BE688471A - - Google Patents

Info

Publication number
BE688471A
BE688471A BE688471DA BE688471A BE 688471 A BE688471 A BE 688471A BE 688471D A BE688471D A BE 688471DA BE 688471 A BE688471 A BE 688471A
Authority
BE
Belgium
Application number
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 filed Critical
Priority claimed from GB46465/69A external-priority patent/GB1180832A/en
Priority claimed from GB2242/67A external-priority patent/GB1180831A/en
Publication of BE688471A publication Critical patent/BE688471A/xx

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D5/00Control of dimensions of material
    • G05D5/02Control of dimensions of material of thickness, e.g. of rolled material
    • G05D5/03Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
    • G01B15/025Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness by measuring absorption
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/16Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a moving sheet or film
    • 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
    • B29C2948/92819Location or phase of control
    • B29C2948/92923Calibration, after-treatment or cooling 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
    • B29C48/03Extrusion 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
BE688471D 1966-10-19 1966-10-19 BE688471A (xx)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
BE688471 1966-10-19
DEJ0032197 1966-11-09
GB46465/69A GB1180832A (en) 1967-01-16 1967-01-16 Process Control System and Method.
GB2242/67A GB1180831A (en) 1967-01-16 1967-01-16 Measuring System and Method.
US623776A US3396219A (en) 1966-10-19 1967-03-16 Measuring system

Publications (1)

Publication Number Publication Date
BE688471A true BE688471A (xx) 1967-04-19

Family

ID=27507663

Family Applications (1)

Application Number Title Priority Date Filing Date
BE688471D BE688471A (xx) 1966-10-19 1966-10-19

Country Status (2)

Country Link
US (1) US3396219A (xx)
BE (1) BE688471A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH439699A (de) * 1965-12-22 1967-07-15 Seiler Bernhard Verfahren zur Herstellung von Behältern aus Kunststoff und Einrichtung zur Durchführung des Verfahrens
US3466704A (en) * 1966-12-29 1969-09-16 Ball Brothers Co Inc Apparatus for programming parisons
US3513501A (en) * 1967-09-07 1970-05-26 Dow Chemical Co Film width controller
US4464319A (en) * 1982-08-05 1984-08-07 Reifenhauser Gmbh & Co. Maschinenfabrik Method of and apparatus for the coiling of flattened synthetic resin foil tubes
US11446854B2 (en) * 2019-12-16 2022-09-20 Daniel R. Joseph Method and apparatus for calibration of blown-film extrusion apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3006225A (en) * 1957-07-08 1961-10-31 Industrial Nucleonics Corp Special mill controls
US2909660A (en) * 1957-11-26 1959-10-20 Industrial Nucleonics Corp Measuring and controlling system
US3015129A (en) * 1958-03-03 1962-01-02 Industrial Nucleonics Corp Extrusion process controls
US3190261A (en) * 1960-09-28 1965-06-22 Lab For Electronics Inc Control system
US3160917A (en) * 1961-11-24 1964-12-15 Monsanto Co Coating of biaxially oriented film
BE642865A (xx) * 1963-01-23 1900-01-01
US3307215A (en) * 1964-04-09 1967-03-07 Industrial Nucleonics Corp Control apparatus for industrial apparatus
US3311947A (en) * 1964-05-20 1967-04-04 Du Pont Control device for preparing a continuous product

Also Published As

Publication number Publication date
US3396219A (en) 1968-08-06

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