ES410449A1 - Metodo para verificar la capacitancia a traves de una capa aislante extruida hasta un espesor que se supone uniforme sobre un elemento metalico de seccion transversal circular extruido axilmente que avanza. - Google Patents

Metodo para verificar la capacitancia a traves de una capa aislante extruida hasta un espesor que se supone uniforme sobre un elemento metalico de seccion transversal circular extruido axilmente que avanza.

Info

Publication number
ES410449A1
ES410449A1 ES410449A ES410449A ES410449A1 ES 410449 A1 ES410449 A1 ES 410449A1 ES 410449 A ES410449 A ES 410449A ES 410449 A ES410449 A ES 410449A ES 410449 A1 ES410449 A1 ES 410449A1
Authority
ES
Spain
Prior art keywords
eccentricity
electrical insulation
continuous monitoring
during electrical
variables during
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
ES410449A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES410449A1 publication Critical patent/ES410449A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/10—Insulating conductors or cables by longitudinal lapping
    • H01B13/103—Insulating conductors or cables by longitudinal lapping combined with pressing of plastic material around the conductors
    • 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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • G01R31/59—Testing of lines, cables or conductors while the cable continuously passes the testing apparatus, e.g. during manufacture
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D5/00—Control of dimensions of material
    • G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
    • G05D5/03—Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means
    • 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
    • B29C2948/92076—Position, e.g. linear or angular
    • 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
    • B29C2948/92361—Extrusion unit
    • B29C2948/9238—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • 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
    • B29C2948/92923—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
    • 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)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)

Abstract

Método para verificar la capacitancia a través de una capa aislante extruida hasta un espesor que se supone uniforme sobre un elemento metálico de sección transversal circular extruido axialmente que avanza, caracterizado pro provocar el avance del elemento aislado (27,28) a través de una sonda capacitiva generalmente cilíndrica que presenta varios segmentos aislados entre si (11-14) dispuestos a lo largo de un lugar geométrico de puntos substancialmente equidistantes del centro axial (15) de dicho elemento y sin estar en contacto con la capa, establecer un potencial eléctrico de referencia por dos medios protectores metálicos no consecutivos (23,24) concéntrica y aislativamente colocados alrededor del centro axial (15) y adyacente a los extremos de la sonda, conectar cada segmento por turno a ambos medios protectores, y medir para cada vez la capacitancia entre el elemento metálico y cada segmento.
ES410449A 1971-12-30 1972-12-29 Metodo para verificar la capacitancia a traves de una capa aislante extruida hasta un espesor que se supone uniforme sobre un elemento metalico de seccion transversal circular extruido axilmente que avanza. Expired ES410449A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21432971A 1971-12-30 1971-12-30

Publications (1)

Publication Number Publication Date
ES410449A1 true ES410449A1 (es) 1975-12-16

Family

ID=22798655

Family Applications (1)

Application Number Title Priority Date Filing Date
ES410449A Expired ES410449A1 (es) 1971-12-30 1972-12-29 Metodo para verificar la capacitancia a traves de una capa aislante extruida hasta un espesor que se supone uniforme sobre un elemento metalico de seccion transversal circular extruido axilmente que avanza.

Country Status (11)

Country Link
US (1) US3748577A (es)
JP (2) JPS5429981B2 (es)
BE (1) BE793568A (es)
CA (1) CA965841A (es)
DE (1) DE2263444C3 (es)
ES (1) ES410449A1 (es)
FI (1) FI55411C (es)
FR (1) FR2166199B1 (es)
GB (1) GB1419779A (es)
NL (1) NL7217820A (es)
SE (1) SE387192B (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923439A (en) * 1972-10-10 1975-12-02 Western Electric Co System for controlling the eccentricity of an extruded article
US3914357A (en) * 1973-01-04 1975-10-21 Western Electric Co Method of monitoring the application of cellular plastic insulation to elongated conductive material
US4117398A (en) * 1975-12-22 1978-09-26 Western Electric Company, Inc. Method and apparatus for measuring the filling effectiveness of a cable during filling
US4206164A (en) * 1978-10-25 1980-06-03 Owens-Corning Fiberglas Corporation Method and apparatus for maintaining the concentricity of a molded pipe
IT1129409B (it) * 1980-03-07 1986-06-04 Fiat Ricerche Trasduttore a sei gradi di liberta per convertire in segnali elettrici le forze ed i momenti applicati ad un organo mobile particolarmente al braccio mobile di un robot
US4352060A (en) * 1980-07-01 1982-09-28 Viak Ab Apparatus for measuring the interior dimensions of a cast iron mold
DE3046124A1 (de) * 1980-12-06 1982-07-29 Norddeutsche Seekabelwerke Ag, 2890 Nordenham Verfahren zur kontinuierlichen gleichzeitigen herstellung von zwei oder mehreren adern fuer fernmeldekabel
US4359436A (en) * 1981-04-29 1982-11-16 Western Electric Company, Inc. Methods of and systems for controlling the expansion of cellular plastic insulation in the manufacture of insulated conductors
US4461569A (en) * 1982-01-07 1984-07-24 The Electron Machine Corporation Concentricity gage
GB8322002D0 (en) * 1983-08-16 1983-09-21 Atomic Energy Authority Uk Gauging apparatus
JPS62298701A (ja) * 1986-06-18 1987-12-25 Ngk Insulators Ltd 非金属材料成形体の寸法測定法
US4780662A (en) * 1987-03-16 1988-10-25 Westinghouse Electric Corp. Determining eccentricity of insulated wire
US5023558A (en) * 1989-05-15 1991-06-11 Essex Group, Inc. Ignition wire core conductive irregularity detector
US5150058A (en) * 1989-05-15 1992-09-22 Johnson Michael J E-field detector and annunciator
FR2692978A1 (fr) * 1992-06-30 1993-12-31 Alcatel Fibres Optiques Dispositif et procédé de contrôle de l'épaisseur et de la régularité d'un revêtement déposé sur un corps isolant allongé.
DE4412122C2 (de) † 1994-04-08 1996-11-28 Sikora Industrieelektronik Vorrichtung zur Messung der Lage eines Leiterstrangs eines Kabels im Kabelmantel
US5844589A (en) * 1996-04-10 1998-12-01 Eastman Kodak Company Capacitive focus gauge for LED printer
GB2358928B (en) * 2000-02-04 2004-03-03 Beta Lasermike Ltd Capacitance monitoring systems
RU2578658C1 (ru) * 2014-12-29 2016-03-27 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" Способ измерения погонной емкости одножильного электрического провода
CN105565045A (zh) * 2015-12-31 2016-05-11 湖南新新线缆有限公司 数控同步及恒张力的偏心绕带装置
US20180025816A1 (en) * 2016-07-20 2018-01-25 Champlain Cable Corporation Process for manufacturing a twisted pair of wires
US10976147B2 (en) * 2018-02-02 2021-04-13 American University Of Beirut Thickness measurement device and methods of use

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2274735A (en) * 1938-10-18 1942-03-03 Melville F Peters Apparatus for determining the position of the conductor in electrical cables
US2729213A (en) * 1950-03-09 1956-01-03 American Mach & Foundry Feed control
US2866146A (en) * 1950-09-29 1958-12-23 Aerojet General Co Autopilot steering system
US2604512A (en) * 1950-12-06 1952-07-22 Gen Electric Concentric tester
FR1052321A (fr) * 1952-03-11 1954-01-22 Procédé et appareil de contrôle et de réglage
US2804592A (en) * 1953-09-03 1957-08-27 Bell Telephone Labor Inc Methods of and apparatus for measuring the capacitance of an insulated wire
US2765441A (en) * 1953-09-03 1956-10-02 Western Electric Co Apparatus for monitoring and extruding plastic materials
US2892152A (en) * 1953-09-22 1959-06-23 Buisson Pierre System for measuring small displacements of a body along three coordinate axes
US3096478A (en) * 1959-08-18 1963-07-02 Okonite Co Apparatus with conductive gas electrodes for detecting non-uniformity in electrically insulating and electrically semi-conducting materials
US3209247A (en) * 1960-10-19 1965-09-28 Moisture Register Company Dielectric loss type moisture measurement system with its output compared against a reference level
US3355664A (en) * 1964-06-12 1967-11-28 Rome Cable Corp Apparatus for measuring insulation thickness of coated conductors
US3466391A (en) * 1966-09-07 1969-09-09 Marconi Co Ltd Electrical position resolver employing capacitive probe coupled to resistive layer containing two pairs of conductive strips energized by four different frequency signals

Also Published As

Publication number Publication date
DE2263444C3 (de) 1975-03-27
BE793568A (fr) 1973-04-16
GB1419779A (en) 1975-12-31
CA965841A (en) 1975-04-08
DE2263444B2 (de) 1974-08-15
NL7217820A (es) 1973-07-03
US3748577A (en) 1973-07-24
FR2166199B1 (es) 1977-09-02
JPS4878265A (es) 1973-10-20
FR2166199A1 (es) 1973-08-10
JPS5327831B2 (es) 1978-08-10
JPS5429981B2 (es) 1979-09-27
FI55411B (fi) 1979-03-30
SE387192B (sv) 1976-08-30
DE2263444A1 (de) 1973-07-12
FI55411C (fi) 1979-07-10

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19860227