AT366315B - Verfahren zur herstellung eines doppelwandigen kunststoffrohres - Google Patents

Verfahren zur herstellung eines doppelwandigen kunststoffrohres

Info

Publication number
AT366315B
AT366315B AT0463977A AT463977A AT366315B AT 366315 B AT366315 B AT 366315B AT 0463977 A AT0463977 A AT 0463977A AT 463977 A AT463977 A AT 463977A AT 366315 B AT366315 B AT 366315B
Authority
AT
Austria
Prior art keywords
double
producing
plastic pipe
walled plastic
walled
Prior art date
Application number
AT0463977A
Other languages
English (en)
Other versions
ATA463977A (de
Original Assignee
Hegler Wilhelm
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 Hegler Wilhelm filed Critical Hegler Wilhelm
Publication of ATA463977A publication Critical patent/ATA463977A/de
Application granted granted Critical
Publication of AT366315B publication Critical patent/AT366315B/de

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
    • F16L9/00Rigid pipes
    • F16L9/18Double-walled pipes; Multi-channel pipes or pipe assemblies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0015Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0015Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
    • B26F1/0053Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes by machining, e.g. cutting, grinding, projections on the tube wall
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0015Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
    • B26F1/0061Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes whereby the tube moves axially or radially
    • B26F1/0069Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes whereby the tube moves axially or radially and the tool travels with the tube
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11Articles 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
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/13Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/303Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • 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
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0015Making articles of indefinite length, e.g. corrugated tubes
    • B29C49/0021Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
    • 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
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/22Corrugating
    • B29C53/30Corrugating of tubes
    • 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
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • 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
    • B29C2793/00Shaping techniques involving a cutting or machining operation
    • 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
    • B29C2793/00Shaping techniques involving a cutting or machining operation
    • B29C2793/0045Perforating
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/12Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0015Making articles of indefinite length, e.g. corrugated tubes
    • B29C49/0029Making articles of indefinite length, e.g. corrugated tubes wherein the process is characterised by the pressure used, e.g. using varying pressure depending on sequence of cavity shapes
    • 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
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0015Making articles of indefinite length, e.g. corrugated tubes
    • B29C49/003Making articles of indefinite length, e.g. corrugated tubes wherein the process is characterised by temperature conditioning, e.g. using inside cooling by air
    • 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
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/006Blow-moulding plants, e.g. using several blow-moulding apparatuses cooperating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2016/00Articles with corrugations or pleats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/18Pleated or corrugated hoses
    • B29L2023/186Pleated or corrugated hoses having a smooth internal wall

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (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)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
AT0463977A 1976-08-24 1977-06-29 Verfahren zur herstellung eines doppelwandigen kunststoffrohres AT366315B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2637995A DE2637995C2 (de) 1976-08-24 1976-08-24 Verfahren zur Herstellung von doppelwandigen Kunststoffrohren mit einer ringförmig gewellten Außenwand und einer glatten Innenwand

Publications (2)

Publication Number Publication Date
ATA463977A ATA463977A (de) 1981-08-15
AT366315B true AT366315B (de) 1982-04-13

Family

ID=5986188

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0463977A AT366315B (de) 1976-08-24 1977-06-29 Verfahren zur herstellung eines doppelwandigen kunststoffrohres

Country Status (28)

Country Link
US (2) US4145387A (de)
JP (1) JPS6028656B2 (de)
AT (1) AT366315B (de)
AU (1) AU506193B2 (de)
BE (1) BE858036A (de)
BR (1) BR7705605A (de)
CA (1) CA1061726A (de)
CH (1) CH622984A5 (de)
CS (1) CS196373B2 (de)
DD (1) DD132728A5 (de)
DE (1) DE2637995C2 (de)
DK (1) DK375477A (de)
ES (1) ES460822A1 (de)
FI (1) FI64074C (de)
FR (1) FR2362715A1 (de)
GB (1) GB1525450A (de)
GR (1) GR63991B (de)
HU (1) HU175927B (de)
IN (1) IN148290B (de)
IT (1) IT1117833B (de)
NL (1) NL7707369A (de)
NO (1) NO772572L (de)
NZ (1) NZ184598A (de)
PL (1) PL110500B1 (de)
SE (1) SE422760B (de)
SU (1) SU708992A3 (de)
TR (1) TR19812A (de)
YU (1) YU201477A (de)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2840174A1 (de) 1978-09-15 1980-03-20 Oltmanns Ziegelwerk Leitungsrohr aus kunststoff
IL55798A0 (en) * 1978-10-25 1978-12-17 Drori Mordeki Fluid distribution devices particularly useful for drip irrigation and mathod and apparatus for making same
US4523613A (en) * 1980-07-01 1985-06-18 Hancor, Inc. Multi-layered corrugated conduit with "black-eye" like apertures
JPS5844583U (ja) * 1981-09-18 1983-03-25 金尾 史朗 合成樹脂製コルゲ−ト二重管
US4500284A (en) * 1983-09-16 1985-02-19 Lupke Manfred Arno Alfred Forming single wall bells in double wall pipe
JPS60136689A (ja) * 1983-12-24 1985-07-20 鳥居化成株式会社 多重管の製造装置
US4846660A (en) * 1984-07-18 1989-07-11 Contech Construction Products Inc. Apparatus for producing double wall pipe
US5124109A (en) * 1984-07-18 1992-06-23 Contech Construction Products Inc. Method for producing a double wall pipe
JPS6199788A (ja) * 1984-10-22 1986-05-17 金尾 史朗 地中埋設用耐圧螺旋管
JPS61293821A (ja) * 1985-06-21 1986-12-24 Takiron Co Ltd コルゲ−ト管のスリ−ブの成形方法
US5060696A (en) * 1985-08-23 1991-10-29 Wavin, Bv Plastic pipe comprising an outer corrugated pipe and a smooth inner wall
NL8502327A (nl) * 1985-08-23 1987-03-16 Wavin Bv Kunststofbuis bestaande uit een buitenhuis met ribbels en gladde binnenwand, alsmede werkwijze voor het herstellen resp. verbeteren van een rioleringsbuis.
JPS61215883A (ja) * 1985-10-17 1986-09-25 金尾 史朗 合成樹脂製コルゲ−ト二重管
DE3603481A1 (de) * 1986-02-05 1987-08-06 Wilhelm Hegler Kunststoff-wellrohr mit angeformter steck-muffe
US4759389A (en) * 1986-12-04 1988-07-26 Kim Woo Suck Synthetic resin pipe for underground installation
JPS63115685U (de) * 1987-01-21 1988-07-26
AU596339B2 (en) * 1987-03-06 1990-04-26 Tonen Sekiyukagaku K.K. Plastic pipe and method and apparatus for manufacturing same
DE3744510A1 (de) * 1987-12-30 1989-07-13 Wilhelm Hegler Rohrverbindungs-element
JPH02179213A (ja) * 1988-12-27 1990-07-12 Shiro Kanao 耐圧螺旋波形管
DE3906752C2 (de) * 1989-03-03 1997-09-04 Pipelife Rohrsysteme Gmbh Leitungsrohr aus Kunststoff, insbesondere für Abwässer
DE59007536D1 (de) * 1989-03-03 1994-12-01 Pipelife Rohrsysteme Gmbh Verfahren zur Herstellung eines Abwasserrohrs aus Kunststoff.
DE3939052C2 (de) * 1989-11-25 2003-11-06 Pipelife Rohrsysteme Gmbh Verfahren zur Herstellung eines über Muffenverbindungen mit einem gleichen oder einem anderen Rohr verbindbaren Leitungsrohres aus Kunststoff
DE3924791A1 (de) * 1989-07-27 1991-01-31 Rainer Isolierrohr Drossbach Doppelwandrohr u. verfahren zu seiner herstellung
JP3219407B2 (ja) 1990-11-26 2001-10-15 エクセル株式会社 多層プラスチック管及びその製造方法
GB9118970D0 (en) * 1991-08-30 1991-10-23 B & H Leicester Ltd Tubular members and their manufacture
DE4210482A1 (de) * 1992-03-31 1993-10-07 Wilhelm Hegler Verfahren und Vorrichtung zur fortlaufenden Herstellung eines Verbundrohres mit Rohr-Muffe
US5401459A (en) * 1992-10-05 1995-03-28 Infiltrator Systems, Inc. Gas-assisted injection molding of hollow ribbed article
US5489201A (en) * 1993-04-15 1996-02-06 Cullom Machine Tool & Die, Inc. Plastic tile corrugator and mold blocks
US5525289A (en) * 1995-01-30 1996-06-11 Lupke; Manfred A. A. Method and apparatus for cooling hollow molded product
US5975143A (en) * 1995-04-03 1999-11-02 Uponor B.V. Method for manufacturing a corrugated pipe, and a corrugated pipe manufactured by the method
GB2300683B (en) * 1995-05-06 1999-10-20 Uponor Ltd Improvements in or relating to flexible pipes
US6461078B1 (en) * 1995-09-11 2002-10-08 David W. Presby Plastic sewage pipe
US5720575A (en) * 1995-11-20 1998-02-24 Henrie; James O. Water control and diversion headgate and method of manufacture
US5888024A (en) * 1997-04-04 1999-03-30 Big "O" Inc. Marine dock and flotation tank
US6206050B1 (en) * 1999-03-31 2001-03-27 Certainteed Corporation Hose used to install loose fill insulation
US6648022B2 (en) 2001-09-21 2003-11-18 Certainteed Corporation Loose-fill insulation dispensing apparatus including spiked conduit liner
EP1458548A1 (de) * 2001-12-21 2004-09-22 Rubbermaid Incorporated Vorrichtung und verfahren zur herstellung von diskreten hohlen bauteilen sowie hergestellter gegenstand
AU2002347114A1 (en) 2001-12-21 2003-07-09 Geberit Technik Ag Plastic pipe, piping comprising a pipe and a method for producing a pipe
JP2003211522A (ja) * 2002-01-23 2003-07-29 Denki Kagaku Kogyo Kk ニ重壁コルゲート管の製造方法
JP3878026B2 (ja) * 2002-02-14 2007-02-07 電気化学工業株式会社 ニ重壁コルゲート管の製造方法
US6817632B1 (en) 2002-09-13 2004-11-16 Fleetguard, Inc. Flex tube joint with torsion relief
DE20306407U1 (de) * 2003-04-24 2004-08-26 Drossbach Gmbh & Co Kg Doppelwand-Wellrohr
JP4120476B2 (ja) * 2003-05-27 2008-07-16 宇部興産株式会社 コルゲートチューブ
US8733405B2 (en) * 2005-03-14 2014-05-27 Advanced Drainage Systems, Inc. Corrugated pipe with outer layer
DE202005007835U1 (de) * 2005-05-19 2005-07-21 Zehnder Verkaufs- Und Verwaltungs-Ag Rohr
US7284573B2 (en) 2005-05-24 2007-10-23 Certainteed Corporation Hose for installing loose fill insulation
US7156128B1 (en) * 2005-06-21 2007-01-02 Kanaflex Corporation Synthetic resin pipe
EP1867460A3 (de) * 2006-06-16 2009-04-08 Wavin B.V. Herstellung einer gewellten Kunststoffröhre
DE102006048512B4 (de) * 2006-10-13 2014-03-06 Ralph Peter Hegler Vorrichtung zur Herstellung von Verbund-Rohren
DE102007049653A1 (de) * 2007-10-12 2009-04-16 Unicor Gmbh Vorrichtung zum Herstellen von thermoplastischen Wellrohren
DE102008007226A1 (de) * 2008-02-01 2009-08-06 Fränkische Rohrwerke Gebr. Kirchner Gmbh & Co. Kg Verbundrohr mit schraubenförmiger Wellung und dessen Verwendung als Abwasserrohr oder Erdkollektor
US8550807B2 (en) * 2008-05-28 2013-10-08 Advanced Drainage Systems, Inc. In-mold punch apparatus and methods
DE102008027102B4 (de) * 2008-06-06 2011-11-17 Unicor Gmbh Doppelwand-Wellrohr und Formbacken für eine Vorrichtung zur Herstellung eines derartigen Doppelwand-Wellrohres
US20110011613A1 (en) * 2009-07-20 2011-01-20 Wpfy, Inc. Treated electrical conduit
AU2011256246B2 (en) 2010-05-17 2014-07-10 Presby Plastics, Inc. Apparatus and method for processing liquid waste
DE102011015388A1 (de) 2011-03-29 2012-10-04 Norma Germany Gmbh Richtungsgebundene Fluidleitung
EP2748114A4 (de) 2011-10-14 2015-07-01 Presby Patent Trust Flüssigabfallbehandlungsvorrichtung
EP2948289A4 (de) * 2013-08-12 2016-10-12 Prinsco Inc Aufwickelbarer doppelwandiger wellschlauch und zugehöriges verfahren
CN104315267A (zh) * 2014-08-26 2015-01-28 张琪 具有气孔的双壁波纹管
CN104315327A (zh) * 2014-08-26 2015-01-28 卢满松 具有弹簧的双壁波纹管
CN108091433B (zh) * 2017-12-12 2021-05-25 杭州电缆股份有限公司 高压皱纹金属套低偏心率聚乙烯外护套电力电缆的加工方法
CN114801106B (zh) * 2022-04-27 2024-05-17 大连天薇管业有限公司 一种双壁波纹管生产设备及生产方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898941A (en) * 1956-10-10 1959-08-11 Davol Rubber Co Inhaler tube
US3330303A (en) * 1964-06-15 1967-07-11 Continental Oil Co Composite tubing structure
US3461531A (en) * 1967-03-09 1969-08-19 William J De Gain Method of making a tubular product
FR1527170A (fr) * 1967-04-20 1968-05-31 Moulinex Sa Tube flexible
DE2008455A1 (de) * 1970-02-24 1971-09-16 Hamburger Flugzeugbau Gmbh Isolierung für Geräte, Bauteile, Rohre, Leitungen u. dgl
DE2061027C3 (de) * 1970-12-11 1982-03-04 Wilhelm 8730 Bad Kissingen Hegler Vorrichtung zum Anbringen einer Querprofilierung an einem Rohr aus thermoplastischem Kunststoff
DE2119290B2 (de) * 1971-04-21 1976-02-12 Langlotz, Helga, 6420 Lauterbach Verfahren zur herstellung von groesseren hohlkoerpern aus organischem kunststoffglas
US3753352A (en) * 1971-05-21 1973-08-21 Phillips Petroleum Co Perforate conduit
US3743457A (en) * 1971-07-13 1973-07-03 Acme Hamilton Mfg Corp Stock flow control means for extruders and the like
US3743456A (en) * 1971-08-20 1973-07-03 Acme Hamilton Mfg Corp Adjustable die heads for extruders and the like
NL7114597A (de) * 1971-10-22 1973-04-25
GB1380762A (en) * 1971-11-25 1975-01-15 Kirchner F Protective sheath for flexible shafts
US3861152A (en) * 1972-06-12 1975-01-21 Ernest J Maroschak Corrugated drainage pipe with staggered arrangement of plateau recesses
US3864446A (en) * 1972-06-12 1975-02-04 Plastic Tubing Method of converting corrugated pipe molding machine
US3843758A (en) * 1972-07-13 1974-10-22 Plastic Tubing Method for making and slitting plastic corrugated tubes
US3994646A (en) * 1974-01-25 1976-11-30 Frankische Isolierrohr-Und Metallwaren Werke Gebr. Kirchner Apparatus for producing double-walled tubes of plastic material
FR70398E (fr) * 1974-03-22 1959-04-06 Electronique & Physique Perfectionnements aux dispositifs de prise de vues de télévision et cinématographie
DE2413877C3 (de) * 1974-03-22 1979-02-01 Hegler, Wilhelm, 8730 Bad Kissingen Extrusionskopf zum kontinuierlichen Ummanteln eines Rohres oder Kabels
FR69963E (fr) * 1974-03-22 1959-01-30 Onera (Off Nat Aerospatiale) Appareil pour le dépouillement d'enregistrements
US4037626A (en) * 1975-09-15 1977-07-26 Standard Oil Company (Indiana) High strength composite pipe structure having leakproof joints
US4010298A (en) * 1975-12-03 1977-03-01 Angle William M Underground irrigation devices and methods of making and using the same

Also Published As

Publication number Publication date
PL200414A1 (pl) 1978-04-24
TR19812A (tr) 1980-01-03
PL110500B1 (en) 1980-07-31
JPS6028656B2 (ja) 1985-07-05
US4303104A (en) 1981-12-01
ES460822A1 (es) 1978-04-16
FI64074B (fi) 1983-06-30
GR63991B (en) 1980-01-18
DD132728A5 (de) 1978-10-25
NZ184598A (en) 1979-11-01
NO772572L (no) 1978-02-27
SU708992A3 (ru) 1980-01-05
AU506193B2 (en) 1979-12-13
CA1061726A (en) 1979-09-04
DE2637995C2 (de) 1983-05-26
JPS5326869A (en) 1978-03-13
IN148290B (de) 1981-01-03
IT1117833B (it) 1986-02-24
HU175927B (en) 1980-11-28
FR2362715A1 (fr) 1978-03-24
CH622984A5 (de) 1981-05-15
FI64074C (fi) 1983-10-10
FR2362715B1 (de) 1981-12-31
SE7709427L (sv) 1978-02-25
BE858036A (fr) 1977-12-16
CS196373B2 (en) 1980-03-31
NL7707369A (nl) 1978-02-28
YU201477A (en) 1982-08-31
GB1525450A (en) 1978-09-20
US4145387A (en) 1979-03-20
ATA463977A (de) 1981-08-15
DE2637995A1 (de) 1978-03-02
FI772332A (fi) 1978-02-25
SE422760B (sv) 1982-03-29
DK375477A (da) 1978-02-25
BR7705605A (pt) 1978-05-30
AU2726977A (en) 1979-02-01

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