FR2327059A1 - Procede et dispositif pour empecher le retrecissement en largeur de feuilles en materiau synthetique en forme de bandes - Google Patents

Procede et dispositif pour empecher le retrecissement en largeur de feuilles en materiau synthetique en forme de bandes

Info

Publication number
FR2327059A1
FR2327059A1 FR7344562A FR7344562A FR2327059A1 FR 2327059 A1 FR2327059 A1 FR 2327059A1 FR 7344562 A FR7344562 A FR 7344562A FR 7344562 A FR7344562 A FR 7344562A FR 2327059 A1 FR2327059 A1 FR 2327059A1
Authority
FR
France
Prior art keywords
strips
sheets
preventing
synthetic material
width shrinking
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.)
Granted
Application number
FR7344562A
Other languages
English (en)
Other versions
FR2327059B1 (fr
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.)
KraussMaffei Extrusion GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
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 Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Publication of FR2327059A1 publication Critical patent/FR2327059A1/fr
Application granted granted Critical
Publication of FR2327059B1 publication Critical patent/FR2327059B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • B29C48/03—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
    • 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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
FR7344562A 1972-12-14 1973-12-13 Procede et dispositif pour empecher le retrecissement en largeur de feuilles en materiau synthetique en forme de bandes Granted FR2327059A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2261117 1972-12-14

Publications (2)

Publication Number Publication Date
FR2327059A1 true FR2327059A1 (fr) 1977-05-06
FR2327059B1 FR2327059B1 (fr) 1978-03-24

Family

ID=5864367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7344562A Granted FR2327059A1 (fr) 1972-12-14 1973-12-13 Procede et dispositif pour empecher le retrecissement en largeur de feuilles en materiau synthetique en forme de bandes

Country Status (4)

Country Link
BE (1) BE806210A (fr)
FR (1) FR2327059A1 (fr)
GB (1) GB1394805A (fr)
IT (1) IT1000300B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414676C2 (de) * 1984-04-18 1986-08-21 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Verwendung einer Einrichtung zum Anblasen von Druckluft an eine thermoplastische Kunststoffolie
DE4304374C1 (de) * 1993-02-13 1994-01-27 Kleinewefers Gmbh Kalander für Materialbahnen aus Papier o. dgl.

Also Published As

Publication number Publication date
FR2327059B1 (fr) 1978-03-24
BE806210A (fr) 1974-02-15
IT1000300B (it) 1976-03-30
GB1394805A (en) 1975-05-21
IT7354260A1 (it) 1975-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse