IT1008429B - PROCEDURE FOR THE MANUFACTURE OF LIGHTWEIGHT PLASTIC PROFILES - Google Patents
PROCEDURE FOR THE MANUFACTURE OF LIGHTWEIGHT PLASTIC PROFILESInfo
- Publication number
- IT1008429B IT1008429B IT49272/74A IT4927274A IT1008429B IT 1008429 B IT1008429 B IT 1008429B IT 49272/74 A IT49272/74 A IT 49272/74A IT 4927274 A IT4927274 A IT 4927274A IT 1008429 B IT1008429 B IT 1008429B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacture
- plastic profiles
- lightweight plastic
- lightweight
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat 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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
-
- 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
-
- 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
- B29C48/908—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 characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/911—Cooling
-
- 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
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
-
- 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
- B29C48/03—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Optical Elements Other Than Lenses (AREA)
- Die Bonding (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7309609A FR2221269B1 (en) | 1973-03-16 | 1973-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1008429B true IT1008429B (en) | 1976-11-10 |
Family
ID=9116449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49272/74A IT1008429B (en) | 1973-03-16 | 1974-03-15 | PROCEDURE FOR THE MANUFACTURE OF LIGHTWEIGHT PLASTIC PROFILES |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS502765A (en) |
BE (1) | BE811998A (en) |
DE (1) | DE2412364C3 (en) |
ES (1) | ES424352A1 (en) |
FR (1) | FR2221269B1 (en) |
GB (1) | GB1450990A (en) |
IE (1) | IE39073B1 (en) |
IN (1) | IN140819B (en) |
IT (1) | IT1008429B (en) |
LU (1) | LU69613A1 (en) |
NL (1) | NL7403400A (en) |
NO (1) | NO143657C (en) |
SE (1) | SE401998B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5198356U (en) * | 1975-02-05 | 1976-08-06 | ||
JPS58196490U (en) * | 1982-06-25 | 1983-12-27 | キヨ−ラク株式会社 | plastic bulkhead duct |
JPS59163284U (en) * | 1983-04-18 | 1984-11-01 | 三菱電機株式会社 | double layer pipe |
CN104645657A (en) * | 2013-11-15 | 2015-05-27 | 嘉兴市南洋塑料化工有限公司 | System of reducing heating loss of methyl tetrahydrophthalic anhydride and method thereof |
-
1973
- 1973-03-16 FR FR7309609A patent/FR2221269B1/fr not_active Expired
-
1974
- 1974-03-04 SE SE7402804A patent/SE401998B/en unknown
- 1974-03-07 BE BE141750A patent/BE811998A/en unknown
- 1974-03-11 LU LU69613A patent/LU69613A1/xx unknown
- 1974-03-13 GB GB1125274A patent/GB1450990A/en not_active Expired
- 1974-03-14 IN IN552/CAL/1974A patent/IN140819B/en unknown
- 1974-03-14 NO NO740903A patent/NO143657C/en unknown
- 1974-03-14 NL NL7403400A patent/NL7403400A/xx not_active Application Discontinuation
- 1974-03-14 DE DE2412364A patent/DE2412364C3/en not_active Expired
- 1974-03-15 JP JP49030531A patent/JPS502765A/ja active Pending
- 1974-03-15 IE IE564/74A patent/IE39073B1/en unknown
- 1974-03-15 IT IT49272/74A patent/IT1008429B/en active
- 1974-03-16 ES ES424352A patent/ES424352A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IE39073L (en) | 1974-09-16 |
JPS502765A (en) | 1975-01-13 |
NO740903L (en) | 1974-09-17 |
DE2412364A1 (en) | 1974-09-19 |
ES424352A1 (en) | 1976-06-01 |
GB1450990A (en) | 1976-09-29 |
IE39073B1 (en) | 1978-08-02 |
SE401998B (en) | 1978-06-12 |
FR2221269A1 (en) | 1974-10-11 |
BE811998A (en) | 1974-09-09 |
IN140819B (en) | 1976-12-25 |
DE2412364B2 (en) | 1980-03-27 |
NO143657B (en) | 1980-12-15 |
NL7403400A (en) | 1974-09-18 |
DE2412364C3 (en) | 1980-11-27 |
LU69613A1 (en) | 1974-10-09 |
FR2221269B1 (en) | 1976-05-21 |
NO143657C (en) | 1981-03-25 |
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