GB1432539A - Method of forming pipe - Google Patents
Method of forming pipeInfo
- Publication number
- GB1432539A GB1432539A GB2290172A GB2290172A GB1432539A GB 1432539 A GB1432539 A GB 1432539A GB 2290172 A GB2290172 A GB 2290172A GB 2290172 A GB2290172 A GB 2290172A GB 1432539 A GB1432539 A GB 1432539A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pipe
- pressurized
- grooved
- female mould
- pipes
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 2
- 239000004743 Polypropylene Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- -1 polypropylene Polymers 0.000 abstract 1
- 229920001155 polypropylene Polymers 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
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
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube 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
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/08—Belling or enlarging, e.g. combined with forming a groove using pressure difference
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/02—Thermal shrinking
- B29C61/025—Thermal shrinking for the production of hollow or tubular articles
-
- 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
- F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
- B29C2049/4602—Blowing fluids
- B29C2049/465—Blowing fluids being incompressible
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
- B29C2049/4602—Blowing fluids
- B29C2049/465—Blowing fluids being incompressible
- B29C2049/4652—Blowing fluids being incompressible hot liquids
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
- B29C2049/4602—Blowing fluids
- B29C2049/465—Blowing fluids being incompressible
- B29C2049/4655—Blowing fluids being incompressible water
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/079—Auxiliary parts or inserts
- B29C2949/08—Preforms made of several individual parts, e.g. by welding or gluing parts together
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- 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
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/258—Tubular
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/005—Oriented
- B29K2995/0053—Oriented bi-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/772—Articles characterised by their shape and not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7306742,A NL182019C (nl) | 1972-05-16 | Werkwijze voor het vervaardigen van een mofbuis uit een een uitgangbuis van een thermoplastisch polymeermateriaal. | |
GB2290172A GB1432539A (en) | 1972-05-16 | 1972-05-16 | Method of forming pipe |
IT24041/73A IT987410B (it) | 1972-05-16 | 1973-05-14 | Giunti a bicchiere per tubi |
NLAANVRAGE7306742,A NL182019B (nl) | 1972-05-16 | 1973-05-15 | Werkwijze en inrichting voor het vervaardigen van een moffenbuis. |
DE2324508A DE2324508B2 (de) | 1972-05-16 | 1973-05-15 | Verfahren zur Herstellung eines Muffenrohres aus thermoplastischem Material |
FR7317527A FR2184857A1 (en) | 1972-05-16 | 1973-05-15 | Thermoplastic pipe socket |
BE172436A BE848429Q (fr) | 1972-05-16 | 1976-11-17 | Procede de formage de raccords d'accouplements dans un tuyau de matiere plastique, |
KE2679A KE2679A (en) | 1972-05-16 | 1976-11-25 | Method of forming pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2290172A GB1432539A (en) | 1972-05-16 | 1972-05-16 | Method of forming pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1432539A true GB1432539A (en) | 1976-04-22 |
Family
ID=10186898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2290172A Expired GB1432539A (en) | 1972-05-16 | 1972-05-16 | Method of forming pipe |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2324508B2 (enrdf_load_html_response) |
GB (1) | GB1432539A (enrdf_load_html_response) |
IT (1) | IT987410B (enrdf_load_html_response) |
KE (1) | KE2679A (enrdf_load_html_response) |
NL (2) | NL182019B (enrdf_load_html_response) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2742969A1 (de) * | 1976-09-23 | 1978-03-30 | Yorkshire Imperial Plastics | Rohr aus orientiertem thermoplastischem polymer-material sowie verfahren und vorrichtung zu dessen herstellung |
EP0028450A2 (en) | 1979-09-15 | 1981-05-13 | Imi Yorkshire Imperial Plastics Limited | Manufacture of thermoplastics pipe |
US4318681A (en) | 1979-09-15 | 1982-03-09 | Imi Yorkshire Imperial Plastics Limited | Manufacture of thermoplastics pipe |
US4323535A (en) | 1979-09-15 | 1982-04-06 | Imi Yorkshire Imperial Plastics Limited | Manufacture of thermoplastics pipe |
FR2510940A1 (fr) * | 1981-08-06 | 1983-02-11 | Solvay | Procede et appareillage pour la fabrication de tuyaux en matiere plastique orientee moleculaire |
US4428900A (en) | 1976-09-23 | 1984-01-31 | Yorkshire Imperial Plastics Limited | Method of forming a pipe of oriented thermoplastics polymeric material |
WO1990015949A1 (en) * | 1989-06-21 | 1990-12-27 | Vinidex Tubemakers Pty. Limited | Pipes with integral sockets |
AU639001B2 (en) * | 1989-06-21 | 1993-07-15 | Uponor N.V. | Pipes with integral sockets |
US5526847A (en) * | 1989-06-21 | 1996-06-18 | Vinidex Tubemakers Pty. Limited | Pipes with integral sockets |
FR2753648A1 (fr) * | 1996-09-26 | 1998-03-27 | Alphacan Sa | Procede et installation de fabrication de tubes en matiere plastique avec etirage bi-axial, et tube en matiere plastique ainsi obtenu |
EP1410896A2 (en) | 2002-07-15 | 2004-04-21 | BelmaFlex A/S | A method for dimensional change of a part of a flexible pipe, and an arrangement for use in the dimensional change |
US6861026B2 (en) | 2000-01-28 | 2005-03-01 | Uponor Innovation Ab | Method of making a pipe having a socket |
US7069635B2 (en) | 2000-08-02 | 2006-07-04 | Wavin B.V. | Methods and devices for the production of a pipe from biaxialy oriented thermoplastic material having an integrated socket |
CZ298557B6 (cs) * | 1996-09-26 | 2007-11-07 | Alphacan | Zpusob zpracování trubek z plastu biaxiálním tažením a zarízení k jeho provádení |
WO2008114049A3 (en) * | 2007-03-20 | 2010-06-17 | Verderg Ltd | Method and apparatus for pipe wall thickness testing |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9400894A (nl) * | 1994-06-01 | 1996-01-02 | Wavin Bv | Werkwijze en inrichting voor het vormen van een mof aan een buis van biaxiaal georiënteerd thermoplastisch kunststofmateriaal. |
CN111618352A (zh) * | 2020-07-01 | 2020-09-04 | 河北建投宝塑管业有限公司 | 一种用于pvc-o管材扩口成型的专用设备及其扩口成型工艺 |
-
0
- NL NLAANVRAGE7306742,A patent/NL182019C/xx active
-
1972
- 1972-05-16 GB GB2290172A patent/GB1432539A/en not_active Expired
-
1973
- 1973-05-14 IT IT24041/73A patent/IT987410B/it active
- 1973-05-15 NL NLAANVRAGE7306742,A patent/NL182019B/xx not_active IP Right Cessation
- 1973-05-15 DE DE2324508A patent/DE2324508B2/de not_active Ceased
-
1976
- 1976-11-25 KE KE2679A patent/KE2679A/xx unknown
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2742969A1 (de) * | 1976-09-23 | 1978-03-30 | Yorkshire Imperial Plastics | Rohr aus orientiertem thermoplastischem polymer-material sowie verfahren und vorrichtung zu dessen herstellung |
US4428900A (en) | 1976-09-23 | 1984-01-31 | Yorkshire Imperial Plastics Limited | Method of forming a pipe of oriented thermoplastics polymeric material |
EP0028450A2 (en) | 1979-09-15 | 1981-05-13 | Imi Yorkshire Imperial Plastics Limited | Manufacture of thermoplastics pipe |
US4318681A (en) | 1979-09-15 | 1982-03-09 | Imi Yorkshire Imperial Plastics Limited | Manufacture of thermoplastics pipe |
US4323535A (en) | 1979-09-15 | 1982-04-06 | Imi Yorkshire Imperial Plastics Limited | Manufacture of thermoplastics pipe |
US4340344A (en) | 1979-09-15 | 1982-07-20 | Imi Yorkshire Imperial Plastics Limited | Apparatus for manufacture of thermoplastics pipe |
EP0028065A3 (en) * | 1979-09-15 | 1982-09-29 | Imi Yorkshire Imperial Plastics Limited | Apparatus for use in the manufacture of thermoplastics pipe by the radial expansion of a pipe blank within a circular cross-section mould |
EP0028066A3 (en) * | 1979-09-15 | 1982-10-20 | Imi Yorkshire Imperial Plastics Limited | A method for making a length of thermoplastics pipe by the radial expansion of a pipe blank within a circular cross-section mould |
EP0028450A3 (en) * | 1979-09-15 | 1982-12-01 | Imi Yorkshire Imperial Plastics Limited | A mould construction for use in the manufacture of thermoplastics pipe by the radial expansion of a pipe blank, and a fluid supply circuit therefor |
FR2510940A1 (fr) * | 1981-08-06 | 1983-02-11 | Solvay | Procede et appareillage pour la fabrication de tuyaux en matiere plastique orientee moleculaire |
US4499045A (en) * | 1981-08-06 | 1985-02-12 | Solvay & Cie (Societe Anonyme) | Process for the production of tubes of a molecularly oriented plastic |
AU639001B2 (en) * | 1989-06-21 | 1993-07-15 | Uponor N.V. | Pipes with integral sockets |
WO1990015949A1 (en) * | 1989-06-21 | 1990-12-27 | Vinidex Tubemakers Pty. Limited | Pipes with integral sockets |
US5526847A (en) * | 1989-06-21 | 1996-06-18 | Vinidex Tubemakers Pty. Limited | Pipes with integral sockets |
CZ298557B6 (cs) * | 1996-09-26 | 2007-11-07 | Alphacan | Zpusob zpracování trubek z plastu biaxiálním tažením a zarízení k jeho provádení |
WO1998013190A1 (fr) * | 1996-09-26 | 1998-04-02 | Alphacan | Procede et installation de fabrication de tubes en matiere plastique avec etirage bi-axial, et tube en matiere plastique ainsi obtenu |
US6447710B1 (en) | 1996-09-26 | 2002-09-10 | Alphacan | Method and installation for making plastic tubes with bi-axial drawing, and resulting plastic tube |
FR2753648A1 (fr) * | 1996-09-26 | 1998-03-27 | Alphacan Sa | Procede et installation de fabrication de tubes en matiere plastique avec etirage bi-axial, et tube en matiere plastique ainsi obtenu |
US6861026B2 (en) | 2000-01-28 | 2005-03-01 | Uponor Innovation Ab | Method of making a pipe having a socket |
US7069635B2 (en) | 2000-08-02 | 2006-07-04 | Wavin B.V. | Methods and devices for the production of a pipe from biaxialy oriented thermoplastic material having an integrated socket |
CN1304187C (zh) * | 2000-08-02 | 2007-03-14 | 韦文有限公司 | 具有整体插口的双向拉伸热塑材料所制管子的生产方法及装置 |
EP1410896A2 (en) | 2002-07-15 | 2004-04-21 | BelmaFlex A/S | A method for dimensional change of a part of a flexible pipe, and an arrangement for use in the dimensional change |
WO2008114049A3 (en) * | 2007-03-20 | 2010-06-17 | Verderg Ltd | Method and apparatus for pipe wall thickness testing |
US8191430B2 (en) | 2007-03-20 | 2012-06-05 | Verderg Ltd | Method and apparatus for pipe testing |
RU2456540C2 (ru) * | 2007-03-20 | 2012-07-20 | Вердерг Лтд | Способ и устройство для тестирования труб |
Also Published As
Publication number | Publication date |
---|---|
NL182019B (nl) | 1987-07-16 |
NL182019C (nl) | |
IT987410B (it) | 1975-02-20 |
DE2324508B2 (de) | 1980-08-14 |
NL7306742A (enrdf_load_html_response) | 1973-11-20 |
DE2324508A1 (de) | 1973-12-20 |
KE2679A (en) | 1976-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1432539A (en) | Method of forming pipe | |
FR2510940B1 (enrdf_load_html_response) | ||
ES462582A1 (es) | Procedimiento para formar una tuberia de material polimero termoplastico orientable conteniendo un manguito integrado de mayor diametro interior. | |
CH558904A (de) | Grosskalibriges rohr, insbesondere abwasserrohr aus thermoplastischem kunststoff, sowie verfahren und anlage zur herstellung eines solchen rohres. | |
ES340905A1 (es) | Un metodo y aparato para formar una acanaladura o entrante anular e interior sobre una longitud de tuberia de material termoplastico tubular. | |
JPS644332A (en) | Device and method of melting and joining connecting end section of piping system part | |
DE3682713D1 (de) | Zusammengestzte gegenstaende sowie verfahren und vorrichtung zu deren herstellung. | |
IE34497L (en) | Grooving plastics pipes. | |
ATE48560T1 (de) | Verfahren und vorrichtung zur herstellung von querprofilierten rohren. | |
GB1530340A (en) | Method of forming a compound clamping ring and a compound clamping ring so obtained | |
FR2294825A1 (fr) | Procede et outillage de fabrication d'un raccord femelle en matiere plastique pour tuyauterie, du type a douille comportant une gorge annulaire interieure | |
GB1009219A (en) | Improvements in or relating to piping incorporating pipes of ceramic material | |
GB971124A (en) | Improvements in or relating to joints for pipes as used for sewers, drains or conduits | |
GB1319869A (en) | Locking means for adjacent pipe sections | |
SE303040B (enrdf_load_html_response) | ||
ES495060A0 (es) | Perfeccionamientos en aparatos para la fabricacion de una longitud de tuberia de material termoplastico de seccion transversal cilindrica | |
GB958467A (en) | Improvements in the manufacture of plastic tubes and the like | |
ES383320A1 (es) | Procedimiento para la produccion, especialmente para el mo-delo en una sola pieza, de manguito de enchufe de tubos. | |
JPS5627316A (en) | Molding method for faucet of thermoplastic resin pipe | |
FR2246804A1 (en) | Pipe joining or repairing method - involves injecting thermosetting resin into a sleeve over the joint | |
AT353001B (de) | Vorrichtung zur herstellung von erweiterungen, insbesondere von ringnuten, fuer dichtungen in kunststoffrohren und kunststoffrohrteilen | |
JPS52138572A (en) | Method of repairing pipe made of thermoplastic synthetic resin | |
GB1084888A (en) | Improvements in or relating to forming internal grooves or recesses in tubing and piping made of thermoplastics material | |
FR2061360A5 (en) | Sealing together synthetic polymer tubes | |
GB1324886A (en) | Method and apparatus for forming a groove in a tube and tube having a groove formed therein |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19930502 |