JP2670966B2 - Tubular joint - Google Patents
Tubular jointInfo
- Publication number
- JP2670966B2 JP2670966B2 JP5167944A JP16794493A JP2670966B2 JP 2670966 B2 JP2670966 B2 JP 2670966B2 JP 5167944 A JP5167944 A JP 5167944A JP 16794493 A JP16794493 A JP 16794493A JP 2670966 B2 JP2670966 B2 JP 2670966B2
- Authority
- JP
- Japan
- Prior art keywords
- tubular body
- joint
- flange member
- tubular
- plate material
- 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.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】板材にプレス加工と溶接を施して
作った筒体の端部に、フランジ部材又は他の筒体を結合
するための手段に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a means for joining a flange member or another tubular body to the end of a tubular body made by pressing and welding a plate material.
【０００２】[0002]
【従来の技術】自動車の排気管や触媒ケースは、軽量に
するために、鋳造品に代えて板材を成形、溶接して作っ
た溶接品が多用されている。この溶接品においては、筒
体部分の端部にフランジ部材又は他の筒体を正しい位置
にガス洩れのないように溶接する必要があるが、この溶
接にはかなりの不都合や困難性を伴う。2. Description of the Related Art For exhaust pipes and catalyst cases of automobiles, welded products made by forming and welding a plate material are often used instead of cast products in order to reduce the weight. In this welded product, it is necessary to weld a flange member or other tubular body to the end of the tubular body portion in the correct position so as to prevent gas leakage, but this welding involves considerable inconvenience and difficulty.
【０００３】例えば、筒体先端をフランジ部材に突き当
てて溶接するものにおいては、プレス成形した筒体の長
さに若干の寸法差があるため、フランジ位置に誤差が生
じ易い。For example, in the case where the tip of a tubular body is abutted against a flange member and welded, there is a slight dimensional difference in the length of the press-molded tubular body, so that an error is likely to occur in the flange position.
【０００４】この誤差が生じるのを防止する手段として
は、フランジ部材の接続穴に、筒体の先端を挿入量調節
自在に嵌合させて溶接する手段があり、特開平４−２３
４５１７号には、触媒ケースの端部の円筒部に用いられ
るいくつかの技術が開示されており、該技術には図６〜
８に示すものがある。As means for preventing this error from occurring, there is a means for welding by fitting the tip of the cylindrical body into the connection hole of the flange member so that the insertion amount can be adjusted, and is disclosed in Japanese Patent Laid-Open No. 4-23.
No. 4517 discloses several techniques used for the cylindrical portion at the end of the catalyst case, which is shown in FIGS.
There is one shown in 8.
【０００５】そのうち、図６に示すものは、円筒部ａ
が、上下の半円筒部ａ1、ａ2からなり、両半円筒部
ａ1、ａ2は、サイドフランジを溶接した側部接続部ｂで
接続されている。そして、円筒面がフランジ部材ｆの接
続穴ｆ1に密着できるように、該サイドフランジｂを含
めて円筒部の一部を予め切除した切欠きｃを設けてい
る。しかし、この手段においては、切欠きｃの切除工程
が必要であるばかりでなく、切欠きｃの後端がフランジ
部材ｆの端面から露出することがあるから、穴埋めの溶
接も行わなければならない。Among them, the one shown in FIG. 6 has a cylindrical portion a.
Is composed of upper and lower semi-cylindrical parts a 1 and a 2 , and both semi-cylindrical parts a 1 and a 2 are connected by a side connecting part b welded to a side flange. Then, in order that the cylindrical surface can be brought into close contact with the connection hole f 1 of the flange member f, a notch c is formed by previously cutting off a part of the cylindrical portion including the side flange b. However, in this means, not only the step of cutting out the notch c is necessary, but also the rear end of the notch c may be exposed from the end face of the flange member f, so welding for filling holes must also be performed.
【０００６】また、図７に示す手段は、半円筒部ａ1、
ａ2のサイドフランジを溶接後に切除して円筒部ａを形
成するものであるが、切除の際に硬い溶接部ｄの一部も
切断しなければならないから、加工が困難であると共に
工程が複雑になる不都合がある。Further, the means shown in FIG. 7 has a semi-cylindrical portion a 1 ,
The side flange of a 2 is cut after welding to form the cylindrical portion a. However, since a part of the hard welded portion d must be cut at the time of cutting, it is difficult to process and the process is complicated. There is an inconvenience.
【０００７】更に、図８に示すものは、円筒部ａの内部
に短円筒ｅの後半部を挿入して溶接し、該短円筒ｅの前
半部を接続穴ｆ1に挿入して溶接するものである。この
手段は、図６、７における前記の不都合はないが、部品
数と溶接工数が多くなり、高価になると解される。とこ
ろで、フランジ部材の筒体接続穴に、ボルト穴と同位相
で凹部を設け、筒体側に該凹部に嵌入するリブを突設し
て筒体の結合力を増大させた継手は、実開 昭５６−１２
２８８４号公報に示されているが、該継手においては、
ボルト穴を通るボルトの頭又はナットと前記リブの干渉
を避けるために、前記凹部の深さだけボルト穴を半径方
向外方位置に設けなければならないため、フランジ部材
が大型化する難点がある。 Further, in the one shown in FIG. 8, the latter half of the short cylinder e is inserted and welded inside the cylindrical portion a, and the first half of the short cylinder e is inserted into the connection hole f 1 and welded. Is. Although this means does not have the above-mentioned inconvenience in FIGS. 6 and 7, it is understood that the number of parts and the number of welding steps are large and the cost is high. Toko
The same phase as the bolt hole in the cylindrical connection hole of the flange member.
To form a concave portion, and to project a rib that fits into the concave portion on the cylinder side.
Joint having increased bonding strength of the cylinder Te is JitsuHiraku Akira 56-12
As disclosed in Japanese Patent No. 2884, in the joint,
Interference between the rib or head and nut of the bolt passing through the bolt hole
In order to avoid the
The flange member must be installed in the outward position.
However, there is a problem that it becomes larger.
【０００８】また、側面に長手方向の接続部を突出させ
た筒体を他の筒体に接続するときも、一方の筒体に図
７、８の円筒部ａと同様の円筒状部分を設けて他の筒体
と接続する手段が用いられる。Also, when connecting a cylindrical body having a longitudinal side connecting portion protruding to another cylindrical body, one cylindrical body is provided with a cylindrical portion similar to the cylindrical portion a in FIGS. And a means for connecting to another cylinder is used.
【０００９】[0009]
【発明が解決しようとする課題】本発明は、特別の工程
又は部品を用いることなく、筒体の先端部に、フランジ
部材又は他の筒体を所要の位置まで嵌合して容易に溶接
結合できるようにすることを課題とする。SUMMARY OF THE INVENTION According to the present invention, a flange member or another tubular body is fitted to a required position on a tip end portion of the tubular body without using a special process or parts, and welded easily. The challenge is to be able to do so.
【００１０】[0010]
【課題を解決するための手段】本発明の筒体とフランジ
部材を結合するための手段は、請求項１に記載したとお
り、該手段によれば、筒体（２）の周面及び側部接続部
（４、１７）はフランジ部材（３）の接続穴（５）及び
凹部（７）に密嵌し、隙間のない状態で溶接される。そ
して、フランジ部材（３）におけるボルト穴（６）と異
なる位相で凹部（７）が設けられるから、ボルト穴
（６）を通るボルトの頭又はナットと凹部（７）と同位
相の側部接続部（４、１７）の干渉が避けられる。 The means for connecting the tubular body and the flange member of the present invention is, as described in claim 1 , according to the means, the peripheral surface and the side portion of the tubular body (2). Connection
(4, 17) are connection holes (5) of the flange member (3) and
It fits tightly in the recess (7) and is welded without any gaps. So
Different from the bolt holes (6) in the flange member (3).
Since the recess (7) is provided in
The head or nut of the bolt passing through (6) and the recess (7) are the same.
Interference of the phase side connections (4, 17) is avoided.
【００１１】また、本発明の筒体と他の筒体を結合する
ための手段は、請求項２に記載したとおり、板材を湾曲
して該板材の側端を長手方向の側部接続部で結合した筒
体と、該筒体の先端部が挿入される接続穴をもつ接続筒
と、両部材を結合する溶接部と、をもつ筒体の継ぎ手に
おいて、前記側部接続部（４、１７）を周面から突出さ
せて設けた筒体（２′）と、該筒体（２′）の先端部の
外周形状と略同一形状の内面をもつ継ぎ手部（１２）を
設けた接続筒（１１）と、を備えることを特徴とする。
該手段によれば、筒体（２′）の周面及び側部接続部
（４、１７）は接続筒（１１）の継ぎ手部（１２）に密
嵌し、隙間のない状態で溶接される。 The means for connecting the cylindrical body of the present invention to another cylindrical body is characterized in that, as described in claim 2, the plate material is curved so that the side end of the plate material is formed by the side connecting portion in the longitudinal direction. In a joint of a tubular body having a joined tubular body, a connecting tube having a connecting hole into which a tip end portion of the tubular body is inserted, and a welded portion for joining both members, the side connecting portion (4, 17) is provided. ) a peripheral surface from protruded provided a cylindrical body 'and), the tubular member (2' (2) connecting cylinder having a joint portion (12) having a peripheral shape and an inner surface of substantially the same shape of the front end portion of the ( 11) and are provided.
According to this means, the peripheral surface of the cylindrical body (2 ') and the side connecting portion
(4, 17) is tightly attached to the joint part (12) of the connecting tube (11).
It is fitted and welded without any gaps.
【００１２】[0012]
【実施例】以下、図面を参照して実施例を説明する。図
１、２は本発明の第１実施例であり、触媒ケース１の端
部の筒体部２にフランジ部材３を結合する例を示す。触
媒ケース１は、上半部１ａと下半部１ｂとを合体したも
ので、縦断面長円形又は円形で大容積の触媒室Ａを備
え、該触媒室Ａから伸びる筒体部２も上半部２ａと下半
部２ｂからなり、図２（ａ）に示すように、上下の半部
は、外側へ突出する重合部４ａと溶接部４ｂで形成され
る側部接続部４によって結合されている。An embodiment will be described below with reference to the drawings. 1 and 2 show a first embodiment of the present invention, showing an example in which a flange member 3 is coupled to a tubular body portion 2 at an end portion of a catalyst case 1. The catalyst case 1 is a combination of an upper half part 1a and a lower half part 1b. The catalyst case 1 is provided with a large volume catalyst chamber A having an oval or circular cross section, and a cylindrical body part 2 extending from the catalyst chamber A is also an upper half part. 2a and the lower half 2b. As shown in FIG. 2 (a), the upper and lower halves are connected by the side connecting portion 4 formed by the overlapping portion 4a and the welding portion 4b protruding outward. There is.
【００１３】フランジ部材３は、厚板から作られ、図２
（ｂ）に示すように接続穴５と３個のボルト穴６が設け
られ、接続穴５は、筒体部２の円弧部の外周面と略同形
の円弧面５ａ、５ｂと、側部接続部４の外面と略同形の
凹部７とが連続して設けられ、且つ該凹部７は、ボルト
穴６と位相を異ならせて二つのボルト穴６、６の中間位
置に設けられており、この接続穴５は、プレス機による
打抜きで作られる。The flange member 3 is made from a slab and is shown in FIG.
As shown in (b), a connection hole 5 and three bolt holes 6 are provided, and the connection hole 5 has arcuate surfaces 5a and 5b having substantially the same shape as the outer peripheral surface of the arcuate portion of the tubular body portion 2 and side connection. the recess 7 of the outer surface and substantially the same shape of the part 4 is provided et al is continuous, and the recess 7, a bolt
The bolt 6 and the hole 6 are out of phase with each other, and are in the middle position between the two bolt holes 6 and 6.
And provided we are on location, the connection hole 5 is made by punching by a press machine.
【００１４】したがって、筒体部２は、その外面を接続
穴５の面に密接させた状態で挿入することが可能であ
り、図１（ａ）に示すように挿入したのち、先端を接続
穴５に溶接部８で結合することにより一体化される。凹
部７を前記の位置に設けることにより、円筒部２の円周
面から突出する側部接続部４がボルト穴６から離れるか
ら、該ボルト穴６を通るボルトの頭部又は該ボルトに螺
合するナットに対して前記側部接続部４が干渉すること
は避けられる。 Therefore, the cylindrical body portion 2 can be inserted with its outer surface in close contact with the surface of the connection hole 5, and after inserting as shown in FIG. It is integrated by being joined to 5 by a welded portion 8. Concave
By providing the portion 7 at the above position, the circumference of the cylindrical portion 2
The side connecting part 4 protruding from the surface separates from the bolt hole 6
The head of the bolt passing through the bolt hole 6 or the bolt.
The side connecting part 4 interferes with the mating nut.
Can be avoided.
【００１５】次に、図３に示す第２実施例では、図１の
接続穴５と同形の接続穴５がフランジ部材３の途中まで
設けられ、外端側には円形穴９が連設されている。これ
もプレス成形及び打抜きによって作られる。筒体部２
は、接続穴５の深さの範囲で適宜の深さまで挿入され、
溶接部１０によって結合される。Next, in the second embodiment shown in FIG. 3, a connection hole 5 having the same shape as the connection hole 5 of FIG. 1 is provided up to the middle of the flange member 3, and a circular hole 9 is continuously provided on the outer end side. ing. This too is made by pressing and stamping. Cylindrical part 2
Is inserted to an appropriate depth within the depth range of the connection hole 5,
It is joined by the weld 10.
【００１６】図４に示す第３実施例は、本発明を筒体同
士の継ぎ手に実施した例を示し、前記筒体部２と同一構
造の筒体２′に接続する接続筒１１に継ぎ手部１２を設
けたもので、該継ぎ手部１２は、上下の円弧面１２ａ、
１２ｂと両側部の凹部１２ｃが連続的に成形されてお
り、筒体２′を継ぎ手部１２に挿入して溶接部１３で結
合される。A third embodiment shown in FIG. 4 is an example in which the present invention is applied to a joint between tubular bodies, and a joint portion is connected to a connecting tube 11 connected to a tubular body 2'having the same structure as the tubular portion 2. 12 is provided, and the joint portion 12 has upper and lower circular arc surfaces 12a,
12b and recesses 12c on both sides are continuously formed, and the tubular body 2'is inserted into the joint portion 12 and joined by the welded portion 13.
【００１７】図５に示す第４実施例は、触媒ケース１５
が上半部１５ａと下半部１５ｂからなり、その筒体１６
も上下に２分割された構造であるが、各半部の両端に
は、サイドフランジ１７ａ、１７ｂが突設され、触媒坦
体を収容したのち、サイドフランジ１７ａと１７ｂは溶
接により結合されて側部接続部１７を構成する。A fourth embodiment shown in FIG. 5 is a catalyst case 15
Is composed of an upper half portion 15a and a lower half portion 15b.
Although it is also a structure that is divided into upper and lower parts, side flanges 17a and 17b are projectingly provided at both ends of each half, and after housing the catalyst carrier, the side flanges 17a and 17b are joined by welding. The part connection part 17 is configured.
【００１８】フランジ部材１８は、板材を打抜き及びプ
レス成形して作られたもので、外周に突縁１８ａを有
し、中央に接続穴１９が開けられ、該接続穴１９の直径
線上に前記側部接続部１７が入る凹部１９ａが設けられ
る。２０はボルト穴であり、凹部１９ａはボルト穴２０
と位相が異なっている。 The flange member 18 is formed by punching and press-forming a plate material, has a projecting edge 18a on the outer periphery, has a connection hole 19 in the center, and has a connecting hole 19 on the diameter line of the side. It is part connecting portion 17 recessed portion 19a is provided to enter. 20 is a bolt hole, and the concave portion 19a is a bolt hole 20.
And the phase is different.
【００１９】このフランジ部材１８の接続穴１９に筒体
１６を挿入し、挿入深さを調節したのちフランジ部材１
８の内側すなわち筒体先端部側又は外側から溶接するこ
とにより両部分１６、１８は結合される。この実施例
は、全体が薄い板材から作られるからプレス加工が容易
に行われる。したがって前記接続穴１９をバーリング穴
として形成することもできる。The tubular body 16 is inserted into the connection hole 19 of the flange member 18, the insertion depth is adjusted, and then the flange member 1 is inserted.
Both parts 16 and 18 are joined by welding from the inside of 8, that is, the end of the cylinder or the outside. In this embodiment, since the whole is made of a thin plate material, press working is easily performed. Therefore, the connection hole 19 can be formed as a burring hole.
【００２０】なお、図１〜３の厚いフランジ部材３に代
えて、図５に示すフランジ部材１８のように、薄板を曲
げたフランジ部材を筒体２に用いることができ、また、
図５のフランジ部材１８に代えて、筒体１６に図１〜３
に示す厚板を加工したフランジ部材３を用いることがで
きる。[0020] Instead of the thick flange member 3 of Figures 1-3, like the flange member 18 shown in FIG. 5, it is possible to use a flange member bent sheet into the cylindrical body 2, also,
1-3 instead of the flange member 18 of FIG.
The flange member 3 obtained by processing the thick plate shown in can be used.
【００２１】[0021]
【発明の効果】以上のとおり、請求項１の手段によれ
ば、筒体の長手方向の側部接続部を筒体の周面から突出
した形状としたので、筒体を作るときの工程数が少な
く、むずかしい工程もないので、筒体の成形加工及び溶
接が容易である。そして、筒体の側部接続部とフランジ
部材のボルト穴は異なる位相に設けられるから、該ボル
ト穴を通るボルトの頭又はナットと前記側部接続部との
干渉が避けられ、フランジ部材を大型にしないですむ利
点がある。 As described above , according to the means of claim 1,
For example , since the side connection part in the longitudinal direction of the tubular body is made to project from the peripheral surface of the tubular body, the number of steps for producing the tubular body is small and there are no difficult steps. Is easy. And the side connection part of the cylinder and the flange
Since the bolt holes of the member are provided in different phases,
Between the head or nut of the bolt passing through the hole and the side connection
Interference can be avoided, and the flange member does not need to be large.
There is a point.
【００２２】また、請求項２の手段によれば、筒体の長
手方向の接続部を筒体の周面から突出した形状としたの
で、筒体を作るときの工程数が少なくてすみ、該筒体を
受入れる他の筒体に設けた継ぎ手部の内面は、前記筒体
の外面形状と略同形にされているから、該筒体を密接し
て挿入することができ、両部材の挿入方向の位置決めも
容易に行うことができる。 According to the means of claim 2, the length of the cylindrical body is
The connecting part in the hand direction was made to project from the peripheral surface of the cylinder.
In, requires less number of steps when creating a tubular body, the inner surface of the joint portion provided on the other of the cylindrical body Ru <br/> accept tubular body, is on the outer surface shape and substantially the same shape of the cylindrical body Therefore, the cylindrical body can be inserted closely, and positioning of both members in the insertion direction can be easily performed.
【００２３】そして、両部材の境界部に沿って溶接すれ
ばよいから、洩れのない溶接が簡単にでき、全体の工程
数も少ないから継ぎ手のコストを低下できる利点を有す
る。Since it is sufficient to weld along the boundary between both members, there is an advantage that leak-free welding can be easily performed and the cost of the joint can be reduced because the total number of steps is small.
【図１】 第１実施例を示し（ａ）は側面図、（ｂ）は
正面図FIG. 1 shows a first embodiment (a) is a side view and (b) is a front view.
【図２】 同実施例の部分図で（ａ）は筒体端面、
（ｂ）はフランジ部材を示す。FIG. 2A is a partial view of the same embodiment, in which FIG.
(B) shows a flange member.
【図３】 第２実施例を示し、（ａ）は側面図、（ｂ）
は正面図3A and 3B show a second embodiment, FIG. 3A is a side view, and FIG.
Is a front view
【図４】 第３実施例を示し、（ａ）は側面図、（ｂ）
は正面図FIG. 4 shows a third embodiment, (a) is a side view and (b) is a side view.
Is a front view
【図５】 第４実施例を示し、（ａ）は側面図、（ｂ）
は正面図5A and 5B show a fourth embodiment, FIG. 5A is a side view, and FIG.
Is a front view
【図６】 第１の従来例の分解斜視図FIG. 6 is an exploded perspective view of a first conventional example.
【図７】 第２の従来例の分解斜視図FIG. 7 is an exploded perspective view of a second conventional example.
【図８】 第３の従来例の分解斜視図FIG. 8 is an exploded perspective view of a third conventional example.
２、２′、１６ 筒体 ３、１８
フランジ部材 ４、１７ 側部接続部 ５、１９ 接続
穴６、２０ ボルト穴 ７、１２ｃ、１９ａ 凹部１２ 継ぎ手部 2, 2 ', 16 Cylindrical body 3, 18
Flange member 4, 17 Side connection part 5, 19 Connection hole 6, 20 Bolt hole 7, 12c, 19a Recess 12 Joint part
Claims (2)
の側部接続部で結合した筒体と、該筒体の先端部が挿入
される接続穴と他部材に連結するための複数のボルト穴
をもつフランジ部材と、両部材を結合する溶接部と、を
もつ筒体の継ぎ手において、前記側部接続部（４、１
７）を周面から突出させて設けた筒体（２）と、該筒体
（２）の先端部の外周形状と略同一形状の接続穴（５）
をもち、前記側部接続部（４、１７）が入る凹部（７、
１９ａ）をボルト穴（６、２０）と位相を異ならせて設
けたフランジ部材（３、１８）と、を備えることを特徴
とする筒体の継ぎ手。1. A cylinder for bending a plate material and connecting side ends of the plate material at side connecting portions in a longitudinal direction, a connection hole into which a tip end portion of the cylinder body is inserted, and a member for connecting to another member. In a joint of a tubular body having a flange member having a plurality of bolt holes and a welded portion connecting both members, the side connecting portions (4, 1) are provided.
7) a cylindrical body (2) provided so as to project from the peripheral surface, and a connection hole (5) having substantially the same shape as the outer peripheral shape of the distal end portion of the cylindrical body (2).
And a concave part (7) into which the side connection part (4, 17) is inserted.
19a) and the bolt holes (6, 20) out of phase
Cylindrical body of the coupling, characterized in that it comprises a girder flange member (3, 18), the.
の側部接続部で結合した筒体と、該筒体の先端部が挿入
される接続穴をもつ接続筒と、両部材を結合する溶接部
と、をもつ筒体の継ぎ手において、前記側部接続部
（４、１７）を周面から突出させて設けた筒体（２′）
と、該筒体（２′）の先端部の外周形状と略同一形状の
内面をもつ継ぎ手部（１２）を設けた接続筒（１１）
と、を備えることを特徴とする筒体の継ぎ手。2. A tubular body in which a plate material is curved and side ends of the plate material are joined by a side connecting portion in a longitudinal direction, a connecting tube having a connecting hole into which a tip end portion of the tubular body is inserted, and both members. A tubular joint (2 ') provided with the side connecting portions (4, 17) projecting from the peripheral surface in a joint of a tubular body having a welded portion for connecting the
And a connection tube (11) provided with a joint section (12) having an inner surface having substantially the same shape as the outer peripheral shape of the tip of the tube body (2 ').
And a tubular joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5167944A JP2670966B2 (en) | 1993-07-07 | 1993-07-07 | Tubular joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5167944A JP2670966B2 (en) | 1993-07-07 | 1993-07-07 | Tubular joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0727267A JPH0727267A (en) | 1995-01-27 |
| JP2670966B2 true JP2670966B2 (en) | 1997-10-29 |
Family
ID=15858948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5167944A Expired - Fee Related JP2670966B2 (en) | 1993-07-07 | 1993-07-07 | Tubular joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2670966B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4545660B2 (en) * | 2005-09-02 | 2010-09-15 | カルソニックカンセイ株式会社 | Silencer structure |
| JP5178373B2 (en) * | 2008-07-25 | 2013-04-10 | 日新製鋼株式会社 | Bonding structure and bonding method between rod-shaped body and plate-shaped body |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5521415A (en) * | 1978-07-28 | 1980-02-15 | Matsushita Electric Works Ltd | Thermosetting resin molding compound |
| JP2946766B2 (en) * | 1990-12-29 | 1999-09-06 | スズキ株式会社 | Catalytic converter |
-
1993
- 1993-07-07 JP JP5167944A patent/JP2670966B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727267A (en) | 1995-01-27 |
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