ES8505580A1 - Un recipiente cerrado para liquidos y su metodo de fabricacion. - Google Patents
Un recipiente cerrado para liquidos y su metodo de fabricacion.Info
- Publication number
- ES8505580A1 ES8505580A1 ES525847A ES525847A ES8505580A1 ES 8505580 A1 ES8505580 A1 ES 8505580A1 ES 525847 A ES525847 A ES 525847A ES 525847 A ES525847 A ES 525847A ES 8505580 A1 ES8505580 A1 ES 8505580A1
- Authority
- ES
- Spain
- Prior art keywords
- support member
- tubular member
- tubular
- fixture
- fabrication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/085—Fluid mattresses or cushions of liquid type, e.g. filled with water or gel
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/10—Fluid mattresses or cushions with two or more independently-fillable chambers
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
- B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
- B29C66/24223—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being oval
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
- B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/63—Internally supporting the article during joining
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- 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
- B29L2022/00—Hollow articles
- B29L2022/02—Inflatable articles
- B29L2022/025—Bladders
-
- 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
- B29L2031/751—Mattresses, cushions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Treatment Of Fiber Materials (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Thermally Insulated Containers For Foods (AREA)
- Closing Of Containers (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Building Environments (AREA)
- Vibration Prevention Devices (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Cosmetics (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Prostheses (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
PERFECCIONAMIENTOS EN UN RECIPIENTE CERRADO PARA LIQUIDOS.CONSISTENTES EN DOTAR AL RECIPIENTE DE PIEZAS DE EXTREMO (52, 80) ASEGURADAS AL ELEMENTO TUBULAR (30) FLEXIBLE, ALARGADO Y CILINDRICO EN RELACION DE CIERRE HERMETICO; DOTAR A UNA DE LAS PIEZAS (80) DE UNA ABERTURA DE LLENADO (82) Y UN CIERRE SOLTABLE PARA LA MISMA; CONSTRUIR AL ELEMENTO ALARGADO Y A LAS PIEZAS EXTREMO DE UN MATERIAL PLASTICO PLEGABLE COMO CLORURO DE POLIVINILO Y ASEGURAR A LAS PIEZAS DE EXTREMO MEDIANTE FUSION DE LAS SUPERFICIES PLASTICASENTRE SI.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/426,956 US4619007A (en) | 1982-09-29 | 1982-09-29 | Cellular waterbed component and method of manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8505580A1 true ES8505580A1 (es) | 1985-06-01 |
ES525847A0 ES525847A0 (es) | 1985-06-01 |
Family
ID=23692882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES525847A Granted ES525847A0 (es) | 1982-09-29 | 1983-09-22 | Un recipiente cerrado para liquidos y su metodo de fabricacion. |
Country Status (22)
Country | Link |
---|---|
US (2) | US4619007A (es) |
EP (1) | EP0104808B1 (es) |
JP (1) | JPS5985611A (es) |
AT (1) | ATE39211T1 (es) |
AU (1) | AU564041B2 (es) |
BR (1) | BR8304888A (es) |
CA (1) | CA1208375A (es) |
DE (1) | DE3378674D1 (es) |
DK (1) | DK159900C (es) |
ES (1) | ES525847A0 (es) |
FI (1) | FI79017C (es) |
GB (1) | GB2127684B (es) |
GR (1) | GR81272B (es) |
HK (1) | HK54187A (es) |
IE (1) | IE54457B1 (es) |
IL (1) | IL69834A (es) |
MX (1) | MX160117A (es) |
NO (1) | NO162644C (es) |
NZ (1) | NZ205796A (es) |
PT (1) | PT77411B (es) |
SG (1) | SG27487G (es) |
ZA (1) | ZA836516B (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS631451U (es) * | 1986-06-23 | 1988-01-07 | ||
JPS63128849U (es) * | 1987-02-14 | 1988-08-23 | ||
JPS6419358U (es) * | 1987-02-23 | 1989-01-31 | ||
US4912789A (en) * | 1989-02-06 | 1990-04-03 | Hi Life Products, Inc. | Waterbed mattress |
US5062170A (en) * | 1990-03-06 | 1991-11-05 | Strata Flotation, Inc. | Waterbed mattress and corner structure with tethered insert |
JPH0523236A (ja) * | 1990-12-28 | 1993-02-02 | Azu Internatl:Kk | ウオータベツドおよびウオータベツド用ウオータバツグ |
US6049813A (en) * | 1993-02-26 | 2000-04-11 | Intermec Ip Corp. | Portable work station-type data collection system |
US20050273938A1 (en) * | 2004-06-09 | 2005-12-15 | The Coleman Company, Inc. | Airbed utilizing extruded coils |
US7337485B2 (en) * | 2005-08-31 | 2008-03-04 | The Coleman Company, Inc. | Double high airbed utilizing coils |
Family Cites Families (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US95848A (en) * | 1869-10-12 | Improved bed and cushion-spring | ||
US184487A (en) * | 1876-11-21 | Improvement in air and water beds | ||
US779576A (en) * | 1903-09-11 | 1905-01-10 | Benjamin F Berryman | Mattress. |
US1423416A (en) * | 1921-10-15 | 1922-07-18 | Arthur E Gomes | Mattress |
US1578787A (en) * | 1925-02-09 | 1926-03-30 | Dunlop Tire & Rubber Goods Co | Process of forming battery jars and the like |
US1733034A (en) * | 1928-10-08 | 1929-10-22 | Tufenkjian Philip | Mattress |
US2345421A (en) * | 1941-05-03 | 1944-03-28 | Airtress Corp | Pneumatic mattress |
US2584095A (en) * | 1946-06-13 | 1952-01-29 | Extruded Plastics Inc | Tubular container |
US2529637A (en) * | 1948-05-12 | 1950-11-14 | William J Sonnett | Form for making inflatable game ball carcasses |
US2627302A (en) * | 1948-09-16 | 1953-02-03 | Albert E Forsyth | Pneumatic seat cushion |
GB741991A (en) * | 1952-06-11 | 1955-12-14 | Communications Patents Ltd | Improvements in and relating to tubular structures formed from a thermoplastic |
US2751319A (en) * | 1952-08-12 | 1956-06-19 | Visking Corp | Method of making drum liners |
GB763254A (en) * | 1953-11-25 | 1956-12-12 | Ici Ltd | Improvements in apparatus for the production of bags or liners of thermoplastic material |
US2823394A (en) * | 1955-07-08 | 1958-02-18 | Aubrey L Smith | Combination pneumatic and padded mattress |
NL275682A (es) * | 1961-03-08 | 1900-01-01 | ||
DE1284619B (de) * | 1961-11-16 | 1968-12-05 | Kalle Ag | Verfahren und Vorrichtung zum Verschliessen von Dosen aus verschweissbaren einschichtigen Kunststoffolien oder Folien mit verschweissbarer Kunststoff-Oberflaechenkaschierung |
US3166995A (en) * | 1963-04-16 | 1965-01-26 | Afsanick Julius | Container fabrication |
DK121398B (da) * | 1965-04-06 | 1971-10-11 | Nordisk Droge & Kemikalieforre | Pude, pølle eller lignende støttelegeme bestående af et blødt hylster med fyldning af løse, ikke vandsugende, små, faste formstofpartikler med afrundet kontur. |
DE1694550B2 (de) * | 1967-12-04 | 1979-06-07 | Hoechst Ag, 6000 Frankfurt | Stabilisierung linearer Polyester oder Copolyester gegen Wärmeabbau |
US3558397A (en) * | 1968-02-15 | 1971-01-26 | Plastronics Inc | Method of making a tube-to-bag connection |
US3564628A (en) * | 1968-06-06 | 1971-02-23 | John A Oxford | Laminated mattress with sealed foundation units |
US3741849A (en) * | 1971-02-08 | 1973-06-26 | Angelica Corp | Method of joining tubes to manifold |
US3736604A (en) * | 1971-03-01 | 1973-06-05 | Carson Manuf Co | Fluid filled mattress |
SE368502B (es) * | 1971-04-08 | 1974-07-08 | J Dranger | |
US3825172A (en) * | 1971-08-09 | 1974-07-23 | C Mollura | Tubular flexible bag with lap welded ends |
US3753819A (en) * | 1971-08-09 | 1973-08-21 | C Mollura | Method of making tubular flexible bag with lap welded ends |
US3702484A (en) * | 1971-11-18 | 1972-11-14 | Aqua Therm Prod Corp | Light-weight, minimum-volume water pad |
US3753823A (en) * | 1972-03-02 | 1973-08-21 | Kuss & Co R L | Method of manufacturing a water mattress |
US3867731A (en) * | 1972-06-12 | 1975-02-25 | Earl J Isaac | Liquid supporting furniture |
US3914811A (en) * | 1972-07-31 | 1975-10-28 | Jonathan Francis | Lightweight, compact air mattress with improved casing and inflatable members |
US4038712A (en) * | 1975-04-21 | 1977-08-02 | Craig Salvatore Miller | Mattress construction |
US3999539A (en) * | 1975-12-10 | 1976-12-28 | Meador Robert L | Water filled orthopedic chair |
US4015299A (en) * | 1976-02-09 | 1977-04-05 | Robert Tinnel | Water bed |
US4067078A (en) * | 1976-06-10 | 1978-01-10 | Winston Emanuel A | Adjustable back supporter |
GB1585662A (en) * | 1976-07-06 | 1981-03-11 | Beaufort Air Sea Equipment Ltd | Bed mattresses |
US4172301A (en) * | 1977-12-30 | 1979-10-30 | Carlos A. Mollura | Fluid filled beds and the like |
US4221013A (en) * | 1978-03-27 | 1980-09-09 | Echevarria Angel M | Fluid flotation sleep system |
US4168555A (en) * | 1978-04-06 | 1979-09-25 | Kuss Corporation | Water mattress with dampening construction |
US4321719A (en) * | 1978-04-07 | 1982-03-30 | Mollura Carlos A | Water mattress with damper bladders |
US4167432A (en) * | 1978-04-07 | 1979-09-11 | Mollura Carlos A | Process of making a water bed mattress |
US4229929A (en) * | 1978-06-05 | 1980-10-28 | Leslie Vajtay | Thermoplastic container |
US4187567A (en) * | 1978-08-04 | 1980-02-12 | Crowther Curt P | Waterbed |
US4337104A (en) * | 1978-10-10 | 1982-06-29 | Becton, Dickinson And Company | Method for manufacturing a roller bottle |
US4201306A (en) * | 1978-10-27 | 1980-05-06 | Greif Bros. Corporation | Variable capacity all-plastic drum |
US4218274A (en) * | 1979-04-05 | 1980-08-19 | Mollura Carlos A | Method of constructing a baffled waterbed mattress |
US4245364A (en) * | 1979-06-28 | 1981-01-20 | Calleance David P | Waterbed safety liner |
US4281425A (en) * | 1979-08-06 | 1981-08-04 | Jacobs Annella E | Neonatal flotation pad |
US4297755A (en) * | 1980-02-15 | 1981-11-03 | Mollura Carlos A | Non-planar waterbed |
US4346489A (en) * | 1980-06-03 | 1982-08-31 | Mcmullan James P | Foldable waterbed |
US4389742A (en) * | 1981-01-02 | 1983-06-28 | Dewitt Nick R | Pressure controlled air/water cushion |
JPS57186568U (es) * | 1981-05-25 | 1982-11-26 |
-
1982
- 1982-09-29 US US06/426,956 patent/US4619007A/en not_active Expired - Lifetime
-
1983
- 1983-08-29 IE IE2020/83A patent/IE54457B1/en not_active IP Right Cessation
- 1983-09-02 ZA ZA836516A patent/ZA836516B/xx unknown
- 1983-09-05 EP EP83305135A patent/EP0104808B1/en not_active Expired
- 1983-09-05 AT AT83305135T patent/ATE39211T1/de not_active IP Right Cessation
- 1983-09-05 DE DE8383305135T patent/DE3378674D1/de not_active Expired
- 1983-09-05 GB GB08323758A patent/GB2127684B/en not_active Expired
- 1983-09-08 BR BR8304888A patent/BR8304888A/pt not_active IP Right Cessation
- 1983-09-08 CA CA000436251A patent/CA1208375A/en not_active Expired
- 1983-09-20 AU AU19292/83A patent/AU564041B2/en not_active Ceased
- 1983-09-22 ES ES525847A patent/ES525847A0/es active Granted
- 1983-09-27 IL IL69834A patent/IL69834A/xx not_active IP Right Cessation
- 1983-09-27 NO NO833473A patent/NO162644C/no unknown
- 1983-09-27 FI FI833475A patent/FI79017C/fi not_active IP Right Cessation
- 1983-09-28 JP JP58180060A patent/JPS5985611A/ja active Granted
- 1983-09-28 PT PT77411A patent/PT77411B/pt not_active IP Right Cessation
- 1983-09-28 NZ NZ205796A patent/NZ205796A/en unknown
- 1983-09-28 DK DK444583A patent/DK159900C/da not_active IP Right Cessation
- 1983-09-29 MX MX198932A patent/MX160117A/es unknown
- 1983-09-29 GR GR72584A patent/GR81272B/el unknown
-
1986
- 1986-03-31 US US06/846,221 patent/US4858263A/en not_active Expired - Lifetime
-
1987
- 1987-03-18 SG SG274/87A patent/SG27487G/en unknown
- 1987-07-23 HK HK541/87A patent/HK54187A/xx unknown
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19990501 |