IT977738B - Estrusore a vite - Google Patents
Estrusore a viteInfo
- Publication number
- IT977738B IT977738B IT67269/73A IT6726973A IT977738B IT 977738 B IT977738 B IT 977738B IT 67269/73 A IT67269/73 A IT 67269/73A IT 6726973 A IT6726973 A IT 6726973A IT 977738 B IT977738 B IT 977738B
- Authority
- IT
- Italy
- Prior art keywords
- screw extruder
- extruder
- screw
- 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
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
- B29C44/3449—Feeding the blowing agent through the screw
-
- 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
- B29C44/3442—Mixing, kneading or conveying the foamable 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
- B29C48/25—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
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB605972A GB1378793A (en) | 1972-02-09 | 1972-02-09 | Extruder |
Publications (1)
Publication Number | Publication Date |
---|---|
IT977738B true IT977738B (it) | 1974-09-20 |
Family
ID=9807671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67269/73A IT977738B (it) | 1972-02-09 | 1973-02-07 | Estrusore a vite |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS4892461A (it) |
BE (1) | BE794766A (it) |
CA (1) | CA1007410A (it) |
DE (1) | DE2305914A1 (it) |
FR (1) | FR2171230B1 (it) |
GB (1) | GB1378793A (it) |
IT (1) | IT977738B (it) |
NL (1) | NL7301695A (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5220490A (en) * | 1990-10-25 | 1993-06-15 | Microelectronics And Computer Technology Corporation | Substrate interconnect allowing personalization using spot surface links |
-
0
- BE BE794766D patent/BE794766A/xx unknown
-
1972
- 1972-02-09 GB GB605972A patent/GB1378793A/en not_active Expired
-
1973
- 1973-01-17 CA CA161,484A patent/CA1007410A/en not_active Expired
- 1973-02-07 DE DE2305914A patent/DE2305914A1/de active Pending
- 1973-02-07 JP JP48014838A patent/JPS4892461A/ja active Pending
- 1973-02-07 NL NL7301695A patent/NL7301695A/xx not_active Application Discontinuation
- 1973-02-07 FR FR7304278A patent/FR2171230B1/fr not_active Expired
- 1973-02-07 IT IT67269/73A patent/IT977738B/it active
Also Published As
Publication number | Publication date |
---|---|
CA1007410A (en) | 1977-03-29 |
NL7301695A (it) | 1973-08-13 |
GB1378793A (en) | 1974-12-27 |
BE794766A (nl) | 1973-07-31 |
JPS4892461A (it) | 1973-11-30 |
FR2171230A1 (it) | 1973-09-21 |
FR2171230B1 (it) | 1977-04-22 |
DE2305914A1 (de) | 1973-08-16 |
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