JPS50115271A - - Google Patents

Info

Publication number
JPS50115271A
JPS50115271A JP50015553A JP1555375A JPS50115271A JP S50115271 A JPS50115271 A JP S50115271A JP 50015553 A JP50015553 A JP 50015553A JP 1555375 A JP1555375 A JP 1555375A JP S50115271 A JPS50115271 A JP S50115271A
Authority
JP
Japan
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.)
Granted
Application number
JP50015553A
Other versions
JPS5420983B2 (ja
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 JPS50115271A publication Critical patent/JPS50115271A/ja
Publication of JPS5420983B2 publication Critical patent/JPS5420983B2/ja
Expired legal-status Critical Current

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
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02—Measuring 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
    • 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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating 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
    • G01N23/02—Investigating 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
    • G01N23/06—Investigating 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
    • G01N23/16—Investigating 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
    • 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
    • B29C2948/9218—Weight
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP1555375A 1974-02-21 1975-02-07 Expired JPS5420983B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44444474A 1974-02-21 1974-02-21

Publications (2)

Publication Number Publication Date
JPS50115271A true JPS50115271A (ja) 1975-09-09
JPS5420983B2 JPS5420983B2 (ja) 1979-07-26

Family

ID=23764910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1555375A Expired JPS5420983B2 (ja) 1974-02-21 1975-02-07

Country Status (9)

Country Link
JP (1) JPS5420983B2 (ja)
BE (1) BE825000A (ja)
CA (1) CA1048126A (ja)
DE (1) DE2503172C2 (ja)
ES (1) ES433942A1 (ja)
FR (1) FR2261857B1 (ja)
GB (1) GB1482307A (ja)
IT (1) IT1031429B (ja)
NL (1) NL179947C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016138192A (ja) * 2015-01-28 2016-08-04 東洋紡株式会社 ガスバリア性成形体

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311345C2 (de) * 1983-03-21 1986-02-20 RSM Regel-, Steuer- und Messtechnik GmbH, 4000 Düsseldorf Verfahren zur Konstanthaltung der Wanddicke beim Extrudieren (Herstellen) langgestreckter Gegenstände aus Thermoplasten, wie Folien, Rohre, Schläuche, Kabelummantelungen, Platten und Profile und Meß- und Regeleinrichtung für Extruder, Strangpressen od. dgl. für langgestreckte Gegenstände
EP1801536A1 (en) * 2005-12-23 2007-06-27 Uponor Innovation Ab Method of manufacturing a pipe and a pipe
DE102014014511B4 (de) * 2014-10-06 2023-10-19 Reifenhäuser GmbH & Co. KG Maschinenfabrik Coextrusionsvorrichtung, Einschichtextrusionsvorrichtung und Nachrüstkit sowie Verfahren zum Messen einer Schichtdicke, zum Herstellen einer Kunststofffolie und zum Nachrüsten einer Extrusionsvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726922A (en) * 1952-10-06 1955-12-13 Us Rubber Co Control system
US2988641A (en) * 1957-01-28 1961-06-13 Dunlop Rubber Co Production of sheet materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016138192A (ja) * 2015-01-28 2016-08-04 東洋紡株式会社 ガスバリア性成形体

Also Published As

Publication number Publication date
BE825000A (fr) 1975-07-30
FR2261857A1 (ja) 1975-09-19
DE2503172A1 (de) 1975-08-28
GB1482307A (en) 1977-08-10
NL179947C (nl) 1986-12-01
CA1048126A (en) 1979-02-06
JPS5420983B2 (ja) 1979-07-26
NL179947B (nl) 1986-07-01
DE2503172C2 (de) 1984-07-19
FR2261857B1 (ja) 1979-09-28
NL7502044A (nl) 1975-08-25
IT1031429B (it) 1979-04-30
ES433942A1 (es) 1976-11-16

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