IT1276985B1 - Dispositivo di degassamento e suo impiego - Google Patents
Dispositivo di degassamento e suo impiegoInfo
- Publication number
- IT1276985B1 IT1276985B1 IT95MI002186A ITMI952186A IT1276985B1 IT 1276985 B1 IT1276985 B1 IT 1276985B1 IT 95MI002186 A IT95MI002186 A IT 95MI002186A IT MI952186 A ITMI952186 A IT MI952186A IT 1276985 B1 IT1276985 B1 IT 1276985B1
- Authority
- IT
- Italy
- Prior art keywords
- degassing device
- degassing
- 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
- B29C48/76—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
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
-
- 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
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Disintegrating Or Milling (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4437994A DE4437994C1 (de) | 1994-10-25 | 1994-10-25 | Entgasungsvorrichtung und ihre Verwendung |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI952186A0 ITMI952186A0 (it) | 1995-10-23 |
ITMI952186A1 ITMI952186A1 (it) | 1997-04-23 |
IT1276985B1 true IT1276985B1 (it) | 1997-11-03 |
Family
ID=6531573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT95MI002186A IT1276985B1 (it) | 1994-10-25 | 1995-10-23 | Dispositivo di degassamento e suo impiego |
Country Status (7)
Country | Link |
---|---|
US (1) | US5634963A (it) |
JP (1) | JPH08229307A (it) |
CN (1) | CN1058439C (it) |
DE (1) | DE4437994C1 (it) |
IT (1) | IT1276985B1 (it) |
NL (1) | NL1001483C2 (it) |
RU (1) | RU2140360C1 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1058907C (zh) * | 1997-10-13 | 2000-11-29 | 保定天鹅化纤集团有限公司 | 双效间冷式的脱气装置及其应用 |
MXPA03010745A (es) * | 2001-05-23 | 2005-03-07 | A San Chemicals Co Ltd | Espumas tipo peletizado de resina de polipropileno noreticulada que tienen punto de fusion inferior y procedimiento y dispositivo para producir las mismas y espumas moldeadas de esas. |
US7462225B1 (en) | 2004-09-15 | 2008-12-09 | Wood Group Esp, Inc. | Gas separator agitator assembly |
US7461692B1 (en) | 2005-12-15 | 2008-12-09 | Wood Group Esp, Inc. | Multi-stage gas separator |
WO2009076049A1 (en) * | 2007-12-10 | 2009-06-18 | Bausch & Lomb Incorporated | Apparatus and method for degassing a fluid to enhance inspection of ophthalmic devices |
SE532746C2 (sv) * | 2008-06-11 | 2010-03-30 | Bio Energy Dev North Ab | Förfarande och apparatur för framställning av torrefierat lignocellulosamaterial |
US9616632B2 (en) * | 2015-03-06 | 2017-04-11 | Nationwide 5, Llc | Wet grain drying system and method |
JP2023527829A (ja) * | 2020-05-26 | 2023-06-30 | ゼウス カンパニー インコーポレイテッド | 熱機械的に分解されたptfeからの微粒子 |
WO2022118215A1 (en) | 2020-12-02 | 2022-06-09 | 3M Innovative Properties Company | White polytetrafluoroethylene powders |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2078565A (en) * | 1933-10-30 | 1937-04-27 | Durst Emanuel | Vacuum press and the like |
US2572063A (en) * | 1947-06-06 | 1951-10-23 | Gen Electric | Pugmill |
US2785455A (en) * | 1953-04-07 | 1957-03-19 | Internat Clay Machinery Of Del | Apparatus for working clay-like materials |
US3257173A (en) * | 1960-08-23 | 1966-06-21 | Du Pont | Polymer finishing apparatus |
GB1035566A (en) * | 1963-09-21 | 1966-07-13 | Daikin Ind Ltd | Coating composition |
US3609828A (en) * | 1967-02-17 | 1971-10-05 | Colgate Palmolive Co | Plodder for making variegated soap |
US3809140A (en) * | 1969-12-24 | 1974-05-07 | Bayer Ag | Concentration of materials |
US3917507A (en) * | 1971-02-22 | 1975-11-04 | Welding Engineers | Countercurrent combined liquid and vapor stripping in screw devolatilizer |
DE2120601B2 (de) * | 1971-04-27 | 1973-08-09 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | Verfahren und vorrichtung zum verarbeiten und entgasen thermisch empfindlicher pulverfoermiger thermoplaste |
US3963558A (en) * | 1974-12-09 | 1976-06-15 | W Bar E, Incorporated | Apparatus and method for producing solid polymeric material from a dilute polymer solution |
US3993722A (en) * | 1975-01-31 | 1976-11-23 | The Procter & Gamble Company | Process for making variegated soap bars or cakes |
US4186047A (en) * | 1977-02-02 | 1980-01-29 | Phillips Petroleum Company | Solvent removal from polymer solutions |
DE2721848C2 (de) * | 1977-05-14 | 1982-12-02 | Bayer Ag, 5090 Leverkusen | Verfahren zum Konzentrieren von Lösungen mit gleichzeitiger Erstarrung |
NL8102930A (nl) * | 1981-06-17 | 1983-01-17 | Stamicarbon | Werkwijze voor het bereiden van polymeersmelten die vrijwel vrij zijn van vluchtige bestanddelen. |
SE468015B (sv) * | 1987-04-15 | 1992-10-19 | Sunds Defibrator Ind Ab | Anlaeggning foer framstaellning av fibermassa av lignocellulosamaterial |
JPH0643048B2 (ja) * | 1989-03-27 | 1994-06-08 | 日本碍子株式会社 | セラミック押出法およびそれに用いる装置 |
US5417742A (en) * | 1993-12-03 | 1995-05-23 | The Boc Group, Inc. | Removal of perfluorocarbons from gas streams |
-
1994
- 1994-10-25 DE DE4437994A patent/DE4437994C1/de not_active Expired - Fee Related
-
1995
- 1995-10-23 CN CN95115955A patent/CN1058439C/zh not_active Expired - Fee Related
- 1995-10-23 NL NL1001483A patent/NL1001483C2/nl not_active IP Right Cessation
- 1995-10-23 US US08/546,614 patent/US5634963A/en not_active Expired - Fee Related
- 1995-10-23 JP JP7274384A patent/JPH08229307A/ja active Pending
- 1995-10-23 IT IT95MI002186A patent/IT1276985B1/it active IP Right Grant
- 1995-10-24 RU RU95118129/12A patent/RU2140360C1/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ITMI952186A1 (it) | 1997-04-23 |
JPH08229307A (ja) | 1996-09-10 |
RU2140360C1 (ru) | 1999-10-27 |
US5634963A (en) | 1997-06-03 |
ITMI952186A0 (it) | 1995-10-23 |
CN1128696A (zh) | 1996-08-14 |
NL1001483C2 (nl) | 1997-03-20 |
CN1058439C (zh) | 2000-11-15 |
DE4437994C1 (de) | 1996-07-04 |
NL1001483A1 (nl) | 1996-04-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |