GB1494507A - Apparatus for the control of the width of a web - Google Patents

Apparatus for the control of the width of a web

Info

Publication number
GB1494507A
GB1494507A GB54689/74A GB5468974A GB1494507A GB 1494507 A GB1494507 A GB 1494507A GB 54689/74 A GB54689/74 A GB 54689/74A GB 5468974 A GB5468974 A GB 5468974A GB 1494507 A GB1494507 A GB 1494507A
Authority
GB
United Kingdom
Prior art keywords
web
width
photo
circuit
cells
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
GB54689/74A
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.)
Institue for Industrial Research and Standards
Original Assignee
Institue for Industrial Research and Standards
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 Institue for Industrial Research and Standards filed Critical Institue for Industrial Research and Standards
Publication of GB1494507A publication Critical patent/GB1494507A/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
    • B29C48/25—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
    • B29C2948/92114—Dimensions
    • B29C2948/92133—Width or height
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB54689/74A 1973-12-28 1974-12-18 Apparatus for the control of the width of a web Expired GB1494507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE2335/73A IE39327B1 (en) 1973-12-28 1973-12-28 Apparatus for the control if the width of a web

Publications (1)

Publication Number Publication Date
GB1494507A true GB1494507A (en) 1977-12-07

Family

ID=11034204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54689/74A Expired GB1494507A (en) 1973-12-28 1974-12-18 Apparatus for the control of the width of a web

Country Status (5)

Country Link
DE (1) DE2461720A1 (enrdf_load_html_response)
FR (1) FR2256019B1 (enrdf_load_html_response)
GB (1) GB1494507A (enrdf_load_html_response)
IE (1) IE39327B1 (enrdf_load_html_response)
IT (1) IT1027895B (enrdf_load_html_response)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2740629A1 (de) * 1977-09-09 1979-03-15 Pannenbecker H Folienblasverfahren
FR2502358A1 (fr) * 1981-03-18 1982-09-24 Montage Cie Indle Dispositif pour maintenir une hauteur constante predeterminee de liquide au-dessus d'un produit dont le niveau est susceptible de varier
DE3203452C2 (de) * 1982-02-02 1986-02-13 Erhardt & Leimer Kg, 8900 Augsburg Bahnlaufregelvorrichtung
IT1199385B (it) * 1984-02-23 1988-12-30 Gd Spa Dispositivo di alimentazione di nastri di materiale d'incarto ad una macchina confezionatrice di sigarette del tipo a doppio baco
EP0218850A1 (de) * 1985-09-25 1987-04-22 Kunststoff-Verarbeitungs GmbH Dirk A. Brügmann Verfahren zur Ermittlung einer proportionalen Veränderung eines Profils
DE3541680A1 (de) * 1985-11-26 1987-05-27 Bernd Becker Vorrichtung zur steuerung einer anlage fuer die herstellung von strangprofilen
JPH0739128B2 (ja) * 1991-03-29 1995-05-01 鬼怒川ゴム工業株式会社 連続押出加硫ラインの制御装置

Also Published As

Publication number Publication date
IE39327L (en) 1975-06-28
FR2256019B1 (enrdf_load_html_response) 1978-09-29
IT1027895B (it) 1978-12-20
FR2256019A1 (enrdf_load_html_response) 1975-07-25
IE39327B1 (en) 1978-09-13
DE2461720A1 (de) 1975-07-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee