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 incrociatoInfo
- 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
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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal 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
- B29C48/901—Thermal 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
- B29C48/902—Thermal 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
-
- 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
- B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
- B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
-
- 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
-
- 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
-
- 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
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal 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
-
- 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
- B29C48/0019—Combinations 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)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47063273A JPS5139678B2 (US06534493-20030318-C00166.png) | 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)
Families Citing this family (10)
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 (US06534493-20030318-C00166.png) * | 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 |
US5219666A (en) * | 1990-03-23 | 1993-06-15 | W.R. Grace & Co.-Conn. | Oriented film of high clarity and gloss |
US5158836A (en) * | 1991-02-21 | 1992-10-27 | 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)
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 |
-
0
- BE BE795687D patent/BE795687A/xx not_active IP Right Cessation
-
1972
- 1972-06-26 JP JP47063273A patent/JPS5139678B2/ja not_active Expired
-
1973
- 1973-02-06 GB GB571273A patent/GB1407923A/en not_active Expired
- 1973-02-06 US US330043A patent/US3894907A/en not_active Expired - Lifetime
- 1973-02-24 DE DE2309262A patent/DE2309262C3/de not_active Expired
- 1973-03-01 NL NLAANVRAGE7302916,A patent/NL169700C/xx not_active IP Right Cessation
- 1973-06-04 IT IT24994/73A patent/IT990607B/it active
- 1973-06-05 CA CA173,269A patent/CA1015114A/en not_active Expired
- 1973-06-08 CH CH1158574A patent/CH565643A5/xx not_active IP Right Cessation
- 1973-06-08 CH CH837773A patent/CH568840A5/xx not_active IP Right Cessation
- 1973-06-08 ZA ZA00733886A patent/ZA733886B/xx unknown
- 1973-06-08 ZA ZA00745007A patent/ZA745007B/xx unknown
- 1973-06-12 AU AU56814/73A patent/AU475013B2/en not_active Expired
- 1973-06-25 FR FR7323056A patent/FR2190609B1/fr not_active Expired
- 1973-06-26 BR BR4703/73A patent/BR7304703D0/pt unknown
- 1973-06-26 ES ES416636A patent/ES416636A1/es not_active Expired
-
1976
- 1976-12-15 CA CA268,456A patent/CA1037663A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2309262C3 (de) | 1979-02-01 |
ZA745007B (en) | 1975-04-30 |
FR2190609B1 (US06534493-20030318-C00166.png) | 1976-04-30 |
ZA733886B (en) | 1975-04-30 |
JPS5139678B2 (US06534493-20030318-C00166.png) | 1976-10-29 |
CH568840A5 (US06534493-20030318-C00166.png) | 1975-11-14 |
NL169700B (nl) | 1982-03-16 |
BE795687A (fr) | 1973-06-18 |
CA1037663A (en) | 1978-09-05 |
JPS4923275A (US06534493-20030318-C00166.png) | 1974-03-01 |
NL7302916A (US06534493-20030318-C00166.png) | 1973-12-28 |
DE2309262B2 (de) | 1978-06-08 |
ES416636A1 (es) | 1976-02-01 |
GB1407923A (en) | 1975-10-01 |
US3894907A (en) | 1975-07-15 |
CA1015114A (en) | 1977-08-09 |
AU475013B2 (en) | 1976-08-12 |
NL169700C (nl) | 1982-08-16 |
CH565643A5 (US06534493-20030318-C00166.png) | 1975-08-29 |
BR7304703D0 (pt) | 1974-09-05 |
FR2190609A1 (US06534493-20030318-C00166.png) | 1974-02-01 |
AU5681473A (en) | 1974-12-12 |
DE2309262A1 (de) | 1974-01-24 |
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