IT1123410B - Metodo,apparecchio e dispositivo per misurare le variazioni nello spessore di pellicole plastiche allungate - Google Patents

Metodo,apparecchio e dispositivo per misurare le variazioni nello spessore di pellicole plastiche allungate

Info

Publication number
IT1123410B
IT1123410B IT26182/79A IT2618279A IT1123410B IT 1123410 B IT1123410 B IT 1123410B IT 26182/79 A IT26182/79 A IT 26182/79A IT 2618279 A IT2618279 A IT 2618279A IT 1123410 B IT1123410 B IT 1123410B
Authority
IT
Italy
Prior art keywords
thickness
plastic films
elongated plastic
measuring variations
variations
Prior art date
Application number
IT26182/79A
Other languages
English (en)
Other versions
IT7926182A0 (it
Inventor
Morgan Thon Duwayne
Original Assignee
Winzen Int
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 Winzen Int filed Critical Winzen Int
Publication of IT7926182A0 publication Critical patent/IT7926182A0/it
Application granted granted Critical
Publication of IT1123410B publication Critical patent/IT1123410B/it

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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
    • G01B7/087—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means for measuring of objects while moving
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G01D18/002—Automatic recalibration
    • G01D18/006—Intermittent recalibration
    • 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
    • B29C2948/92009—Measured parameter
    • B29C2948/92238—Electrical properties
    • 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
    • B29C2948/92447—Moulded article

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
IT26182/79A 1978-10-03 1979-10-02 Metodo,apparecchio e dispositivo per misurare le variazioni nello spessore di pellicole plastiche allungate IT1123410B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94675178A 1978-10-03 1978-10-03

Publications (2)

Publication Number Publication Date
IT7926182A0 IT7926182A0 (it) 1979-10-02
IT1123410B true IT1123410B (it) 1986-04-30

Family

ID=25484941

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26182/79A IT1123410B (it) 1978-10-03 1979-10-02 Metodo,apparecchio e dispositivo per misurare le variazioni nello spessore di pellicole plastiche allungate

Country Status (7)

Country Link
JP (1) JPS5550102A (it)
BE (1) BE879123A (it)
DE (1) DE2939739A1 (it)
FR (1) FR2438252A1 (it)
GB (1) GB2038483B (it)
IT (1) IT1123410B (it)
NL (1) NL7907279A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798646A (en) * 1985-11-12 1989-01-17 Somar Corporation Film peeling apparatus having film end detector
GB8709465D0 (en) * 1987-04-22 1987-05-28 Watkiss Automation Ltd Sensor
DE3714615A1 (de) * 1987-05-01 1988-11-17 Bwg Bergwerk Walzwerk Vorrichtung zum erfassen zumindest der querkruemmung von bandbehandlungsanlagen durchlaufenden metallbaendern
US4947131A (en) * 1989-04-21 1990-08-07 Modern Controls, Inc. Capacitance bar sensor
US5030918A (en) * 1989-11-17 1991-07-09 Modern Controls, Inc. Portable gauge for measuring thickness variations of thin plastic film
DE4009982C2 (de) * 1990-03-28 2000-11-02 Windmoeller & Hoelscher Verfahren zur Messung der Dicke noch warmer extrudierter Folien aus thermoplastischem Kunststoff
DE4323091A1 (de) * 1993-07-10 1995-01-12 Heidelberger Druckmasch Ag Anordnung zur Kontrolle der Lage einer Bogenkante auf einer Bogentransporttrommel
DE4431934B4 (de) * 1994-09-08 2006-04-27 Heidelberger Druckmaschinen Ag Berührungsfreie Doppelbogenkontrolleinrichtung
DE19732281C2 (de) * 1997-07-26 1999-09-16 Roehm Gmbh Vorrichtung zur Messung der mittleren Stegdicken von Stegmehrfachplatten
EP1182423B1 (de) 2000-08-24 2004-01-07 Plast-Control Gerätebau GmbH Sensor zur kapazitiven Messung von Foliendicken
DE50013165D1 (de) 2000-11-10 2006-08-24 Plast Control Geraetebau Gmbh Verfahren zur Dickenmessung an Mehrschichtfolien

Also Published As

Publication number Publication date
DE2939739A1 (de) 1980-04-17
NL7907279A (nl) 1980-04-09
JPS5550102A (en) 1980-04-11
FR2438252A1 (fr) 1980-04-30
GB2038483B (en) 1983-07-20
IT7926182A0 (it) 1979-10-02
FR2438252B3 (it) 1981-08-14
BE879123A (fr) 1980-02-01
GB2038483A (en) 1980-07-23

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