CA1013110A - Process and apparatus for manufacturing a particularly large bore pipe from thermoplast synthetic material - Google Patents
Process and apparatus for manufacturing a particularly large bore pipe from thermoplast synthetic materialInfo
- Publication number
- CA1013110A CA1013110A CA173,976A CA173976A CA1013110A CA 1013110 A CA1013110 A CA 1013110A CA 173976 A CA173976 A CA 173976A CA 1013110 A CA1013110 A CA 1013110A
- Authority
- CA
- Canada
- Prior art keywords
- thermoplast
- manufacturing
- synthetic material
- particularly large
- large bore
- 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
- 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
-
- 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
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
-
- 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
- B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
-
- 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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
-
- 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
- B29C48/131—Curved 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/78—Winding and joining, e.g. winding spirally helically using profiled sheets or strips
-
- 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
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
- B29C53/821—Mandrels especially adapted for winding and joining
- B29C53/825—Mandrels especially adapted for winding and joining for continuous winding
- B29C53/827—Mandrels especially adapted for winding and joining for continuous winding formed by several elements rotating about their own axes
-
- 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
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
- B29C53/845—Heating or cooling especially adapted for winding and joining
-
- 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
- B29C65/022—Particular heating or welding methods not otherwise provided for
- B29C65/028—Particular heating or welding methods not otherwise provided for making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
-
- 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
- B29C66/50—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
- B29C66/5227—Joining tubular articles for forming multi-tubular articles by longitudinally joining elementary tubular articles wall-to-wall (e.g. joining the wall of a first tubular article to the wall of a second tubular article) or for forming multilayer 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
- 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
-
- 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
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
-
- 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
- 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
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
-
- 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
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
-
- 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
- B29L2009/00—Layered products
- B29L2009/005—Layered products coated
-
- 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
- B29L2023/005—Hoses, i.e. flexible
-
- 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
- B29L2024/00—Articles with hollow walls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S138/00—Pipes and tubular conduits
- Y10S138/11—Shape
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)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR4860972 | 1972-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1013110A true CA1013110A (en) | 1977-07-05 |
Family
ID=10927291
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA173,975A Expired CA984315A (en) | 1972-06-21 | 1973-06-13 | Large bore pipe made from thermoplastic synthetic material, particularly for use underground |
CA173,976A Expired CA1013110A (en) | 1972-06-21 | 1973-06-13 | Process and apparatus for manufacturing a particularly large bore pipe from thermoplast synthetic material |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA173,975A Expired CA984315A (en) | 1972-06-21 | 1973-06-13 | Large bore pipe made from thermoplastic synthetic material, particularly for use underground |
Country Status (24)
Country | Link |
---|---|
US (2) | US3926223A (ro) |
KR (2) | KR780000523B1 (ro) |
AT (1) | AT330532B (ro) |
AU (1) | AU474215B2 (ro) |
BG (1) | BG26820A3 (ro) |
BR (1) | BR7304583D0 (ro) |
CA (2) | CA984315A (ro) |
CH (1) | CH558904A (ro) |
CS (1) | CS193473B2 (ro) |
DD (2) | DD105417A5 (ro) |
DE (1) | DE2308418B2 (ro) |
EG (1) | EG10963A (ro) |
ES (1) | ES216340Y (ro) |
HU (1) | HU169906B (ro) |
IL (1) | IL42376A (ro) |
IT (2) | IT990665B (ro) |
NL (2) | NL159324B (ro) |
PH (1) | PH10963A (ro) |
PL (1) | PL101465B1 (ro) |
RO (2) | RO88505A (ro) |
SE (1) | SE401642B (ro) |
SU (1) | SU725548A3 (ro) |
TR (1) | TR18528A (ro) |
ZA (1) | ZA733496B (ro) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7906526A (nl) * | 1979-08-30 | 1981-03-03 | Int Chem Eng Ets | Werkwijze en inrichting voor het krommen van buizen. |
DE3036428C2 (de) * | 1980-09-26 | 1984-08-30 | Fafco S.A., Bienne | Verfahren zur Herstellung von zylindrischen Wickelrohrabschnitten |
US4596619A (en) * | 1982-05-17 | 1986-06-24 | Hercules Incorporated | Process for lining composite vessels |
IT1152336B (it) * | 1982-08-06 | 1986-12-31 | Anthony Cesar Anselm | Procedimento ed apparecchiatura per la fabbricazione di tubi flessibili in materiale plastico |
US4867671A (en) * | 1986-10-11 | 1989-09-19 | U.C. Industry Co., Ltd. | Apparatus for manufacturing resin tube |
DE3830627A1 (de) * | 1988-03-16 | 1989-09-28 | Wiik & Hoeglund | Verfahren zur herstellung eines gewickelten thermoplastischen rohres |
FI82133C (sv) * | 1988-08-17 | 1991-01-10 | Kwh Pipe Ab Oy | Spirallindat rör |
US5261988A (en) * | 1989-09-22 | 1993-11-16 | George A. Petzetakis | Making large-diameter pipe |
DE3931613C1 (ro) * | 1989-09-22 | 1990-09-20 | Petzetakis, George Aristovoulos, Piraeus, Gr | |
DE3931614A1 (de) * | 1989-09-22 | 1991-04-11 | Petzetakis George A | Verfahren zur herstellung eines grosskalibrigen kunststoffrohres und strangpresswerkzeug fuer die durchfuehrung des verfahrens |
US5099888A (en) * | 1990-06-04 | 1992-03-31 | Vassallo Research And Development Corporation | Impact protected, sealed, double-walled pipe body |
JPH04160283A (ja) * | 1990-10-24 | 1992-06-03 | Shiro Kanao | 硬質ポリ塩化ビニール管 |
FI90230C (fi) * | 1991-01-15 | 1994-01-10 | Skandinavisk Ecotech Ab | Jätevesikaivo tai useita selkeytysaltaita käsittävä jäteveden pienpuhdistamo |
DE4123920C2 (de) * | 1991-07-19 | 1994-04-14 | Bayer Ag | Verfahren und Vorrichtung zum Herstellen von gewickelten Rohren |
US5145216A (en) * | 1991-07-23 | 1992-09-08 | Vassallo Research And Development Corporation | Pipe connection assembly |
US5727598A (en) * | 1993-04-30 | 1998-03-17 | Advanced Drainage Systems, Inc. | Pipe wall segment and pipe having sidewall |
US5362114A (en) * | 1993-11-09 | 1994-11-08 | Levingston Jerry C | Pipe joint and method for forming same for threaded connection of profile pipe |
US5505897A (en) * | 1994-04-07 | 1996-04-09 | Advanced Drainage Systems, Inc. | Method for forming a pipe |
DE69507140T2 (de) * | 1994-04-07 | 1999-08-19 | Advanced Drainage Systems | Herstellungsverfahren eines rohres mit verbesserter struktur |
US5848223A (en) * | 1994-05-27 | 1998-12-08 | Steward Plastics, Inc. | Double-walled flexible tubing product with helical support bead and heating conductor and apparatus and method for making |
US5454061A (en) * | 1994-05-27 | 1995-09-26 | Steward Plastics, Inc. | Apparatus and method for making flexible tubing with helically wound heating conductor |
US6021817A (en) * | 1994-10-07 | 2000-02-08 | Phillips Petroleum Company | Multi-layer plastic helical pipe and method for the production thereof |
US6306235B1 (en) * | 1997-10-16 | 2001-10-23 | Nomaco, Inc. | Spiral formed products and method of manufacture |
US6405974B1 (en) * | 1998-08-12 | 2002-06-18 | F. John Herrington | Ribbed core dual wall structure |
US6105649A (en) * | 1998-09-30 | 2000-08-22 | Jerry C. Levingston | Pipe extrusion apparatus including winding a hollow profile |
US6250908B1 (en) | 1999-02-23 | 2001-06-26 | The Lamson & Sessions Co. | Conduit-making apparatus with a variable diameter winding drum |
US6209607B1 (en) | 1999-02-23 | 2001-04-03 | The Lamson & Sessions Co. | Conduit-making apparatus with a multiple diameter winding drum |
US6199676B1 (en) * | 1999-04-06 | 2001-03-13 | Air Cruisers Company | Inflatable tubular structure with spiral seam |
FI107522B (sv) | 1999-11-03 | 2001-08-31 | Kwh Pipe Ab Oy | Förfarande och anordning för framställning av spirallindat rör |
US20070034274A1 (en) * | 2000-07-27 | 2007-02-15 | Proteus, Inc. | Extrusion apparatus |
UA75365C2 (en) * | 2000-08-16 | 2006-04-17 | Bristol Myers Squibb Co | Epothilone analog polymorph modifications, a method for obtaining thereof (variants), a pharmaceutical composition based thereon |
TW530140B (en) | 2001-08-02 | 2003-05-01 | Goodyear Tire & Rubber | Flexible PVC helical hose |
EP1444084A2 (en) * | 2001-08-03 | 2004-08-11 | Proteus Inc. | Manufacturing process and apparatus for making a helical rib tube |
FI115391B (fi) * | 2001-10-03 | 2005-04-29 | Kwh Pipe Ab Oy | Menetelmä säiliön kevytrakenteisen päädyn valmistamiseksi ja tällaisella päädyllä varustettu säiliö |
US7011345B2 (en) | 2002-09-27 | 2006-03-14 | The Lamson & Sessions Co. | Pipe joint and couplers |
FI115484B (fi) * | 2003-02-25 | 2005-05-13 | Kwh Pipe Ab Oy | Putken valmistuksessa käytettävä onteloprofiili |
AU2005249938B2 (en) * | 2004-05-27 | 2009-11-19 | Nomaco, Inc. | Foam welding and profile manufacturing system |
US20100236750A1 (en) * | 2009-03-20 | 2010-09-23 | Naneff Boris P | Heat exchange system |
FI122388B (sv) | 2010-01-22 | 2011-12-30 | Kwh Pipe Ab Oy | Ihålig profil som används vid rörtillverkning |
US20110214772A1 (en) * | 2010-03-03 | 2011-09-08 | Ju Hwan Lee | Spiral hose |
US10080866B2 (en) | 2011-06-03 | 2018-09-25 | Fisher & Paykel Healthcare Limited | Medical tubes and methods of manufacture |
CN117045914A (zh) | 2011-07-13 | 2023-11-14 | 费雪派克医疗保健有限公司 | 加压气体源 |
CN102230554B (zh) * | 2011-07-15 | 2012-08-15 | 娄底市朝阳塑胶有限公司 | 一种钢塑多元复合管材的生产方法 |
GB2575183B (en) | 2012-04-05 | 2020-03-18 | Fisher & Paykel Healthcare Ltd | Respiratory assistance apparatus |
CA3176227A1 (en) | 2012-11-14 | 2014-05-22 | Fisher & Paykel Healthcare Limited | Zone heating for respiratory circuits |
FI124400B (en) * | 2012-11-20 | 2014-08-15 | Uponor Infra Oy | Method and apparatus for making spirally wound and welded pipe |
CN116585583A (zh) | 2012-12-04 | 2023-08-15 | 费雪派克医疗保健有限公司 | 医用管以及其制造方法 |
CN205515844U (zh) | 2012-12-18 | 2016-08-31 | 费雪派克医疗保健有限公司 | 呼吸辅助装置以及用于电机的总成 |
WO2015060731A1 (en) | 2013-10-24 | 2015-04-30 | Fisher & Paykel Healthcare Limited | Delivery of respiratory gases |
GB2558085B (en) | 2013-12-20 | 2018-09-19 | Fisher & Paykel Healthcare Ltd | Humidification system connections |
CN106232167B (zh) | 2014-03-17 | 2020-03-24 | 费雪派克医疗保健有限公司 | 用于呼吸系统的医用管 |
SG10201810281TA (en) | 2014-05-27 | 2018-12-28 | Fisher & Paykel Healthcare Ltd | Gases mixing and measuring for a medical device |
EP3718587B1 (en) | 2015-09-09 | 2023-11-15 | Fisher & Paykel Healthcare Limited | Zone heating for respiratory circuits |
CN114796785A (zh) | 2015-12-02 | 2022-07-29 | 费雪派克医疗保健有限公司 | 流量治疗设备的流动路径感测 |
AU2017381865B2 (en) | 2016-12-22 | 2023-09-28 | Fisher & Paykel Healthcare Limited | Medical tubes and methods of manufacture |
US10077854B1 (en) | 2017-03-15 | 2018-09-18 | Arevo, Inc. | Duct fabricated with additive manufacturing |
US10041612B1 (en) * | 2017-03-15 | 2018-08-07 | Arevo, Inc. | Curvilinear duct fabricated with additive manufacturing |
WO2018199774A1 (en) | 2017-04-23 | 2018-11-01 | Fisher & Paykel Healthcare Limited | Breathing assistance apparatus |
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Publication number | Priority date | Publication date | Assignee | Title |
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US2640501A (en) * | 1946-12-24 | 1953-06-02 | Int Standard Electric Corp | Tube and its manufacture |
US2576835A (en) * | 1946-12-31 | 1951-11-27 | Bell Telephone Labor Inc | Flexible wave guide |
US2671939A (en) * | 1950-04-28 | 1954-03-16 | Nat Clay Pipe Res Corp | Method and apparatus for forming tubular ceramic bodies |
US2874722A (en) * | 1952-10-06 | 1959-02-24 | Eva F Hamblin | Buoyant, insulated flexible tubing and method of making same |
US3617415A (en) * | 1969-04-23 | 1971-11-02 | Manfred Hawerkamp | Method of making hollow reinforced bodies |
US3811478A (en) * | 1969-10-29 | 1974-05-21 | S Ahlqvist | Tube wall |
US3787552A (en) * | 1970-12-21 | 1974-01-22 | Alliance Rubber Co | Method and apparatus for forming thinwalled tubular articles |
-
1973
- 1973-02-21 DE DE19732308418 patent/DE2308418B2/de not_active Withdrawn
- 1973-05-23 TR TR18528A patent/TR18528A/xx unknown
- 1973-05-23 ZA ZA733496A patent/ZA733496B/xx unknown
- 1973-05-29 IL IL42376A patent/IL42376A/en unknown
- 1973-05-29 CH CH769473A patent/CH558904A/xx not_active IP Right Cessation
- 1973-05-29 AT AT466973A patent/AT330532B/de not_active IP Right Cessation
- 1973-06-01 AU AU56440/73A patent/AU474215B2/en not_active Expired
- 1973-06-12 HU HUPE885A patent/HU169906B/hu unknown
- 1973-06-12 RO RO7375109A patent/RO88505A/ro unknown
- 1973-06-13 CA CA173,975A patent/CA984315A/en not_active Expired
- 1973-06-13 CA CA173,976A patent/CA1013110A/en not_active Expired
- 1973-06-13 CS CS734278A patent/CS193473B2/cs unknown
- 1973-06-14 BG BG023877A patent/BG26820A3/xx unknown
- 1973-06-17 EG EG225/73A patent/EG10963A/xx active
- 1973-06-18 IT IT25499/73A patent/IT990665B/it active
- 1973-06-18 IT IT25498/73A patent/IT990664B/it active
- 1973-06-19 SE SE7308609A patent/SE401642B/xx unknown
- 1973-06-19 US US371558A patent/US3926223A/en not_active Expired - Lifetime
- 1973-06-19 SU SU731935404A patent/SU725548A3/ru active
- 1973-06-19 PL PL1973163445A patent/PL101465B1/pl unknown
- 1973-06-19 US US371559A patent/US3917500A/en not_active Expired - Lifetime
- 1973-06-19 DD DD171659A patent/DD105417A5/xx unknown
- 1973-06-19 DD DD171661A patent/DD104468A5/xx unknown
- 1973-06-20 PH PH14752A patent/PH10963A/en unknown
- 1973-06-20 KR KR7300975A patent/KR780000523B1/ko active
- 1973-06-20 BR BR4583/73A patent/BR7304583D0/pt unknown
- 1973-06-21 NL NL7308659.A patent/NL159324B/xx not_active IP Right Cessation
- 1973-06-21 NL NL7308660.A patent/NL156346B/xx unknown
-
1975
- 1975-03-14 KR KR7500539A patent/KR780000524B1/ko active
- 1975-10-31 ES ES1975216340U patent/ES216340Y/es not_active Expired
-
1979
- 1979-08-04 RO RO7998371A patent/RO88506A/ro unknown
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