IT1097153B - Dispositivo di tenuta per macchine di estrusione e mescolamento di materiali flastici - Google Patents
Dispositivo di tenuta per macchine di estrusione e mescolamento di materiali flasticiInfo
- Publication number
- IT1097153B IT1097153B IT25633/78A IT2563378A IT1097153B IT 1097153 B IT1097153 B IT 1097153B IT 25633/78 A IT25633/78 A IT 25633/78A IT 2563378 A IT2563378 A IT 2563378A IT 1097153 B IT1097153 B IT 1097153B
- Authority
- IT
- Italy
- Prior art keywords
- flastic
- extrusion
- materials
- sealing device
- mixing machines
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
-
- 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
- B29C48/254—Sealing means
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/445—Coaxially arranged screws, i.e. one within the other
-
- 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
-
- 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
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
-
- 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
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Sealing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/815,367 US4117549A (en) | 1977-07-13 | 1977-07-13 | Extruder seal |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7825633A0 IT7825633A0 (it) | 1978-07-13 |
IT1097153B true IT1097153B (it) | 1985-08-26 |
Family
ID=25217581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25633/78A IT1097153B (it) | 1977-07-13 | 1978-07-13 | Dispositivo di tenuta per macchine di estrusione e mescolamento di materiali flastici |
Country Status (17)
Country | Link |
---|---|
US (1) | US4117549A (it) |
JP (1) | JPS5418866A (it) |
AU (1) | AU522074B2 (it) |
BE (1) | BE868799A (it) |
BR (1) | BR7804150A (it) |
CA (1) | CA1099876A (it) |
DD (1) | DD137424A5 (it) |
DE (1) | DE2830026A1 (it) |
ES (1) | ES472012A1 (it) |
FR (1) | FR2397282A1 (it) |
GB (1) | GB2001004B (it) |
IT (1) | IT1097153B (it) |
LU (1) | LU79956A1 (it) |
MX (1) | MX146276A (it) |
NL (1) | NL7807398A (it) |
SE (1) | SE421187B (it) |
SU (1) | SU931095A3 (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0280562U (it) * | 1988-12-12 | 1990-06-21 | ||
JPH02102372U (it) * | 1989-02-01 | 1990-08-15 | ||
JPH02105857U (it) * | 1989-02-06 | 1990-08-22 | ||
US5783122A (en) * | 1996-08-14 | 1998-07-21 | Owens Corning Fiberglas Technology, Inc. | Vacuum extrusion apparatus and method |
US9662824B2 (en) * | 2006-08-15 | 2017-05-30 | Ecosynthetix Ltd. | Process for producing biopolymer nanoparticles |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB897293A (en) * | 1960-10-14 | 1962-05-23 | Pullman Inc | Long travel hydraulic cushion device |
GB946386A (en) * | 1962-06-25 | 1964-01-15 | James Garvey | Improvements in or relating to screw extruders |
DE2042973A1 (en) * | 1970-08-29 | 1972-03-02 | Krupp Gmbh | Built up extruder housing - of rigid sleeve barrel separate flanges and outer casing |
DE7413427U (de) * | 1974-04-18 | 1977-05-26 | Draegerwerk Ag, 2400 Luebeck | Reinigungs- und desinfektionseinrichtung fuer atemschutzmasken |
NL7501854A (nl) * | 1974-04-18 | 1975-10-21 | Berstorff Gmbh Masch Hermann | Inrichting voor het afdichtend verbinden van twee cilindermanteldelen voor een transport- worm. |
DE2423785C2 (de) * | 1974-05-16 | 1980-06-12 | Werner & Pfleiderer, 7000 Stuttgart | Verschleißeinsatz für das Schneckengehäuse einer Doppelschneckenstrangpresse oder -Spritzgießmaschine |
US4032115A (en) * | 1976-06-21 | 1977-06-28 | Exxon Research And Engineering Company | Device for mixing components which form a plastic |
-
1977
- 1977-07-13 US US05/815,367 patent/US4117549A/en not_active Expired - Lifetime
-
1978
- 1978-05-17 CA CA303,562A patent/CA1099876A/en not_active Expired
- 1978-06-22 MX MX173895A patent/MX146276A/es unknown
- 1978-06-28 BR BR7804150A patent/BR7804150A/pt unknown
- 1978-07-04 FR FR7819895A patent/FR2397282A1/fr active Granted
- 1978-07-06 BE BE189124A patent/BE868799A/xx not_active IP Right Cessation
- 1978-07-07 DE DE19782830026 patent/DE2830026A1/de not_active Withdrawn
- 1978-07-10 NL NL7807398A patent/NL7807398A/xx not_active Application Discontinuation
- 1978-07-11 AU AU37935/78A patent/AU522074B2/en not_active Expired
- 1978-07-11 LU LU79956A patent/LU79956A1/xx unknown
- 1978-07-11 JP JP8497478A patent/JPS5418866A/ja active Granted
- 1978-07-11 GB GB7829472A patent/GB2001004B/en not_active Expired
- 1978-07-11 DD DD78206648A patent/DD137424A5/xx unknown
- 1978-07-12 ES ES472012A patent/ES472012A1/es not_active Expired
- 1978-07-12 SE SE7807765A patent/SE421187B/sv unknown
- 1978-07-13 IT IT25633/78A patent/IT1097153B/it active
- 1978-07-13 SU SU782634500A patent/SU931095A3/ru active
Also Published As
Publication number | Publication date |
---|---|
SE421187B (sv) | 1981-12-07 |
SU931095A3 (ru) | 1982-05-23 |
DE2830026A1 (de) | 1979-02-01 |
GB2001004A (en) | 1979-01-24 |
GB2001004B (en) | 1982-02-17 |
CA1099876A (en) | 1981-04-28 |
ES472012A1 (es) | 1979-02-01 |
DD137424A5 (de) | 1979-09-05 |
AU3793578A (en) | 1980-01-17 |
SE7807765L (sv) | 1979-01-14 |
AU522074B2 (en) | 1982-05-13 |
JPS5418866A (en) | 1979-02-13 |
MX146276A (es) | 1982-06-02 |
JPS613245B2 (it) | 1986-01-31 |
BE868799A (fr) | 1978-11-03 |
US4117549A (en) | 1978-09-26 |
BR7804150A (pt) | 1979-03-06 |
FR2397282A1 (fr) | 1979-02-09 |
NL7807398A (nl) | 1979-01-16 |
FR2397282B1 (it) | 1983-11-18 |
IT7825633A0 (it) | 1978-07-13 |
LU79956A1 (it) | 1978-12-12 |
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