[go: up one dir, main page]

JPH05161914A - Manufacture of fork member to be connected with damper for suspension device - Google Patents

Manufacture of fork member to be connected with damper for suspension device

Info

Publication number
JPH05161914A
JPH05161914A JP35093391A JP35093391A JPH05161914A JP H05161914 A JPH05161914 A JP H05161914A JP 35093391 A JP35093391 A JP 35093391A JP 35093391 A JP35093391 A JP 35093391A JP H05161914 A JPH05161914 A JP H05161914A
Authority
JP
Japan
Prior art keywords
fork
fork member
damper
manufacturing
suspension device
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.)
Granted
Application number
JP35093391A
Other languages
Japanese (ja)
Other versions
JP2915663B2 (en
Inventor
Yasushi Nakazawa
靖 中沢
Yasunari Oku
康徳 奥
Kaoru Kusaka
馨 日下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP35093391A priority Critical patent/JP2915663B2/en
Publication of JPH05161914A publication Critical patent/JPH05161914A/en
Application granted granted Critical
Publication of JP2915663B2 publication Critical patent/JP2915663B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/04Making uncoated products by direct extrusion
    • B21C23/14Making other products
    • B21C23/142Making profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Extrusion Of Metal (AREA)

Abstract

PURPOSE:To enhance the quality, strength of a fork member to be connected with a damper for a suspension device and to improve the manufacturing efficiency. CONSTITUTION:When a fork stock 8 having a body 6 to be an annular connecting part 3 of a fork member to be connected with a damper for a suspension device and projecting parts 7a, 7b to be arm parts 5a, 5b is extruded and molded and a fork molded body 10 to be a fork member with a cut surface 9 crossing in the extruding direction is cut out, the manufacturing man hour can be simplified and the manufacturing efficiency be improved. The annular connecting part 3 of this fork member is connected with the outer casing in the fitting state to form the damper for the suspension device having a fork member integrally.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、懸架装置用ダンパの一
端に同軸的に結合される結合部と、前記結合部の軸線に
沿うように前記結合部の外周部から対称的に延出された
一対のアーム部とを有する懸架装置用ダンパに結合され
るフォーク部材の製造方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting portion which is coaxially connected to one end of a damper for a suspension device, and symmetrically extends from the outer peripheral portion of the connecting portion along the axis of the connecting portion. The present invention relates to a method for manufacturing a fork member coupled to a suspension damper having a pair of arm portions.

【0002】[0002]

【従来の技術】懸架装置用ダンパに於けるサスペンショ
ンアームとの連結部の構造として、直線摺動型ダンパの
外筒端部に、一対のフォーク状アーム部を有するフォー
ク部材を一体的に結合したものがある。このフォーク部
材の結合構造にあっては、鋼板をコ字状に曲げ加工して
なるものを外筒端部に溶接結合したり、鋼材にて鍛造あ
るいは鋳造成形されたものにすり割り部を設け、すり割
り部を、ボルトにより締め込むことで外筒端部の外周面
に一体結合するようにしたものがある。
2. Description of the Related Art As a structure of a connecting portion with a suspension arm in a suspension damper, a fork member having a pair of fork-shaped arm portions is integrally connected to an outer cylinder end portion of a linear sliding damper. There is something. In this fork member connection structure, a steel plate bent into a U shape is welded to the outer cylinder end, or a forged or cast molded steel product is provided with a slot. In some cases, the slotted portion is integrally coupled to the outer peripheral surface of the outer tube end portion by tightening with a bolt.

【0003】上記フォーク部材に於いて、軽量化するた
めアルミニウム合金材を用いて形成することが考えられ
る。アルミニウム製フォーク部材の製造にあっては、鋳
造あるいは鍛造により行うことができる。
In order to reduce the weight of the fork member, it is possible to use an aluminum alloy material. The aluminum fork member can be manufactured by casting or forging.

【0004】しかしながら、鋳造の場合には、複数箇所
の厚肉部による肉厚変化が大きいため引け巣などが生じ
たり、強度・靭性の向上のため肉厚を厚くする必要があ
ったり、品質・強度のばらつきが少なくないため品質管
理の強化による製造コストの高騰化などの問題がある。
また、鍛造の場合には、製造工程の複雑化による工程間
検査や修正の必要、及び金型の短命により製造コストが
高騰化したり、鋳造の場合の鋳抜きができないことによ
る駄肉に対する鍛造後の機械加工の工数増加などの問題
がある。
In the case of casting, however, shrinkage cavities may occur due to large changes in wall thickness due to thick portions at a plurality of places, and it is necessary to increase the wall thickness in order to improve strength and toughness. Since variations in strength are not small, there are problems such as higher manufacturing costs due to strengthened quality control.
Also, in the case of forging, it is necessary to inspect and correct the process due to the complicated manufacturing process, and the manufacturing cost rises due to the short life of the mold, and after the forging of the stale meat due to the fact that casting cannot be performed in the case of casting. There is a problem such as an increase in the number of machining processes.

【0005】[0005]

【発明が解決しようとする課題】このような従来技術の
問題点に鑑み、本発明の主な目的は、品質・強度をより
一層高め得るフォーク部材を製造すると共に、製造効率
を向上し得る懸架装置用ダンパに結合されるフォーク部
材の製造方法を提供することにある。
SUMMARY OF THE INVENTION In view of the above problems of the prior art, the main object of the present invention is to manufacture a fork member that can further improve the quality and strength and to suspend the suspension for improving the manufacturing efficiency. It is an object of the present invention to provide a method for manufacturing a fork member coupled to a device damper.

【0006】[0006]

【課題を解決するための手段】このような目的は、本発
明によれば、懸架装置用ダンパの一端に同軸的に結合さ
れる結合部と、前記結合部の軸線に沿うように前記結合
部の外周部から対称的に延出された一対のアーム部とを
有するフォーク部材の製造方法であって、前記結合部と
なるべき本体、及び該本体から略半径方向外向きかつ両
対角位置から延出する前記アーム部となるべき延出部を
有するフォーク素材を押し出し成形により成形する過程
と、前記フォーク素材を前記押し出し成形の押し出し方
向に交差する切断面をもって前記フォーク部材となるべ
きフォーク成形体を切り出す過程と、前記切り出された
前記フォーク成形体に於ける前記延出部を曲げ加工して
前記アーム部を形成する過程とを有することを特徴とす
る懸架装置用ダンパに結合されるフォーク部材の製造方
法を提供することにより達成される。
According to the present invention, there is provided a connecting portion coaxially connected to one end of a suspension damper, and the connecting portion along the axis of the connecting portion. A method of manufacturing a fork member having a pair of arm portions symmetrically extending from the outer peripheral portion of the main body, the main body to be the coupling portion, and a substantially radial outward direction from the main body and from both diagonal positions. A process of forming a fork material having an extending portion to be the extending arm portion by extrusion molding, and a fork molded body to be the fork member with a cutting surface crossing the fork material in the extrusion direction of the extrusion molding. And a step of bending the extending portion of the cut out fork molded body to form the arm portion. It is achieved by providing a method of manufacturing a fork member coupled to.

【0007】[0007]

【作用】このようにすれば、懸架装置用ダンパに結合さ
れるフォーク部材を押し出し成形を用いて製造すること
ができる。
By doing so, the fork member coupled to the suspension damper can be manufactured by extrusion molding.

【0008】[0008]

【実施例】図1は、本発明が適用された自動車の懸架装
置用ダンパに結合されたフォーク部材を示す斜視図であ
る。このフォーク部材1には、ダンパの想像線で示され
る有底筒状をなす外筒2の軸線方向一端部に結合される
環状結合部3が設けられており、外筒2の一端部の外周
面に環状結合部3が同軸的に嵌合されるようになってい
る。
1 is a perspective view showing a fork member connected to a damper for a suspension system of an automobile to which the present invention is applied. The fork member 1 is provided with an annular coupling portion 3 that is coupled to one end portion in the axial direction of an outer cylinder 2 having a bottomed cylindrical shape shown by an imaginary line of a damper, and an outer circumference of one end portion of the outer cylinder 2. The annular coupling portion 3 is coaxially fitted to the surface.

【0009】フォーク部材1は、環状結合部3の外周部
から環状結合部3の軸線に沿うように対称的に延出され
た一対のアーム部4a・4bを一体的に有している。各
アーム部4a・4bは、各遊端部同士を環状結合部3の
軸線延長線側に若干近づける向きに曲げ加工されてい
る。各アーム部4a・4bの遊端部には、図示されない
サスペンションアームと連結される連結孔5a・5bが
それぞれ設けられている。
The fork member 1 integrally has a pair of arm portions 4a and 4b symmetrically extending from the outer peripheral portion of the annular joint portion 3 along the axis of the annular joint portion 3. The arms 4a and 4b are bent so that their free ends are slightly closer to the axial extension line side of the annular joint 3. The free ends of the arms 4a and 4b are provided with connecting holes 5a and 5b, respectively, which are connected to suspension arms (not shown).

【0010】図2は、図示されない押し出し加工装置に
より、半溶融状態のアルミニウム合金材を押し出して、
フォーク部材1の環状結合部3となるべき本体6と、本
体6から半径方向外向きに延出する各アーム部4a・4
bとなるべき各延出部7a・7bとを有するように成形
されたフォーク素材8を示す模式的斜視図であり、図3
は、フォーク素材8の側面を示す図である。なお、フォ
ーク素材8は、完成品のフォーク部材1の各アーム部4
a・4bの曲げ加工を行う前の軸線方向から見た輪郭と
一致するように形成された型及びダイスを用いて、図に
示される矢印Aの向きに押し出されて成形され、成形後
に図示されない冷却装置により冷却される。
In FIG. 2, a semi-molten aluminum alloy material is extruded by an extruding device (not shown),
A main body 6 to be the annular coupling portion 3 of the fork member 1 and each arm portion 4a, 4 extending radially outward from the main body 6.
3 is a schematic perspective view showing a fork material 8 formed so as to have respective extending portions 7a and 7b which should be b, and FIG.
FIG. 6 is a diagram showing a side surface of a fork material 8. The fork material 8 is the arm portion 4 of the finished fork member 1.
a and 4b are extruded in the direction of arrow A shown in the figure using a die and a die formed so as to match the contour seen from the axial direction before bending, and not shown after the formation. It is cooled by the cooling device.

【0011】上記フォーク素材8は、次の工程で図示さ
れない切断装置により、上記押し出し方向に沿って所定
のピッチ(例えば等間隔)で平行な切断面9をもって切
断される。この切断には、例えば帯のこまたは水ジェッ
トを用いて良く、フォーク素材8から複数のフォーク成
形体10が切り出される。このフォーク成形体10を押
し出し成形する際には、両アーム部4a・4bの遊端部
にそれぞれ設けられる連結孔5a・5bが、環状結合部
3の結合孔3aと同時に成形されるようになっている。
In the next step, the fork material 8 is cut by parallel cutting surfaces 9 at a predetermined pitch (eg, equal intervals) along the extrusion direction by a cutting device (not shown). For this cutting, for example, a band saw or a water jet may be used, and a plurality of fork molded bodies 10 are cut out from the fork material 8. When this fork molded body 10 is extrusion-molded, the connection holes 5a and 5b respectively provided at the free ends of both arm portions 4a and 4b are formed simultaneously with the coupling hole 3a of the annular coupling portion 3. ing.

【0012】このようにしてフォーク成形体8が成形さ
れ、次に、その一対のアーム部4a・4bを、図1に示
されるように環状結合部3の軸線に沿いかつ互いに略平
行になるように曲げ加工する。なお、アーム部4a・4
bの両遊端部同士を環状結合部3の軸線延長線側に若干
近づけるようにするべく、アーム部4a・4bの中間部
を上記軸線に対して僅かに斜めになるように曲げてい
る。
The fork molded body 8 is molded in this manner, and then the pair of arm portions 4a and 4b are arranged along the axis of the annular coupling portion 3 and substantially parallel to each other as shown in FIG. Bend to. The arm portions 4a and 4
The intermediate portions of the arm portions 4a and 4b are bent so as to be slightly inclined with respect to the axis so that the two free ends of b are slightly closer to the axial extension line side of the annular coupling portion 3.

【0013】また、環状結合部3を外筒2に結合するた
めに、図3に示されるように、外筒2の対応外周面に、
周方向に全周に亘って半径方向外向きに突出する突条部
11が形成されており、環状結合部3の結合孔3aに
は、突条部11に係合する周方向溝12が形成されてい
る。そして、上記結合時に、例えばマグネフォーム加工
にて拡管することによって、突条部11に周方向溝12
を係合させることにより、両者の強固な一体化が得ら
れ、ダンパの完成品が形成される。
Further, in order to connect the annular connecting portion 3 to the outer cylinder 2, as shown in FIG.
A projecting ridge portion 11 that projects outward in the radial direction is formed over the entire circumference in the circumferential direction, and a circumferential groove 12 that engages with the projecting ridge portion 11 is formed in the coupling hole 3 a of the annular coupling portion 3. Has been done. Then, at the time of the above-mentioned coupling, the circumferential groove 12 is formed in the ridge portion 11 by expanding the pipe by, for example, a magnetism process.
By engaging with each other, a strong integration of the two is obtained, and a finished product of the damper is formed.

【0014】なお、従来例で示したようにすり割り構造
を用いることなく、外筒2にフォーク部材1を一体結合
することから、結合部の駄肉を必要とせず、かつ部品点
数を削減できる。更に、外筒2もアルミニウム合金材を
用いて押し出し成形することができ、両部材を共にアル
ミニウム合金化することにより、電食の問題を解消し得
る。
Since the fork member 1 is integrally connected to the outer cylinder 2 without using the slotting structure as shown in the conventional example, the uselessness of the connecting portion is not required and the number of parts can be reduced. .. Furthermore, the outer cylinder 2 can also be extrusion-molded using an aluminum alloy material, and by making both members an aluminum alloy, the problem of electrolytic corrosion can be solved.

【0015】図4は、フォーク素材からフォーク成形体
を切り出す際の別の実施例を示すフォーク素材13の側
面図であり、前記実施例と同様の部分については同一の
符号を付してその詳しい説明を省略する。この実施例で
は、図に示されるように、両アーム部4a・4bを環状
結合部3に対して予め曲げた形状になるように、フォー
ク成形体14を切り出すようにしたものである。このよ
うにすることにより、アーム部4a・4bを曲げ加工し
た後も環状結合部3の結合孔3aの真円度を保つ必要が
あるが、アーム部4a・4bの曲げ加工が結合孔3aの
真円度に影響することを好適に防止できる。
FIG. 4 is a side view of a fork material 13 showing another embodiment for cutting out a fork molded body from a fork material. The same parts as those in the above embodiment are designated by the same reference numerals and their details will be described. The description is omitted. In this embodiment, as shown in the drawing, the fork molded body 14 is cut out so that both arm portions 4a and 4b are preliminarily bent with respect to the annular joint portion 3. By doing so, it is necessary to maintain the roundness of the coupling hole 3a of the annular coupling portion 3 even after the bending of the arm portions 4a and 4b. It is possible to preferably prevent the influence on the roundness.

【0016】[0016]

【発明の効果】このように本発明によれば、押し出し成
形によりフォーク素材を成形し、そのフォーク素材から
フォーク成形体を切り出してフォーク部材を形成すこと
から、製造工数を簡略化して製造効率を向上できるため
フォーク部材を低コスト化し得る。
As described above, according to the present invention, a fork material is formed by extrusion molding and a fork molded body is cut out from the fork material to form a fork member, so that the number of manufacturing steps is simplified and the manufacturing efficiency is improved. Since the cost can be improved, the cost of the fork member can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に基づくフォーク部材を簡略化して示す
斜視図。
FIG. 1 is a simplified perspective view of a fork member according to the present invention.

【図2】押し出し加工によるフォーク素材及びフォーク
成形体を示す斜視図。
FIG. 2 is a perspective view showing a fork material and a fork molded body by extrusion processing.

【図3】本発明が適用されたフォーク部材とダンパとの
結合要領を示す模式的側断面図。
FIG. 3 is a schematic side cross-sectional view showing how to connect a fork member and a damper to which the present invention is applied.

【図4】フォーク素材の切断要領を示す第2の実施例を
示す側面図。
FIG. 4 is a side view showing a second embodiment showing a cutting procedure of a fork material.

【符号の説明】[Explanation of symbols]

1 フォーク部材 2 外筒 3 環状結合部 3a 結合孔 4a・4b アーム部 5a・5b 連結孔 6 本体 7a・7b 延出部 8 フォーク素材 9 切断面 10 フォーク成形体 11 突条部 12 周方向溝 13 フォーク素材 14 フォーク成形体 DESCRIPTION OF SYMBOLS 1 Fork member 2 Outer cylinder 3 Annular coupling part 3a Coupling hole 4a, 4b Arm part 5a, 5b Coupling hole 6 Main body 7a, 7b Extending part 8 Fork material 9 Cutting surface 10 Fork molded body 11 Projection part 12 Circumferential groove 13 Fork material 14 Fork molded body

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 懸架装置用ダンパの一端に同軸的に結合
される結合部と、前記結合部の軸線に沿うように前記結
合部の外周部から対称的に延出された一対のアーム部と
を有するフォーク部材の製造方法であって、 前記結合部となるべき本体、及び該本体から略半径方向
外向きかつ両対角位置から延出する前記アーム部となる
べき延出部を有するフォーク素材を押し出し成形により
成形する過程と、前記フォーク素材を前記押し出し成形
の押し出し方向に交差する切断面をもって前記フォーク
部材となるべきフォーク成形体を切り出す過程と、前記
切り出された前記フォーク成形体に於ける前記延出部を
曲げ加工して前記アーム部を形成する過程とを有するこ
とを特徴とする懸架装置用ダンパに結合されるフォーク
部材の製造方法。
1. A coupling portion coaxially coupled to one end of a suspension damper, and a pair of arm portions symmetrically extending from an outer peripheral portion of the coupling portion along an axis of the coupling portion. A method of manufacturing a fork member having: a fork material having a main body to be the connecting portion, and extension portions to be the arm portions extending outward from the main body in a substantially radial direction and from both diagonal positions. A step of forming the fork by extrusion molding, a step of cutting the fork material into a fork formed body to be the fork member with a cutting surface crossing the extrusion direction of the extrusion forming, and a step of cutting the fork formed body. And a step of forming the arm portion by bending the extending portion, and a method for manufacturing a fork member coupled to a suspension damper.
【請求項2】 前記フォーク成形体を押し出し成形する
際に、前記結合部を前記懸架装置用ダンパの一端部の外
周面に嵌合可能な環状に同時に成形することを特徴とす
る請求項1に記載の懸架装置用ダンパに結合されるフォ
ーク部材の製造方法。
2. The extrusion molding of the fork molded body, the coupling portion is simultaneously molded into an annular shape that can be fitted to the outer peripheral surface of the one end of the suspension device damper. A method of manufacturing a fork member coupled to the suspension damper according to claim 1.
JP35093391A 1991-12-11 1991-12-11 Method of manufacturing fork member coupled to suspension damper Expired - Fee Related JP2915663B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP35093391A JP2915663B2 (en) 1991-12-11 1991-12-11 Method of manufacturing fork member coupled to suspension damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35093391A JP2915663B2 (en) 1991-12-11 1991-12-11 Method of manufacturing fork member coupled to suspension damper

Publications (2)

Publication Number Publication Date
JPH05161914A true JPH05161914A (en) 1993-06-29
JP2915663B2 JP2915663B2 (en) 1999-07-05

Family

ID=18413900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP35093391A Expired - Fee Related JP2915663B2 (en) 1991-12-11 1991-12-11 Method of manufacturing fork member coupled to suspension damper

Country Status (1)

Country Link
JP (1) JP2915663B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11294513A (en) * 1998-04-14 1999-10-29 Nippon Light Metal Co Ltd shock absorber
JPH11294512A (en) * 1998-04-14 1999-10-29 Nippon Light Metal Co Ltd shock absorber
KR100345859B1 (en) * 1997-07-18 2002-11-11 기아자동차주식회사 Method for manufacturing aluminum yoke of automobile propeller shaft
CN107237857A (en) * 2017-07-25 2017-10-10 江苏中色锐毕利实业有限公司 A kind of aluminium alloys for automobile matter damper connection fork
EP3666455A1 (en) * 2018-12-14 2020-06-17 Benteler Automobiltechnik GmbH Method for producing suspension strut forks
US11230154B2 (en) * 2017-11-23 2022-01-25 Raufoss Technology As Connection system for connecting a damping unit of a motor vehicle inside a wheel suspension of said vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100345859B1 (en) * 1997-07-18 2002-11-11 기아자동차주식회사 Method for manufacturing aluminum yoke of automobile propeller shaft
JPH11294513A (en) * 1998-04-14 1999-10-29 Nippon Light Metal Co Ltd shock absorber
JPH11294512A (en) * 1998-04-14 1999-10-29 Nippon Light Metal Co Ltd shock absorber
CN107237857A (en) * 2017-07-25 2017-10-10 江苏中色锐毕利实业有限公司 A kind of aluminium alloys for automobile matter damper connection fork
US11230154B2 (en) * 2017-11-23 2022-01-25 Raufoss Technology As Connection system for connecting a damping unit of a motor vehicle inside a wheel suspension of said vehicle
EP3666455A1 (en) * 2018-12-14 2020-06-17 Benteler Automobiltechnik GmbH Method for producing suspension strut forks
US11358198B2 (en) 2018-12-14 2022-06-14 Benteler Automobiltechnik Gmbh Method for producing spring strut forks

Also Published As

Publication number Publication date
JP2915663B2 (en) 1999-07-05

Similar Documents

Publication Publication Date Title
CA3106313C (en) Suspension strut fork and method for producing a suspension strut fork
US20200148020A1 (en) Motor vehicle control arm, and method for producing a motor vehicle control arm
US6908111B2 (en) Aluminum hollow bent member and vehicular member construction
US4486932A (en) Process for making a replacement muffler
JPH05161914A (en) Manufacture of fork member to be connected with damper for suspension device
US7536895B2 (en) Deformed forging
US6735997B2 (en) Method for producing a housing for a ball joint
US4768369A (en) Method of forming a pipe fitting
JPH11222152A (en) Manufacture of automobile suspension member
US4516659A (en) Replacement muffler and process for making same
KR950013205B1 (en) Manufacturing method of cylinder block of engine
JPH0446650A (en) Method for forming torsion bar for steering
JP3152707B2 (en) Method of manufacturing suspension damper
JPH0819816A (en) Production of cylindrical member
JPH06190479A (en) Manufacture of combination type cam shaft
JPH08142188A (en) Mold for molding tube joint
JPS61279325A (en) Manufacture of hollow connecting rod
JP2001088504A (en) Two-piece aluminum alloy wheel for automobile and manufacturing method thereof
JP2531574Y2 (en) Fuel delivery pipe
JPH0979445A (en) Joint structure for end part of steel pipe
JP3118093B2 (en) Exhaust manifold manufacturing method
JPH068835U (en) bush
TWI583593B (en) Front fork and front fork
JPH07190263A (en) Flange with neck
JPS6341044Y2 (en)

Legal Events

Date Code Title Description
FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080416

Year of fee payment: 9

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090416

Year of fee payment: 10

LAPS Cancellation because of no payment of annual fees