JPH0564583B2 - - Google Patents

Info

Publication number
JPH0564583B2
JPH0564583B2 JP19043987A JP19043987A JPH0564583B2 JP H0564583 B2 JPH0564583 B2 JP H0564583B2 JP 19043987 A JP19043987 A JP 19043987A JP 19043987 A JP19043987 A JP 19043987A JP H0564583 B2 JPH0564583 B2 JP H0564583B2
Authority
JP
Japan
Prior art keywords
halves
joint surfaces
joint
temperature
hot plate
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 - Lifetime
Application number
JP19043987A
Other languages
English (en)
Other versions
JPS6434722A (en
Inventor
Norio Iwatsuki
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.)
Kyoraku Co Ltd
Original Assignee
Kyoraku 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 Kyoraku Co Ltd filed Critical Kyoraku Co Ltd
Priority to JP19043987A priority Critical patent/JPS6434722A/ja
Publication of JPS6434722A publication Critical patent/JPS6434722A/ja
Publication of JPH0564583B2 publication Critical patent/JPH0564583B2/ja
Granted legal-status Critical Current

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
    • 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
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B29C65/2007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror" characterised by the type of welding mirror
    • 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
    • B29C66/1142—Single butt to 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
    • B29C66/01—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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • 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
    • B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
    • 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
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • 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
    • 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
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • B29C66/91921—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、ポリエチレン、ポリプロピレン樹脂
等熱可塑性樹脂にて成形された成形体同士を溶着
する方法に関するものである。
〔従来の技術〕
上記ポリエチレン、ポリプロピレン樹脂等の熱
可塑性樹脂にて成形された成形体同士は接着剤に
て固着することが困難であるので、両接合面を溶
融させて押圧溶着するようにした溶着手段がとら
れている。
ところで、従来のこの種の溶着方法としては、
特開昭52−90584号公報に示されたように、両接
合面に熱風を吹きつけてこの部分を加熱溶融して
から両成形体の接合面を押圧当接して溶着するよ
うにした方法と、特公昭55−17693号公報に示さ
れるように、両接合面を熱板によつて溶融し、そ
の後両接合面を加圧当接して溶着するようにした
方法がある。
そしてこれらの溶着方法では、押出し成形ある
いは射出成形等の成形手段にて個々に成形された
成形体を、溶着工程にて直接その両接合面を溶着
するようにしていた。
〔発明が解決しようとする問題点〕
上記従来の溶着方法では、接合面が必ずしも平
坦でなく、表面に凹凸や波打ち変形がある成形体
の接合面を加熱溶融して溶着しなければならない
ため、接合面の溶融深さを大きくとり、しかも接
合時に両接合面に比較的大きな押圧力をかけなけ
ればならなかつた。
このため接合後の成形体の成形部には全周囲に
わたつて溶融バリが発生してしまい、折角個々の
成形体を射出成形等により形よく成形したにもか
かわらず、接合後の成形体の外観形状が上記溶融
バリによつて見苦しくなつてしまうという問題が
あつた。
〔問題点を解決するための手段及び作用〕
本発明は上記のことにかんがみなされたもの
で、接合成形体を構成する両半体のそれぞれの接
合面を、これの加熱溶融に先行して互いに押圧し
て平面修正すること、及び両接合面を間接的加熱
することにより、それぞれの接合面をこれの全面
にわたつて均一な深さで溶融することができ、従
つて両接合面は浅い溶融深さでもつて、しかもそ
れ程大きな押圧力を加えることなしに強固に接合
でき、また溶融深さが浅いことにより、接合部に
は溶融バリが発生することがなく、接合後の外観
形状を溶融バリによつて損なうことがないように
した熱可塑性樹脂成形体の溶着方法を提供しよう
とするものである。
すなわち、熱可塑性樹脂にて成形した２つの半
体のそれぞれの接合面を、成形温度より低い塑性
変形可能な温度で互いに接触押圧して平面修正
し、ついで、両接合面に熱板を対抗させて両接合
面を熱板あるいは熱風ノイズによる間接的加熱に
て溶融し、その後熱板を取出して両半体の接合面
を加圧溶着する。
〔実施例〕
本発明の実施態様を図面に参照して説明する。
(1) 射出成形法により、接合しようとする２つの
半体１ａ，１ｂを同時に成形し、ついで、これ
らを、それぞれの接合面２ａ，２ｂを対向させ
る（第１図）。上記両半体１ａ，１ｂの接合面
２ａ，２ｂはフランジ状になつている。この両
半体１ａ，１ｂの対向設置は成形後直ちに、成
形温度があまり低下しない温度、すなわち塑性
変形可能な温度であるうちに行なう。なお上記
両半体１ａ，１ｂはポリピロピレン樹脂にて成
形した。
(2) 両半体１ａ，１ｂの接合面２ａ，２ｂを当接
し、フランジの裏側から押圧具３ａ，３ｂにて
押圧する（第２図）。このとき、両接合面の温
度は40〜80℃程度であることが望ましく、この
温度は上記射出成形時の温度を保持して得ても
よいが、押圧具３ａ，３ｂに加熱体を用いて加
熱してもよい。
この接合面２ａ，２ｂに対する押圧力は２〜
５Kg／cm2程度であり、また１〜10秒間押圧す
る。この押圧工程により、接合面２ａ，２ｂは
互いに密着するように平面修正される。
(3) 両半体１ａ，１ｂを離間する（第３図）。
(4) 両半体１ａ，１ｂの接合面２ａ，２ｂ間に熱
板４を挿入する（第４図）。
(5) 両半体１ａ，１ｂを、それぞれの接合面２
ａ，２ｂが熱板に対して0.8mm程度の間隔があ
いて対向する位置まで前進させる（第５図）。
この工程において、熱板４の温度は400〜450
℃であり、各接合面２ａ，２ｂの温度は220〜
280℃となる。この加熱を15秒程続ける。これ
により両接合面２ａ，２ｂは熱板４より輻射熱
を受けこれの表面がある深さにわたつて溶融さ
れる。
(6) 熱板４を両接合面２ａ，２ｂ間より取出す
（第６図）。
(7) 両半体１ａ，１ｂの接合面２ａ，２ｂを接触
させて加圧する（第７図）。
このときの加圧力は２〜５Kg／cm2で、加圧時
間は約10〜50秒間である。
上記工程により両半体１ａ，１ｂは接合面２
ａ，２ｂにて溶着される。両半体１ａ，１ｂを成
形時の温度より極端に低くならない温度、すなわ
ち、塑性変形可能な温度のうちに第２工程で対向
設置する。
第５工程では、両半体１ａ，１ｂの接合面２
ａ，２ｂは熱板４からの輻射熱にて加熱される
が、両接合面２ａ，２ｂの表面は第２工程にて互
いに圧着されて平面修正されているので、熱板４
との対向間隔は接合面２ａ，２ｂの全面にわたっ
て同一になり、接合面２ａ，２ｂはこれの全面に
わたつて均一な温度になる。
従つてこの接合面２ａ，２ｂの溶融深さもまた
全面にわたつて均一になるから、この溶融深さは
浅くても第７工程における加圧溶着にて良好な溶
着が行なわれる。
また第５工程では、接合面２ａ，２ｂは熱板４
に接触せず、これの輻射熱にて加圧されるので、
この接合面２ａ，２ｂの表面が加熱によつて荒れ
ることがなく、この点においても第７工程での溶
着が良好に行なわれることになる。
なお第７工程では両半体１ａ，１ｂの接合位置
がずれないようにあらかじめ位置決めを行なう。
上記本発明方法にて接合した成形体の接合部の
引張強度テスト及び非破壊テストを以下の要領で
行なつた。
(1) 引張強度テスト 接合部を第８図に示すように、幅ｗが10mmの短
冊状に切断し、これを接合面が離れる方向に引張
つた。
その結果接合強度は、1.8Kg／mm2以上の数値と
なつた。
(2) 非破壊テスト 内部を密閉状にして内部を加圧したところ、３
気圧に耐えた。
なお上記実施態様では両半体１ａ，１ｂの接合
面２ａ，２ｂは互いに一平面上にした例で示した
が、これは第９図に示すように、両半体１a′，１
b′の接合面２a′，２b′は互いにメス、オスの関係
となつた段状あるいは曲面状としてもよい。この
場合、第２工程での押圧具３ａ，３ｂ及び第５工
程での熱板４′の形状をこの接合面２ａ，２b′の
形状にあわせておく。
さらに両半体１ａ，１ｂは必ずしもフランジを
有してなくてもよい。
〔発明の効果〕
本発明によれば、両半体１ａ，１ｂ，１a′，１
b′のそれぞれの接合面２ａ，２ｂ，２a′，２
b′は、これの加熱溶融に先行して互いに押圧して
平面修正されること、及び、両接合面２ａ，２
ｂ，２a′，２b′は熱板４，４′にて輻射加熱され
ることにより、それぞれの接合面２ａ，２ｂ，２
a′，２b′はこれの全面にわたつて均一な深さで溶
融することができ、従つて両接合面２ａ，２ｂ，
２a′，２b′は浅い溶融深さでもつて、しかもそれ
程大きな押圧力を加えることなしに強固に接合で
きる。そして溶融深さが浅いことにより、接合部
には溶融バリが発生することがなく、接合後の外
観形状を上記溶融バリによつて損なうことがな
い。
【図面の簡単な説明】
第１図から第７図は本発明の実施態様の工程説
明図、第８図は引張試験片を示す斜視図、第９図
は接合面形状が異なる場合を示す断面図である。 １ａ，１ｂは半体、２ａ，２ｂ，２a′，２b′は
接合面、４，４′は熱板。

Claims (1)

    【特許請求の範囲】
  1. １ 熱可塑性樹脂にて成形した２つの半体１ａ，
    １ｂ，１a′，１b′のそれぞれの接合面２ａ，２
    ｂ，２a′，２b′を、成形温度より低い塑性変形可
    能な温度で互いに接触押圧して平面修正し、つい
    で、両接合面２ａ，２ｂ，２a′，２b′に熱板４，
    ４′を対向させて両接合面２ａ，２ｂ，２a′，２
    b′を間接的加熱にて溶融し、その後熱板４，４′
    を取出して両半体１ａ，１ｂ，１a′，１b′の接合
    面２ａ，２ｂ，２a′，２b′を加圧溶着することを
    特徴とする熱可塑性樹脂成形体の溶着方法。
JP19043987A 1987-07-31 1987-07-31 Fusing of thermoplastic resin molded body Granted JPS6434722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19043987A JPS6434722A (en) 1987-07-31 1987-07-31 Fusing of thermoplastic resin molded body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19043987A JPS6434722A (en) 1987-07-31 1987-07-31 Fusing of thermoplastic resin molded body

Publications (2)

Publication Number Publication Date
JPS6434722A JPS6434722A (en) 1989-02-06
JPH0564583B2 true JPH0564583B2 (ja) 1993-09-14

Family

ID=16258154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19043987A Granted JPS6434722A (en) 1987-07-31 1987-07-31 Fusing of thermoplastic resin molded body

Country Status (1)

Country Link
JP (1) JPS6434722A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925320A2 (en) 1998-03-27 2008-05-28 Prolume, Ltd. Luciferases, fluorescent proteins, nucleic acids encoding the luciferases and fluorescent proteins and the use thereof in diagnostics

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233634A (en) * 1989-05-26 1991-01-16 Nomix Mfg Co Ltd Container
JP2567265Y2 (ja) * 1991-06-07 1998-04-02 株式会社小森コーポレーション 枚葉印刷機の紙ガイド装置
BE1012079A3 (fr) * 1998-07-22 2000-04-04 Solvay Machine de soudage d'objets creux et procede pour souder ces objets.
BE1012078A4 (fr) * 1998-07-22 2000-04-04 Solvay Machine de soudage d'objets creux et procede pour souder ces objets.
JP5340429B2 (ja) * 2012-01-25 2013-11-13 株式会社エクセルシャノン 枠部材接合方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925320A2 (en) 1998-03-27 2008-05-28 Prolume, Ltd. Luciferases, fluorescent proteins, nucleic acids encoding the luciferases and fluorescent proteins and the use thereof in diagnostics

Also Published As

Publication number Publication date
JPS6434722A (en) 1989-02-06

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