GB1296962A - - Google Patents

Info

Publication number
GB1296962A
GB1296962A GB1296962DA GB1296962A GB 1296962 A GB1296962 A GB 1296962A GB 1296962D A GB1296962D A GB 1296962DA GB 1296962 A GB1296962 A GB 1296962A
Authority
GB
United Kingdom
Prior art keywords
control
diameter
photo
tubing
conduit
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
Other languages
English (en)
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
Publication of GB1296962A publication Critical patent/GB1296962A/en
Expired 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
    • B29C48/03—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
    • 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
    • B29C2948/92019—Pressure
    • 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
    • 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
    • B29C2948/92247—Optical 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
    • B29C2948/92428—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
    • B29C2948/92514—Pressure
    • 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
    • B29C2948/92619—Diameter or circumference
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Treatment Of Fiber Materials (AREA)
GB1296962D 1969-01-24 1970-01-12 Expired GB1296962A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH104169A CH487459A (de) 1969-01-24 1969-01-24 Lichtelektrische Regeleinrichtung

Publications (1)

Publication Number Publication Date
GB1296962A true GB1296962A (fr) 1972-11-22

Family

ID=4201071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296962D Expired GB1296962A (fr) 1969-01-24 1970-01-12

Country Status (8)

Country Link
US (1) US3628025A (fr)
BE (1) BE744713A (fr)
CH (1) CH487459A (fr)
DE (1) DE1908134A1 (fr)
FR (1) FR2029074A1 (fr)
GB (1) GB1296962A (fr)
NL (1) NL7000966A (fr)
SU (1) SU376972A3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116319Y1 (fr) * 1970-11-11 1976-04-28
US3900738A (en) * 1973-05-23 1975-08-19 Lockheed Missiles Space Non-contact measuring gauge
DE2947916A1 (de) * 1978-11-30 1980-06-19 Gloucester Eng Co Inc Regelgeraet fuer einen schlauchfolienextruder
JPS5769421A (en) * 1980-10-20 1982-04-28 Olympus Optical Co Ltd Position controller
DE3322761A1 (de) * 1983-06-24 1983-11-17 Günther Dipl.-Ing. 2800 Bremen Schultze Zeichenbrett mit beweglicher bespannung
FR2559540B1 (fr) * 1984-02-10 1986-07-04 Gazel Anthoine G Procede et dispositif pour le pilotage de la course de levage sur un mat ou une tour de forage
DE3541680A1 (de) * 1985-11-26 1987-05-27 Bernd Becker Vorrichtung zur steuerung einer anlage fuer die herstellung von strangprofilen
US4877954A (en) * 1986-09-22 1989-10-31 Arnold I. Neuman Light counting system for convex articles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123217A (en) * 1964-03-03 Capsule inspection method and sorting machine
US3375377A (en) * 1964-09-21 1968-03-26 Barrows Martin Ralph Radiation sensitive multichannel pressure transducer

Also Published As

Publication number Publication date
BE744713A (fr) 1970-07-01
DE1908134A1 (de) 1970-08-06
FR2029074A1 (fr) 1970-10-16
US3628025A (en) 1971-12-14
CH487459A (de) 1970-03-15
SU376972A3 (fr) 1973-04-05
NL7000966A (fr) 1970-07-28

Similar Documents

Publication Publication Date Title
GB1296962A (fr)
GB547767A (en) Improvements in photoelectric contour followers
US2171362A (en) Photocell system to control spacing of traveling articles
GB1504009A (en) Smoke detector
US3496327A (en) Arc-spot welding system responsive to radiation from weld for controlling duration of flow of welding current
US3842280A (en) Protective circuit for limiting the input power applied to an x-ray tube and method of operation
GB1148426A (en) Electron beam apparatus including filament current control means
US3041703A (en) Weft thread alignment control system
GB1068119A (en) Improvements in or relating to power supply apparatus
ES8204868A1 (es) Un dispositivo de enfoque optico
JPS5780823A (en) Schmitt trigger circuit
JPS57207339A (en) Electron beam exposure device
GB1151388A (en) Gas Laser Apparatus
US2477976A (en) Electronic circuit
US3604937A (en) Device for detecting edges or a pattern by photoelectric means
US2905867A (en) Pulsed light sensitive control circuit
JPS55102230A (en) Automatic focusing device
JPS6412450A (en) Temperature control device for thermoelectric field radiation gun
GB741320A (en) Improvements in alignment control devices for moving webs
US1983345A (en) Photo-electric relay
JPS5686687A (en) Constant-current controlling device for resistance welding machine
JPS57106802A (en) Detection for brush position of endless potentiometer
JPS57101326A (en) Electron beam device
JPS5594165A (en) Transistor damage detetcor
GB947491A (en) Improvements in or relating to electric circuits

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees