JPS606434A - パイプユニツトの接合方法 - Google Patents

パイプユニツトの接合方法

Info

Publication number
JPS606434A
JPS606434A JP11282183A JP11282183A JPS606434A JP S606434 A JPS606434 A JP S606434A JP 11282183 A JP11282183 A JP 11282183A JP 11282183 A JP11282183 A JP 11282183A JP S606434 A JPS606434 A JP S606434A
Authority
JP
Japan
Prior art keywords
spigot
bell
section
adhesive
pipe unit
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
Application number
JP11282183A
Other languages
English (en)
Inventor
Toshio Takeuchi
竹内　敏雄
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.)
Fuji Kako Inc
Original Assignee
Fuji Kako Inc
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 Fuji Kako Inc filed Critical Fuji Kako Inc
Priority to JP11282183A priority Critical patent/JPS606434A/ja
Publication of JPS606434A publication Critical patent/JPS606434A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
    • F16L58/185—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings for joints with sleeve or socket
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like
    • B29C65/5014—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like being fibre-reinforced
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
    • B29C65/546—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts by gravity, e.g. by pouring
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/324—Avoiding burr formation
    • B29C66/3242—Avoiding burr formation on the inside of a tubular or hollow article
    • 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
    • B29C66/342—Preventing air-inclusions
    • 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
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • 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
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • 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
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
    • B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
    • 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
    • B29C66/63—Internally supporting the article during joining
    • B29C66/636—Internally supporting the article during joining using a support which remains in the joined object
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
    • B29C65/542—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts by injection
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
    • B29C65/548—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts by capillarity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は大口径の合成樹脂製パイプユニットの接合法
、特にベル　アンド　スピゴット接合法に関する。
〔従来技術〕
従来、煙突は高温（１５０〜２００℃）で煙を排出して
いたため、材質のコンクリートあるいは鉄の腐食はほと
んど考えられなかった。ところが近年、公害防止のため
Ｂｏｘ及びＮＯｘの除去が必要とな９、排煙脱硫装置等
が設置されるようになった。そしてＳＯ，等の除去方式
が湿式方式の場合、排煙脱硫装置の排ガス出口温度は６
０〜７０℃と低くな９、又、前記ＳＯＸ及びＮＯｘの完
全な除去が困難なため、煙道あるいは煙突の内面に付着
する水滴が濃縮し、強酸性の液となシ在来のコンクリー
トあるいは鉄等が腐食される傾向がみられる。
この腐食対策として、２イニング方式あるいは既設煙突
内に耐食性の繊維強化プラスチック（以下ＦＲＰと略称
する）製のパイプを挿入する方式があるが、信頼性（強
度安全性等）及び工期の点でＦＲＰパイプ挿入方式が採
用される方向になシ９つあるつまた煙突自体をＦＲＰ製
パイプで製造するとか、或いは各種のダクトもＦＲＰ製
パイプで製造されるようになって来ている。
ＦＲＦ製パイプの接合法としては、テーパー接着接合法
、ＢＵＴＴ　接合法、フランジ接合法、メカニカルジヨ
イント法、ベル　アンド　スピゴット接合法、　ベルマ
ウステーパー接合法等種々あるが、大口径のパイプ接合
法としては、ベル（ソケットフ　アンド　スピゴット（
差込み］接合法が最も適しており、この方法が採用され
ている。特に既説煙突内にＦＲＰ　ｊｌＪパイプを挿入
する場合には、該パイプと煙突内壁との間隙を出来るだ
け小さくしなければならない関係上フランジ接合法は不
適当であシ、またベル　アンド　スピゴット接合法以外
の接合法では施工の面或いは接合強度の問題があるため
に、大口径のＦＲＰ製パイプの接合法としては、通常ベ
ルアンド　スピゴット接合法が採用されている。
第１図乃至第３図は従来のベル　アンド　スピゴット接
合方法を示す断面概略図であシ、第１図は接合前の状態
を、第２図及び第３図は接合後の状態を示す。そして符
号１はベル部、１′はベル底部、２はパイプユニット本
体、５はスピゴット部、５はスピゴット部の下端面、４
（第２図、第３図参照λは接着剤、６（第３図参照ンは
内面積層部を示す。
従来法においては、−のパイプユニットのスピゴット部
３の外面及び他のパイプユニットのベル部１の内面をサ
ンディング又はブラスト加工した後スピゴット部の外面
又はベル部の内面に接着用樹脂パテ（以下樹脂パテとい
う］を塗布してスピゴット部をベル部に挿入しているが
、スピゴット部とベル部の挿入クリアランスを１−又は
それ以上とっても塗布した樹脂パテが押し出されたり或
いは塗布した樹脂パテが不均一になったシして樹脂パテ
が完全に入らない為、通常樹脂パテが完全に入った場合
の１０〜１５チ程度しか有効に作用しない場合が多かっ
た。
従ってパイプユニットの接合部からガス漏れが生ずるだ
けでなく、スピゴット部の下端面５０部分はＦＲＰ中の
ガラス繊維等の切断面が露出している場合が多い為、こ
の部分から腐食される傾向があった。この欠点を防止す
るために上記のようにしてパイプユニットを接合した後
第３図に示すようにスピゴット部３の下端面５とベル底
部１′との接触部を被覆するようにパイプ接合部内面に
ＦＲＰよシなる積層部６を形成することも行われている
。この場合、ＦＲＰによる内面積層部６を形成し易くす
る為に、スピゴット部内面及びベル部の下部内面に予め
テンディング又はプラスト加工を施しておくのが好まし
いことはいうまでもない。
〔発明の目的〕
仁の発明は、ベル　アンド　スピゴット方式により複数
のパイプユニットを接合する方法であって、従来法に比
し接合部を設計面積のとおり完全に接着すると共に接合
作業を能率的に行う方法を提供するものである。
〔発明の構成〕
この発明は、ベル　アンド　スピゴット接合方式によシ
、複数の繊維強化プラスチツク製パイプユニットを接着
剤によシ垂直方向に接合する方法において、−のパイプ
ユニットのスピゴット部を他のパイプユニットのベル部
に挿入した後スピゴット部下端面とベル底部との接触部
を被覆する′ように耐食層を設けその後スピゴット部と
ベル部との間隙に接着剤を注入することを特徴とするパ
イプユニットの接合方法である。
次に図面に基づいて本発明を更に詳しく説明する。
第４図は本発明の詳細な説明するための図面であって、
符号１〜５及び５．６は第１図〜第３図と同じ意味を有
し、７はベル部とスピゴット部の間隙を、８はベル開口
部に接着テープ等で作った堰を示す。本発明の方法にお
いては、先ツ、−のパイプユニットのスピゴット部を他
のパイプユニットのベル部に挿入した後絞スピゴット部
の端面５とベル底部１′との接触部を被覆するようにパ
イプの接合部内面にＦＲＰよりなる内面積層部６を設け
る。この内面積層部６は、紐状のガラス繊維製織布にパ
イプユニット製造時に用いられるものと同一の不飽和ポ
リエステル樹脂又はエポキシ樹脂よシつくられた接着剤
を含浸せしめながら、筒身の接合部内面に接着して行き
、通常は３層程度積層した後硬化させる。ついでベル部
１とスピゴット部６の間隙７に０．３ボイズ〜２０ボイ
ズの低粘度の接着剤を注入する。本発明においてはこの
ように低粘度の接着剤を使用するため、スピゴット部と
ベル部との間隙内に接着剤をスムースに注入でき、しか
も接着剤は注入した位置よシ重力によシ下方に流れ、先
づスピゴットの下端面５の部分に達し、つｂで、Ｆｌ［
７の下方の部分から、空気を排除しながら次第に上部へ
向って間隙が満たされるため、該間隙を完全に接着剤で
満たすことができるばかりでなく、前にも述べたように
間隙を１〜２−と極めて狭くすることも出来るので接着
剤が小量ですみ、しかも強大な接着力が得られる。用い
る接着剤としては、パイプユニット製造に用いられたも
のと同じ不飽和樹脂製のもの、例えばパイプがポリエス
テル樹脂製のものであるときは、不飽和ポリエステル樹
脂製又はエポキシ樹脂製の接着剤を用いるのが好ましい
。
ベル部とスピゴット部の接着性或いは内面積層部６と前
身との接着性を向上させる為に、スピゴット部をベル部
に挿入する前に、スピゴット部の外面、ベル部の内面、
スピゴット部内面及びベル部の下方内面をサンディング
又はプラスト加工によシ粗面にしておくのが好ましい。
実施例 直径５５０ｃｒｎ１厚さ２．７　ｃｍ　、長さ１０ｍで
、ベル部の長さ７５ｃＷＩのガラス繊維強化ポリエステ
ル樹脂製パイプユニットのベル部内面及びベル部の下方
内面をサンドブラストした後、該ベル部にスピゴット部
の外面及び内面をサンドブラストしたパイプユニットの
スピゴット部を挿入した。ベル部とスピゴット部の間隙
は３〜５■であった。つぎに巾１５〜５０ｃｒｎの紐状
ガラス＃Ｍ布に不飽和ポリエステル系接着剤（商品名　
デラケーン４７０−３６、ダウケミカル日本株式会社Ｓ
＞を含浸させながら、スピゴット下端面５とベル底面と
の接触部を被覆するように両パイプの接触部内面に３層
に積層して内面積層部６を形成すると共に接着剤の注入
を容易にするために粘着テープでベル開口部に堰８を形
成した。つぎに粘度２，０ポイズの不飽和ポリエステル
系接着剤（商品名　デラケーン４７０−５６、ダウケミ
カル日本株式会社Ｍ）１ｋｌ！／分の割合で注入した約
１０分後にベル部とスピゴット部の間隙は接着剤により
満たされた。その後室温に放置することによシ接着剤を
硬化させた。
〔発明の効果〕
本発明においては、接着剤を適用すべき空間に完全に接
着剤を注入できるので、従来法に比し完全にスピゴット
部とベル部を接着することができ、又スピゴット部とベ
ル部の間隙を小さくすることができるので、接着剤の使
用量を節約しうる。と共に作業性が従来の％〜％に改善
される。
【図面の簡単な説明】
第１図乃至第３図は煙突内筒用前身を接合する従来方法
を説明するだめの夫々２本の筒身の断面図、第４図は本
発明方法を説明するための断面図を示す。 １・・ベル部、２・・筒身ユニット、３・・スピゴット
部、４・・接着剤、５・・スピゴット部の下部端面、６
・・内面積層部、７・・ベル部とスピゴット部の間隙、
８・・堰 出願人　富士化工株式会社 代理人　中　本　宏 同　井　上　昭 同　吉　嶺　桂 第１　図　第　２　図 第３図　第。図

Claims (1)

    【特許請求の範囲】
  1. １、　ベル　アンド　スピゴット接合方式によシ、複数
    の繊維強化プラスチツク製パイプユニットを接着剤によ
    シ垂直方向に接合する方法において、−のパイプユニッ
    トのスピゴット部を他のパイプユニットのベル部に挿入
    した後スピゴット部下端面とベル底部との接触部を被覆
    するように耐食層を設けその後スピゴット部とベル部と
    の間隙に接着剤を注入することを特徴とするパイプユニ
    ットの接合方法。
JP11282183A 1983-06-24 1983-06-24 パイプユニツトの接合方法 Pending JPS606434A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11282183A JPS606434A (ja) 1983-06-24 1983-06-24 パイプユニツトの接合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11282183A JPS606434A (ja) 1983-06-24 1983-06-24 パイプユニツトの接合方法

Publications (1)

Publication Number Publication Date
JPS606434A true JPS606434A (ja) 1985-01-14

Family

ID=14596373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11282183A Pending JPS606434A (ja) 1983-06-24 1983-06-24 パイプユニツトの接合方法

Country Status (1)

Country Link
JP (1) JPS606434A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001019936A1 (en) * 1999-09-16 2001-03-22 Bae Systems Plc A method of producing a joint
US7510623B2 (en) * 2003-08-13 2009-03-31 Dow Global Technologies, Inc. Method for joining piping systems and piping to equipment, fixtures, devices, structures, and appliances

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5684914A (en) * 1979-12-13 1981-07-10 Hitachi Cable Ltd Method and device for connecting pipes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5684914A (en) * 1979-12-13 1981-07-10 Hitachi Cable Ltd Method and device for connecting pipes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001019936A1 (en) * 1999-09-16 2001-03-22 Bae Systems Plc A method of producing a joint
US6558503B1 (en) 1999-09-16 2003-05-06 Bae Systems Plc Method of producing a joint
US7510623B2 (en) * 2003-08-13 2009-03-31 Dow Global Technologies, Inc. Method for joining piping systems and piping to equipment, fixtures, devices, structures, and appliances

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