IT962305B - Impianto per la filtrazione per plastica fluida e relativa valvola - Google Patents
Impianto per la filtrazione per plastica fluida e relativa valvolaInfo
- Publication number
- IT962305B IT962305B IT5246172A IT5246172A IT962305B IT 962305 B IT962305 B IT 962305B IT 5246172 A IT5246172 A IT 5246172A IT 5246172 A IT5246172 A IT 5246172A IT 962305 B IT962305 B IT 962305B
- Authority
- IT
- Italy
- Prior art keywords
- plastic
- filtration system
- fluid
- relative valve
- valve
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- B29C48/69—Filters or screens for the moulding material
- B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
-
- 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
- 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
- B29C48/05—Filamentary, e.g. strands
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86759—Reciprocating
- Y10T137/86767—Spool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Filtration Of Liquid (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Multiple-Way Valves (AREA)
- Sliding Valves (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17735171 US3833121A (en) | 1971-09-02 | 1971-09-02 | Plastic filtration systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT962305B true IT962305B (it) | 1973-12-20 |
Family
ID=22648269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT5246172A IT962305B (it) | 1971-09-02 | 1972-08-31 | Impianto per la filtrazione per plastica fluida e relativa valvola |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3833121A (it) |
| JP (2) | JPS5216591B2 (it) |
| BE (1) | BE787849A (it) |
| CA (1) | CA966392A (it) |
| DE (2) | DE2264775C3 (it) |
| FR (1) | FR2151080B1 (it) |
| GB (2) | GB1403021A (it) |
| IT (1) | IT962305B (it) |
| NL (1) | NL7211973A (it) |
| ZA (1) | ZA725599B (it) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940222A (en) * | 1973-01-23 | 1976-02-24 | J. Zink Co., Inc. | Filter changing valve unit |
| JPS51108381A (en) * | 1975-03-19 | 1976-09-25 | Toyo Boseki | Seikeiyoryutaino renzokutekirokahoho |
| FR2366384A1 (fr) * | 1976-10-01 | 1978-04-28 | Monsanto Co | Procede et dispositif de filage en continu de polymeres thermoplastiques en fusion |
| US4224958A (en) * | 1977-12-19 | 1980-09-30 | Kaplan Stephen J | Valve device for diverting and combining fluid flows |
| JPS55125241A (en) * | 1979-03-20 | 1980-09-26 | Sumitomo Metal Ind Ltd | Manufacture of sintered ore |
| DE3032690A1 (de) * | 1980-08-29 | 1982-05-06 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und vorrichtung zur kontinuierlichen filterung von fluessigkeiten |
| DE3036400C1 (de) * | 1980-09-26 | 1982-08-19 | Rudolf 7000 Stuttgart Fritsch | Vorrichtung zum Filtern von unter Druck zugefuehrten Fluessigkeiten hoher Viskositaet,insbesondere an eine Strangpresse anschliessbare Vorrichtung zum Filtern von Schmelzen aus thermoplastischen Kunststoffen |
| JPS5999176A (ja) * | 1982-08-11 | 1984-06-07 | Asuka Kogyo Kk | 切換弁 |
| DE3732205C1 (en) * | 1987-09-24 | 1988-09-01 | Claassen Henning J | Filter-changing arrangement |
| US5634953A (en) * | 1995-04-20 | 1997-06-03 | Cincinnati Milacron Inc. | Extruder venting system with vacuum shuttle valve |
| DE19604335C1 (de) * | 1996-02-07 | 1997-04-24 | Roetelmann Gmbh & Co | Vorrichtung zum Filtern von Flüssigkeiten |
| US6277293B1 (en) * | 2000-01-26 | 2001-08-21 | David S. Taylor | Dual filter isolation block |
| WO2002006028A2 (en) * | 2000-07-18 | 2002-01-24 | Hills, Inc. | Filtration system utilizing a single valve to direct fluid streams between filter assemblies and corresponding methods |
| DE102009014029B4 (de) | 2009-03-23 | 2012-10-25 | Kreyenborg Verwaltungen Und Beteiligungen Gmbh & Co. Kg | Umschaltventil für eine Kunststoffschmelze |
| RU2439408C2 (ru) * | 2010-02-05 | 2012-01-10 | Общество с ограниченной ответственностью Научно-производственная фирма "МКТ-АСДМ" (ООО НПФ "МКТ-АСДМ") | Кран дроссельный |
| CN108413079B (zh) * | 2018-05-25 | 2019-07-19 | 江苏天域阀业制造有限公司 | 一种通过错峰结构起到缓冲作用的阀门 |
| CN109139955B (zh) * | 2018-11-06 | 2024-10-15 | 浙江德凌电器有限公司 | 调流泄压阀 |
| CN113230774A (zh) * | 2021-02-01 | 2021-08-10 | 赖妙聪 | 一种改进后的工业废气脱硝工艺 |
| CN121023657B (zh) * | 2025-10-15 | 2026-01-23 | 国科瑰石(山西)科技有限公司 | 氧化铝前驱体溶液的多级梯度过滤喷丝板及过滤控制方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2307585A (en) * | 1939-07-13 | 1943-01-05 | Vickers Inc | Power transmission |
| US2709451A (en) * | 1952-07-26 | 1955-05-31 | Bour Harry E La | Balanced duplex valve head and seat member |
| FR1220057A (fr) * | 1958-12-22 | 1960-05-23 | Rech Etudes Production Sarl | Distributeur de fluide |
| US3025873A (en) * | 1959-05-22 | 1962-03-20 | Gen Controls Co | Gas regulator construction |
| GB904488A (en) * | 1959-06-10 | 1962-08-29 | Nat Res Dev | Hydraulic control valve |
| CH405846A (de) * | 1961-06-01 | 1966-01-15 | Ulvsunda Verkstader Aktiebolag | Mehrwegventil |
| JPS44475Y1 (it) * | 1964-02-28 | 1969-01-10 | ||
| US3396845A (en) * | 1964-06-18 | 1968-08-13 | June S Bouskill | Water conditioning system |
| CH426409A (de) * | 1964-10-09 | 1966-12-15 | Bosch Gmbh Robert | Steuerventil |
| DE1750933C3 (de) * | 1968-06-20 | 1973-10-31 | Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen | Mehrwegeventil mit Mitteln zur reibungsfreien Verstellung des Ventil verschlußteils |
| DE7013745U (de) * | 1970-04-15 | 1970-10-22 | Licentia Gmbh | Zweiwege-ventil. |
-
1971
- 1971-09-02 US US17735171 patent/US3833121A/en not_active Expired - Lifetime
-
1972
- 1972-07-14 GB GB3301672A patent/GB1403021A/en not_active Expired
- 1972-07-14 GB GB4339374A patent/GB1403022A/en not_active Expired
- 1972-08-09 CA CA149,032A patent/CA966392A/en not_active Expired
- 1972-08-14 DE DE2264775A patent/DE2264775C3/de not_active Expired
- 1972-08-14 DE DE2239943A patent/DE2239943C3/de not_active Expired
- 1972-08-15 ZA ZA725599A patent/ZA725599B/xx unknown
- 1972-08-22 BE BE787849A patent/BE787849A/xx not_active IP Right Cessation
- 1972-08-31 JP JP8753072A patent/JPS5216591B2/ja not_active Expired
- 1972-08-31 IT IT5246172A patent/IT962305B/it active
- 1972-09-01 NL NL7211973A patent/NL7211973A/xx not_active Application Discontinuation
- 1972-09-01 FR FR7231087A patent/FR2151080B1/fr not_active Expired
-
1976
- 1976-01-20 JP JP466176A patent/JPS51126527A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51126527A (en) | 1976-11-04 |
| FR2151080B1 (it) | 1976-03-12 |
| AU4461372A (en) | 1974-01-24 |
| DE2264775B2 (de) | 1976-08-05 |
| JPS5216591B2 (it) | 1977-05-10 |
| BE787849A (fr) | 1972-12-18 |
| DE2264775A1 (de) | 1975-03-27 |
| DE2264775C3 (de) | 1981-06-11 |
| DE2239943B2 (de) | 1975-03-13 |
| JPS4834964A (it) | 1973-05-23 |
| CA966392A (en) | 1975-04-22 |
| FR2151080A1 (it) | 1973-04-13 |
| US3833121A (en) | 1974-09-03 |
| NL7211973A (it) | 1973-03-06 |
| GB1403021A (en) | 1975-08-13 |
| GB1403022A (en) | 1975-08-13 |
| JPS5712904B2 (it) | 1982-03-13 |
| ZA725599B (en) | 1973-04-25 |
| DE2239943A1 (de) | 1973-03-22 |
| DE2239943C3 (de) | 1978-03-30 |
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