FR2207016A1 - Extrusion of plastics pipes - with sensor for control of wall thickness - Google Patents

Extrusion of plastics pipes - with sensor for control of wall thickness

Info

Publication number
FR2207016A1
FR2207016A1 FR7303874A FR7303874A FR2207016A1 FR 2207016 A1 FR2207016 A1 FR 2207016A1 FR 7303874 A FR7303874 A FR 7303874A FR 7303874 A FR7303874 A FR 7303874A FR 2207016 A1 FR2207016 A1 FR 2207016A1
Authority
FR
France
Prior art keywords
extrusion
sensor
control
wall thickness
plastics pipes
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.)
Granted
Application number
FR7303874A
Other languages
French (fr)
Other versions
FR2207016B1 (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.)
Hepworth Plastics Ltd
Original Assignee
Hepworth Plastics 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 Hepworth Plastics Ltd filed Critical Hepworth Plastics Ltd
Publication of FR2207016A1 publication Critical patent/FR2207016A1/en
Application granted granted Critical
Publication of FR2207016B1 publication Critical patent/FR2207016B1/fr
Granted 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
    • 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
    • B29C2948/9258—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
    • B29C2948/92609—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
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92933—Conveying, transporting or storage of articles
    • 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
    • B29C48/09—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

Appts. for extruding pipe comprising a calibration jacket divided into two sequential sections, one adjacent the extrusion die and the other spaced from it in the direction of haul-off, leaving a gap in which a sensing device for determining the thickness of the wall of the pipe is rotatable around the pipe on a carriage.
FR7303874A 1972-11-18 1973-01-29 Extrusion of plastics pipes - with sensor for control of wall thickness Granted FR2207016A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5342772 1972-11-18

Publications (2)

Publication Number Publication Date
FR2207016A1 true FR2207016A1 (en) 1974-06-14
FR2207016B1 FR2207016B1 (en) 1975-10-31

Family

ID=10467771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7303874A Granted FR2207016A1 (en) 1972-11-18 1973-01-29 Extrusion of plastics pipes - with sensor for control of wall thickness

Country Status (7)

Country Link
JP (1) JPS4981464A (en)
AU (1) AU5003272A (en)
DE (1) DE2313950A1 (en)
FR (1) FR2207016A1 (en)
IT (1) IT973002B (en)
NL (1) NL7301660A (en)
ZA (1) ZA728754B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385285A2 (en) * 1989-03-01 1990-09-05 INOEX GmbH Device for extruding plastic pipes
EP0425944A2 (en) * 1989-10-31 1991-05-08 INOEX GmbH Installation for the extrusion of plastic tubes
EP1902828A1 (en) * 2006-09-21 2008-03-26 Andreas Sobotta Method for determining the location coordinates of a point on a string from an extrusion tool

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55216B2 (en) * 1975-03-13 1980-01-07
JPS5242556A (en) * 1975-09-30 1977-04-02 Kubota Ltd Method of automatically controlling tube thickness in extrusion molding of tube
CN109016461A (en) * 2018-05-29 2018-12-18 湖南联塑科技实业有限公司 A kind of novel PPR pipe outer diameter variation online automatic detection monitoring and alarming system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1115624A (en) * 1953-12-04 1956-04-26 Elektro Schmitz O H G Machine, and in particular helical press, operating automatically for the coating of electrical conductors by ejection of a synthetic material, rubber or a similar material
DE971619C (en) * 1953-05-05 1959-02-26 Troester Maschf Paul Device for checking the walls in the manufacture of hoses and pipes using radioactive emitters
DE1251014B (en) * 1967-09-28
FR2139545A5 (en) * 1971-05-14 1973-01-05 Wavin Bv

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251014B (en) * 1967-09-28
DE971619C (en) * 1953-05-05 1959-02-26 Troester Maschf Paul Device for checking the walls in the manufacture of hoses and pipes using radioactive emitters
FR1115624A (en) * 1953-12-04 1956-04-26 Elektro Schmitz O H G Machine, and in particular helical press, operating automatically for the coating of electrical conductors by ejection of a synthetic material, rubber or a similar material
FR2139545A5 (en) * 1971-05-14 1973-01-05 Wavin Bv

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385285A2 (en) * 1989-03-01 1990-09-05 INOEX GmbH Device for extruding plastic pipes
EP0385285A3 (en) * 1989-03-01 1991-08-07 INOEX GmbH Device for extruding plastic pipes
EP0425944A2 (en) * 1989-10-31 1991-05-08 INOEX GmbH Installation for the extrusion of plastic tubes
EP0425944A3 (en) * 1989-10-31 1991-07-31 Inoex Gmbh Installation for the extrusion of plastic tubes
EP1902828A1 (en) * 2006-09-21 2008-03-26 Andreas Sobotta Method for determining the location coordinates of a point on a string from an extrusion tool

Also Published As

Publication number Publication date
ZA728754B (en) 1973-08-29
FR2207016B1 (en) 1975-10-31
NL7301660A (en) 1974-05-21
AU5003272A (en) 1974-06-13
IT973002B (en) 1974-06-10
JPS4981464A (en) 1974-08-06
DE2313950A1 (en) 1974-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse