JP2933202B2 - 熱可塑性材料の成形部品 - Google Patents
熱可塑性材料の成形部品Info
- Publication number
- JP2933202B2 JP2933202B2 JP7131758A JP13175895A JP2933202B2 JP 2933202 B2 JP2933202 B2 JP 2933202B2 JP 7131758 A JP7131758 A JP 7131758A JP 13175895 A JP13175895 A JP 13175895A JP 2933202 B2 JP2933202 B2 JP 2933202B2
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- welding
- molded part
- thermoplastic material
- socket
- 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
Classifications
-
- 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
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
-
- 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
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
- B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
-
- 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
- B29C66/50—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
- 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
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- 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
- B29C66/90—Measuring or controlling the joining process
- B29C66/97—Checking completion of joining or correct joining by using indications on at least one of the joined parts
- B29C66/976—Checking completion of joining or correct joining by using indications on at least one of the joined parts by the use of an indicator pin, e.g. being integral with one of the parts to be joined
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
抵抗線をもつ加熱素子を備えたソケット本体を含む熱可
塑性材料の成形部品に関するものである。
形部品はトイツ連邦共和国 C2-27 60064 号から既知で
ある。この場合、溶接指示具はソケット本体中の円筒形
自由スぺース内に配置された感知ピンからなり、前記ピ
ンは実質上円筒形をなし、溶接の結果として生じるその
変形の前には外周面と同一高さにある先端をもつ。
近して自由スぺースの底に配置される。この溶接指示具
は、自由スぺースの区域でソケット本体の薄壁が溶融し
た時に、前記壁が破られて、溶融した熱可塑性材料が自
由スぺースから脱出するするという欠点をもつ。この溶
融物の移動の結果として、短絡が生じ、従って材料の局
部的過熱と燃焼が起こる。
ことなく十分な溶接がなされたことを指示し、かつ例え
ば射出成型法によって、成形部品の製造と同時に追加の
部品なしに製造できる上述の型式の溶接指示具をもつ成
形部品を提供することにある。
り、前記ソケット本体が溶接継ぎ手が作られた時点を指
示する指示具を備え、前記指示具は凹所内に置かれた少
なくとも1つの弁体を含み、前記弁体は、前記弁体が凹
所の内面の輪郭に一致する外面の輪郭をもつことによ
り、溶接中に増大した圧力を受けた溶融熱可塑性材料が
ソケット本体の周面に流出するのを阻止し、その際前記
内面と外面は溶接中に発生した圧力を受けて一体融着す
ることによって達成される。
規定されている。
明する。
aの端の如き導管素子を連結するための溶接ソケット1
として形成された成形部品を示す。成形物品又はソケッ
ト本体3はその内壁の近くに又は直接その上に加熱素子
4をもち、前記素子は螺旋状に巻かれた抵抗線5からな
る。前記抵抗線の端は電流源をもつ装置に接続するため
に成形本体3の外に延在するか、又はプラグ接点に接続
される。
0が配置される。図2、3から明らかな如く、前記指示
具は弁体13をもち、前記弁体は成形物品又はソケット
本体1の材料から形成される。
形部品の本体に固定されておりそしてその一部が外側に
向かって円錐形にテーパ付きとなっている。好適には弁
体13は少なくとも一部は丸み付き端部をもつ円錐体と
して形成されている。弁体を囲む成形部品の区域11は
弁体に一致した円錐形をなす当接面14をもつ。前記当
接面はソケット本体3の外輪郭の方向に延びて円筒形部
分18に移行する。弁体13の円錐体と当接面14の傾
斜角度αは好適には10°と20°の間にあり、この角
度は射出成形法による製造において、アンダーカット区
域11をも永久変形することなしに型から除去でき、成
形部品を型から除去するのに有利である。
でソケット本体3の外輪郭上に配置され、その結果、型
からのアンダーカット区域11の取り外しが簡単にな
る。
方向に延在しかつフイルムヒンジとして形成された薄い
壁が配置され、それによって弁体13は案内、保持され
る。2つ又はそれ以上の、好適には3つのかかる壁を設
けることができる。
溶接プロセス中に溶融されかつ高圧を及ぼされる熱可塑
性材料は、外方に向かって自由スぺース12内へ圧入さ
れることが防止される。溶接時に弁体13を押し出すこ
とによって、弁体の円錐形面17が区域11の円錐形当
接面14に押し付けられる(図3を参照)。その結果、
溶融した熱可塑性材料の脱出を防ぐバリヤーが形成さ
れ、そして信頼性のある溶接に必要な溶接圧力が可塑性
材料の膨張の結果として発生する。前述の溶融物の移動
は起こらない。ソケット本体3の外輪郭を越えて延び出
る弁体13の先端は溶接が行われたことを指示する。
当接面14と弁体13の円錐形面17間のスロットの幅
によって規定される。従って前記スロットは弁体13の
突出先端が良く目視観察できるような大きさにすべきで
ある。
の起こり得る凹所内への滑り戻りを阻止するために、区
域11は外方に押し出された弁体13中の環状溝に掛合
する環状ビードを備えることができる。その結果、弁体
は押し出された位置に保持される。
は分岐型の成型部品に関連するサドル部品の溶接部分、
又は他の成形部品の溶接部分にに備えることができる。
面図である。
Claims (3)
- 【請求項1】 溶接連結するための抵抗線をもつ加熱素
子を備えたソケット本体を含む熱可塑性材料の成形部品
において、前記ソケット本体が溶接継ぎ手が作られた時
点を指示する指示具を備え、前記指示具は凹所内に置か
れた少なくとも1つの弁体を含み、前記弁体は、前記弁
体が凹所の内面の輪郭に一致する外面の輪郭をもつこと
により、溶接中に増大した圧力を受けた溶融熱可塑性材
料がソケット本体の周面に流出するのを阻止し、その際
前記内面と外面は溶接中に発生した圧力を受けて一体融
着することを特徴とする成形部品。 - 【請求項2】 弁体(13)は、少なくとも部分的に、
丸み付き端部をもつ円錐体として形成されることを特徴
とする請求項1に記載の成形部品。 - 【請求項3】 弁体(13)上の円錐形面(14、1
7)の傾斜角度(α)は10°と20°の間にあること
を特徴とする請求項1又は2に記載の成形部品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01854/94A CH688489A5 (de) | 1994-06-13 | 1994-06-13 | Formteil aus einem thermoplastischen Kunststoff. |
CH01854/94-7 | 1994-06-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07329185A JPH07329185A (ja) | 1995-12-19 |
JP2933202B2 true JP2933202B2 (ja) | 1999-08-09 |
Family
ID=4220165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7131758A Expired - Fee Related JP2933202B2 (ja) | 1994-06-13 | 1995-05-30 | 熱可塑性材料の成形部品 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6198081B1 (ja) |
EP (1) | EP0698474B1 (ja) |
JP (1) | JP2933202B2 (ja) |
CH (1) | CH688489A5 (ja) |
DE (1) | DE59507276D1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT244388Y1 (it) * | 1998-11-23 | 2002-03-11 | Nupi S P A | Raccordi per tubi a doppia parete |
US7614661B1 (en) * | 1999-09-14 | 2009-11-10 | Petro Technik Limited | Welding socket |
US9285063B2 (en) | 2013-06-22 | 2016-03-15 | Mark L. Jones | Connection fitting for connecting thermoplastic pipes |
CA2828855C (en) | 2013-09-27 | 2020-06-09 | G.B.D. Corp. | Method and apparatus for connecting pipes |
CA2829075C (en) | 2013-09-27 | 2020-09-01 | G.B.D. Corp. | Pipe joining material for connecting pipes |
CA2829041C (en) | 2013-09-27 | 2020-06-09 | G.B.D. Corp. | Pipe sealing tool and methods for use |
CA2829002C (en) | 2013-09-27 | 2020-06-09 | G.B.D. Corp. | Pipe cutting tool and methods for use |
EP2873513B1 (de) | 2013-11-19 | 2017-11-15 | Georg Fischer Rohrleitungssysteme AG | Elektroschweissrohrverbindungsformteil |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4018396C1 (en) | 1990-06-08 | 1991-10-02 | Friedrichsfeld Gmbh Keramik- Und Kunststoffwerke, 6800 Mannheim, De | Weld fitting of thermoplastic weldable material - comprises thermal conductor and cut=out section open externally with display pin and annular display gap for sealing |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117311A (en) * | 1976-03-22 | 1978-09-26 | Von Roll Ag. | Electric welding muff |
US4313053A (en) * | 1980-01-02 | 1982-01-26 | Von Roll A.G. | Welding sleeve of thermoplastic material |
CH648393A5 (de) * | 1980-08-29 | 1985-03-15 | Werner Sturm | Elektro-schweissmuffe aus einem thermoplast zum verbinden von leitungselementen aus thermoplast. |
US4626308A (en) * | 1983-02-18 | 1986-12-02 | The Victaulic Company Plc | Method of making welded pipe joints |
AU581014B2 (en) * | 1984-08-28 | 1989-02-09 | Von Roll Ag | Weldable connecting member for connecting or joining thermoplastic pipe elements |
CA1321626C (en) * | 1988-07-21 | 1993-08-24 | Naotake Uda | Electrofusion of electrofusion joint, method of confirming state of fusion and fusion joint suitable for use in the methods |
EP0399081B1 (de) * | 1989-05-26 | 1993-10-27 | Streng Plastic AG | Schweissmuffe, mit einem thermoplastischen Materialanteil |
-
1994
- 1994-06-13 CH CH01854/94A patent/CH688489A5/de not_active IP Right Cessation
-
1995
- 1995-05-12 EP EP95107211A patent/EP0698474B1/de not_active Expired - Lifetime
- 1995-05-12 DE DE59507276T patent/DE59507276D1/de not_active Expired - Lifetime
- 1995-05-30 JP JP7131758A patent/JP2933202B2/ja not_active Expired - Fee Related
- 1995-06-13 US US08/490,046 patent/US6198081B1/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4018396C1 (en) | 1990-06-08 | 1991-10-02 | Friedrichsfeld Gmbh Keramik- Und Kunststoffwerke, 6800 Mannheim, De | Weld fitting of thermoplastic weldable material - comprises thermal conductor and cut=out section open externally with display pin and annular display gap for sealing |
Also Published As
Publication number | Publication date |
---|---|
CH688489A5 (de) | 1997-10-15 |
US6198081B1 (en) | 2001-03-06 |
DE59507276D1 (de) | 1999-12-30 |
EP0698474B1 (de) | 1999-11-24 |
JPH07329185A (ja) | 1995-12-19 |
EP0698474A1 (de) | 1996-02-28 |
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