DE3665690D1 - A device for measuring the wall thickness of an extruded tubular section during extrusion, extrusion apparatus with such a device and extruded tubular section obtained by using said device - Google Patents

A device for measuring the wall thickness of an extruded tubular section during extrusion, extrusion apparatus with such a device and extruded tubular section obtained by using said device

Info

Publication number
DE3665690D1
DE3665690D1 DE8686200502T DE3665690T DE3665690D1 DE 3665690 D1 DE3665690 D1 DE 3665690D1 DE 8686200502 T DE8686200502 T DE 8686200502T DE 3665690 T DE3665690 T DE 3665690T DE 3665690 D1 DE3665690 D1 DE 3665690D1
Authority
DE
Germany
Prior art keywords
tube
arm
wall thickness
tubular section
extruded tubular
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
DE8686200502T
Other languages
English (en)
Inventor
Mattheus Jacobus Poiesz
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.)
Wavin BV
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
Application granted granted Critical
Publication of DE3665690D1 publication Critical patent/DE3665690D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/002—Details
    • G01B3/008—Arrangements for controlling the measuring force
    • 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
    • B29C2948/92152—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
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92428—Calibration, after-treatment, or cooling zone
    • 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
    • B29C2948/92523—Force; Tension
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE8686200502T 1985-03-26 1986-03-25 A device for measuring the wall thickness of an extruded tubular section during extrusion, extrusion apparatus with such a device and extruded tubular section obtained by using said device Expired DE3665690D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8500882A NL8500882A (nl) 1985-03-26 1985-03-26 Inrichting voor het meten van de wanddikte van een geextrudeerd buisdeel tijdens het extruderen, alsmede extrusie-inrichting met een dergelijke inrichting en geextrudeerd buisdeel verkregen met behulp van deze inrichting.

Publications (1)

Publication Number Publication Date
DE3665690D1 true DE3665690D1 (en) 1989-10-26

Family

ID=19845739

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686200502T Expired DE3665690D1 (en) 1985-03-26 1986-03-25 A device for measuring the wall thickness of an extruded tubular section during extrusion, extrusion apparatus with such a device and extruded tubular section obtained by using said device

Country Status (10)

Country Link
US (1) US4768940A (de)
EP (1) EP0196144B1 (de)
JP (1) JPS61274212A (de)
AT (1) ATE46477T1 (de)
BR (1) BR8601342A (de)
CA (1) CA1268624A (de)
DE (1) DE3665690D1 (de)
DK (1) DK164578C (de)
FI (1) FI84755C (de)
NL (1) NL8500882A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01219506A (ja) * 1988-02-29 1989-09-01 Ohbayashi Corp 設備配管の肉厚測定装置
AT401031B (de) * 1988-11-18 1996-05-28 Cincinnati Milacron Austria Einrichtung zum regeln der wandstärke
GB8907613D0 (en) * 1989-04-05 1989-05-17 Bicc Plc Mineral insulated cable manufacture
US5311785A (en) * 1992-03-11 1994-05-17 Nucleonics Development Company Probe holder for a rotary scanner
US5630982A (en) * 1995-12-12 1997-05-20 Sonoco Products Company Method and apparatus for extruding plastic tubing
JP5976270B2 (ja) 2010-09-30 2016-08-23 株式会社ニデック 眼鏡レンズ加工装置
RU2522726C2 (ru) * 2012-09-17 2014-07-20 Вадим Михайлович Соколов Устройство для контроля прочностных показателей трубопровода для нефте-газо химических продуктов

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670543A (en) * 1950-07-01 1954-03-02 Western Electric Co Testing unit for cables
US3578746A (en) * 1969-02-13 1971-05-18 Bendix Corp Gaging apparatus and method
US3797121A (en) * 1970-04-21 1974-03-19 Zumbach Electronic Automatic Device for measuring the position of a conductor in a cable
BE792549A (fr) * 1971-12-13 1973-03-30 Zumbach Electronic Automatic Procede de controle de l'epaisseur d'une paroi de tube en matiere isolante et dispositif pour la mise en oeuvre de ce procede
GB1410075A (en) * 1972-12-07 1975-10-15 British Insulated Callenders Observation method and equipment
US3955425A (en) * 1974-08-16 1976-05-11 Indev, Inc. Pipe wall thickness gauge
DE2706085C2 (de) * 1977-02-12 1984-02-02 Reifenhäuser KG, 5210 Troisdorf Vorrichtung zum Extrudieren von Rohren aus thermoplastischem Kunststoff
US4137025A (en) * 1977-03-07 1979-01-30 Graves Kenneth E Apparatus for measuring and controlling the wall thickness of plastic pipes
DE3002903C2 (de) * 1980-01-28 1986-12-04 Windmöller & Hölscher, 4540 Lengerich Verfahren zur Regelung der Foliendicke an einer Blasfolienextruderanlage
US4328708A (en) * 1980-05-27 1982-05-11 British Steel Corporation Rotary ultrasonic testing apparatus
JPS5957109A (ja) * 1982-09-27 1984-04-02 Sumitomo Metal Ind Ltd 被覆鋼管の膜厚制御方法およびその装置
DE3304865A1 (de) * 1983-02-12 1984-08-16 Battenfeld Extrusionstechnik GmbH, 4970 Bad Oeynhausen Verfahren und vorrichtung zum konstanthalten der wandstaerke beim extrudieren von blasfolien, rohren oder rohrfoermigen straengen aus kunststoff
US4586379A (en) * 1984-09-28 1986-05-06 Virginia Corporation Of Richmond Ultrasonic pipe inspection system

Also Published As

Publication number Publication date
DK164578B (da) 1992-07-20
US4768940A (en) 1988-09-06
DK144186A (da) 1986-09-27
BR8601342A (pt) 1986-12-02
NL8500882A (nl) 1986-10-16
DK164578C (da) 1992-12-14
FI861246A0 (fi) 1986-03-24
EP0196144A1 (de) 1986-10-01
CA1268624A (en) 1990-05-08
EP0196144B1 (de) 1989-09-20
ATE46477T1 (de) 1989-10-15
JPH056842B2 (de) 1993-01-27
JPS61274212A (ja) 1986-12-04
FI861246A (fi) 1986-09-27
FI84755C (fi) 1992-01-10
DK144186D0 (da) 1986-03-26
FI84755B (fi) 1991-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee