IT990607B - Metodo ed apparecchiatura per la fabbricazione di pellicola cilin drica appiattita consistente in strati di resina termoplastica stirati in senso incrociato - Google Patents

Metodo ed apparecchiatura per la fabbricazione di pellicola cilin drica appiattita consistente in strati di resina termoplastica stirati in senso incrociato

Info

Publication number
IT990607B
IT990607B IT24994/73A IT2499473A IT990607B IT 990607 B IT990607 B IT 990607B IT 24994/73 A IT24994/73 A IT 24994/73A IT 2499473 A IT2499473 A IT 2499473A IT 990607 B IT990607 B IT 990607B
Authority
IT
Italy
Prior art keywords
drica
cilin
equipment
thermoplastic resin
resin layers
Prior art date
Application number
IT24994/73A
Other languages
English (en)
Inventor
S Michio
Original Assignee
Sudo M
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 Sudo M filed Critical Sudo M
Application granted granted Critical
Publication of IT990607B publication Critical patent/IT990607B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0013Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0015Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0018Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0019Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
IT24994/73A 1972-06-26 1973-06-04 Metodo ed apparecchiatura per la fabbricazione di pellicola cilin drica appiattita consistente in strati di resina termoplastica stirati in senso incrociato IT990607B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47063273A JPS5139678B2 (it) 1972-06-26 1972-06-26

Publications (1)

Publication Number Publication Date
IT990607B true IT990607B (it) 1975-07-10

Family

ID=13224516

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24994/73A IT990607B (it) 1972-06-26 1973-06-04 Metodo ed apparecchiatura per la fabbricazione di pellicola cilin drica appiattita consistente in strati di resina termoplastica stirati in senso incrociato

Country Status (14)

Country Link
US (1) US3894907A (it)
JP (1) JPS5139678B2 (it)
AU (1) AU475013B2 (it)
BE (1) BE795687A (it)
BR (1) BR7304703D0 (it)
CA (2) CA1015114A (it)
CH (2) CH565643A5 (it)
DE (1) DE2309262C3 (it)
ES (1) ES416636A1 (it)
FR (1) FR2190609B1 (it)
GB (1) GB1407923A (it)
IT (1) IT990607B (it)
NL (1) NL169700C (it)
ZA (2) ZA745007B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039364A (en) * 1974-07-05 1977-08-02 Rasmussen O B Method for producing a laminated high strength sheet
JPS5148323A (it) * 1974-10-23 1976-04-26 Nippon Musical Instruments Mfg
JPS6043301B2 (ja) * 1978-08-31 1985-09-27 三井化学株式会社 多層積層フイルムおよびその製造方法
US4251197A (en) * 1979-09-12 1981-02-17 Michio Sudo Stretching apparatus of a flattened cylindrical film
US4496516A (en) * 1982-08-09 1985-01-29 W. R. Grace & Co., Cryovac Div. Process for forming oriented multi-layer films having a different orientation distribution between layers
US4885196A (en) * 1988-06-07 1989-12-05 Mobil Oil Corporation Three-layer cross-laminated film with foam core made by counter-rotating dies
US5298202A (en) * 1989-07-28 1994-03-29 W. R. Grace & Co.-Conn. Double bubble process for making strong, thin film
US5158836A (en) * 1991-02-21 1992-10-27 W. R. Grace & Co.-Conn. Oriented film of high clarity and gloss
US5219666A (en) * 1990-03-23 1993-06-15 W.R. Grace & Co.-Conn. Oriented film of high clarity and gloss
CA2048296C (en) * 1990-08-13 2002-09-24 Henry G. Schirmer Blends of polypropylene and ethylene copolymer and films made from the blend

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275725A (en) * 1962-09-19 1966-09-27 Multifol Patentverwert Ag Method of making laminated tubing
US3322613A (en) * 1963-02-11 1967-05-30 Phillips Petroleum Co Laminated sheet material
AT325299B (de) * 1967-02-27 1975-10-10 Hegler Wilhelm Vorrichtung zur herstellung von rohren aus thermoplastischem kunststoff
US3539666A (en) * 1968-06-18 1970-11-10 Grace W R & Co Method for preparing a nonwoven fabriclike member
BE756616A (fr) * 1969-10-31 1971-03-01 Reifenhauser K G Procede et installation de soufflage permettant de fabriquer des feuilles multicouches en matieres plastiques
US3754063A (en) * 1970-03-23 1973-08-21 Grace W R & Co Method for casting an inflated tubular polyethylene film with mixed polymer of polypropylene-polybutene-1

Also Published As

Publication number Publication date
AU475013B2 (en) 1976-08-12
JPS5139678B2 (it) 1976-10-29
DE2309262C3 (de) 1979-02-01
ES416636A1 (es) 1976-02-01
NL169700B (nl) 1982-03-16
CA1015114A (en) 1977-08-09
JPS4923275A (it) 1974-03-01
US3894907A (en) 1975-07-15
DE2309262A1 (de) 1974-01-24
CH568840A5 (it) 1975-11-14
NL7302916A (it) 1973-12-28
ZA745007B (en) 1975-04-30
CA1037663A (en) 1978-09-05
AU5681473A (en) 1974-12-12
NL169700C (nl) 1982-08-16
BR7304703D0 (pt) 1974-09-05
DE2309262B2 (de) 1978-06-08
BE795687A (fr) 1973-06-18
FR2190609B1 (it) 1976-04-30
CH565643A5 (it) 1975-08-29
ZA733886B (en) 1975-04-30
GB1407923A (en) 1975-10-01
FR2190609A1 (it) 1974-02-01

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