NL187542C - Lasmof voor het verbinden van de einden van kunststofbuizen en gereedschap voor de vervaardiging daarvan. - Google Patents

Lasmof voor het verbinden van de einden van kunststofbuizen en gereedschap voor de vervaardiging daarvan.

Info

Publication number
NL187542C
NL187542C NLAANVRAGE8104021,A NL8104021A NL187542C NL 187542 C NL187542 C NL 187542C NL 8104021 A NL8104021 A NL 8104021A NL 187542 C NL187542 C NL 187542C
Authority
NL
Netherlands
Prior art keywords
sleeve
welding
jointing
tools
manufacture
Prior art date
Application number
NLAANVRAGE8104021,A
Other languages
English (en)
Dutch (nl)
Other versions
NL8104021A (nl
NL187542B (nl
Original Assignee
Sturm Werner
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 Sturm Werner filed Critical Sturm Werner
Publication of NL8104021A publication Critical patent/NL8104021A/nl
Publication of NL187542B publication Critical patent/NL187542B/xx
Application granted granted Critical
Publication of NL187542C publication Critical patent/NL187542C/xx

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/02Welded joints; Adhesive joints
    • F16L47/03Welded joints with an electrical resistance incorporated in the joint
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34Joining 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"
    • B29C65/3404Joining 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
    • B29C65/342Joining 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
    • B29C65/3428Joining 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 said at least a single wire having a waveform, e.g. a sinusoidal form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34Joining 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"
    • B29C65/3472Joining 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
    • B29C65/3476Joining 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122Joint 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
    • B29C66/1222Joint 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122Joint 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
    • B29C66/1224Joint 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/347General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients
    • B29C66/3472General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients in the plane of the joint, e.g. along the joint line in the plane of the joint or perpendicular to the joint line in the plane of the joint
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General 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
    • B29C66/51Joining 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
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5221Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General 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
    • B29C66/51Joining 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
    • B29C66/52Joining tubular articles, bars or profiled elements
    • B29C66/522Joining tubular articles
    • B29C66/5229Joining tubular articles involving the use of a socket
    • B29C66/52291Joining tubular articles involving the use of a socket said socket comprising a stop
    • B29C66/52292Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914Measuring 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
    • B29C66/9161Measuring 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 heat or the thermal flux, i.e. the heat flux
    • B29C66/91651Measuring 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 heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34Joining 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"
    • B29C65/3468Joining 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 means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/71General 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
NLAANVRAGE8104021,A 1980-08-29 1981-08-28 Lasmof voor het verbinden van de einden van kunststofbuizen en gereedschap voor de vervaardiging daarvan. NL187542C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6545/80A CH648393A5 (de) 1980-08-29 1980-08-29 Elektro-schweissmuffe aus einem thermoplast zum verbinden von leitungselementen aus thermoplast.
CH654580 1980-08-29

Publications (3)

Publication Number Publication Date
NL8104021A NL8104021A (nl) 1982-03-16
NL187542B NL187542B (nl) 1991-06-03
NL187542C true NL187542C (nl) 1991-11-01

Family

ID=4311284

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8104021,A NL187542C (nl) 1980-08-29 1981-08-28 Lasmof voor het verbinden van de einden van kunststofbuizen en gereedschap voor de vervaardiging daarvan.

Country Status (12)

Country Link
US (1) US4375591A (xx)
JP (1) JPS5769010A (xx)
AT (1) AT385339B (xx)
BE (1) BE890095A (xx)
CA (1) CA1176316A (xx)
CH (1) CH648393A5 (xx)
DE (1) DE3129103A1 (xx)
FR (1) FR2489208B1 (xx)
GB (1) GB2083406B (xx)
IT (1) IT1139371B (xx)
NL (1) NL187542C (xx)
SE (1) SE445066B (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH655374A5 (de) * 1982-04-29 1986-04-15 Fischer Ag Georg Anschluss-formstueck.
GB2137710B (en) * 1983-03-30 1986-06-11 Fusion Plastics Ltd Branch pipe fitting
GB8410765D0 (en) * 1984-04-27 1984-06-06 Glynwed Tubes & Fittings Fusion pad
EP0171450A1 (de) * 1984-08-14 1986-02-19 Österreichische Salen-Kunststoffwerk Gesellschaft m.b.H. Rohrverbindung für Kunststoffrohre und Verfahren zur Herstellung
JPS61136094A (ja) * 1984-11-30 1986-06-23 フオン・ロ−ル・アクチエン・ゲゼルシヤフト 熱可塑性合成樹脂管路部分接合用電気的に溶接可能なスリ−ブ
US4695335A (en) * 1985-11-08 1987-09-22 R. W. Lyall & Company, Inc. Method for developing a predetermined fusing temperature in thermoplastic items
AU7304687A (en) * 1986-04-18 1987-11-09 Raychem Corporation Heat-recoverable devices
US4931116A (en) * 1986-05-27 1990-06-05 Raychem Corporation Heat-recoverable coupler
US4943706A (en) * 1988-04-18 1990-07-24 R. W. Lyall & Company, Inc. Method and apparatus for fusing thermoplastic materials
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
GB2255040B (en) * 1991-04-24 1995-02-08 British Gas Plc Method of forming a welded joint between polyolefinic members
DE4332196C2 (de) * 1993-09-22 1996-09-19 Fischer Georg Rohrleitung Schweißmuffe aus thermoplastischem Material
CH688489A5 (de) * 1994-06-13 1997-10-15 Fischer Georg Rohrleitung Formteil aus einem thermoplastischen Kunststoff.
DE4422372A1 (de) * 1994-06-27 1996-01-04 Gruber Alois Agru Gmbh Verfahren zum Schweißen von Kunststoffrohren und Muffe zur Durchführung des Verfahrens
US5618065A (en) * 1994-07-21 1997-04-08 Hitachi Metals, Ltd. Electric welding pipe joint having a two layer outer member
US5835679A (en) 1994-12-29 1998-11-10 Energy Converters, Inc. Polymeric immersion heating element with skeletal support and optional heat transfer fins
US5736715A (en) * 1996-03-19 1998-04-07 Thermacor Process, Inc. Method of forming pressure testable joint between insulated pipes using split sleeve arrangement
US5916468A (en) * 1996-07-08 1999-06-29 Hitachi Metals Ltd. Electrically weldable pipe joint and production method thereof
GB2340904B (en) * 1998-08-21 2003-05-21 Uponor Bv Method of joining plastics pipes and heat fusion fittings therefor
US6263158B1 (en) 1999-05-11 2001-07-17 Watlow Polymer Technologies Fibrous supported polymer encapsulated electrical component
US6188051B1 (en) 1999-06-01 2001-02-13 Watlow Polymer Technologies Method of manufacturing a sheathed electrical heater assembly
US6406063B1 (en) * 1999-07-16 2002-06-18 Fina Research, S.A. Pipe fittings
US6392208B1 (en) 1999-08-06 2002-05-21 Watlow Polymer Technologies Electrofusing of thermoplastic heating elements and elements made thereby
US6433317B1 (en) 2000-04-07 2002-08-13 Watlow Polymer Technologies Molded assembly with heating element captured therein
US6392206B1 (en) 2000-04-07 2002-05-21 Waltow Polymer Technologies Modular heat exchanger
US6519835B1 (en) 2000-08-18 2003-02-18 Watlow Polymer Technologies Method of formable thermoplastic laminate heated element assembly
US6539171B2 (en) 2001-01-08 2003-03-25 Watlow Polymer Technologies Flexible spirally shaped heating element

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094452A (en) * 1955-07-23 1963-06-18 Sued West Chemie Gmbh Method of making interlocked welded connections between shaped thermoplastic articles
BE549201A (xx) * 1955-12-03
US3061503A (en) * 1956-10-29 1962-10-30 Dow Chemical Co Method of joining pipes by means of an electrically heatable sleeve
NL236188A (xx) * 1958-02-17
NL175458C (nl) * 1973-03-14 1984-11-01 Sturm Werner Werkwijze voor het vervaardigen van een lasmof voor thermoplastische buizen.
CH606895A5 (xx) * 1975-12-18 1978-11-15 Geberit Ag
DE2710998C2 (de) * 1976-03-22 1984-08-02 Sturm, Werner, 4614 Hägendorf Muffe aus thermoplastischem Kunststoff mit einem elektrischen Widerstandsheizdraht
FR2353381A1 (fr) * 1976-06-03 1977-12-30 Pont A Mousson Procede d'assemblage par soudure de tubes plastiques et raccord pour un tel assemblage
CH622870A5 (xx) * 1977-06-03 1981-04-30 Werner Sturm
CH627249A5 (xx) * 1978-04-21 1981-12-31 Werner Sturm
JPS5755596Y2 (xx) * 1978-05-31 1982-12-01
US4313053A (en) * 1980-01-02 1982-01-26 Von Roll A.G. Welding sleeve of thermoplastic material

Also Published As

Publication number Publication date
DE3129103C2 (xx) 1989-12-21
SE445066B (sv) 1986-05-26
GB2083406A (en) 1982-03-24
JPH0145410B2 (xx) 1989-10-03
SE8104551L (sv) 1982-03-01
CA1176316A (en) 1984-10-16
AT385339B (de) 1988-03-25
BE890095A (fr) 1981-12-16
JPS5769010A (en) 1982-04-27
CH648393A5 (de) 1985-03-15
GB2083406B (en) 1984-05-02
FR2489208B1 (fr) 1985-08-09
IT8123529A0 (it) 1981-08-14
FR2489208A1 (fr) 1982-03-05
NL8104021A (nl) 1982-03-16
DE3129103A1 (de) 1982-04-22
IT1139371B (it) 1986-09-24
NL187542B (nl) 1991-06-03
US4375591A (en) 1983-03-01
ATA326681A (de) 1987-08-15

Similar Documents

Publication Publication Date Title
NL187542C (nl) Lasmof voor het verbinden van de einden van kunststofbuizen en gereedschap voor de vervaardiging daarvan.
DE3264926D1 (en) Welding joint for plastics tubes
US3788928A (en) Method of forming a lap joint between tubular articles of thermoplastic material
JPS61124796A (ja) プラスチツク管を連結する管継手とそのような継手の製造方法
JPS644332A (en) Device and method of melting and joining connecting end section of piping system part
ES500846A0 (es) Procedimiento para la fabricacion de un manguito para solda-dura susceptible de ser calentado electricamente
ATE61863T1 (de) Elektro-schweissfitting oder elektroschweissmuffe.
US5037500A (en) Method and apparatus for joining tubular plastic parts by welding
GB2072298A (en) Welded frame joint
GB1584892A (en) Fusion welding plastics pipe end portions
US2352754A (en) Method of joining workpieces by means of resistance welding
NL179984B (nl) Werkwijze voor het stomplassen van thermoplastische kunststofbuizen met behulp van een verwarmingselement.
ATE70772T1 (de) Vorrichtung zum verschweissen rohrfoermiger kunststoffteile.
US2860372A (en) Means for jointing thermoplastic synthetic resin pipes, pipe fittings and the like
GB8719020D0 (en) Joining thermoplastics workpieces by fusion
GB9818249D0 (en) Method of joining plastics pipes and heat fusion fittings therefor
JPS56126120A (en) Joining method of plastic pipe
JPH06147388A (ja) 管継手の融着接合方法
JPH077153Y2 (ja) 熱可塑性樹脂被覆金属成形品
JPS5828536B2 (ja) 熱電対の製造方法
JPS62148243A (ja) 熱可塑性樹脂管体の接合方法
JP3112344B2 (ja) 管体差口部の成形方法
JPS6353015B2 (xx)
JPH0213888B2 (xx)
JP2570652Y2 (ja) 電気融着継手

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V2 Lapsed due to non-payment of the last due maintenance fee for the patent application