FR2324979B1 - Tuyau a deux conduits dont la cloison de separation comporte des saillies d'arret sur la paroi externe, et son procede de fabrication - Google Patents

Tuyau a deux conduits dont la cloison de separation comporte des saillies d'arret sur la paroi externe, et son procede de fabrication

Info

Publication number
FR2324979B1
FR2324979B1 FR7628316A FR7628316A FR2324979B1 FR 2324979 B1 FR2324979 B1 FR 2324979B1 FR 7628316 A FR7628316 A FR 7628316A FR 7628316 A FR7628316 A FR 7628316A FR 2324979 B1 FR2324979 B1 FR 2324979B1
Authority
FR
France
Prior art keywords
ducts
pipe
manufacturing
external wall
separation partition
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
Application number
FR7628316A
Other languages
English (en)
Other versions
FR2324979A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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
Priority claimed from JP50114970A external-priority patent/JPS5238572A/ja
Priority claimed from JP50114969A external-priority patent/JPS5238629A/ja
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of FR2324979A1 publication Critical patent/FR2324979A1/fr
Application granted granted Critical
Publication of FR2324979B1 publication Critical patent/FR2324979B1/fr
Expired legal-status Critical Current

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
    • 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
    • B29C66/61—Joining from or joining on the inside
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • 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
    • B29C48/25—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
    • 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
    • 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
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FR7628316A 1975-09-22 1976-09-21 Tuyau a deux conduits dont la cloison de separation comporte des saillies d'arret sur la paroi externe, et son procede de fabrication Expired FR2324979B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50114970A JPS5238572A (en) 1975-09-22 1975-09-22 Method of producing special pipe
JP50114969A JPS5238629A (en) 1975-09-22 1975-09-22 Special pipe and it's manufacturing method

Publications (2)

Publication Number Publication Date
FR2324979A1 FR2324979A1 (fr) 1977-04-15
FR2324979B1 true FR2324979B1 (fr) 1981-03-27

Family

ID=26453597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628316A Expired FR2324979B1 (fr) 1975-09-22 1976-09-21 Tuyau a deux conduits dont la cloison de separation comporte des saillies d'arret sur la paroi externe, et son procede de fabrication

Country Status (9)

Country Link
US (1) US4113814A (fr)
AU (1) AU505222B2 (fr)
BR (1) BR7606232A (fr)
CA (1) CA1080418A (fr)
DE (1) DE2642159A1 (fr)
FR (1) FR2324979B1 (fr)
GB (1) GB1555089A (fr)
IL (1) IL50520A (fr)
NL (1) NL7610382A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550008A (en) * 1981-06-15 1985-10-29 Excell Corporation Method for molding plastic products
US4655987A (en) * 1982-10-12 1987-04-07 Guillermo Zertuche Method and apparatus for extruding tubular articles having several conduits
US4880167A (en) * 1987-09-23 1989-11-14 James Hardie Irrigation, Inc. Irrigation hose with linear turbulent flow emitter
DE3908699A1 (de) * 1989-03-16 1990-09-20 Johannes Dipl Ing Friedlin Rohr insbesondere fuer warmwasserversorgungsanlagen
US5028376A (en) * 1989-07-24 1991-07-02 Phillips Petroleum Company Plastic pipe extrusion
FR2671511B1 (fr) * 1991-01-10 1994-08-26 Alphacan Sa Profile a structure alveolaire en resine thermoplastique - appareillage d'extrusion pour l'obtention du profile et son procede de fabrication.
US5536461A (en) * 1994-12-22 1996-07-16 Sinclair & Rush, Inc. Tube multi-pack methods of manufacture
US5639408A (en) * 1994-12-22 1997-06-17 Sinclair & Rush, Inc. Method and apparatus for forming plastic tube with spiral inlayed exterior design
WO2010078579A1 (fr) * 2009-01-05 2010-07-08 Developmental Technologies, Llc Système de canalisations d'adduction à pression uniforme pour élévations variables et procédés associés

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708253A (en) * 1970-09-01 1973-01-02 J Lemelson Extrusion apparatus
JPS5030958A (fr) * 1973-07-18 1975-03-27

Also Published As

Publication number Publication date
US4113814A (en) 1978-09-12
FR2324979A1 (fr) 1977-04-15
IL50520A0 (en) 1976-11-30
AU1792476A (en) 1978-04-06
AU505222B2 (en) 1979-11-15
DE2642159A1 (de) 1977-03-31
IL50520A (en) 1980-07-31
BR7606232A (pt) 1977-06-14
GB1555089A (en) 1979-11-07
CA1080418A (fr) 1980-07-01
NL7610382A (nl) 1977-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse