AT364206B - Rohr aus thermoplastischem material - Google Patents
Rohr aus thermoplastischem materialInfo
- Publication number
- AT364206B AT364206B AT0244978A AT244978A AT364206B AT 364206 B AT364206 B AT 364206B AT 0244978 A AT0244978 A AT 0244978A AT 244978 A AT244978 A AT 244978A AT 364206 B AT364206 B AT 364206B
- Authority
- AT
- Austria
- Prior art keywords
- thermoplastic material
- tube made
- tube
- thermoplastic
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
-
- 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
- B29C48/03—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
- B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-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
- B29C48/03—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
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- B29C48/902—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 internally
-
- 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
- B29C48/90—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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/91—Heating, e.g. for cross linking
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2024/00—Articles with hollow walls
- B29L2024/006—Articles with hollow walls multi-channelled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Tubes (AREA)
- Materials For Medical Uses (AREA)
- Tyre Moulding (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7703820,A NL176804C (nl) | 1977-04-06 | 1977-04-06 | Kunststofbuis met langskanalen in zijn wand, alsmede werkwijze voor het vervaardigen van een dergelijke kunststofbuis. |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA244978A ATA244978A (de) | 1981-02-15 |
AT364206B true AT364206B (de) | 1981-10-12 |
Family
ID=19828317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0244978A AT364206B (de) | 1977-04-06 | 1978-04-06 | Rohr aus thermoplastischem material |
Country Status (21)
Country | Link |
---|---|
US (2) | US4305899A (de) |
JP (1) | JPS5415524A (de) |
AT (1) | AT364206B (de) |
BE (1) | BE865742A (de) |
BR (1) | BR7802169A (de) |
CH (1) | CH624458A5 (de) |
DE (2) | DE2814595C2 (de) |
DK (1) | DK151858C (de) |
ES (1) | ES469372A1 (de) |
FI (1) | FI67193C (de) |
FR (1) | FR2386761A1 (de) |
GB (1) | GB1599845A (de) |
IE (1) | IE46521B1 (de) |
IN (1) | IN153728B (de) |
IT (1) | IT1102562B (de) |
MX (1) | MX147106A (de) |
NL (1) | NL176804C (de) |
NO (2) | NO153272C (de) |
SE (2) | SE430316B (de) |
SU (1) | SU1052171A3 (de) |
YU (2) | YU80978A (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL175753C (nl) * | 1977-11-18 | 1984-12-17 | Wavin Bv | Bronbuis. |
DE3317661C2 (de) * | 1983-05-14 | 1986-06-26 | Stettner & Co, 8560 Lauf | Kaminrohr |
FR2596692B1 (fr) * | 1986-04-04 | 1988-09-09 | Atochem | Tubes en matiere plastique semi-cristalline extrudes presentant une resistance au choc a froid et a la traction amelioree par un traitement thermique et leur procede de fabrication |
US5252157A (en) * | 1989-05-01 | 1993-10-12 | Central Plastics Company | Electrothermal fusion of large diameter pipes by electric heating wire wrapping and sleeve connector |
US5514069A (en) * | 1993-12-22 | 1996-05-07 | Baxter International Inc. | Stress-bearing umbilicus for a compact centrifuge |
US5661263A (en) * | 1995-05-10 | 1997-08-26 | Phaeton, Llc | Surface raceway and method |
US5989177A (en) * | 1997-04-11 | 1999-11-23 | Baxter International Inc. | Umbilicus gimbal with bearing retainer |
US6344020B1 (en) | 1997-04-11 | 2002-02-05 | Baxter International Inc. | Bearing and umbilicus gimbal with bearing retainer in blood processing system |
WO2001086182A2 (en) | 2000-05-10 | 2001-11-15 | Stephen Paletta | Multi-purpose rehabilitation of conduits |
US6311730B2 (en) | 2000-10-05 | 2001-11-06 | G. Gregory Penza | Communications conduit installation method and conduit-containing product suitable for use therein |
US6748982B2 (en) | 2001-11-13 | 2004-06-15 | Tokheim Holding B.V. | Integrated fuel delivery and vapor recovery system for a fuel dispenser |
US7479123B2 (en) | 2002-03-04 | 2009-01-20 | Therakos, Inc. | Method for collecting a desired blood component and performing a photopheresis treatment |
US7211037B2 (en) * | 2002-03-04 | 2007-05-01 | Therakos, Inc. | Apparatus for the continuous separation of biological fluids into components and method of using same |
JP4171280B2 (ja) * | 2002-03-06 | 2008-10-22 | 積水化学工業株式会社 | 硬質塩化ビニル系樹脂管 |
NL1021124C2 (nl) * | 2002-03-28 | 2003-09-30 | Nefit Buderus B V | Warmtewisselaar, verbrandingsinrichting omvattende een warmtewisselaar, afsluitelement voor gebruik in een dergelijke warmtewisselaar en werkwijze voor het vervaardigen van een warmtewisselaar. |
US20050049539A1 (en) * | 2003-09-03 | 2005-03-03 | O'hara Gerald P. | Control system for driving fluids through an extracorporeal blood circuit |
GB2408961A (en) * | 2003-12-12 | 2005-06-15 | Univ Cambridge Tech | Apparatus and method |
US7476209B2 (en) * | 2004-12-21 | 2009-01-13 | Therakos, Inc. | Method and apparatus for collecting a blood component and performing a photopheresis treatment |
GB0620246D0 (en) * | 2006-10-12 | 2006-11-22 | Univ Cambridge Tech | Extruded materials having capillary channels |
US8277369B2 (en) | 2010-06-15 | 2012-10-02 | Fenwal, Inc. | Bearing and bearing assembly for umbilicus of a fluid processing system |
US8257239B2 (en) | 2010-06-15 | 2012-09-04 | Fenwal, Inc. | Umbilicus for use in an umbilicus-driven fluid processing |
US9383044B2 (en) | 2013-02-15 | 2016-07-05 | Fenwal, Inc. | Low cost umbilicus without overmolding |
US10596943B2 (en) * | 2016-08-24 | 2020-03-24 | Amatrimara Inc. | Stanchion padding |
CN114434773A (zh) * | 2022-01-06 | 2022-05-06 | 内蒙古师范大学 | 一种大口径有机玻璃棒的制备*** |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2373093A (en) * | 1943-04-22 | 1945-04-10 | Bell Telephone Labor Inc | Process for inhibiting cracking of polymeric bodies |
US2990580A (en) * | 1956-06-04 | 1961-07-04 | Du Pont | Process for improving bursting strength of polyethylene pipe |
BE597653A (de) * | 1960-03-08 | 1900-01-01 | ||
US3110754A (en) * | 1960-05-11 | 1963-11-12 | William W Witort | Conduit system and components therefor |
CH395523A (de) * | 1962-10-18 | 1965-07-15 | Rollmaplast Ag | Verfahren zum Abbauen von Herstellungsspannungen in aussenkalibrierten Kunststoffrohren |
US3274315A (en) * | 1963-02-25 | 1966-09-20 | Tokan Kogyo Co Ltd | Process for unitized construction of synthetic resin board or cylinder |
NL298140A (de) * | 1963-09-19 | 1900-01-01 | ||
DE1277550B (de) * | 1965-04-15 | 1968-09-12 | Schneider & Co | Vorrichtung zum Herstellen von Koerpern aus Kunststoff mit zueinander parallelen, in Richtung des aus der Vorrichtung austretenden Materials verlaufenden durchgehenden Kanaelen |
US3372920A (en) * | 1965-07-12 | 1968-03-12 | Nat Distillers Chem Corp | Method for producing thermoplastic sheet material |
NL6510582A (de) * | 1965-08-13 | 1967-02-14 | ||
US3507939A (en) * | 1966-12-12 | 1970-04-21 | Phillips Petroleum Co | Plastic extrusion |
BE722009A (de) * | 1967-10-13 | 1969-03-14 | ||
DE1775674A1 (de) * | 1968-09-09 | 1970-12-17 | Franz Baumgartner | Kunststoffrohre aus Thermoplastkunststoffen mit Hohlkoerperrohrwand fuer grosse Nennweiten fuer Druckrohre und drucklose Rohre mit und ohne Bewehrungseinlagen |
US3668288A (en) * | 1968-11-18 | 1972-06-06 | Keiichi Takahashi | Method for making thermoplastic synthetic resin hollow structure articles |
DE1914255A1 (de) * | 1969-03-20 | 1970-10-01 | Buerkle Kg Kehlleistenfabrik | Vorrichtung zur Verhinderung des Austritts des Stuetzmediums bei der kontinuierlichen Herstellung von Hohlprofilen aus Kunststoff |
JPS4889971A (de) * | 1972-02-29 | 1973-11-24 | ||
DE2324133A1 (de) * | 1973-05-12 | 1974-11-28 | Hoechst Ag | Aussenkalibrieren von extrudierten hohlprofilen aus thermoplastischem kunststoff |
US3907961A (en) * | 1974-01-28 | 1975-09-23 | Phillips Petroleum Co | Flexible cylinder for cooling an extruded pipe |
US3941157A (en) * | 1974-07-24 | 1976-03-02 | Barnett Louis H | High strength multiple passageway plastic conduit |
JPS5117261A (en) * | 1974-08-01 | 1976-02-12 | Kubota Ltd | Enkabinirupaipuno naimensenjooshidashiseikeihoho |
JPS5117260A (en) * | 1974-08-01 | 1976-02-12 | Kubota Ltd | Enkabinirupaipuno naimenmudokukaoshidashiseikeihoho |
JPS523215B2 (de) * | 1974-09-27 | 1977-01-26 | ||
JPS5144772U (de) * | 1974-09-28 | 1976-04-02 | ||
NL7500386A (nl) * | 1975-01-13 | 1976-07-15 | Wavin Bv | Werkwijze en inrichting voor het vervaardigen van een kunststofbuis met langwerpige kanalen in de wand. |
JPS51111872A (en) * | 1975-03-28 | 1976-10-02 | Kubota Ltd | Method of extruding long plastic tubu to produce tubu with connecting socket protion |
JPS51137462U (de) * | 1975-04-30 | 1976-11-06 |
-
1977
- 1977-04-06 NL NLAANVRAGE7703820,A patent/NL176804C/xx not_active IP Right Cessation
-
1978
- 1978-04-04 FI FI781032A patent/FI67193C/fi not_active IP Right Cessation
- 1978-04-04 GB GB13184/78A patent/GB1599845A/en not_active Expired
- 1978-04-04 NO NO781175A patent/NO153272C/no unknown
- 1978-04-05 IE IE670/78A patent/IE46521B1/en unknown
- 1978-04-05 MX MX173017A patent/MX147106A/es unknown
- 1978-04-05 DE DE2814595A patent/DE2814595C2/de not_active Expired
- 1978-04-05 FR FR7810076A patent/FR2386761A1/fr active Granted
- 1978-04-05 IT IT48751/78A patent/IT1102562B/it active
- 1978-04-05 SE SE7803862A patent/SE430316B/sv not_active IP Right Cessation
- 1978-04-05 DE DE19782858267 patent/DE2858267A1/de active Pending
- 1978-04-05 ES ES469372A patent/ES469372A1/es not_active Expired
- 1978-04-05 YU YU00809/78A patent/YU80978A/xx unknown
- 1978-04-06 CH CH368378A patent/CH624458A5/it not_active IP Right Cessation
- 1978-04-06 JP JP4079578A patent/JPS5415524A/ja active Granted
- 1978-04-06 BE BE186604A patent/BE865742A/xx not_active IP Right Cessation
- 1978-04-06 DK DK153778A patent/DK151858C/da not_active IP Right Cessation
- 1978-04-06 AT AT0244978A patent/AT364206B/de not_active IP Right Cessation
- 1978-04-06 SU SU782602654A patent/SU1052171A3/ru active
- 1978-04-06 BR BR7802169A patent/BR7802169A/pt unknown
-
1980
- 1980-05-09 US US06/148,364 patent/US4305899A/en not_active Expired - Lifetime
- 1980-11-20 IN IN1296/CAL/80A patent/IN153728B/en unknown
-
1982
- 1982-12-20 US US06/451,172 patent/US4440195A/en not_active Expired - Lifetime
-
1983
- 1983-06-06 SE SE8303187A patent/SE457904B/sv not_active IP Right Cessation
- 1983-06-15 YU YU01322/83A patent/YU132283A/xx unknown
-
1985
- 1985-05-29 NO NO852127A patent/NO852127L/no unknown
Also Published As
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |