NL176804C - Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis. - Google Patents

Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis.

Info

Publication number
NL176804C
NL176804C NLAANVRAGE7703820,A NL7703820A NL176804C NL 176804 C NL176804 C NL 176804C NL 7703820 A NL7703820 A NL 7703820A NL 176804 C NL176804 C NL 176804C
Authority
NL
Netherlands
Prior art keywords
plastic tube
manufacturing
wall
long channels
channels
Prior art date
Application number
NLAANVRAGE7703820,A
Other languages
English (en)
Dutch (nl)
Other versions
NL176804B (nl
NL7703820A (nl
Inventor
Jan Peter Van Dongeren
Original Assignee
Wavin Bv
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 Wavin Bv filed Critical Wavin Bv
Priority to NLAANVRAGE7703820,A priority Critical patent/NL176804C/xx
Priority to FI781032A priority patent/FI67193C/fi
Priority to GB13184/78A priority patent/GB1599845A/en
Priority to NO781175A priority patent/NO153272C/no
Priority to YU00809/78A priority patent/YU80978A/xx
Priority to MX173017A priority patent/MX147106A/es
Priority to DE19782858267 priority patent/DE2858267A1/de
Priority to DE2814595A priority patent/DE2814595C2/de
Priority to FR7810076A priority patent/FR2386761A1/fr
Priority to SE7803862A priority patent/SE430316B/sv
Priority to ES469372A priority patent/ES469372A1/es
Priority to IT48751/78A priority patent/IT1102562B/it
Priority to IE670/78A priority patent/IE46521B1/en
Priority to JP4079578A priority patent/JPS5415524A/ja
Priority to DK153778A priority patent/DK151858C/da
Priority to BR7802169A priority patent/BR7802169A/pt
Priority to SU782602654A priority patent/SU1052171A3/ru
Priority to AT0244978A priority patent/AT364206B/de
Priority to BE186604A priority patent/BE865742A/xx
Priority to CH368378A priority patent/CH624458A5/it
Publication of NL7703820A publication Critical patent/NL7703820A/xx
Priority to US06/148,364 priority patent/US4305899A/en
Priority to IN1296/CAL/80A priority patent/IN153728B/en
Priority to US06/451,172 priority patent/US4440195A/en
Priority to SE8303187A priority patent/SE457904B/sv
Priority to YU01322/83A priority patent/YU132283A/xx
Priority to FI843419A priority patent/FI75524C/fi
Publication of NL176804B publication Critical patent/NL176804B/xx
Priority to NO852127A priority patent/NO852127L/no
Application granted granted Critical
Publication of NL176804C publication Critical patent/NL176804C/xx

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
    • 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
    • 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
    • B29C48/25—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
    • 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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
    • 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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
    • 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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • 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
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29L2024/006—Articles with hollow walls multi-channelled
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Materials For Medical Uses (AREA)
  • Tubes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Tyre Moulding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
NLAANVRAGE7703820,A 1977-04-06 1977-04-06 Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis. NL176804C (nl)

Priority Applications (27)

Application Number Priority Date Filing Date Title
NLAANVRAGE7703820,A NL176804C (nl) 1977-04-06 1977-04-06 Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis.
GB13184/78A GB1599845A (en) 1977-04-06 1978-04-04 Thermo plastics tube with longitudinal channels in the wall
NO781175A NO153272C (no) 1977-04-06 1978-04-04 Fremgangsmaate til fremstilling av et roer av termoplastmateriale, saasom polyvinylklorid
FI781032A FI67193C (fi) 1977-04-06 1978-04-04 Foerfarande foer framstaellning av ett termoplastroer med laengsgaoende kanaler i vaeggen
YU00809/78A YU80978A (en) 1977-04-06 1978-04-05 Thermoplastic-material profiled tube
DE19782858267 DE2858267A1 (pt) 1977-04-06 1978-04-05
DE2814595A DE2814595C2 (de) 1977-04-06 1978-04-05 Verfahren zum Herstellen eines Rohres aus thermoplastischem Kunststoff
FR7810076A FR2386761A1 (fr) 1977-04-06 1978-04-05 Tube en matiere plastique dont la paroi renferme des canaux longitudinaux
SE7803862A SE430316B (sv) 1977-04-06 1978-04-05 Sett att tillverka ett ror av termoplastmaterial sasom polyvinylklorid
ES469372A ES469372A1 (es) 1977-04-06 1978-04-05 Metodo para la fabricacion de un tubo de material plastico provisto de conductos longitudinales en su pared
IT48751/78A IT1102562B (it) 1977-04-06 1978-04-05 Tubo in materiale plastico con canali lontiduginali incorporati nella parete e procedimento di fabbricazione
IE670/78A IE46521B1 (en) 1977-04-06 1978-04-05 A plastics tube with longitudinal channels in the wali
MX173017A MX147106A (es) 1977-04-06 1978-04-05 Mejoras en metodo para fabricar un tubo de material plastico con canales longitudinales en la pared
DK153778A DK151858C (da) 1977-04-06 1978-04-06 Fremgangsmaade til fremstilling af et roer af termoplastisk materiale
JP4079578A JPS5415524A (en) 1977-04-06 1978-04-06 Plastic tube
BR7802169A BR7802169A (pt) 1977-04-06 1978-04-06 Tubo de materiais termoplasticos,e processo para a sua fabricacao
SU782602654A SU1052171A3 (ru) 1977-04-06 1978-04-06 Способ изготовлени трубы из термопластического материала
AT0244978A AT364206B (de) 1977-04-06 1978-04-06 Rohr aus thermoplastischem material
BE186604A BE865742A (fr) 1977-04-06 1978-04-06 Kunststofbuis met langskanalen
CH368378A CH624458A5 (pt) 1977-04-06 1978-04-06
US06/148,364 US4305899A (en) 1977-04-06 1980-05-09 Method of manufacturing a plastic tube with longitudinal channels in the wall
IN1296/CAL/80A IN153728B (pt) 1977-04-06 1980-11-20
US06/451,172 US4440195A (en) 1977-04-06 1982-12-20 Plastic tube with longitudinal channels in the wall
SE8303187A SE457904B (sv) 1977-04-06 1983-06-06 Sprutat roer av termoplastmaterial
YU01322/83A YU132283A (en) 1977-04-06 1983-06-15 Process for making thermoplastic profiled tubes
FI843419A FI75524C (fi) 1977-04-06 1984-08-30 Straengpressat plastroer med laengsriktade kanaler i vaeggen.
NO852127A NO852127L (no) 1977-04-06 1985-05-29 Ekstrudert roer av termoplastmateriale med langsgaaende kanaler i roerveggen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7703820,A NL176804C (nl) 1977-04-06 1977-04-06 Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis.

Publications (3)

Publication Number Publication Date
NL7703820A NL7703820A (nl) 1978-10-10
NL176804B NL176804B (nl) 1985-01-02
NL176804C true NL176804C (nl) 1985-06-03

Family

ID=19828317

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7703820,A NL176804C (nl) 1977-04-06 1977-04-06 Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis.

Country Status (21)

Country Link
US (2) US4305899A (pt)
JP (1) JPS5415524A (pt)
AT (1) AT364206B (pt)
BE (1) BE865742A (pt)
BR (1) BR7802169A (pt)
CH (1) CH624458A5 (pt)
DE (2) DE2814595C2 (pt)
DK (1) DK151858C (pt)
ES (1) ES469372A1 (pt)
FI (1) FI67193C (pt)
FR (1) FR2386761A1 (pt)
GB (1) GB1599845A (pt)
IE (1) IE46521B1 (pt)
IN (1) IN153728B (pt)
IT (1) IT1102562B (pt)
MX (1) MX147106A (pt)
NL (1) NL176804C (pt)
NO (2) NO153272C (pt)
SE (2) SE430316B (pt)
SU (1) SU1052171A3 (pt)
YU (2) YU80978A (pt)

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NL175753C (nl) * 1977-11-18 1984-12-17 Wavin Bv Bronbuis.
DE3317661C2 (de) * 1983-05-14 1986-06-26 Stettner & Co, 8560 Lauf Kaminrohr
FR2596692B1 (fr) * 1986-04-04 1988-09-09 Atochem Tubes en matiere plastique semi-cristalline extrudes presentant une resistance au choc a froid et a la traction amelioree par un traitement thermique et leur procede de fabrication
US5252157A (en) * 1989-05-01 1993-10-12 Central Plastics Company Electrothermal fusion of large diameter pipes by electric heating wire wrapping and sleeve connector
US5514069A (en) * 1993-12-22 1996-05-07 Baxter International Inc. Stress-bearing umbilicus for a compact centrifuge
US5661263A (en) * 1995-05-10 1997-08-26 Phaeton, Llc Surface raceway and method
US5989177A (en) * 1997-04-11 1999-11-23 Baxter International Inc. Umbilicus gimbal with bearing retainer
US6344020B1 (en) 1997-04-11 2002-02-05 Baxter International Inc. Bearing and umbilicus gimbal with bearing retainer in blood processing system
US6702520B2 (en) 2000-05-10 2004-03-09 C.I. Technologies Multi-purpose rehabilitation of conduits
US6311730B2 (en) 2000-10-05 2001-11-06 G. Gregory Penza Communications conduit installation method and conduit-containing product suitable for use therein
US6748982B2 (en) 2001-11-13 2004-06-15 Tokheim Holding B.V. Integrated fuel delivery and vapor recovery system for a fuel dispenser
US7479123B2 (en) 2002-03-04 2009-01-20 Therakos, Inc. Method for collecting a desired blood component and performing a photopheresis treatment
US7211037B2 (en) * 2002-03-04 2007-05-01 Therakos, Inc. Apparatus for the continuous separation of biological fluids into components and method of using same
JP4171280B2 (ja) * 2002-03-06 2008-10-22 積水化学工業株式会社 硬質塩化ビニル系樹脂管
NL1021124C2 (nl) * 2002-03-28 2003-09-30 Nefit Buderus B V Warmtewisselaar, verbrandingsinrichting omvattende een warmtewisselaar, afsluitelement voor gebruik in een dergelijke warmtewisselaar en werkwijze voor het vervaardigen van een warmtewisselaar.
US20050049539A1 (en) * 2003-09-03 2005-03-03 O'hara Gerald P. Control system for driving fluids through an extracorporeal blood circuit
GB2408961A (en) * 2003-12-12 2005-06-15 Univ Cambridge Tech Apparatus and method
US7476209B2 (en) * 2004-12-21 2009-01-13 Therakos, Inc. Method and apparatus for collecting a blood component and performing a photopheresis treatment
GB0620246D0 (en) * 2006-10-12 2006-11-22 Univ Cambridge Tech Extruded materials having capillary channels
US8257239B2 (en) 2010-06-15 2012-09-04 Fenwal, Inc. Umbilicus for use in an umbilicus-driven fluid processing
US8277369B2 (en) 2010-06-15 2012-10-02 Fenwal, Inc. Bearing and bearing assembly for umbilicus of a fluid processing system
US9383044B2 (en) 2013-02-15 2016-07-05 Fenwal, Inc. Low cost umbilicus without overmolding
US10596943B2 (en) * 2016-08-24 2020-03-24 Amatrimara Inc. Stanchion padding
CN114434773A (zh) * 2022-01-06 2022-05-06 内蒙古师范大学 一种大口径有机玻璃棒的制备系统

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US3941157A (en) * 1974-07-24 1976-03-02 Barnett Louis H High strength multiple passageway plastic conduit
JPS5117261A (en) * 1974-08-01 1976-02-12 Kubota Ltd Enkabinirupaipuno naimensenjooshidashiseikeihoho
JPS5117260A (en) * 1974-08-01 1976-02-12 Kubota Ltd Enkabinirupaipuno naimenmudokukaoshidashiseikeihoho
JPS523215B2 (pt) * 1974-09-27 1977-01-26
JPS5144772U (pt) * 1974-09-28 1976-04-02
NL7500386A (nl) * 1975-01-13 1976-07-15 Wavin Bv Werkwijze en inrichting voor het vervaardigen van een kunststofbuis met langwerpige kanalen in de wand.
JPS51111872A (en) * 1975-03-28 1976-10-02 Kubota Ltd Method of extruding long plastic tubu to produce tubu with connecting socket protion
JPS51137462U (pt) * 1975-04-30 1976-11-06

Also Published As

Publication number Publication date
YU132283A (en) 1986-06-30
CH624458A5 (pt) 1981-07-31
SE8303187D0 (sv) 1983-06-06
DE2814595A1 (de) 1978-10-19
FR2386761A1 (fr) 1978-11-03
JPS5640012B2 (pt) 1981-09-17
SU1052171A3 (ru) 1983-10-30
NO781175L (no) 1978-10-09
US4305899A (en) 1981-12-15
FI67193C (fi) 1985-02-11
DK151858C (da) 1988-09-05
SE8303187L (sv) 1983-06-06
AT364206B (de) 1981-10-12
DE2814595C2 (de) 1985-09-12
NO153272C (no) 1986-02-12
BR7802169A (pt) 1978-11-21
NL176804B (nl) 1985-01-02
SE7803862L (sv) 1978-10-07
US4440195A (en) 1984-04-03
NO153272B (no) 1985-11-04
SE430316B (sv) 1983-11-07
SE457904B (sv) 1989-02-06
FI67193B (fi) 1984-10-31
DK151858B (da) 1988-01-11
IE780670L (en) 1978-10-06
JPS5415524A (en) 1979-02-05
FR2386761B1 (pt) 1982-11-05
ES469372A1 (es) 1979-02-01
YU80978A (en) 1984-04-30
IN153728B (pt) 1984-08-11
MX147106A (es) 1982-10-06
DK153778A (da) 1978-10-07
IE46521B1 (en) 1983-07-13
IT1102562B (it) 1985-10-07
NL7703820A (nl) 1978-10-10
IT7848751A0 (it) 1978-04-05
GB1599845A (en) 1981-10-07
ATA244978A (de) 1981-02-15
NO852127L (no) 1978-10-09
DE2858267A1 (pt) 1985-05-09
BE865742A (fr) 1978-10-06
FI781032A (fi) 1978-10-07

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