NO133697C - - Google Patents

Info

Publication number
NO133697C
NO133697C NO697/68A NO69768A NO133697C NO 133697 C NO133697 C NO 133697C NO 697/68 A NO697/68 A NO 697/68A NO 69768 A NO69768 A NO 69768A NO 133697 C NO133697 C NO 133697C
Authority
NO
Norway
Application number
NO697/68A
Other versions
NO133697B (no
Inventor
Wilhelm Hegler
Original Assignee
Wilhelm Hegler
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 Wilhelm Hegler filed Critical Wilhelm Hegler
Publication of NO133697B publication Critical patent/NO133697B/no
Publication of NO133697C publication Critical patent/NO133697C/no

Links

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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/22—Multi-channel hoses
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
    • B29C48/0016—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die using a plurality of extrusion dies
    • 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
    • B29C48/13—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
    • B29C48/16—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
    • B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • 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
    • B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
    • B29C49/0021—Making 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
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • F16L11/118—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having arrangements for particular purposes, e.g. electrically conducting
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
    • 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
    • B29C48/03—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2016/00—Articles with corrugations or pleats
    • 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
    • B29L2023/003—Tubular articles having irregular or rough surfaces
    • 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
    • B29L2023/18—Pleated or corrugated hoses
    • B29L2023/186—Pleated or corrugated hoses having a smooth internal wall
    • 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
    • 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
    • B29L2024/003—Articles with hollow walls comprising corrugated cores
    • 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
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
    • B29L2031/601—Multi-tubular articles, i.e. composed of a plurality of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
NO697/68A 1967-02-27 1968-02-26 NO133697C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT188067A AT325299B (de) 1967-02-27 1967-02-27 Vorrichtung zur herstellung von rohren aus thermoplastischem kunststoff

Publications (2)

Publication Number Publication Date
NO133697B NO133697B (no) 1976-03-08
NO133697C true NO133697C (no) 1976-06-16

Family

ID=3523008

Family Applications (1)

Application Number Title Priority Date Filing Date
NO697/68A NO133697C (no) 1967-02-27 1968-02-26

Country Status (14)

Country Link
US (2) US3538209A (no)
JP (1) JPS5120548B1 (no)
AT (1) AT325299B (no)
BE (1) BE711283A (no)
CH (1) CH486309A (no)
DE (1) DE1704718B2 (no)
DK (1) DK126574B (no)
ES (1) ES350914A1 (no)
FI (1) FI49261C (no)
FR (1) FR1554523A (no)
GB (1) GB1148277A (no)
NL (1) NL143165B (no)
NO (1) NO133697C (no)
SE (1) SE324653B (no)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO137141C (no) * 1968-10-30 1978-01-11 Wavin Bv Fremgangsm}te og innretning til kontinuerlig fremstilling av et termoplastisk, korrugert r¦r
US3743457A (en) * 1971-07-13 1973-07-03 Acme Hamilton Mfg Corp Stock flow control means for extruders and the like
DE2138437A1 (de) * 1971-07-31 1973-02-15 Wilhelm Hegler Vorrichtung zur herstellung von kunststoffrohren mit schraubenfoermig gewundener querwand
US3743456A (en) * 1971-08-20 1973-07-03 Acme Hamilton Mfg Corp Adjustable die heads for extruders and the like
US3792951A (en) * 1972-01-24 1974-02-19 Extrudyne Inc Apparatus for producing extruded hollow board
DE2619129C2 (de) * 1976-04-30 1982-04-15 Ziegelwerke Heinrich Oltmanns, 2905 Edewecht Aus einem extrudierten Schlauch hergestelltes gewelltes Rohr aus thermoplastischem Kunststoffmaterial
US3784346A (en) * 1972-06-12 1974-01-08 Plastic Tubing Converted corrugated pipe molding machine
DE2329473A1 (de) * 1972-06-13 1974-01-03 Nordstroem Erik G W Verfahren zur anordnung von durch die rohrwandung gewellter kunststoffrohre hindurchgehenden loechern und vorrichtung fuer durchfuehrung des verfahrens
BE795687A (fr) * 1972-06-26 1973-06-18 Sudo Michio Procede et appareil pour la fabrication d'un film cylindrique aplati se composant de couches de resine thermoplastique, etirees transversalement
US4017229A (en) * 1972-06-26 1977-04-12 Michio Sudo Apparatus for uniting concentrically extruded tubular films of thermoplastic synthetic resin
CA978487A (en) * 1972-07-03 1975-11-25 Donald L. Kleykamp Hose construction and apparatus and method for making same
US3876740A (en) * 1972-10-27 1975-04-08 Standard Oil Co Process for improving interior surface smoothness and gloss in foamed tubular extrudates by the use of extrusion die faces of novel geometry
US3804574A (en) * 1972-12-07 1974-04-16 C Gatto Apparatus for sizing shaped articles
US3844700A (en) * 1973-02-06 1974-10-29 Beloit Corp Method and apparatus for forming continuous thermoplastic pipe having corrugated segments
US4353859A (en) * 1973-08-01 1982-10-12 Sherwin Palmer Method for making fittings and couplings
US3981663A (en) * 1973-09-10 1976-09-21 Lupke Gerd Paul Heinrich Apparatus for making high speed corrugated plastic tubing
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US3994646A (en) * 1974-01-25 1976-11-30 Frankische Isolierrohr-Und Metallwaren Werke Gebr. Kirchner Apparatus for producing double-walled tubes of plastic material
FR69963E (fr) * 1974-03-22 1959-01-30 Onera (Off Nat Aerospatiale) Appareil pour le dépouillement d'enregistrements
FR70398E (fr) * 1974-03-22 1959-04-06 Electronique & Physique Perfectionnements aux dispositifs de prise de vues de télévision et cinématographie
JPS50158659A (no) * 1974-06-14 1975-12-22
US4184831A (en) * 1974-06-20 1980-01-22 Hegler Ralph Peter Apparatus for producing plastic drain pipes
US3963403A (en) * 1974-12-13 1976-06-15 Hughes Processing, Inc. Apparatus for making foam plastic pipe
DE2519705C2 (de) * 1975-05-02 1982-03-18 MFC Maschinenfabrik Chur AG, Chur Vorrichtung zum Strangpressen von Rohren
DE2605546C3 (de) * 1976-02-10 1986-03-27 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Blasform zur Herstellung von Faltenbälgen aus Kunststoff
JPS5814294B2 (ja) * 1976-04-26 1983-03-18 呉羽化学工業株式会社 合成樹脂複合管状体の成形方法及びダイ構造
DE2723679A1 (de) * 1976-05-27 1977-12-15 Tokan Kogyo Co Ltd Verbindungsstueck fuer mehrwandige thermoplastische rohrleitungen und verfahren zu seiner herstellung
US4319872A (en) * 1976-12-01 1982-03-16 Lupke Gerd Paul Heinrich Apparatus for producing thermoplastic tubing
US4136143A (en) * 1977-02-22 1979-01-23 Lupke Gerd Paul Heinrich Apparatus for and method of producing corrugated thermoplastic tubing
US4113818A (en) * 1977-03-02 1978-09-12 Agro-Drip, Incorporated Drain pipe method
US4211741A (en) * 1977-04-07 1980-07-08 Sunlite Plastics, Inc. Extrusion process for laminated medical-surgical tubing
CA1109619A (en) * 1977-05-16 1981-09-29 Robert L. Hornbeck Method of making lightweight, rigid thermoplastic pipe
CA1092764A (en) * 1977-09-13 1981-01-06 Gerd P.H. Lupke Apparatus for and method of producing corrugated thermoplastic tubing
AT374737B (de) * 1978-03-30 1984-05-25 Cincinnati Milacron Austria Spritzkopf
DE2915691C2 (de) * 1979-04-18 1985-05-02 Takiron Co. Ltd., Osaka Kunstharzrohr für Be- oder Entwässerungszwecke oder dgl. sowie Verfahren zu seiner Herstellung
US4312383A (en) * 1980-04-21 1982-01-26 Dayco Corporation Hose construction and apparatus for and method of making same
DE3029545A1 (de) * 1980-08-04 1982-03-11 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Biegbares waermeisoliertes leitungsrohr
US4305703A (en) * 1980-09-12 1981-12-15 Lupke Manfred Arno Alfred Composite die assembly for use in the production of thermoplastic tubing
US4377545A (en) * 1981-06-16 1983-03-22 Borg-Warner Chemicals, Inc. Method of making corrugated reinforced thermoplastic pipe
JPS5844583U (ja) * 1981-09-18 1983-03-25 金尾　史朗 合成樹脂製コルゲ−ト二重管
US4402898A (en) * 1981-09-28 1983-09-06 Hancor, Inc. Coextrusion die assembly
US4439130A (en) * 1981-11-23 1984-03-27 Cullom Machine Tool & Die, Inc. Plastic tile corrugator
CA1172813A (en) * 1982-06-16 1984-08-21 Lupke, Manfred A. A. Apparatus for producing multi-walled thermoplastic tubing
CA1187258A (en) * 1982-12-02 1985-05-21 Lupke, Manfred A. A. Method and apparatus for forming a double walled thermoplastic tube with integral bells
US4499041A (en) * 1983-05-23 1985-02-12 Cosden Technology, Inc. Coextrusion process for producing multiple layered thermoplastic pipe
CA1194663A (en) * 1983-05-27 1985-10-08 Lupke, Manfred A. A. Calibrator for use in the manufacture of double walled thermoplastic pipe
US4500284A (en) * 1983-09-16 1985-02-19 Lupke Manfred Arno Alfred Forming single wall bells in double wall pipe
SE449456B (sv) * 1983-11-15 1987-05-04 Uponor Ab Forfarande och anordning for framstellning av ror varvid formbacksdelarna er delade i formstreckans lengsriktning
US5124109A (en) * 1984-07-18 1992-06-23 Contech Construction Products Inc. Method for producing a double wall pipe
DE3513708C2 (de) * 1985-04-12 1994-04-21 Drossbach Gmbh & Co Kg Extrusionskopf zur Herstellung doppelwandiger Kunststoffrohre mit zylindrischem Innenrohr und quergewelltem Außenrohr
US4846660A (en) * 1984-07-18 1989-07-11 Contech Construction Products Inc. Apparatus for producing double wall pipe
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SE446954B (sv) * 1985-03-12 1986-10-20 Uponor Ab Sett vid extrudering av ett dubbelveggigt plastror samt extruderingsverktyg for utovning av settet
US4770618A (en) * 1986-01-15 1988-09-13 Lupke Manfred Arno Alfred Extrusion die for two-ply plastic tubing
US4712993A (en) * 1986-03-25 1987-12-15 Lupke Manfred Arno Alfred Extrusion die for externally ribbed plastic tubing
US4936768A (en) * 1986-03-25 1990-06-26 Lupke Manfred Arno Alfred Extrusion die for externally ribbed plastic tubing
DE3701822A1 (de) * 1987-01-22 1988-08-11 Uponor Nv Verfahren und anordnung zum strangpressen von kunststoffrohren
NL193610C (nl) * 1987-01-28 2000-04-04 Uponor Innovation Ab Werkwijze voor het extruderen van kunststof pijpen.
US4718844A (en) * 1987-02-27 1988-01-12 Cullim Machine Tool & Die, Inc. Corrugated mold block
DE3744510A1 (de) * 1987-12-30 1989-07-13 Wilhelm Hegler Rohrverbindungs-element
CA1298450C (en) * 1988-09-16 1992-04-07 Manfred A. A. Lupke Suction applying molded blocks in pipe forming apparatus
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DE3921075A1 (de) * 1989-06-28 1991-01-03 Wilhelm Hegler Kunststoff-rohr zur kanalrohrsanierung
CA1319478C (en) * 1989-09-28 1993-06-29 Manfred A. A. Lupke Extrusion die having elongated extrusion nozzle which facilitates tool changes
WO1991006419A1 (en) * 1989-10-30 1991-05-16 Lupke Manfred Arno Alfred Apparatus for making plastic tubing including mold blocks hingeably openable and closeable
DE4111229A1 (de) * 1991-04-08 1992-10-15 Wilhelm Hegler Vorrichtung zur herstellung von kunststoff-rohren
DE4129855C2 (de) * 1991-09-07 1999-09-16 Wilhelm Hegler Verfahren zum Verschweißen von aus thermoplastischem Kunststoff bestehenden Rohren
DE4224743C1 (de) * 1992-07-27 1994-01-05 Drossbach Gmbh & Co Kg Kabelschutzrohr
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FR2718509B1 (fr) * 1994-04-07 1996-08-30 Courant Ets Sa Procédé et dispositif pour la réalisation de tulipes sur des tubes annelés à deux parois.
US5562254A (en) * 1994-08-02 1996-10-08 Environment One Corp. Grinder pump station
DE19504501A1 (de) * 1995-02-13 1996-08-14 Wilhelm Hegler Verfahren und Anlage zur Herstellung eines Mehrschicht-Rohres aus thermoplastischem Kunststoff, insbesondere Polyolefin
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DE19835189C2 (de) * 1998-08-04 2001-02-08 Unicor Rohrsysteme Gmbh Vorrichtung zur kontinuierlichen Herstellung von nahtlosen Kunststoffrohren
DE19848470A1 (de) * 1998-10-21 2000-04-27 Ralph Peter Hegler Verfahren zur fortlaufenden Herstellung eines Verbundrohres mit einer Rohr-Muffe und Vorrichtung zur Durchführung des Verfahrens
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NL143165B (nl) 1974-09-16
US3538209A (en) 1970-11-03
JPS5120548B1 (no) 1976-06-25
SE324653B (no) 1970-06-08
CH486309A (de) 1970-02-28
FI49261C (fi) 1975-05-12
BE711283A (no) 1968-07-01
US3677676A (en) 1972-07-18
FI49261B (no) 1975-01-31
DE1704718A1 (de) 1971-07-29
NL6802302A (no) 1968-08-28
AT325299B (de) 1975-10-10
FR1554523A (no) 1969-01-17
GB1148277A (en) 1969-04-10
DK126574B (da) 1973-07-30
ES350914A1 (es) 1969-12-01
DE1704718B2 (de) 1976-12-23
NO133697B (no) 1976-03-08

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