CA1109619A - Method of making lightweight, rigid thermoplastic pipe - Google Patents
Method of making lightweight, rigid thermoplastic pipeInfo
- Publication number
- CA1109619A CA1109619A CA302,380A CA302380A CA1109619A CA 1109619 A CA1109619 A CA 1109619A CA 302380 A CA302380 A CA 302380A CA 1109619 A CA1109619 A CA 1109619A
- Authority
- CA
- Canada
- Prior art keywords
- pipe
- thermoplastic material
- interior
- thermoplastic
- extruder
- 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
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
-
- 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
- F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79692177A | 1977-05-16 | 1977-05-16 | |
US796,921 | 1977-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1109619A true CA1109619A (en) | 1981-09-29 |
Family
ID=25169403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA302,380A Expired CA1109619A (en) | 1977-05-16 | 1978-05-01 | Method of making lightweight, rigid thermoplastic pipe |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS53141367A (de) |
AU (1) | AU520032B2 (de) |
CA (1) | CA1109619A (de) |
DE (1) | DE2821333C2 (de) |
FR (1) | FR2391058A1 (de) |
GB (1) | GB1595128A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9963591B2 (en) | 2012-12-18 | 2018-05-08 | Ems-Patent Ag | Polyamide molding material and moldings manufactured from same |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2455972A1 (fr) * | 1979-05-10 | 1980-12-05 | Sogecan Ste Gle Canalisations | Procede et appareillage pour l'extrusion de tubes plastiques a parois composites |
IT1126452B (it) * | 1979-11-30 | 1986-05-21 | Mario Calcagni | Testa di estrusione per profilati per infissi e simili,nonche' profilato ottenuto |
US4465449A (en) * | 1982-12-06 | 1984-08-14 | Borg-Warner Chemicals, Inc. | Coextrusion feedblock for making lightweight, rigid thermoplastic pipe |
US4507071A (en) * | 1983-05-12 | 1985-03-26 | Cosden Technology, Inc. | Coextrusion apparatus for producing multiple layered thermoplastic pipe |
US4499041A (en) * | 1983-05-23 | 1985-02-12 | Cosden Technology, Inc. | Coextrusion process for producing multiple layered thermoplastic pipe |
FR2564375B1 (fr) * | 1984-05-18 | 1987-03-06 | Eternit Financiere | Procede de fabrication de tubes alleges, rigides en matiere thermoplastique |
JPS6228222A (ja) * | 1985-07-30 | 1987-02-06 | Sumitomo Chem Co Ltd | ポリプロピレン系樹脂発泡パイプの製造方法 |
KR950005495Y1 (ko) * | 1992-10-01 | 1995-07-12 | 신용구 | 내충격 수도관 |
DE9409077U1 (de) * | 1994-06-03 | 1994-08-11 | Augst, Reiner, 02689 Wehrsdorf | Schwimmfähiges, verwirbelbares Trägermaterial für biotechnologische Prozesse |
GB9505789D0 (en) * | 1995-03-22 | 1995-05-10 | Glynwed Steel Tubes Ltd | Plastics-coated tube |
FI100130B (fi) * | 1995-12-12 | 1997-09-30 | Uponor Innovation Ab | Monikerroksinen muoviputki |
DE69629491T2 (de) | 1995-12-12 | 2004-06-17 | Uponor Innovation Ab | Verfahren zum herstellen von homogenen materialien mit einem extruder, und extruder |
NL1005371C2 (nl) * | 1997-02-25 | 1998-08-26 | Wavin Bv | Meerlaags buis uit kunststof. |
IT237599Y1 (it) * | 1996-07-29 | 2000-09-13 | Poloplast Kunststoffwerk | Tubo a piu' strati |
US6183673B1 (en) * | 1998-04-24 | 2001-02-06 | Industrial Thermo Ploymers Limited | Method for forming extruded foam with surface coating |
DE19920916A1 (de) | 1999-05-06 | 2000-11-16 | Basf Ag | Verbundschichtplatte oder Folie für Kühlschränke |
DE202009007494U1 (de) | 2009-05-26 | 2009-09-17 | Dow Global Technologies, Inc., Midland | Mehrschichtige thermoplastische Blattmaterialien und daraus hergestellte thermogeformte Gegenstände |
ES2578732T3 (es) * | 2011-03-17 | 2016-07-29 | Ems-Patent Ag | Cuerpo de manguito |
EP2666803B1 (de) | 2012-05-23 | 2018-09-05 | Ems-Patent Ag | Kratzfeste, transparente und zähe Copolyamidformmassen, hieraus hergestellte Formkörper und deren Verwendung |
EP2778190B1 (de) | 2013-03-15 | 2015-07-15 | Ems-Patent Ag | Polyamidformmasse sowie hieraus hergestellter Formkörper |
DE102013105749B4 (de) | 2013-06-04 | 2015-09-03 | W. Müller GmbH | Extrusionsschlauchkopf für diskontinuierliches Schäumen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL261319A (de) * | 1960-02-24 | 1900-01-01 | ||
US3561493A (en) * | 1965-04-21 | 1971-02-09 | Paul Maillard | Composite tubes and method of manufacturing same |
DE6602679U (de) * | 1966-05-18 | 1969-06-26 | Ruetgerswerke Und Teerverwertung Ag | Waermeisolierte rohre und rohrteile aus kunststoffen |
AT325299B (de) * | 1967-02-27 | 1975-10-10 | Hegler Wilhelm | Vorrichtung zur herstellung von rohren aus thermoplastischem kunststoff |
GB1211860A (en) * | 1967-10-03 | 1970-11-11 | Ici Ltd | A process for the production of pipe |
US3855376A (en) * | 1971-04-15 | 1974-12-17 | Mitsubishi Rayon Co | Process for making structural material having a foamed inner layer |
DE2236375A1 (de) * | 1972-07-25 | 1974-02-07 | Technoform Caprano U Brunnhofe | Kunststoffrohr |
-
1978
- 1978-05-01 CA CA302,380A patent/CA1109619A/en not_active Expired
- 1978-05-04 AU AU35752/78A patent/AU520032B2/en not_active Expired
- 1978-05-11 FR FR7814036A patent/FR2391058A1/fr active Granted
- 1978-05-15 JP JP5747278A patent/JPS53141367A/ja active Granted
- 1978-05-16 DE DE2821333A patent/DE2821333C2/de not_active Expired
- 1978-05-16 GB GB19919/78A patent/GB1595128A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9963591B2 (en) | 2012-12-18 | 2018-05-08 | Ems-Patent Ag | Polyamide molding material and moldings manufactured from same |
Also Published As
Publication number | Publication date |
---|---|
JPS53141367A (en) | 1978-12-09 |
DE2821333A1 (de) | 1978-11-30 |
DE2821333C2 (de) | 1984-08-23 |
AU520032B2 (en) | 1982-01-14 |
AU3575278A (en) | 1979-11-08 |
FR2391058A1 (fr) | 1978-12-15 |
JPS6130892B2 (de) | 1986-07-16 |
FR2391058B1 (de) | 1981-07-24 |
GB1595128A (en) | 1981-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |