USB455775I5 - - Google Patents

Info

Publication number
USB455775I5
USB455775I5 US45577574A USB455775I5 US B455775 I5 USB455775 I5 US B455775I5 US 45577574 A US45577574 A US 45577574A US B455775 I5 USB455775 I5 US B455775I5
Authority
US
United States
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.)
Pending
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 to US455775A priority Critical patent/US3914356A/en
Priority to CA213,074A priority patent/CA1028416A/en
Publication of USB455775I5 publication Critical patent/USB455775I5/en
Priority to AU79434/75A priority patent/AU491024B2/en
Priority to SE7503371A priority patent/SE431136B/en
Priority to BE154783A priority patent/BE827200A/en
Priority to ES436082A priority patent/ES436082A1/en
Priority to DE2513435A priority patent/DE2513435C3/en
Priority to NL7503624A priority patent/NL7503624A/en
Priority to IT67795/75A priority patent/IT1030466B/en
Priority to GB1288875A priority patent/GB1474008A/en
Priority to FR7509944A priority patent/FR2265521B1/fr
Priority to JP3705875A priority patent/JPS5724612B2/ja
Priority to CH412375A priority patent/CH595659A5/xx
Application granted granted Critical
Publication of US3914356A publication Critical patent/US3914356A/en
Priority to US05/843,088 priority patent/USRE29886E/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06Insulating conductors or cables
    • H01B13/14Insulating conductors or cables by extrusion
    • 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
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92076Position, e.g. linear or angular
    • 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
    • B29C2948/92009Measured parameter
    • B29C2948/92114Dimensions
    • B29C2948/92152Thickness
    • 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
    • B29C2948/92009Measured parameter
    • B29C2948/92114Dimensions
    • B29C2948/92171Distortion, shrinkage, dilatation, swell or warpage
    • 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
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92428Calibration, 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • 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
    • 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
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92666Distortion, shrinkage, dilatation, swell or warpage
    • 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
    • B29C2948/9279Errors or malfunctioning, e.g. for quality control
    • 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
    • B29C2948/92828Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29C48/05Filamentary, e.g. strands
    • 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
    • B29C48/06Rod-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
US455775A 1974-03-28 1974-03-28 Methods of and apparatus for controlling the thickness of an annular extrusion Expired - Lifetime US3914356A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
US455775A US3914356A (en) 1974-03-28 1974-03-28 Methods of and apparatus for controlling the thickness of an annular extrusion
CA213,074A CA1028416A (en) 1974-03-28 1974-11-05 Methods of and apparatus for controlling the thickness of an annular extrusion
AU79434/75A AU491024B2 (en) 1974-03-28 1975-03-24 Methods of and apparatus for controlling the thickness ofan annular extrusion
SE7503371A SE431136B (en) 1974-03-28 1975-03-24 SET TO CONTROL THE WALL THICKNESS BY EXTRAORDINATION OF RODFORMED PRODUCT
BE154783A BE827200A (en) 1974-03-28 1975-03-26 METHODS AND APPARATUS FOR CONTROLLING THE THICKNESS OF AN ANNULAR EXTRUDED PART
ES436082A ES436082A1 (en) 1974-03-28 1975-03-26 Methods of and apparatus for controlling the thickness of an annular extrusion
DE2513435A DE2513435C3 (en) 1974-03-28 1975-03-26 Method of extruding an elongated plastic article of uniform wall thickness
NL7503624A NL7503624A (en) 1974-03-28 1975-03-26 PROCEDURE FOR ADJUSTING THE WALL THICKNESS OF AN ELONGATED, EXTRUDE, RING-SHAPED PART AND DEVICE FOR APPLYING THIS PROCEDURE.
IT67795/75A IT1030466B (en) 1974-03-28 1975-03-27 PROCEDURE AND DEVICE FOR ADJUSTING THE THICKNESS OF AN EXTRUDER WITH RING SECTION, PARTICULARLY OF A PLASTIC SHEATH ON AN ELECTRIC CABLE
GB1288875A GB1474008A (en) 1974-03-28 1975-03-27 Methods of and apparatus for controlling the thickness of an annular extrusion
FR7509944A FR2265521B1 (en) 1974-03-28 1975-03-28
JP3705875A JPS5724612B2 (en) 1974-03-28 1975-03-28
CH412375A CH595659A5 (en) 1974-03-28 1975-04-01
US05/843,088 USRE29886E (en) 1974-03-28 1977-10-17 Methods of and apparatus for controlling the thickness of an annular extrusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US455775A US3914356A (en) 1974-03-28 1974-03-28 Methods of and apparatus for controlling the thickness of an annular extrusion

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/843,088 Reissue USRE29886E (en) 1974-03-28 1977-10-17 Methods of and apparatus for controlling the thickness of an annular extrusion

Publications (2)

Publication Number Publication Date
USB455775I5 true USB455775I5 (en) 1975-01-28
US3914356A US3914356A (en) 1975-10-21

Family

ID=23810242

Family Applications (2)

Application Number Title Priority Date Filing Date
US455775A Expired - Lifetime US3914356A (en) 1974-03-28 1974-03-28 Methods of and apparatus for controlling the thickness of an annular extrusion
US05/843,088 Expired - Lifetime USRE29886E (en) 1974-03-28 1977-10-17 Methods of and apparatus for controlling the thickness of an annular extrusion

Family Applications After (1)

Application Number Title Priority Date Filing Date
US05/843,088 Expired - Lifetime USRE29886E (en) 1974-03-28 1977-10-17 Methods of and apparatus for controlling the thickness of an annular extrusion

Country Status (12)

Country Link
US (2) US3914356A (en)
JP (1) JPS5724612B2 (en)
BE (1) BE827200A (en)
CA (1) CA1028416A (en)
CH (1) CH595659A5 (en)
DE (1) DE2513435C3 (en)
ES (1) ES436082A1 (en)
FR (1) FR2265521B1 (en)
GB (1) GB1474008A (en)
IT (1) IT1030466B (en)
NL (1) NL7503624A (en)
SE (1) SE431136B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068615A (en) 1976-11-01 1978-01-17 Northern Telecom Limited Control for wire coating line

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2517709C3 (en) * 1975-04-22 1979-07-12 Harald 2800 Bremen Sikora Device for measuring and regulating the wall thickness of insulated strings
US4182734A (en) 1975-11-04 1980-01-08 Hitachi Cable, Ltd. Method for producing foamed plastic insulated wires
US4137025A (en) * 1977-03-07 1979-01-30 Graves Kenneth E Apparatus for measuring and controlling the wall thickness of plastic pipes
US4231823A (en) * 1978-12-13 1980-11-04 H. C. Price Co. Method and apparatus for centering two concentric cylinders
US4340554A (en) 1980-09-29 1982-07-20 Bardwell Robert G Method and apparatus for extrusion coating of a cable involving guider tip protection from an oversized portion of the cable
US4375669A (en) 1980-11-05 1983-03-01 Owens-Illinois, Inc. Electronic control system for a glassware forming machine
US4377540A (en) * 1981-08-24 1983-03-22 Gloucester Engineering Co., Inc. Control of tubular film size
US4585603A (en) * 1982-03-15 1986-04-29 Showa Electric Wire & Cable Co., Ltd Method for controlling an extrusion line for foamed insulation cables involving use of a plurality of generated and measured electrical signals
GB2124364B (en) * 1982-06-11 1985-12-18 Nippon Steel Corp Methods of gauging and controlling profile of bar or like workpiece
US4494408A (en) 1982-07-27 1985-01-22 Ford Aerospace & Communications Corporation Method and apparatus for non-destructive testing of composite materials
JPS5979320A (en) * 1982-10-28 1984-05-08 Yamaha Motor Co Ltd Air pressure regulating device
US4460421A (en) * 1982-11-29 1984-07-17 At&T Technologies, Inc. Methods of and apparatus for indexing a repetitively patterned strip past a plurality of work stations
IT1157134B (en) 1982-12-10 1987-02-11 Saiag Spa PROCEDURE AND EQUIPMENT FOR REALIZING A DRAWN CONTINUOUS EXTRUSION IN PARTICULAR A SEAL GASKET FOR BODYWORKS OF MOTOR VEHICLES PRESENTING SUBSEQUENT LENGTHS OF PRE-DETERMINED LENGTHS WITH EACH PRACTICAL PERFORMANCE AND PRACTICAL PERFORMANCE
US4490316A (en) 1983-06-29 1984-12-25 Caterpillar Tractor Co. Apparatus and method for controlling internal size of an extruded hose
US4818266A (en) 1985-01-23 1989-04-04 The Research Foundation Of State University Of New York Apparatus for producing glass tubing of a narrowed diameter
US4605525A (en) * 1985-02-04 1986-08-12 Northern Telecom Limited Method for forming insulating electrical conductor
US4882104A (en) 1987-04-03 1989-11-21 Cincinnati Milacron, Inc. Method of controlling the thickness of an extruded plastic article
US4817255A (en) * 1987-11-19 1989-04-04 Shaw Jr Howard C Insertion-removal monitor/control for seal carrier manufacture
DE3936496A1 (en) * 1989-11-02 1991-05-08 Krauss Maffei Ag CENTERING DEVICE FOR A TUBE EXTRUSION HEAD
DE3942214A1 (en) * 1989-12-21 1991-06-27 Sikora Industrieelektronik DEVICE FOR MEASURING THE ECCENTRICITY OF A SHEET SURROUNDED BY A PLASTIC MATERIAL
JP2620194B2 (en) * 1993-07-21 1997-06-11 アルファー技研工業株式会社 Outer diameter control start-up method and outer diameter start-up control device for wire coating line
US5630982A (en) * 1995-12-12 1997-05-20 Sonoco Products Company Method and apparatus for extruding plastic tubing
KR20030016935A (en) * 2001-08-23 2003-03-03 광주과학기술원 Thickness measurement apparatus of materials using the focal length of the lensed fiber and thereof method
US7738993B2 (en) * 2003-10-10 2010-06-15 Boston Scientific Scimed, Inc. Extrusion of articles
JP4091631B2 (en) * 2005-11-17 2008-05-28 ファナック株式会社 Machine signal processing equipment
JP5837870B2 (en) * 2012-12-11 2015-12-24 住友ゴム工業株式会社 Method for manufacturing cylindrical foam rubber, and method for manufacturing conductive roller
JP2015033767A (en) * 2013-08-07 2015-02-19 住友ゴム工業株式会社 Manufacturing method of conductive foam rubber roller, conductive foam rubber roller, and image forming apparatus
US11073377B2 (en) * 2017-11-30 2021-07-27 Corning Incorporated Tubing dimensional measurement system
SK289218B6 (en) * 2018-05-17 2024-07-24 Slovenská Technická Univerzita V Bratislave Apparatus for checking electrical cable parameters and method of determining ultrasound speed in cable jacket and / or in electrical cable insulation
CN121191858A (en) * 2025-09-25 2025-12-23 西部电缆陕西有限公司 A self-adjusting extrusion method and apparatus for insulation layer thickness of automotive high-voltage cables

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290995A (en) * 1963-12-10 1966-12-13 Submarine Cables Ltd Method and apparatus for producing plastic insulated electrical conductors
US3504395A (en) * 1966-09-16 1970-04-07 Bell Telephone Labor Inc Manufacture of insulated wires
US3599288A (en) * 1969-01-23 1971-08-17 Lab For Electronics Inc Scan average memory control system
US3635620A (en) * 1967-02-13 1972-01-18 Gen Cable Corp Apparatus for controlling the dimensions of multiple layers of extruded insulation
US3728058A (en) * 1971-11-01 1973-04-17 Gen Electric Plastic melt temperature control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1947833A1 (en) * 1968-12-16 1970-07-23 Schwermaschb Kom Ernst Thaelma Device for regulating the diameter of lines or cables coming from extruder systems and provided with a plastic jacket
FR2157051A5 (en) * 1971-10-15 1973-06-01 Aquitaine Total Organico Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290995A (en) * 1963-12-10 1966-12-13 Submarine Cables Ltd Method and apparatus for producing plastic insulated electrical conductors
US3504395A (en) * 1966-09-16 1970-04-07 Bell Telephone Labor Inc Manufacture of insulated wires
US3635620A (en) * 1967-02-13 1972-01-18 Gen Cable Corp Apparatus for controlling the dimensions of multiple layers of extruded insulation
US3599288A (en) * 1969-01-23 1971-08-17 Lab For Electronics Inc Scan average memory control system
US3728058A (en) * 1971-11-01 1973-04-17 Gen Electric Plastic melt temperature control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068615A (en) 1976-11-01 1978-01-17 Northern Telecom Limited Control for wire coating line

Also Published As

Publication number Publication date
DE2513435C3 (en) 1980-07-10
GB1474008A (en) 1977-05-18
SE431136B (en) 1984-01-16
CH595659A5 (en) 1978-02-15
JPS5724612B2 (en) 1982-05-25
FR2265521B1 (en) 1977-07-08
DE2513435A1 (en) 1975-10-02
DE2513435B2 (en) 1979-10-25
ES436082A1 (en) 1977-01-01
CA1028416A (en) 1978-03-21
JPS50133479A (en) 1975-10-22
SE7503371L (en) 1975-09-29
IT1030466B (en) 1979-03-30
BE827200A (en) 1975-07-16
FR2265521A1 (en) 1975-10-24
AU7943475A (en) 1976-09-30
NL7503624A (en) 1975-09-30
USRE29886E (en) 1979-01-16
US3914356A (en) 1975-10-21

Similar Documents

Publication Publication Date Title
FR2265521B1 (en)
DE2559958C2 (en)
FI753115A7 (en)
DK136499C (en)
CS173258B1 (en)
CS175049B1 (en)
AR198786Q (en)
CS165774B1 (en)
AU7253374A (en)
BG20446A1 (en)
BG20027A1 (en)
DD114125A1 (en)
AU479765A (en)
DD117765A1 (en)
DD117944A1 (en)
CH596077A5 (en)
CH591676A5 (en)
CH585560A5 (en)
CH580823A5 (en)
AU481545A (en)
BG20432A1 (en)
BG20160A1 (en)
BG20151A1 (en)
AU480187A (en)
BG20062A1 (en)

Legal Events

Date Code Title Description
AS Assignment

Owner name: AT & T TECHNOLOGIES, INC.,

Free format text: CHANGE OF NAME;ASSIGNOR:WESTERN ELECTRIC COMPANY, INCORPORATED;REEL/FRAME:004251/0868

Effective date: 19831229