JPH04163029A - Processing method of branched pipe joint - Google Patents
Processing method of branched pipe jointInfo
- Publication number
- JPH04163029A JPH04163029A JP2286302A JP28630290A JPH04163029A JP H04163029 A JPH04163029 A JP H04163029A JP 2286302 A JP2286302 A JP 2286302A JP 28630290 A JP28630290 A JP 28630290A JP H04163029 A JPH04163029 A JP H04163029A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- short
- tube
- rubber ring
- original
- 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
Links
- 238000003672 processing method Methods 0.000 title claims 2
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
- B29D23/003—Pipe joints, e.g. straight joints
- B29D23/008—T-joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
- B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
- B29C66/52241—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
- B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は分岐管継手の加工方法に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a method for processing a branch pipe joint.
［従来の技術］
従来、原管１に分岐管接続用の受口短管２を取着するに
際し、第８図もしくは第９図の分岐管継手か提案されて
いる。[Prior Art] Conventionally, when attaching a short socket pipe 2 for connecting a branch pipe to a master pipe 1, a branch pipe joint as shown in FIG. 8 or 9 has been proposed.
第８図のものは、原管１の外周部にサドル３を密着する
如くに接着し、このサドル３に受口短管２を取着するこ
ととしている。尚、第８図のものは、原管１の外周部に
リブＩＡを備えており、サドル３はこのリブ形状に密着
するように形成される。In the case shown in FIG. 8, a saddle 3 is adhered to the outer periphery of the original tube 1 so as to be in close contact with the saddle 3, and a short socket tube 2 is attached to the saddle 3. The one shown in FIG. 8 is provided with a rib IA on the outer circumference of the original tube 1, and the saddle 3 is formed so as to closely fit this rib shape.
第９図のものは、原管１の外周部にゴムシール材４を挟
む如くにサドル５を接着し、このサドル５に受口短管２
を取着することとしている。In the case shown in FIG. 9, a saddle 5 is glued to the outer periphery of the original tube 1 with a rubber sealing material 4 sandwiched therebetween, and a short socket tube 2 is attached to the saddle 5.
We are planning to install the following.
［発明が解決しようとする課題］
然しなから、上述の従来技術には下記■〜■の問題点か
ある。[Problems to be Solved by the Invention] However, the above-mentioned prior art has the following problems.
■受口短管２かサドル３．５を介して原管１に取着され
るものてあり、取着強度が低い。■It is attached to the original tube 1 via the socket short tube 2 or the saddle 3.5, and the attachment strength is low.
■サドル３．５か原管１に接着され、受口短管２かサド
ル３．５に固定的に取着されるものであり、原管１に対
する受口短管２の取着部に可撓性と水蜜性とを併せ持た
せることかてきない。■It is glued to the saddle 3.5 or the original tube 1, and fixedly attached to the short socket tube 2 or the saddle 3.5, and can be attached to the attachment part of the short socket tube 2 to the original tube 1. It is impossible to combine flexibility and water retention.
■原管１の外周部にリフＩＡを有するとき、リブ形状に
密着するサドル３を形成したり、リブ回りにゴムシール
材４を充填する必要かあり、加工複雑である。(2) When the rift IA is provided on the outer periphery of the raw tube 1, it is necessary to form a saddle 3 that closely fits the shape of the rib, and to fill the area around the rib with a rubber sealing material 4, making the process complicated.
本発明は、原管に対する受口短管の取着部において、取
着強度を向上し、且つ可撓性と水蜜性を併せ持たせ、継
手の信頼性を向上することを目的とする。The object of the present invention is to improve the attachment strength of the attachment portion of the short socket pipe to the original tube, and to provide both flexibility and tightness, thereby improving the reliability of the joint.
また、本発明は、原管か管本体の外周部にリフを有する
ものにあっても、簡素な加工により、取着強度を向上し
、且つ可撓性と水密性を併せ持たせ、継手の信頼性を向
上することを目的とする。In addition, the present invention improves the attachment strength through simple processing, and combines flexibility and watertightness, even if the pipe has a rift on the outer periphery of the original pipe or the pipe body. The purpose is to improve reliability.
［課題を解決するための手段］
請求項１に記載の本発明は、原管に分岐管接続用の受口
短管を取着する分岐管継手の加工方法において、該原管
に取着口を穿孔し、該取着口の周縁部にゴム輪を被着す
ると共に、該原管内に短管先端加工型を挿入し、短管先
端を加熱軟化させて上記ゴム輪内に圧太し、且つ該短管
先端を上記短管先端加工型にて上記ゴム輪を包み込む如
くに該取着口の周縁部に圧着するようにしだものである
。[Means for Solving the Problems] The present invention as set forth in claim 1 provides a method for processing a branch pipe joint in which a short socket pipe for connecting a branch pipe is attached to a master pipe. and attaching a rubber ring to the peripheral edge of the attachment opening, inserting a short tube tip processing mold into the original tube, heating and softening the short tube tip and compressing it into the rubber ring, Further, the tip of the short tube is crimped onto the peripheral edge of the attachment opening so as to wrap around the rubber ring using the short tube tip processing mold.
請求項２に記載の本発明は、前記原管か管本体の外周部
にリフを有するものてあり、該原管の取着口回りのリフ
を切除した状態て、前記ゴム輪及び前記受口短管を取着
するようにしだものである。The present invention according to claim 2 is characterized in that the original tube has a ridge on the outer periphery of the tube body, and when the ridge around the attachment opening of the original tube is removed, the rubber ring and the socket can be removed. It is designed to attach a short pipe.
［作用］
請求項１に記載の本発明によれば、下記■、■の作用か
ある。[Action] According to the present invention as set forth in claim 1, there are the following effects (1) and (2).
■受口短管の先端か原管に設けた取着口の周縁部に直接
的に圧着されるものてあり、取着強度を向上てきる。■It is crimped directly to the tip of the short tube or to the periphery of the attachment port provided in the original tube, improving the attachment strength.
■受口短管の先端が、ゴム輪を介して、原管の取着口に
圧着されるものてあり、可撓性と水密性を併せ持たせる
ことかてきる。■The tip of the short socket tube is crimped to the attachment port of the original tube via a rubber ring, making it both flexible and watertight.
請求項２に記載の本発明によれば、下記■の作用かある
。According to the present invention as set forth in claim 2, there is the following effect (2).
■原管が管本体の外周部にリブを有するものてあっても
、該原管の取着口回りのリフを切除するという簡素な加
工により、取着強度を向上し、且っ可撓性と水密性を併
せ持たせ、継手の信頼性を向上することかてきる。■Even if the original tube has ribs on the outer periphery of the tube body, the simple process of cutting out the riffs around the attachment opening of the original tube improves the attachment strength and flexibility. By combining this with watertightness, it is possible to improve the reliability of the joint.
［実施例］
第１図（Ａ）は本発明による加工過程を示す断面図、第
１図（Ｂ）は本発明による分岐管継手を示す断面図、第
２図は第１図（Ａ）の■−■線に沿う矢視図、第３図は
第１図（Ｂ）の外観図、第４図は受口短管を示す正面図
、第５図は加工型を示す正面図、第６図は本発明による
他の分岐管継手を示す断面図、第７図は第６図の外観図
である。[Example] FIG. 1(A) is a sectional view showing the processing process according to the present invention, FIG. 1(B) is a sectional view showing a branch pipe joint according to the present invention, and FIG. Fig. 3 is an external view of Fig. 1 (B), Fig. 4 is a front view showing the socket short pipe, Fig. 5 is a front view showing the processing die, Fig. 6 The figure is a sectional view showing another branch pipe joint according to the present invention, and FIG. 7 is an external view of FIG. 6.
本発明の分岐管継手１０は、第１図〜第３図に示す如く
、原管１１に分岐管接続用の受口短管１２を取着するも
のてあり、取着部品としてゴム輪１３、圧縮リンク１４
を用い、取着工具として加工型１５を用いて加工される
。As shown in FIGS. 1 to 3, the branch pipe joint 10 of the present invention has a short socket pipe 12 for connecting the branch pipe attached to the original pipe 11, and a rubber ring 13, compression link 14
It is processed using a processing die 15 as a mounting tool.
ここて、受口短管１２は、第４図に示す如く、小径首部
１６と大径受口部１７とを有する。首部１６の首長さａ
は、原管１１の肉厚、ゴム輪１３の厚み、圧縮リンク１
４の厚み、及び受口短管１２の先端折り返し長さの総和
である。尚、受口部１７は分岐管との間に介装されるゴ
ム輪のためのゴム輪装着部１８を備える。Here, the short socket pipe 12 has a small diameter neck part 16 and a large diameter socket part 17, as shown in FIG. Length a of neck 16
are the wall thickness of the original tube 11, the thickness of the rubber ring 13, and the compression link 1.
4 and the length of the tip of the short socket tube 12 that is folded back. Incidentally, the socket part 17 includes a rubber ring mounting part 18 for a rubber ring interposed between the socket part 17 and the branch pipe.
また、ゴム輪１３は、原管１１に設けられる取着口１１
Ａの周縁部に被着されるような、Ｃ字状断面の連続体で
ある。Further, the rubber ring 13 is connected to a fitting opening 11 provided in the original tube 11.
It is a continuous body with a C-shaped cross section that is attached to the peripheral edge of A.
また、加工型１５は、第５図に示す如く、油圧ジヤツキ
２１とつば部２２と短管導入部２３とを有する。加工型
１５は原管１１内に挿入して用いられ、ジヤツキ２１は
つば部２２を原管１１の取着口１１Ａ回りの内面に押付
け、且つ短管導入部２３を取着口１１Ａ内に設定する。Further, the processing mold 15 has a hydraulic jack 21, a collar portion 22, and a short pipe introduction portion 23, as shown in FIG. The processing die 15 is used by being inserted into the main tube 11, and the jack 21 presses the collar 22 against the inner surface of the main tube 11 around the attachment opening 11A, and sets the short tube introduction part 23 inside the attachment opening 11A. do.
つば部２２は加熱軟化状態て取着口１１Ａ内に圧入され
てくる受口短管１２の先端を、ゴム輪１３を包み込む如
くに取着口１１Ａの周縁部に強く折り返して圧着せしめ
る。このとき、短管導入部２３は取着口１１Ａ内に圧入
されてくる受口短管１２の先端内径部をガイドする。The flange portion 22 strongly folds back and press-fits the tip of the short socket tube 12, which is heated and softened and press-fitted into the fitting port 11A, to the peripheral edge of the fitting port 11A so as to wrap around the rubber ring 13. At this time, the short pipe introducing portion 23 guides the inner diameter portion of the tip of the short socket pipe 12 that is press-fitted into the fitting port 11A.
尚、加工型１５のつば部２２は、原管１１における取着
口１１Ａ回りの内面半径Ｒに沿う同一半径Ｒの着座面２
２Ａと、短管導入部２３の基部口りに設けられて受口短
管１２の肉厚の約３倍の深さｈを持つ折り返し加工溝２
２Ｂとを備える。短管導入部２３の直径ｄは平均管内径
より０．５〜１．０ｍｍ小径とし、つば部２２の直径り
はｒＤ＝ｄ＋４ｈ」とする。The flange 22 of the processing die 15 has a seating surface 2 of the same radius R along the inner radius R around the attachment port 11A of the original pipe 11.
2A, and a folded groove 2 provided at the base opening of the short pipe introduction part 23 and having a depth h approximately three times the wall thickness of the short pipe 12.
2B. The diameter d of the short pipe introduction part 23 is 0.5 to 1.0 mm smaller than the average pipe inner diameter, and the diameter of the collar part 22 is rD=d+4h.
尚、上記原管１１は、管本体１１Ｂの外周部にリブ１１
Ｃを有している。The original tube 11 has ribs 11 on the outer circumference of the tube body 11B.
It has C.
以下、上記分岐管継手１０の加工手順について説明する
。Hereinafter, the processing procedure for the branch pipe joint 10 will be explained.
（１）原管１１に取着口１１Ａを穿孔し、且つ原管１１
の取着口１１Ａ回りのリブ１１Ｃを切除する。(1) Drill the attachment port 11A in the original tube 11, and
Remove the rib 11C around the attachment opening 11A.
（２）取着口１１Ａの周縁部にゴム輪１３を被着する。(2) Attach the rubber ring 13 to the peripheral edge of the attachment port 11A.
（３）原管１１内に加工型１５を挿入する。(3) Insert the processing die 15 into the original tube 11.
（４）受口短管１２の先端を加熱軟化させ、不図示のプ
レス機により上記ゴム輪１３内に圧入し、且つ受口短管
１２の先端を加工型１５にて上記ゴム′輪１３を包み込
む如くに取着口１１Ａの周縁部に圧着する。尚、受口短
管１２の首部１６の基部には圧縮リンク１４か装着され
ている。(4) The tip of the short socket tube 12 is heated and softened, and then press-fitted into the rubber ring 13 using a press machine (not shown). Press it to the peripheral edge of the attachment opening 11A so as to wrap it around it. A compression link 14 is attached to the base of the neck 16 of the short socket pipe 12.
上記実施例によれば、下記■〜■の作用かある。According to the above embodiment, the following effects (1) to (4) are achieved.
■受口短管１２の先端か原管１１に設けた取着口１１Ａ
の周縁部に直接的に圧着されるものてあり、取着強度を
向上てきる。■Attachment port 11A provided at the tip of the short socket pipe 12 or the main pipe 11
It is directly crimped to the peripheral edge of the holder, improving the attachment strength.
■受口短管１２の先端か、ゴム輪１３を介して、原管１
１の取着口１１Ａに圧着されるものてあり、可撓性と水
密性を併せ持たせることかてきる。■ At the tip of the short socket pipe 12 or through the rubber ring 13,
1 is crimped onto the attachment opening 11A, and can provide both flexibility and watertightness.
■原管１１が管本体１１Ｂの外周部にリブ１１Ｃを有す
るものの、該原管１１の取着口１１Ａ回りのリブ１１Ｃ
を切除するという簡素な加工により、取着強度を向上し
、且つ可撓性と水密性を併せ持たせ、継手の信頼性を向
上することかてきる。■Although the original tube 11 has a rib 11C on the outer periphery of the tube body 11B, the rib 11C around the attachment opening 11A of the original tube 11
By the simple process of cutting out the joint, it is possible to improve the attachment strength, combine flexibility and watertightness, and improve the reliability of the joint.
第６図、第７図に示す分岐管継手３０が上記分岐管継手
１０と異なる点は、原管１１か管本体１１Ｂの外周部に
リブを有しない、ストレート管であることのみにある。The branch pipe joint 30 shown in FIGS. 6 and 7 differs from the branch pipe joint 10 described above only in that it is a straight pipe without ribs on the outer periphery of the original pipe 11 or the pipe body 11B.
即ち、本発明は、原管かリブを有しないストレート管で
ある場合にも、原管に対する受口短管の取着部において
、取着強度を向上し、且つ可撓性と水密性を併せ持たせ
、継手の信頼性を向上することかできる。That is, the present invention improves the attachment strength at the attachment part of the short socket pipe to the original pipe even when the original pipe is a straight pipe without ribs, and combines flexibility and watertightness. This can improve the reliability of the joint.
［発明の効果］
以上のように、請求項１に記載の本発明によれば、原管
に対する受口短管の取着部において、取着強度を向上し
、且つ可撓性と水密性を併せ持たせ、継手の信頼性を向
上することがてきる。[Effects of the Invention] As described above, according to the present invention as set forth in claim 1, the attachment strength is improved and the flexibility and watertightness are improved at the attachment portion of the short socket pipe to the original tube. In combination, the reliability of the joint can be improved.
また、請求項２に記載の本発明によれば、原管が管本体
の外周部にリブを有するものにあっても、簡素な加工に
より、取着強度を向上し、且つ可撓性と水密性を併せ持
たせ、継手の信頼性を向上することがてきる。Furthermore, according to the present invention as set forth in claim 2, even if the original tube has ribs on the outer periphery of the tube body, the attachment strength can be improved through simple processing, and flexibility and watertightness can be achieved. It is possible to improve the reliability of the joint.
第１図（Ａ）は本発明による加工過程を示す断面図、第
１図（Ｂ）は本発明による分岐管継手を示す断面図、第
２図は第１図（Ａ）の■−■線に沿う矢視図、第３図は
第１図（Ｂ）の外観図、第４図は受口短管を示す正面図
、第５図は加工型を示す正面図、第６図は本発明による
他の分岐管継手を示す断面図、第７図は第６図の外観図
、第８図は従来の分岐管継手を示す断面図、第９図は従
来の他の分岐管継手を示す断面図である。
１０．３０・・・分岐管継手、
１１・・・原管、
１１Ａ・・・取着口、
１１Ｂ・・・管本体、
１１Ｃ・・・リブ、
１２・・・受口短管、
１３・・・ゴム輪、
１５・・・加ニー型。
特許出願人 積水化学工業株式会社
代表者 廣 １） 馨
菓１図（Ａ）
■
第２図
第３図
第４図 −第５図
第８図 第９図FIG. 1(A) is a cross-sectional view showing the processing process according to the present invention, FIG. 1(B) is a cross-sectional view showing the branch pipe joint according to the present invention, and FIG. 2 is the line ■-■ of FIG. 1(A). Fig. 3 is an external view of Fig. 1 (B), Fig. 4 is a front view showing the socket short pipe, Fig. 5 is a front view showing the processing die, and Fig. 6 is the present invention. 7 is an external view of FIG. 6, FIG. 8 is a sectional view of a conventional branch pipe joint, and FIG. 9 is a cross section of another conventional branch pipe joint. It is a diagram. 10.30... Branch pipe joint, 11... Original pipe, 11A... Fitting port, 11B... Pipe body, 11C... Rib, 12... Socket short pipe, 13...・Rubber ring, 15...knee type. Patent Applicant: Sekisui Chemical Co., Ltd. Representative Hiroshi 1) Kaoruka Figure 1 (A) ■ Figure 2 Figure 3 Figure 4 - Figure 5 Figure 8 Figure 9
Claims (2)
継手の加工方法において、該原管に取着口を穿孔し、該
取着口の周縁部にゴム輪を被着すると共に、該原管内に
短管先端加工型を挿入し、短管先端を加熱軟化させて上
記ゴム輪内に圧入し、且つ該短管先端を上記短管先端加
工型にて上記ゴム輪を包み込む如くに該取着口の周縁部
に圧着することを特徴とする分岐管継手の加工方法。(1) In the processing method for a branch pipe joint in which a short socket pipe for connecting a branch pipe is attached to a master pipe, an attachment port is drilled in the master pipe, and a rubber ring is placed around the periphery of the connection port. At the same time, a short tube tip processing die is inserted into the original tube, the short tube tip is heated and softened, and then press-fitted into the rubber ring, and the short tube tip is inserted into the rubber ring using the short tube tip processing die. A method for processing a branch pipe joint, characterized in that the branch pipe joint is crimped onto the peripheral edge of the fitting so as to wrap around the joint.
あり、該原管の取着口回りのリブを切除した状態て、前
記ゴム輪及び前記受口短管を取着する請求項１記載の分
岐管継手の加工方法。(2) The original tube has a rib on the outer periphery of the tube body, and the rubber ring and the socket short tube are attached with the ribs around the attachment opening of the original tube removed. A method for processing a branch pipe joint according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2286302A JPH0741676B2 (en) | 1990-10-23 | 1990-10-23 | Processing method of branch pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2286302A JPH0741676B2 (en) | 1990-10-23 | 1990-10-23 | Processing method of branch pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04163029A true JPH04163029A (en) | 1992-06-08 |
| JPH0741676B2 JPH0741676B2 (en) | 1995-05-10 |
Family
ID=17702623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2286302A Expired - Fee Related JPH0741676B2 (en) | 1990-10-23 | 1990-10-23 | Processing method of branch pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0741676B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630975A (en) * | 1993-11-05 | 1997-05-20 | Nyloplast Europe B.V. | Method and a device for joining at least two plastic elements in a liquid- and/or gastight manner |
| EP1070902A2 (en) | 1999-07-22 | 2001-01-24 | Etex | Branch pipe and method of manufacturing the same |
| KR100664383B1 (en) * | 2004-09-10 | 2007-01-02 | 주식회사 만도 | Separator tube of damping force adjustable shock absorber |
-
1990
- 1990-10-23 JP JP2286302A patent/JPH0741676B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630975A (en) * | 1993-11-05 | 1997-05-20 | Nyloplast Europe B.V. | Method and a device for joining at least two plastic elements in a liquid- and/or gastight manner |
| EP1070902A2 (en) | 1999-07-22 | 2001-01-24 | Etex | Branch pipe and method of manufacturing the same |
| KR100664383B1 (en) * | 2004-09-10 | 2007-01-02 | 주식회사 만도 | Separator tube of damping force adjustable shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0741676B2 (en) | 1995-05-10 |
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