CH585619A5 - - Google Patents
Info
- Publication number
- CH585619A5 CH585619A5 CH900675A CH900675A CH585619A5 CH 585619 A5 CH585619 A5 CH 585619A5 CH 900675 A CH900675 A CH 900675A CH 900675 A CH900675 A CH 900675A CH 585619 A5 CH585619 A5 CH 585619A5
- Authority
- CH
- Switzerland
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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/06—Rod-shaped
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92123—Diameter or circumference
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92161—Volume or quantity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92428—Calibration, after-treatment, or cooling zone
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92952—Drive section, e.g. gearbox, motor or drive fluids
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2433242A DE2433242A1 (de) | 1974-07-11 | 1974-07-11 | Verfahren zum betrieb einer anlage zur herstellung eines kunststoffprofilstranges und fuer das verfahren ausgeruestete anlage |
Publications (1)
Publication Number | Publication Date |
---|---|
CH585619A5 true CH585619A5 (sv) | 1977-03-15 |
Family
ID=5920241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH900675A CH585619A5 (sv) | 1974-07-11 | 1975-07-10 |
Country Status (15)
Country | Link |
---|---|
US (1) | US3989779A (sv) |
JP (1) | JPS5131763A (sv) |
AT (1) | AT366319B (sv) |
BE (1) | BE831181A (sv) |
BR (1) | BR7504392A (sv) |
CA (1) | CA1059717A (sv) |
CH (1) | CH585619A5 (sv) |
DD (1) | DD119987A5 (sv) |
DE (1) | DE2433242A1 (sv) |
DK (1) | DK312375A (sv) |
FR (1) | FR2277665A1 (sv) |
GB (1) | GB1509056A (sv) |
IT (1) | IT1039743B (sv) |
NL (1) | NL7507970A (sv) |
SE (1) | SE7507883L (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010228A1 (de) * | 1978-10-06 | 1980-04-30 | Wacker-Chemie GmbH | Verfahren zur Herstellung schrumpfarmer Stranghohlprofile |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51134752A (en) * | 1975-05-16 | 1976-11-22 | Sekisui Chemical Co Ltd | Method of extrusion molding resin molded article with different thicknesses |
US4087499A (en) * | 1975-08-07 | 1978-05-02 | The Goodyear Tire & Rubber Company | Method for controlling uniformity in tire tread stock |
US4088721A (en) * | 1976-09-24 | 1978-05-09 | The Goodyear Tire & Rubber Company | Method and apparatus for controlling the thickness of extruded stock |
DE2706927C3 (de) * | 1977-02-18 | 1981-03-19 | Reifenhäuser KG, 5210 Troisdorf | Anlage zur Herstellung von Kunststoffprofilsträngen |
DE2809386C3 (de) * | 1978-03-04 | 1986-03-27 | Dynamit Nobel Ag, 5210 Troisdorf | Vorrichtung zum Kalibrieren und Kühlen von Profilen aus thermoplastischen Kunstststoffen |
JPS5811129A (ja) * | 1981-07-14 | 1983-01-21 | Bridgestone Corp | 制御機構を備えた押出機 |
US4563320A (en) * | 1983-01-20 | 1986-01-07 | Hummor, Inc. | Making thermoplastic items |
IT1163851B (it) * | 1983-07-26 | 1987-04-08 | Milani Resine Spa | Apparecchiatura per la calibratura di profilati estrusi di materia plastica |
DE3541680A1 (de) * | 1985-11-26 | 1987-05-27 | Bernd Becker | Vorrichtung zur steuerung einer anlage fuer die herstellung von strangprofilen |
US4789514A (en) * | 1985-12-09 | 1988-12-06 | Aluminum Company Of America | Methods of producing biaxially oriented polymer sheet |
DE3941120C2 (de) * | 1989-12-13 | 1997-11-20 | Krupp Kunststofftechnik Gmbh | Verfahren und Anordnung zum Regeln der Geschwindigkeit eines Anlagenteils einer Extrusionsanlage |
US6439771B1 (en) * | 2000-03-15 | 2002-08-27 | Webster Industries Division Chelsea Industries, Inc. | Zippered resealable closure |
DE102004039316A1 (de) * | 2004-08-13 | 2006-02-23 | Inoex Gmbh | Verfahren und Vorrichtung zur Herstellung von Kunstoffrohren in einer Extrusionslinie |
DE102006023124A1 (de) * | 2006-05-16 | 2007-11-22 | Blumenbecker Purfürst GmbH | Regelvorrichtung für eine Fertigungsanlage für strangförmige Produkte, insbesondere für eine Extrudieranlage |
DE102006059854B4 (de) * | 2006-12-15 | 2010-04-01 | Technoform Caprano Und Brunnhofer Gmbh & Co. Kg | Armiertes Kunststoffprofil für Fenster-, Türen- und Fassadenelemente |
DE102006061035C5 (de) * | 2006-12-22 | 2014-09-04 | Technoform Bautec Holding Gmbh | Kunststoffprofil für Fenster-, Türen- und Fassadenelemente |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3185924A (en) * | 1959-07-14 | 1965-05-25 | Zellweger Uster Ag | Apparatus utilizing capacitance measuring means for the continuous monitoring of elongate materials during production to permit determination of the devlation of the denier from a desired value |
CH526782A (de) * | 1970-08-29 | 1972-08-15 | Asahi Chemical Ind | Verfahren und Vorrichtung zur Messung von Garnfehlern |
US3904338A (en) * | 1972-01-31 | 1975-09-09 | Industrial Nucleonics Corp | System and method for controlling a machine continuously feeding a sheet to intermittently activated station |
GB1410075A (en) * | 1972-12-07 | 1975-10-15 | British Insulated Callenders | Observation method and equipment |
-
1974
- 1974-07-11 DE DE2433242A patent/DE2433242A1/de active Pending
-
1975
- 1975-07-03 NL NL7507970A patent/NL7507970A/xx not_active Application Discontinuation
- 1975-07-08 IT IT7525175A patent/IT1039743B/it active
- 1975-07-09 DD DD187196A patent/DD119987A5/xx unknown
- 1975-07-09 AT AT0530375A patent/AT366319B/de not_active IP Right Cessation
- 1975-07-09 JP JP50083611A patent/JPS5131763A/ja active Pending
- 1975-07-09 SE SE7507883A patent/SE7507883L/sv unknown
- 1975-07-10 BR BR7504392*A patent/BR7504392A/pt unknown
- 1975-07-10 BE BE2054451A patent/BE831181A/xx unknown
- 1975-07-10 US US05/594,755 patent/US3989779A/en not_active Expired - Lifetime
- 1975-07-10 FR FR7521721A patent/FR2277665A1/fr active Granted
- 1975-07-10 DK DK312375A patent/DK312375A/da not_active Application Discontinuation
- 1975-07-10 CA CA231,218A patent/CA1059717A/en not_active Expired
- 1975-07-10 CH CH900675A patent/CH585619A5/xx not_active IP Right Cessation
- 1975-07-11 GB GB29293/75A patent/GB1509056A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010228A1 (de) * | 1978-10-06 | 1980-04-30 | Wacker-Chemie GmbH | Verfahren zur Herstellung schrumpfarmer Stranghohlprofile |
Also Published As
Publication number | Publication date |
---|---|
IT1039743B (it) | 1979-12-10 |
DE2433242A1 (de) | 1976-01-29 |
ATA530375A (de) | 1981-08-15 |
GB1509056A (en) | 1978-04-26 |
FR2277665A1 (fr) | 1976-02-06 |
DK312375A (da) | 1976-01-12 |
DD119987A5 (sv) | 1976-05-20 |
BE831181A (fr) | 1975-11-03 |
AT366319B (de) | 1982-04-13 |
BR7504392A (pt) | 1976-07-06 |
US3989779A (en) | 1976-11-02 |
FR2277665B1 (sv) | 1977-12-16 |
CA1059717A (en) | 1979-08-07 |
SE7507883L (sv) | 1976-01-12 |
NL7507970A (nl) | 1976-01-13 |
JPS5131763A (sv) | 1976-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |