DE2911235C2 - - Google Patents

Info

Publication number
DE2911235C2
DE2911235C2 DE2911235A DE2911235A DE2911235C2 DE 2911235 C2 DE2911235 C2 DE 2911235C2 DE 2911235 A DE2911235 A DE 2911235A DE 2911235 A DE2911235 A DE 2911235A DE 2911235 C2 DE2911235 C2 DE 2911235C2
Authority
DE
Germany
Prior art keywords
line
hose
pressure
air
discharge line
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
DE2911235A
Other languages
German (de)
English (en)
Other versions
DE2911235A1 (de
Inventor
Philippe Dakar Sn Mengeot
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.)
Cotelle SA
Original Assignee
Cotelle SA
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 Cotelle SA filed Critical Cotelle SA
Publication of DE2911235A1 publication Critical patent/DE2911235A1/de
Application granted granted Critical
Publication of DE2911235C2 publication Critical patent/DE2911235C2/de
Granted 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
    • B29C2948/92428—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
    • B29C2948/92628—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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle 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
    • B29C2948/92819—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
    • 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

  • 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)
DE19792911235 1978-04-21 1979-03-22 Vorrichtung zum aufrechterhalten der form eines elastischen schlauches Granted DE2911235A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CM5647778 1978-04-21

Publications (2)

Publication Number Publication Date
DE2911235A1 DE2911235A1 (de) 1979-12-06
DE2911235C2 true DE2911235C2 (enExample) 1989-05-03

Family

ID=4574624

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792911235 Granted DE2911235A1 (de) 1978-04-21 1979-03-22 Vorrichtung zum aufrechterhalten der form eines elastischen schlauches

Country Status (8)

Country Link
BE (1) BE875721A (enExample)
CH (1) CH627964A5 (enExample)
DE (1) DE2911235A1 (enExample)
ES (1) ES478833A1 (enExample)
FR (1) FR2423323A1 (enExample)
GB (1) GB2019306B (enExample)
IT (1) IT1112250B (enExample)
PT (1) PT69457A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019127454B4 (de) 2019-03-29 2023-05-04 Windmöller & Hölscher Kg System zur verbesserten Einführung einer Trennvorrichtung sowie Blasfolienanlage sowie Verfahren zur Herstellung und Bereitstellung von zumindest zwei Folienbahnen aus Kunststoff in einer Blasfolienanlage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1030187A (en) * 1964-03-05 1966-05-18 Canadian Ind Layflat tubular film manufacture
US3992107A (en) * 1975-08-27 1976-11-16 Union Carbide Corporation Automatic flat width control

Also Published As

Publication number Publication date
IT1112250B (it) 1986-01-13
ES478833A1 (es) 1979-08-01
IT7921994A0 (it) 1979-04-19
GB2019306B (en) 1982-11-10
PT69457A (fr) 1979-05-01
CH627964A5 (en) 1982-02-15
BE875721A (fr) 1979-10-22
GB2019306A (en) 1979-10-31
FR2423323B1 (enExample) 1984-02-17
FR2423323A1 (fr) 1979-11-16
DE2911235A1 (de) 1979-12-06

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: LESIEUR COTELLE ET ASSOCIES S.A., 92103 BOULOGNE-S

8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: B29D 7/01

8127 New person/name/address of the applicant

Owner name: COTELLE S.A., BOULOGNE-SUR-SEINE, FR

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee