IT1061554B - Procedimento ed apparecchiatura per produrre ad estrusione corpi di resina con spessore differente - Google Patents

Procedimento ed apparecchiatura per produrre ad estrusione corpi di resina con spessore differente

Info

Publication number
IT1061554B
IT1061554B IT49484/76A IT4948476A IT1061554B IT 1061554 B IT1061554 B IT 1061554B IT 49484/76 A IT49484/76 A IT 49484/76A IT 4948476 A IT4948476 A IT 4948476A IT 1061554 B IT1061554 B IT 1061554B
Authority
IT
Italy
Prior art keywords
resin
bodies
equipment
different thickness
extrusion production
Prior art date
Application number
IT49484/76A
Other languages
English (en)
Original Assignee
Sekisui 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
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Application granted granted Critical
Publication of IT1061554B publication Critical patent/IT1061554B/it

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
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2883—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of preformed parts, e.g. inserts, retaining their shape during the extrusion process
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92161—Volume or quantity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92333—Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92657—Volume or quantity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92952—Drive section, e.g. gearbox, motor or drive fluids
    • 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
    • B29C48/13—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT49484/76A 1975-05-16 1976-05-14 Procedimento ed apparecchiatura per produrre ad estrusione corpi di resina con spessore differente IT1061554B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50059032A JPS51134752A (en) 1975-05-16 1975-05-16 Method of extrusion molding resin molded article with different thicknesses

Publications (1)

Publication Number Publication Date
IT1061554B true IT1061554B (it) 1983-04-30

Family

ID=13101530

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49484/76A IT1061554B (it) 1975-05-16 1976-05-14 Procedimento ed apparecchiatura per produrre ad estrusione corpi di resina con spessore differente

Country Status (6)

Country Link
US (1) US4110394A (it)
JP (1) JPS51134752A (it)
CA (1) CA1074521A (it)
DE (1) DE2621465C3 (it)
GB (1) GB1553621A (it)
IT (1) IT1061554B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310484C1 (de) * 1983-03-23 1984-07-12 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Verfahren zur Erzielung eines maximalen Ausstosses eines Doppelschneckenextruders
JPH03227217A (ja) * 1990-01-31 1991-10-08 Sekisui Chem Co Ltd 多層インフレーション成形ラインにおける厚み制御装置
JP2797864B2 (ja) * 1992-10-30 1998-09-17 豊田合成株式会社 厚み変化を有するウインドモールの製造方法
DE69332271T2 (de) * 1993-08-31 2003-05-15 Tokai Kogyo K.K., Obu Verfahren und vorrichtung zum strangpressen
US7632433B1 (en) * 2004-03-23 2009-12-15 Frederick Mitchell Gallant Process for making gradient materials
US9124083B2 (en) 2010-01-25 2015-09-01 Apple Inc. Compression molded cable structures and methods for making the same
DE102015209394A1 (de) * 2015-05-22 2016-11-24 Leoni Kabel Holding Gmbh Verfahren sowie Vorrichtung zur Herstellung elnes Strangguts sowie Stranggut

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH417060A (de) * 1961-02-25 1966-07-15 Anger Kunststoff Verfahren zur Herstellung von Kunststoffrohren mit mindestens an einem Ende auf eine bestimmte Länge erhöhtem Wandquerschnitt und Vorrichtung zur Durchführung des Verfahrens
GB998063A (en) * 1963-02-18 1965-07-14 Du Pont Process and apparatus for the extrusion of fusible polymers
CH406620A (de) * 1963-02-25 1966-01-31 Kunststoffmaschinen Ag Maschine zum Herstellen von Hohlkörpern aus thermoplastischem Kunststoff
DE1579002B1 (de) * 1965-11-11 1970-09-03 Vickers Zimmer Ag Beheizbare Strangpresse
JPS5418301B2 (it) * 1972-05-12 1979-07-06
GB1429691A (en) * 1972-07-29 1976-03-24 Furukawa Electric Co Ltd Method and apparatus for forming a covering on an elongate core member
DE2433242A1 (de) * 1974-07-11 1976-01-29 Gofini Ag Verfahren zum betrieb einer anlage zur herstellung eines kunststoffprofilstranges und fuer das verfahren ausgeruestete anlage
JPS587448B2 (ja) * 1974-09-25 1983-02-09 積水化学工業株式会社 アツニクブト ウスニクブトオ コウゴ ニユウスル ジユシカンノ セイゾウホウホウ

Also Published As

Publication number Publication date
DE2621465A1 (de) 1976-11-25
US4110394A (en) 1978-08-29
JPS51134752A (en) 1976-11-22
GB1553621A (en) 1979-09-26
DE2621465B2 (de) 1981-04-02
DE2621465C3 (de) 1981-11-05
CA1074521A (en) 1980-04-01

Similar Documents

Publication Publication Date Title
ES418128A1 (es) Procedimiento y dispositivo combinados de extrusion y mol- deo de materias en estado plastico.
IT965359B (it) Procedimento per la produzione di polveri di materie plastiche viniliche ed ugello per realizzarlo
FR1497770A (fr) Procédé d'extrusion pour la production de feuilles de résine transformée en mousse
GB1553621A (en) Process for extruding a synthetic resin body having portions of different thickness
FR2120942A5 (en) Fibre feed - from vane mixing chamber to screw press for injection moulding as strengthened plastic
ZA707038B (en) A method for producing an extruded plastic material product
ZA7478B (en) Shaped articles of thermoplastic plastics material and process for their production
CA982764A (en) Production of bodies from synthetic plastics material
FR1335219A (fr) Procédé de fabrication d'objets façonnés par moulage par compression de matières plastiques
ZA711012B (en) Synthetic material for producing articles by means of extrusion and injection moulding
CA946571A (en) Process for the production of amorphous transparent mouldings by the combined injection and blow moulding technique
IL32015A0 (en) Process for the production of films of plastic material
GB1367245A (en) Process for producing products wholly or partly of plastics material
BE819912A (fr) Procede de production de poudres de matieres plastiques contenant des emulsionnants
CA1017106A (en) Method and apparatus for the production of improved films of plastics material and cellulosic stock
AU478622B2 (en) A method for the production of an extruded plastic material product
ES362403A1 (es) Procedimiento de fabricacion continuo de tiras extrusiona- das, para revestimiento de superficies.
IL34515A0 (en) Apparatus for the production of continuous lengths of plastics material
CA901947A (en) Process of making molding cauls for the production of textured plastic laminates
AU425983B2 (en) A process for the production of a foamed thermoplastic product by extrusion, and the product thus produced
CA860212A (en) Process for the production of a foamed thermoplastic product by extrusion, and the product thus produced
CA895236A (en) Vulcanization accelerators in the form of small spheres and process for their production
AU423183B2 (en) A process for the manufacture of tubes of plastic material, a plant for their production and the tube obtained
CA718810A (en) Process and apparatus for the production of plastic articles
AU3064967A (en) A process for the production of a foamed thermoplastic product by extrusion, and the product thus produced