IT7927863A0 - Procedimento e dispositivo di estrusione per materiali da stampaggio termoindurenti. - Google Patents
Procedimento e dispositivo di estrusione per materiali da stampaggio termoindurenti.Info
- Publication number
- IT7927863A0 IT7927863A0 IT7927863A IT2786379A IT7927863A0 IT 7927863 A0 IT7927863 A0 IT 7927863A0 IT 7927863 A IT7927863 A IT 7927863A IT 2786379 A IT2786379 A IT 2786379A IT 7927863 A0 IT7927863 A0 IT 7927863A0
- Authority
- IT
- Italy
- Prior art keywords
- molding materials
- thermosetting molding
- extrusion procedure
- extrusion
- procedure
- Prior art date
Links
- 238000001125 extrusion Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000012778 molding material Substances 0.000 title 1
- 229920001187 thermosetting polymer Polymers 0.000 title 1
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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of 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
- B29C48/12—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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
-
- 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
- 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
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/10—Thermosetting resins
-
- 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
- B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
- B29K2301/10—Thermosetting resins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0870178A AT375299B (de) | 1978-12-06 | 1978-12-06 | Verfahren zur herstellung eines endlosen strangprofils aus duroplastischem kunststoff |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7927863A0 true IT7927863A0 (it) | 1979-12-04 |
IT1125905B IT1125905B (it) | 1986-05-14 |
Family
ID=3607818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27863/79A IT1125905B (it) | 1978-12-06 | 1979-12-04 | Procedimento e dispositivo di estrusione per materiali da stampaggio termoindurenti |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0020699B1 (it) |
AT (1) | AT375299B (it) |
BE (1) | BE880482A (it) |
DE (1) | DE3065569D1 (it) |
IT (1) | IT1125905B (it) |
WO (1) | WO1980001150A1 (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612630A (en) * | 1984-07-27 | 1986-09-16 | Harris Corporation | EEPROM margin testing design |
TW243531B (it) * | 1993-09-03 | 1995-03-21 | Motorola Inc |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1047264A (it) * | 1900-01-01 | |||
NL46843C (it) * | 1935-07-16 | 1939-05-15 | ||
FR1132590A (fr) * | 1954-06-22 | 1957-03-13 | Knapp Mills | Appareil d'extrusion |
GB794498A (en) * | 1954-07-01 | 1958-05-07 | Fielding & Platt Ltd | Improvements in or relating to hydraulic extrusion apparatus |
US3861848A (en) * | 1973-03-26 | 1975-01-21 | Joseph L Weingarten | Extrusion apparatus for producing large scale products |
GB1471115A (en) * | 1973-04-11 | 1977-04-21 | Gen Engineering Co | Extrusion of plastics materials |
DE2424364B2 (de) * | 1974-05-16 | 1980-03-06 | Ikegai Tekko K.K., Tokio | Verfahren und Vorrichtung zum vernetzenden Formpressen von hochmolekularen Stoffen |
-
1978
- 1978-12-06 AT AT0870178A patent/AT375299B/de not_active IP Right Cessation
-
1979
- 1979-12-01 WO PCT/EP1979/000094 patent/WO1980001150A1/de active IP Right Grant
- 1979-12-01 DE DE8080900082T patent/DE3065569D1/de not_active Expired
- 1979-12-04 IT IT27863/79A patent/IT1125905B/it active
- 1979-12-06 BE BE0/198466A patent/BE880482A/fr not_active IP Right Cessation
-
1980
- 1980-06-17 EP EP80900082A patent/EP0020699B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1125905B (it) | 1986-05-14 |
BE880482A (fr) | 1980-04-01 |
WO1980001150A1 (en) | 1980-06-12 |
ATA870178A (de) | 1983-12-15 |
EP0020699A1 (de) | 1981-01-07 |
EP0020699B1 (de) | 1983-11-16 |
DE3065569D1 (en) | 1983-12-22 |
AT375299B (de) | 1984-07-25 |
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