するリヤアッパパ
イプ２６の溶接連結部２６Ａ、センターパイプ２７の溶
接連結部２７Ａ、およびダウンチューブ２９に）８接す
るリヤロアーパイプ２８の溶接連結部２８Ａとも、パイ
プを偏平に潰して形成したもので、何れもパイプ径より
幅広い。As shown in FIG. 10, the welded connection part of the frame in Utility Model Application Publication No. 53-128653 is made by flattening the subtube 24 on which the seat is placed by welding it to the main pipe to form a plate part 24A, and the plate part 24Aρ A rib 24B is formed at the center of the width. Jitsukō 56-4
The welded joints of the frame in No. 8631 are 1) Welded joints 26A of the rear upper pipe 26 welded to the main pipe 25, welded joints 27A of the center pipe 27, and the rear welded joints 27A of the down tube 29, as shown in the figure. The welded connecting portion 28A of the lower pipe 28 is also formed by flattening the pipe, and both are wider than the pipe diameter.
前記従来の車体フレーム構造の一部を構成する管状フレ
ーム材における溶接連結部は管を偏平に潰すものである
から、その肉厚は管材肉厚の２枚分の厚さであり、その
厚さ方向における剛性はパイプに比して弱いものとなる
。Since the welded connection part of the tubular frame material that constitutes a part of the conventional car body frame structure is made by flattening the tube, its wall thickness is the thickness of two pipes; The rigidity in this direction is weaker than that of a pipe.
また偏平にするために管径よりも著しく幅広いものとな
り、この幅広い部分を他のフレーム部材、例えば第９図
においてメーンパイプ２２の周面に当てて溶接するには
、その周面に沿うよう溶接連結部の接触面を湾曲加工す
る必要があり、かつ溶接面積が大となる。Also, in order to make it flat, it becomes significantly wider than the pipe diameter, and in order to weld this wide part against the circumferential surface of another frame member, for example, the main pipe 22 in FIG. It is necessary to curve the contact surface of the connecting part, and the welding area becomes large.
ところで、車体フレーム構造を角形管状フレーム材で構
成するものにあっては、管径よりも溶接連結部の幅が著
しく幅広になる難点がある。すなわち、角パイプが正四
角形の場合をみると、偏平とした溶接連結部の幅は角パ
イプの一辺の幅の約２倍の幅となるため、溶接加工性、
美観ともに好ましくない。However, in the case where the vehicle body frame structure is constructed from a rectangular tubular frame material, there is a drawback that the width of the welded connection portion is significantly wider than the tube diameter. In other words, when the square pipe is a regular square, the width of the flattened welded joint is approximately twice the width of one side of the square pipe, which improves welding workability.
I don't like the aesthetics either.
また偏平な溶接連結部と角パイプの厚さの差が大きいた
め取付上で溶接連結部の長さを長くしなければならない
という問題点が生じる。Furthermore, since there is a large difference in thickness between the flat welded joint and the square pipe, there is a problem in that the length of the welded joint must be increased during installation.
本発明は前記問題点を解消し、従来と同じパイプ材を使
いながら、溶接連結部の厚さは従来品のおよそ２倍の厚
さで、その幅はバイラ°径と変わらない溶接連結部構造
を提供することを目的として開発したもので、具体的な
手段として、車体フレーム構造の一部を構成する管状フ
レーム材の一端部に他部材と溶接して連結させる溶接連
結部をプレス形成し、該溶接連結部は相対向する両壁面
を幅方向で２つ折り状に管孔内へ中折陥入させ、該両中
折陥入部を挾む両壁を相対面する方向へ漬圧したことを
特徴とする管状フレームの溶接連結部構造を構成し、好
ましくは、前記両中折陥入部の対向間に管状フレーム材
の管孔と連通ずる液抜間隙を形成して成るものである。The present invention solves the above problems and uses the same pipe material as the conventional pipe material, but the welded connection part has a thickness that is approximately twice that of the conventional product, and the width of the welded connection part is the same as the diameter of the bailer. It has been developed with the aim of providing the following, and as a specific means, a welded connection part is press-formed at one end of a tubular frame material that constitutes a part of the vehicle body frame structure to be welded and connected to other parts, The welded joint is made by folding both opposing wall surfaces in half in the width direction into the pipe hole, and applying pressure on both walls sandwiching the two half-folded indentations in the direction facing each other. The welded joint structure of the tubular frame is preferably formed by forming a drainage gap that communicates with the pipe hole of the tubular frame material between the opposing center-folded recessed portions.
前記したように、本発明における溶接連結部は管状フレ
ーム材の一端部をプレースして形成するものであるが、
例えば角形管状フレーム材の平置した状態における上下
で対向する両壁を、その幅方向で２つ折り状に管孔内へ
向けて中折れ陥入させると共に、この上下両中折陥人部
を挾む両側壁を相対面する方向へ潰圧したものであるか
ら、溶接連結部の幅は角形管の前記両側壁の高さと同じ
であり、厚さは両側壁の厚さと、この両側壁間に挟まれ
ている中折陥入部の厚さをプラスしたものとなり、これ
は管を単に偏平に潰したものの約２倍の厚さとなる。従
って溶接連結部の偏平面方向への曲げ強度は従来例のも
のに比して２倍に近い強度を有する。 ・
前記液抜間隙は、管状フレーム材の管孔内の表面処理を
するときの液抜をするために利用される。As mentioned above, the welded joint in the present invention is formed by placing one end of the tubular frame material,
For example, when a rectangular tubular frame material is placed horizontally, both upper and lower opposing walls are folded in half in the width direction toward the inside of the pipe hole, and the upper and lower half-folded portions are sandwiched. The width of the welded joint is the same as the height of the two side walls of the rectangular tube, and the thickness is the same as the thickness of the two side walls and the space between the two side walls. This is the addition of the thickness of the sandwiched indentation, which is approximately twice the thickness of the tube simply flattened. Therefore, the bending strength of the welded joint in the flat plane direction is nearly twice that of the conventional example. - The liquid drainage gap is used for draining liquid when performing surface treatment inside the pipe hole of the tubular frame material.
本発明の一実施例を図面に恭ついて説明する。 An embodiment of the present invention will be described with reference to the drawings.
第１図は自動２輪車の車体フレーム構造を示す。FIG. 1 shows the body frame structure of a motorcycle.
トップパイプ４とピボット部６との間にメーンパイブ５
を架設一体とし、メーンパイプ５の長手はぼ中央上部に
形成した取付座５Ａにシートレール１の溶接連結部ＩＡ
を溶接して固定している。前記ピボット部６の上方部に
取付座６Ａを形成し、ここへサブフレーム２の溶接連結
部２人を溶接し固定している。A main pipe 5 is installed between the top pipe 4 and the pivot part 6.
The welded connection part IA of the seat rail 1 is attached to the mounting seat 5A formed at the upper center of the longitudinal axis of the main pipe 5.
are welded and fixed. A mounting seat 6A is formed above the pivot portion 6, and two welding joints of the subframe 2 are welded and fixed thereto.
またサブフレーム２の上端部に形成した溶接連結部２Ｂ
は前記シートレール１の取付部ＩＢに溶接し固定してい
る。Also, a welded joint 2B formed at the upper end of the subframe 2
is welded and fixed to the mounting portion IB of the seat rail 1.
前記トップパイプ４にはダウンチューブ３の上端部に形
成した溶接連結部３Ａを溶接により固定し、ダウンチュ
ーブ３の下端部に形成した溶接連結部３Ｂにはボルト孔
３Ｃを開孔し、ボルト７を挿通してエンジン８に固定し
ている。A welded connecting portion 3A formed at the upper end of the down tube 3 is fixed to the top pipe 4 by welding, and a bolt hole 3C is drilled in the welded connecting portion 3B formed at the lower end of the down tube 3, and a bolt 7 is inserted into the welded connecting portion 3B. is inserted and fixed to the engine 8.
以上に述べた、車体フレーム構造Ａの一部を構成する管
状フレーム材９であるシートレールｌ、サブフレーム２
、ダウンチューブ３を一括して第２図に管状フレニム材
９として説明する。The seat rail l, which is the tubular frame material 9 that constitutes a part of the vehicle body frame structure A, and the subframe 2 described above.
, the down tube 3 will be collectively explained as a tubular frenimate member 9 in FIG.
管状フレーム材９はその一端部（両端部も可）に所定の
長さＬ部分をプレス加工して溶接連結部１０とする。こ
の溶接連結部１０は第１図における符号ＩＡ、２Ａ、２
゛Ｂ、３Ａ、３Ｂ部分を一括して示すものである。第３
図は、この溶接連結部１０のプレス加工前の端面を示す
。第３図において、相対向している上壁９Ａと下壁９Ｂ
の幅中央部分にプレス型１）．１）を当てて管孔９ Ｈ
の中心Ｏに向けて加圧すると、第４図に示すように、上
壁９Ａ、下壁９Ｂは幅方向で２つ折り状になる。The tubular frame material 9 is press-worked into a predetermined length L portion at one end (or both ends) to form a welded connection portion 10 . These welded joints 10 are designated by the symbols IA, 2A, and 2 in FIG.
゛B, 3A, and 3B portions are collectively shown. Third
The figure shows the end face of this welded joint 10 before press working. In FIG. 3, an upper wall 9A and a lower wall 9B facing each other
Press mold 1) in the center of the width. 1) and open the tube hole 9H.
When pressurized toward the center O, the upper wall 9A and lower wall 9B become folded in half in the width direction, as shown in FIG.
これを、両側壁９Ｃ１９Ｄの外方からプレス型１２．１
２で管孔９ Ｈ内方へ加圧すると、第２図に示すように
上壁９Ａ、下壁９Ｂは管孔９ Ｈ内に向けて中折陥入す
る。Press this from the outside of both side walls 9C19D into the press mold 12.1.
When pressure is applied inward to the tube hole 9H at step 2, the upper wall 9A and the lower wall 9B are bent inward toward the tube hole 9H, as shown in FIG.
こ４によって、両中折陥入部９Ｅ、９Ｆは両側壁９Ｃ１
９Ｄ間に挟まれた状態で密着しており、溶接連結部１０
の厚さは管状フレーム材９の管厚の４枚重ね分となる。With this 4, both center-folded indentations 9E and 9F are formed on both side walls 9C1.
9D and are in close contact with each other, and the welded connection part 10
The thickness is equal to the thickness of four pipes of the tubular frame material 9.
第２図において、両中折陥人部９Ｅ、９Ｆの対向間には
第５図、第６図にも示すように、管孔９Ｈに連通ずるよ
う液抜間隙９Ｇが形成され、これは第３図に示すように
、側壁９Ｄの高さ１）が下壁９Ｂの幅Ｗより長いときに
必然的に形成される。In FIG. 2, as shown in FIGS. 5 and 6, a drain gap 9G is formed between the opposing center-folded portions 9E and 9F so as to communicate with the pipe hole 9H. As shown in FIG. 3, it is inevitably formed when the height 1) of the side wall 9D is longer than the width W of the lower wall 9B.
以上の構成の如く、本発明は管状フレーム材９の先端部
に形成した溶接連結部１０が、一方向で相対向する管壁
を管孔内へ向けて幅方向で２つ折り状に中折陥入させて
、該中折陥入方向と直交方向で相対向する壁面を対面方
向に潰圧させたものであるから、溶接連結部１０の厚さ
は管厚の４枚重ね分の厚さとなり厚味方向に対する曲げ
強度が大となると共に、溶接連結部１０の幅は管材の径
より大きくなることはない。As described above, the present invention has a structure in which the welded connection part 10 formed at the tip of the tubular frame material 9 is folded in half in the width direction so that the opposing pipe walls in one direction are directed into the pipe hole. Since the wall surfaces facing each other in the direction perpendicular to the direction of the center-fold indentation are crushed in the facing direction, the thickness of the welded joint 10 is the thickness of four pipes stacked. The bending strength in the thickness direction is increased, and the width of the welded connection portion 10 is not larger than the diameter of the pipe material.
また、溶接連結部１０の両中折陥入部間に形成される液
抜間隙９Ｇは、管状フレーム材９の内孔に対する表面処
理加工液の液抜きに利用できる。Further, the liquid draining gap 9G formed between both the center-folded recessed portions of the welding connection portion 10 can be used for draining the surface treatment liquid from the inner hole of the tubular frame member 9.
なお、本発明は前記構成に限定れるものではなく、適宜
設計変更することができる。第１図中には車体フレーム
構造Ａを構成する管状フレーム材として符号１．２．３
が示されているが、これ以外でも、この部材の附属フレ
ーム材として用いられる管状フレーム材は第２図に示す
管状フレーム材９となしうる。Note that the present invention is not limited to the above configuration, and the design can be changed as appropriate. In Fig. 1, the tubular frame material constituting the vehicle body frame structure A is shown with the reference numeral 1.2.3.
is shown, but other than this, the tubular frame material used as the attached frame material of this member may be the tubular frame material 9 shown in FIG. 2.
第７図、第８図は他の実施例を示す溶接連結部１０の端
面を示す。前記実施例と同じ部分は同じ符号で示しであ
る。FIGS. 7 and 8 show end faces of a welded joint 10 showing another embodiment. The same parts as in the previous embodiment are designated by the same reference numerals.
第７図に示すものは図中の左側壁９Ｃと右側壁９Ｄの高
さを違差させて、液抜間隙９Ｇを管状フレーム材９の中
心より左寄にしたものである。また第８図に示すものは
、丸管フレーム材を使用したもので、接続相手の丸管フ
レーム材に溶接しやすいように側壁９Ｃ１９Ｄを湾曲さ
せてあり、このように、使用例によって適宜変更するこ
とができる。In the structure shown in FIG. 7, the heights of the left side wall 9C and the right side wall 9D in the figure are different, and the drain gap 9G is positioned to the left of the center of the tubular frame material 9. The one shown in Fig. 8 uses a round tube frame material, and the side wall 9C19D is curved to facilitate welding to the round tube frame material of the connection partner. be able to.
本発明は次のようなすぐれた効果を有している。 The present invention has the following excellent effects.
Ａ、溶接連結部の厚さを厚くすることができるため、厚
味方向に対する曲げ強度が増大する。A. Since the thickness of the welded joint can be increased, the bending strength in the thickness direction increases.
Ｂ、溶接連結部の幅が管状フレーム材の径より大きくな
らないため、美観にすぐれ、かつ取付が容易となり、溶
接面積も少なく組立て効率が向上する。B. Since the width of the welded connection part is not larger than the diameter of the tubular frame material, it is aesthetically pleasing and easy to install, and the welding area is small, improving assembly efficiency.
Ｃ８他部材を使用することなく、管状フレーム材を直に
加工することができるので、容易に実施することができ
る。Since the tubular frame material can be processed directly without using other C8 members, it can be easily carried out.
図面は本発明に係り、第１図は車体フレーム構造の側面
図、第２図は管状フレーム材の斜視図、第３図は加工直
前の溶接連結部０：；；面図、第４図は１次加工後の溶
接連結部端面図、第５図は第２図に招ける■−■断面図
、第６図は第２図におけるＩ［１−１）１断面図、第７
図、および第８図は他の実施例を示す溶接連結部端面図
、第９図、第１Ｏ図、第１）図は従来例を示すフレーム
の斜視図。
１・・・・・・シートレール ２・・・・・・サブフ
レーム３・・・・・・ダウンチューブ
ＩＡ、２Ａ、２Ｂ、３Ａ・・・・・・・・・溶接連結部
４・・・・・・トップパイプ ５・・・・・・メーン
パイプ６・・・・・・ピボット部 ９・・・・・・
管状フレーム祠９Ａ・・・上壁 ９Ｂ・・・
・・・下壁９Ｃ１９Ｄ・・・・・・側壁 ９Ｅ、９Ｆ・
・・・・・中折陥入部９Ｇ・・・・・・液抜間隙
９ Ｈ・・・・・・管孔ＩＯ・・・・・・溶接連結部
１）．１２・旧・・プレス型特許出願人 本田技研
工業株式会社
第３図 第４図
第５図
第７図 第８図The drawings relate to the present invention, and Fig. 1 is a side view of the vehicle body frame structure, Fig. 2 is a perspective view of the tubular frame material, Fig. 3 is a side view of the welded connection immediately before processing, and Fig. 4 is a side view of the vehicle body frame structure. An end view of the welded joint after primary processing, Figure 5 is a ■-■ sectional view taken from Figure 2, Figure 6 is a sectional view of I[1-1)1 in Figure 2, and Figure 7 is a cross-sectional view of I[1-1)1 in Figure 2.
9 and 8 are end views of welded joints showing other embodiments, and FIGS. 9, 10, and 1) are perspective views of frames showing conventional examples. 1...Seat rail 2...Subframe 3...Down tube IA, 2A, 2B, 3A...Weld connection part 4... ...Top pipe 5...Main pipe 6...Pivot part 9...
Tubular frame shrine 9A...Top wall 9B...
...Bottom wall 9C19D...Side wall 9E, 9F.
...Half-folded intrusion part 9G...Drainage gap
9 H...Pipe hole IO...Welding connection part
1). 12. Old... Press type patent applicant Honda Motor Co., Ltd. Figure 3 Figure 4 Figure 5 Figure 7 Figure 8
Claims (2)
材の一端部に他部材と溶接して連結させる溶接連結部を
プレス形成し、該溶接連結部は相対向する両壁面を幅方
向で２つ折り状に管孔内へ中折陥入させ、該両中折陥入
部を挾む両壁を相対面する方向へ潰圧したことを特徴と
する管状フレームの溶接連結部構造。(1) A welded connection part that is welded and connected to another member is press-formed at one end of a tubular frame material that constitutes a part of the vehicle body frame structure, and the welded connection part connects both opposing wall surfaces in the width direction. 1. A welded connection structure for a tubular frame, characterized in that the frame is folded halfway into a tube hole in a folded shape, and both walls sandwiching the half-folded indentations are crushed in directions facing each other.
孔と連通する液抜間隙を形成したことを特徴とする特許
請求の範囲第１項に記載する管状フレームの溶接連結部
構造。(2) A welded joint structure of a tubular frame according to claim 1, characterized in that a drainage gap communicating with a pipe hole of the tubular frame material is formed between the opposing center-folded recessed parts. .
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4699486A JPS62203697A (en) | 1986-03-04 | 1986-03-04 | Welding connection part structure for tubular frame |
| US06/021,825 US4809999A (en) | 1986-03-04 | 1987-03-04 | Tubular frame member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4699486A JPS62203697A (en) | 1986-03-04 | 1986-03-04 | Welding connection part structure for tubular frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62203697A true JPS62203697A (en) | 1987-09-08 |
Family
ID=12762747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4699486A Pending JPS62203697A (en) | 1986-03-04 | 1986-03-04 | Welding connection part structure for tubular frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62203697A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4859002B1 (en) * | 2011-05-11 | 2012-01-18 | 誠治 柏熊 | Drainage pipe, drainage pipe manufacturing method and ground reinforcement method |
| JP2015189426A (en) * | 2014-03-28 | 2015-11-02 | 本田技研工業株式会社 | Body frame of saddle type vehicle |
-
1986
- 1986-03-04 JP JP4699486A patent/JPS62203697A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4859002B1 (en) * | 2011-05-11 | 2012-01-18 | 誠治 柏熊 | Drainage pipe, drainage pipe manufacturing method and ground reinforcement method |
| JP2015189426A (en) * | 2014-03-28 | 2015-11-02 | 本田技研工業株式会社 | Body frame of saddle type vehicle |
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