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CH436688A - Extruder tool with a variable exit gap for producing a film - Google Patents

Extruder tool with a variable exit gap for producing a film

Info

Publication number
CH436688A
CH436688A CH1646064A CH1646064A CH436688A CH 436688 A CH436688 A CH 436688A CH 1646064 A CH1646064 A CH 1646064A CH 1646064 A CH1646064 A CH 1646064A CH 436688 A CH436688 A CH 436688A
Authority
CH
Switzerland
Prior art keywords
producing
film
exit gap
extruder tool
variable exit
Prior art date
Application number
CH1646064A
Other languages
German (de)
Inventor
M Tyrner Joseph
Original Assignee
Allied Chem
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
Priority claimed from US332514A external-priority patent/US3241183A/en
Application filed by Allied Chem filed Critical Allied Chem
Publication of CH436688A publication Critical patent/CH436688A/en

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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip
    • B29K2995/0073—Roughness, e.g. anti-slip smooth

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH1646064A 1963-12-23 1964-12-21 Extruder tool with a variable exit gap for producing a film CH436688A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US332514A US3241183A (en) 1963-12-23 1963-12-23 Film extrusion die
BE657349A BE657349A (en) 1963-12-23 1964-12-18

Publications (1)

Publication Number Publication Date
CH436688A true CH436688A (en) 1967-11-15

Family

ID=25656095

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1646064A CH436688A (en) 1963-12-23 1964-12-21 Extruder tool with a variable exit gap for producing a film

Country Status (4)

Country Link
BE (1) BE657349A (en)
CH (1) CH436688A (en)
DE (1) DE1479931B2 (en)
NL (1) NL6414911A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937204C2 (en) * 1979-09-14 1982-09-02 Werner & Pfleiderer, 7000 Stuttgart Extruder machine with wide die head and associated calender
ATE10443T1 (en) * 1980-06-10 1984-12-15 Erich Pagendarm SLOT NOZZLE FOR THE FORMATION OF CONTINUOUS GAS OR LIQUID CURTAINS, FOR EXAMPLE FOR BURNER.
CA1210917A (en) * 1983-06-28 1986-09-09 Arakalgud V. Ramamurthy Process for reducing surface melt fracture during extrusion of ethylene polymers
US5464577A (en) * 1994-01-04 1995-11-07 Minnesota Mining And Manufacturing Company Method of thickness control for dies
DE9412550U1 (en) * 1994-08-04 1994-10-13 Krupp Hoesch Tecna AG, 44145 Dortmund Pipe coating system for external coating of welded longitudinal seam pipes

Also Published As

Publication number Publication date
NL6414911A (en) 1965-06-24
DE1479931B2 (en) 1971-08-19
DE1479931A1 (en) 1969-05-14
BE657349A (en) 1965-04-16

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