IT1040741B - Procedimento ed apparecchio per produrre nastri stirati di materiali termoplastici - Google Patents

Procedimento ed apparecchio per produrre nastri stirati di materiali termoplastici

Info

Publication number
IT1040741B
IT1040741B IT50249/75A IT5024975A IT1040741B IT 1040741 B IT1040741 B IT 1040741B IT 50249/75 A IT50249/75 A IT 50249/75A IT 5024975 A IT5024975 A IT 5024975A IT 1040741 B IT1040741 B IT 1040741B
Authority
IT
Italy
Prior art keywords
procedure
thermoplastic materials
stretched tapes
producing stretched
tapes
Prior art date
Application number
IT50249/75A
Other languages
English (en)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1040741B publication Critical patent/IT1040741B/it

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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
    • 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
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/73—Processes of stretching

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Advancing Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT50249/75A 1974-06-29 1975-06-27 Procedimento ed apparecchio per produrre nastri stirati di materiali termoplastici IT1040741B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2431385A DE2431385C3 (de) 1974-06-29 1974-06-29 Verfahren und Vorrichtung zur Herstellung von verstreckten Flachfolienbahnen aus thermoplastischen Kunststoffen

Publications (1)

Publication Number Publication Date
IT1040741B true IT1040741B (it) 1979-12-20

Family

ID=5919326

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50249/75A IT1040741B (it) 1974-06-29 1975-06-27 Procedimento ed apparecchio per produrre nastri stirati di materiali termoplastici

Country Status (8)

Country Link
US (1) US4076785A (it)
JP (1) JPS6038259B2 (it)
DE (1) DE2431385C3 (it)
FR (1) FR2315376A1 (it)
GB (1) GB1513797A (it)
IT (1) IT1040741B (it)
LU (1) LU72839A1 (it)
NL (1) NL182945C (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025256B2 (ja) * 1977-03-18 1985-06-17 ユニチカ株式会社 熱可塑性樹脂フィルムの延伸方法
IT1114242B (it) 1979-05-18 1986-01-27 Montedison Spa Procedimento e dispositivo per preparare strutture composite reticolari
US4336679A (en) * 1979-11-21 1982-06-29 Lantech Inc. Film web drive stretch wrapping apparatus and process
US4387552A (en) * 1980-09-08 1983-06-14 Lantech, Inc. Wrapping apparatus
US4712686A (en) * 1980-09-08 1987-12-15 Lantech, Inc. Power assisted roller-stretch apparatus and process
US4413463A (en) * 1980-10-23 1983-11-08 Lantech, Inc. Roller stretch pass through stretching apparatus and process
DE3507916A1 (de) * 1985-03-06 1986-09-11 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung sehr duenner, biaxial streckorientierter kunststoffolien
US5178706A (en) * 1987-01-23 1993-01-12 Sumitomo Chemical Co., Ltd. Method of producing thin fiber-reinforced resin sheet
DE4032907A1 (de) * 1990-10-17 1992-04-23 Hoechst Ag Verfahren zur herstellung von folienbahnen von geringer dicke
JP3107575B2 (ja) * 1990-12-29 2000-11-13 株式会社ブリヂストン 環状部材の成形装置および成形方法
DE4114670A1 (de) * 1991-05-06 1992-11-12 Hoechst Ag Verfahren zur herstellung von folienbahnen von geringer dicke
US5367042A (en) * 1992-08-27 1994-11-22 The Dow Chemical Company Process for fabricating oriented polybenzazole films
FR2809119A1 (fr) * 2000-05-17 2001-11-23 Saint Gobain Isover Procede de formation et conditionnement de feutres isolants et son dispositif de mise en oeuvre
US11046062B2 (en) * 2017-12-29 2021-06-29 Inteplast Group Corporation Extruded pre-stretched polyethylene films
DE102021000710A1 (de) * 2021-02-11 2022-08-11 Bb Engineering Gmbh Verfahren und Vorrichtung zum Recken von Kunststofffolien

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618012A (en) * 1948-05-14 1952-11-18 American Viscose Corp Method and apparatus for two-way stretching a continuous sheet
US2704860A (en) * 1953-03-20 1955-03-29 American Viscose Corp Method and apparatus for producing pellicles
US2852813A (en) * 1956-03-16 1958-09-23 Dow Chemical Co Method for handling and processing tubular film
US3419650A (en) * 1964-06-05 1968-12-31 Fmc Corp Method for making thermoplastic films
US3416986A (en) * 1965-06-28 1968-12-17 Nat Distillers Chem Corp Method of laminating an extruded plastic sheet
US3516886A (en) * 1966-12-14 1970-06-23 Nat Distillers Chem Corp Multi-web laminated extrusion process
US3527859A (en) * 1967-12-11 1970-09-08 Fmc Corp Manufacture of scored films

Also Published As

Publication number Publication date
NL182945B (nl) 1988-01-18
NL182945C (nl) 1988-06-16
JPS6038259B2 (ja) 1985-08-30
GB1513797A (en) 1978-06-07
JPS5124678A (it) 1976-02-28
NL7507614A (nl) 1975-12-31
DE2431385B2 (de) 1979-08-23
US4076785A (en) 1978-02-28
FR2315376A1 (fr) 1977-01-21
DE2431385C3 (de) 1980-04-24
DE2431385A1 (de) 1976-01-15
FR2315376B1 (it) 1977-12-02
LU72839A1 (it) 1977-03-07

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