GB1372074A - Method and device for regulating the wall thickness of products manufactured from synthetic materials - Google Patents

Method and device for regulating the wall thickness of products manufactured from synthetic materials

Info

Publication number
GB1372074A
GB1372074A GB4625571A GB4625571A GB1372074A GB 1372074 A GB1372074 A GB 1372074A GB 4625571 A GB4625571 A GB 4625571A GB 4625571 A GB4625571 A GB 4625571A GB 1372074 A GB1372074 A GB 1372074A
Authority
GB
United Kingdom
Prior art keywords
wall thickness
extruded
tube
die
channels
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
GB4625571A
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.)
Industriele Onderneming Wavin NV
Original Assignee
Industriele Onderneming Wavin NV
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 Industriele Onderneming Wavin NV filed Critical Industriele Onderneming Wavin NV
Publication of GB1372074A publication Critical patent/GB1372074A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83Heating or cooling the cylinders
    • B29C48/832Heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92638Length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92647Thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92657Volume or quantity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB4625571A 1970-10-05 1971-10-05 Method and device for regulating the wall thickness of products manufactured from synthetic materials Expired GB1372074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7014565A NL7014565A (enrdf_load_html_response) 1970-10-05 1970-10-05

Publications (1)

Publication Number Publication Date
GB1372074A true GB1372074A (en) 1974-10-30

Family

ID=19811224

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4625571A Expired GB1372074A (en) 1970-10-05 1971-10-05 Method and device for regulating the wall thickness of products manufactured from synthetic materials

Country Status (2)

Country Link
GB (1) GB1372074A (enrdf_load_html_response)
NL (1) NL7014565A (enrdf_load_html_response)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319480A1 (fr) * 1975-07-28 1977-02-25 Standard Oil Co Perfectionnements apportes aux tetes de filiere d'extrusion de matiere plastique
EP0047839A3 (de) * 1980-08-28 1984-05-02 Gebr. Happich GmbH Verfahren zum Herstellen einer extrudierten Kunststoff-Profilleiste sowie Vorrichtung zum Durchführen des Verfahrens
EP0153511A1 (en) * 1983-12-27 1985-09-04 Wavin B.V. Method and apparatus for extruding a plastic pipe with controlled wall thickness
EP0180571A3 (en) * 1984-09-11 1986-11-26 Erwin Hartl Extrusion die arrangement and automatic centering extrusion method
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
NL8902778A (nl) * 1988-11-18 1990-06-18 Cincinnati Milacron Austria Werkwijze voor het vervaardigen van buizen en profielen uit thermoplastische kunststofmassa's.
EP0390696A3 (en) * 1989-03-30 1991-04-17 Tomi Machinery Manfuacturing Co., Ltd. Apparatus for controlling thickness of film formed by melt extrusion
NL1018450C2 (nl) * 2001-07-03 2003-01-08 Machf De Rollepaal B V Inrichting voor het extruderen van een thermoplastisch polymeer tot een buis, en een spuitkop daarvoor.
CN111775425A (zh) * 2020-07-29 2020-10-16 广东东方管业有限公司 一种塑料管挤出成型模具
CN112643995A (zh) * 2019-10-09 2021-04-13 戴维斯-标准有限公司 具有多维控制系统的聚合物管材成型装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2341127C2 (de) * 1972-08-15 1984-03-22 E.I. du Pont de Nemours and Co., 19898 Wilmington, Del. Schlitzdüse zum Extrudieren eines thermoplastischen Kunststoffes
CN115157606A (zh) * 2022-06-20 2022-10-11 日丰新材有限公司 一种管道自动生产线

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319480A1 (fr) * 1975-07-28 1977-02-25 Standard Oil Co Perfectionnements apportes aux tetes de filiere d'extrusion de matiere plastique
EP0047839A3 (de) * 1980-08-28 1984-05-02 Gebr. Happich GmbH Verfahren zum Herstellen einer extrudierten Kunststoff-Profilleiste sowie Vorrichtung zum Durchführen des Verfahrens
EP0153511A1 (en) * 1983-12-27 1985-09-04 Wavin B.V. Method and apparatus for extruding a plastic pipe with controlled wall thickness
EP0180571A3 (en) * 1984-09-11 1986-11-26 Erwin Hartl Extrusion die arrangement and automatic centering extrusion method
US4882104A (en) * 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
NL8902778A (nl) * 1988-11-18 1990-06-18 Cincinnati Milacron Austria Werkwijze voor het vervaardigen van buizen en profielen uit thermoplastische kunststofmassa's.
EP0390696A3 (en) * 1989-03-30 1991-04-17 Tomi Machinery Manfuacturing Co., Ltd. Apparatus for controlling thickness of film formed by melt extrusion
NL1018450C2 (nl) * 2001-07-03 2003-01-08 Machf De Rollepaal B V Inrichting voor het extruderen van een thermoplastisch polymeer tot een buis, en een spuitkop daarvoor.
WO2003004247A1 (en) * 2001-07-03 2003-01-16 Machinefabriek 'de Rollepaal' B.V. Device for extruding a thermoplastic polymer into a tube, and an extruder head therefor
CN112643995A (zh) * 2019-10-09 2021-04-13 戴维斯-标准有限公司 具有多维控制系统的聚合物管材成型装置
CN111775425A (zh) * 2020-07-29 2020-10-16 广东东方管业有限公司 一种塑料管挤出成型模具

Also Published As

Publication number Publication date
NL7014565A (enrdf_load_html_response) 1972-04-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees