FR969740A - Perfectionnements relatifs à un procédé de fabrication de tubes et pellicules en matière plastique et appareils pour la mise en oeuvre de ce procédé - Google Patents

Perfectionnements relatifs à un procédé de fabrication de tubes et pellicules en matière plastique et appareils pour la mise en oeuvre de ce procédé

Info

Publication number
FR969740A
FR969740A FR969740DA FR969740A FR 969740 A FR969740 A FR 969740A FR 969740D A FR969740D A FR 969740DA FR 969740 A FR969740 A FR 969740A
Authority
FR
France
Prior art keywords
films
carrying
improvements relating
plastic tubes
manufacturing plastic
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
Other languages
English (en)
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of FR969740A publication Critical patent/FR969740A/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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/14—Dipping a core
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
    • 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
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • Y10S383/00—Flexible bags
    • Y10S383/908—Material having specified grain direction or molecular orientation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FR969740D 1948-05-03 1948-07-28 Perfectionnements relatifs à un procédé de fabrication de tubes et pellicules en matière plastique et appareils pour la mise en oeuvre de ce procédé Expired FR969740A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12138/48A GB656735A (en) 1948-05-03 1948-05-03 Improvements in or relating to a method of making plastic tubes and films

Publications (1)

Publication Number Publication Date
FR969740A true FR969740A (fr) 1950-12-26

Family

ID=9999032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969740D Expired FR969740A (fr) 1948-05-03 1948-07-28 Perfectionnements relatifs à un procédé de fabrication de tubes et pellicules en matière plastique et appareils pour la mise en oeuvre de ce procédé

Country Status (4)

Country Link
US (1) US2452080A (fr)
CA (1) CA452846A (fr)
FR (1) FR969740A (fr)
GB (1) GB656735A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1124228B (de) * 1955-05-06 1962-02-22 Du Pont Verfahren zur Herstellung formbestaendiger Gebilde, insbesondere Filme, von grossem Oberflaechenhaftvermoegen aus Niederdruck-Polyaethylen

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923954A (en) * 1960-02-09 babcock
US2541064A (en) * 1948-08-11 1951-02-13 Dow Chemical Co Method of controlling the diameter and wall thickness of vinylidene chloride polymerfilm tubes
US2583330A (en) * 1948-12-02 1952-01-22 Us Stoneware Co Apparatus for giving an internal gloss finish to a tube or the like of heat plastic material
US2747472A (en) * 1950-07-12 1956-05-29 Troth Bright Page Inc Method of making plastic folding containers
US2779973A (en) * 1952-12-24 1957-02-05 American Viscose Corp Method and apparatus for forming continuous strips of sheet material from tubing
DE1073189B (de) * 1954-03-01 1960-01-14 The Dow Chemical Company, Midland, Mich. (V. St. A.) Verfahren zum Herstellen elastischer, verformbarer Rohre aus unter normalen Bedingungen kristallinen Vinylidenchlorid-Polymerisaten
US2919462A (en) * 1954-03-15 1960-01-05 American Can Co Method of and apparatus for making plastic containers
DE1128635B (de) * 1954-08-17 1962-04-26 Hercules Powder Co Ltd Verfahren zur Herstellung eines traegerlosen, molekular orientierten Films aus einemPolymer von 3, 3-bis-(Chlormethyl)-oxacyclobutan
US2852813A (en) * 1956-03-16 1958-09-23 Dow Chemical Co Method for handling and processing tubular film
US2995990A (en) * 1956-04-18 1961-08-15 Union Carbide Corp Apparatus for the production of gusseted tubing
US3094449A (en) * 1956-04-30 1963-06-18 St Regis Paper Co Method of forming a container from a flexible laminate of foamed polystyrene
NL220331A (fr) * 1956-08-31 1900-01-01
US2955321A (en) * 1956-11-09 1960-10-11 Plax Corp Process and apparatus for manufacturing polyethylene tubing
US2976567A (en) * 1957-10-16 1961-03-28 Dow Chemical Co Process and apparatus for upgrading thermoplastic film
US3018882A (en) * 1957-11-01 1962-01-30 Union Carbide Corp Spiral roll of perforated thermoplastic multiple tubing and method and apparatus for producing same
US2987776A (en) * 1957-12-23 1961-06-13 Union Carbide Corp Method of biaxially stretching tubular styrene polymer film by inflating with gas and liquid
US3022543A (en) * 1958-02-07 1962-02-27 Grace W R & Co Method of producing film having improved shrink energy
DE1164645B (de) * 1958-05-02 1964-03-05 Grace W R & Co Verfahren zur Verbesserung der Eigenschaften von Kunststoff-Folien
US3051605A (en) * 1958-11-20 1962-08-28 Forrest B Stannard Method of making valved bags from extruded thermoplastic materials
US3013311A (en) * 1958-12-15 1961-12-19 American Viscose Corp Tubing manufacture
US3012276A (en) * 1960-08-04 1961-12-12 Plastex Company Method and apparatus for extruding plastic conduit
US2987768A (en) * 1959-03-25 1961-06-13 Plastex Company Method and apparatus for extruding plastic conduit
US3045285A (en) * 1959-05-21 1962-07-24 Jr William G Baird Method for making multilayer sheets of plastic
DE1177802B (de) * 1959-09-15 1964-09-10 Krauss Maffei Ag Verfahren und Vorrichtung zum Herstellen einer Schlauchfolie durch Aufweiten eines aus der lot-recht angeordneten Ringschlitzduese einer Schnek-kenpresse ausgepressten Schlauches aus einem thermoplastischen Kunststoff
US3157724A (en) * 1959-10-26 1964-11-17 Monsanto Co Production of high strength oriented ethylene/vinyl acetate copolymer film
US3141912A (en) * 1960-08-24 1964-07-21 Du Pont Process of treating polymeric film
US4379117A (en) * 1961-12-05 1983-04-05 W. R. Grace & Co. Method for preparing a film of vinylidene chloride polymer
GB1128809A (en) * 1965-10-28 1968-10-02 Monsanto Chemicals Foamed resins
US3480502A (en) * 1965-11-22 1969-11-25 Dow Chemical Co Method of making christmas tinsel
US3465072A (en) * 1966-10-20 1969-09-02 Grace W R & Co Method for forming biaxially oriented film
JPS516241B2 (fr) * 1972-05-30 1976-02-26
JPS5334228B2 (fr) * 1974-01-19 1978-09-19
JPS52140558A (en) * 1976-05-20 1977-11-24 Kureha Chem Ind Co Ltd Vinylidene chloride copolymer film
US4376621A (en) * 1977-03-31 1983-03-15 The Dow Chemical Company Method and apparatus for tube extrusion
US4612245A (en) * 1981-07-31 1986-09-16 W. R. Grace & Co., Cryovac Div. Blown bubble process for producing oriented thin films
CA2028206A1 (fr) * 1989-10-27 1991-04-28 Jacob Wajsbrot Procede de fabrication d'une pellicule thermoplastique conditionnee mecaniquement
IT1291668B1 (it) * 1997-04-24 1999-01-19 Tecno Coating Eng Srl Impianto per la produzione di film plastici tubolari ad orientazione biassiale con fase di stabilizzazione in linea
GB9812694D0 (en) * 1998-06-13 1998-08-12 Chase Products Limited Method of forming a flattened seal
US20020014717A1 (en) * 1999-03-31 2002-02-07 Susan Marie Kling Process for producing thermoplastic films by blown film extrusion and films produced thereby
WO2004069520A1 (fr) * 2003-02-10 2004-08-19 Uralita Sistemas De Tuberias S.A. Procede de fabrication d'un tuyau plat destine a l'acheminement d'un fluide a haute pression et tuyau ainsi fabrique
CN117944244B (zh) * 2024-03-22 2024-05-24 贵阳甬鑫塑管制造有限公司 一种塑料管材冷却定型设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2183602A (en) * 1939-12-19 Fabricating vjntlidene chloride
US2337927A (en) * 1938-02-19 1943-12-28 Sylvania Ind Corp Apparatus for making tubing
US2176925A (en) * 1939-03-15 1939-10-24 Sylvania Ind Corp Process for making tubing and product so produced
US2291670A (en) * 1939-08-31 1942-08-04 Dow Chemical Co Method of coating wire and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1124228B (de) * 1955-05-06 1962-02-22 Du Pont Verfahren zur Herstellung formbestaendiger Gebilde, insbesondere Filme, von grossem Oberflaechenhaftvermoegen aus Niederdruck-Polyaethylen

Also Published As

Publication number Publication date
US2452080A (en) 1948-10-26
CA452846A (fr) 1948-11-23
GB656735A (en) 1951-08-29

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