IT1004709B - VALVE UNIT FOR THE CHANGE OF FILTER IN AN EXTRUDER - Google Patents
VALVE UNIT FOR THE CHANGE OF FILTER IN AN EXTRUDERInfo
- Publication number
- IT1004709B IT1004709B IT67084/74A IT6708474A IT1004709B IT 1004709 B IT1004709 B IT 1004709B IT 67084/74 A IT67084/74 A IT 67084/74A IT 6708474 A IT6708474 A IT 6708474A IT 1004709 B IT1004709 B IT 1004709B
- Authority
- IT
- Italy
- Prior art keywords
- extruder
- filter
- change
- valve unit
- valve
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/083—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
- F16K11/0836—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
-
- 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
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- 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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2554—Flow control means, e.g. valves provided in or in the proximity of filter devices
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/14—Means to prevent accidental or unauthorised actuation interlocking two or more valves
-
- 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
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/694—Cylindrical or conical filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32601973A | 1973-01-23 | 1973-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1004709B true IT1004709B (en) | 1976-07-20 |
Family
ID=23270476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67084/74A IT1004709B (en) | 1973-01-23 | 1974-01-11 | VALVE UNIT FOR THE CHANGE OF FILTER IN AN EXTRUDER |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS49109457A (en) |
CA (1) | CA1000589A (en) |
CH (1) | CH568147A5 (en) |
DE (1) | DE2402172C2 (en) |
FR (1) | FR2214845B1 (en) |
GB (1) | GB1455611A (en) |
IT (1) | IT1004709B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4522233A (en) * | 1982-09-29 | 1985-06-11 | Smith & Loveless, Inc. | Multi-position plug valve |
DE19508658A1 (en) * | 1994-03-15 | 1995-10-12 | Wil Man Polymer Filtration Gmb | Control device for fluid sub-streams |
DE19824902A1 (en) * | 1998-06-04 | 1999-12-30 | Dornier Gmbh Lindauer | Melt valve |
DE10238901B3 (en) * | 2002-08-24 | 2004-06-03 | Zentes Unitex Gmbh | Stopcock valve |
DE502006004339D1 (en) * | 2005-11-10 | 2009-09-03 | Soltherm Ag | CONTROL UNIT WITH VALVES |
ES2338402B2 (en) * | 2008-08-20 | 2011-02-10 | Sacopa, S.A.U. | "DEVICE FOR THE CLOSURE AND OPENING OF THE OUTPUT HOLES IN THE FLUID DISTRIBUTING VALVES". |
DE102010037148A1 (en) * | 2010-08-24 | 2012-03-01 | Woco Industrietechnik Gmbh | Multi-way valve and fluid circuit with such |
WO2015173811A1 (en) * | 2014-05-14 | 2015-11-19 | S.P.C. Tech Ltd. | Fluid pipe hub |
AT517062A1 (en) * | 2015-03-09 | 2016-10-15 | Dr Collin Gmbh | Apparatus and method for testing liquids |
EP3308941B1 (en) * | 2016-10-13 | 2021-07-28 | Starlinger & Co. Gesellschaft m.b.H. | Apparatus and process for filtering polymer melts |
CN109780267A (en) * | 2018-12-26 | 2019-05-21 | 佛山市顺德区美的洗涤电器制造有限公司 | A kind of gas valve and gas utensil |
CN113566017B (en) * | 2021-09-26 | 2021-11-26 | 南通国电阀门科技有限公司 | Anti-blocking check valve |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL132958C (en) * | 1945-04-07 | 1900-01-01 | ||
DE1131875B (en) * | 1958-09-23 | 1962-06-20 | Plasticwerk Nordwalde G M B H | Nozzle for processing plastic materials in screw presses or the like. |
US3243849A (en) * | 1964-05-19 | 1966-04-05 | Du Pont | Screen changing |
US3394735A (en) * | 1967-02-27 | 1968-07-30 | Andale Co | Valve member for a duplex strainer |
-
1974
- 1974-01-03 GB GB25974A patent/GB1455611A/en not_active Expired
- 1974-01-11 IT IT67084/74A patent/IT1004709B/en active
- 1974-01-17 CH CH63874A patent/CH568147A5/xx not_active IP Right Cessation
- 1974-01-17 DE DE2402172A patent/DE2402172C2/en not_active Expired
- 1974-01-21 CA CA190,731A patent/CA1000589A/en not_active Expired
- 1974-01-21 JP JP49008641A patent/JPS49109457A/ja active Pending
- 1974-01-23 FR FR7402282A patent/FR2214845B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH568147A5 (en) | 1975-10-31 |
JPS49109457A (en) | 1974-10-17 |
FR2214845A1 (en) | 1974-08-19 |
DE2402172A1 (en) | 1974-07-25 |
GB1455611A (en) | 1976-11-17 |
CA1000589A (en) | 1976-11-30 |
DE2402172C2 (en) | 1984-06-28 |
FR2214845B1 (en) | 1982-10-08 |
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