GB1573714A - Bonded non-woven net structures and articles incorporating such structures - Google Patents
Bonded non-woven net structures and articles incorporating such structures Download PDFInfo
- Publication number
- GB1573714A GB1573714A GB51991/76A GB5199176A GB1573714A GB 1573714 A GB1573714 A GB 1573714A GB 51991/76 A GB51991/76 A GB 51991/76A GB 5199176 A GB5199176 A GB 5199176A GB 1573714 A GB1573714 A GB 1573714A
- Authority
- GB
- United Kingdom
- Prior art keywords
- threads
- cylinder
- weft
- net structure
- thread
- 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
- 239000000463 material Substances 0.000 claims description 48
- 229920001169 thermoplastic Polymers 0.000 claims description 37
- 239000004416 thermosoftening plastic Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000003490 calendering Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/20—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
- B29C70/202—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres arranged in parallel planes or structures of fibres crossing at substantial angles, e.g. cross-moulding compound [XMC]
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
- D04H3/004—Glass yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
- D04H3/045—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles for net manufacturing
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
- D04H3/073—Hollow cylinder shaped
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
- Woven Fabrics (AREA)
- Manufacturing Of Multi-Layer Textile Fabrics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51991/76A GB1573714A (en) | 1976-12-13 | 1976-12-13 | Bonded non-woven net structures and articles incorporating such structures |
| IN417/DEL/77A IN148899B (enExample) | 1976-12-13 | 1977-11-28 | |
| IL53477A IL53477A (en) | 1976-12-13 | 1977-11-28 | Method and apparatus for producing non-woven net structures |
| GR54928A GR60449B (en) | 1976-12-13 | 1977-12-06 | Improvements in or relating to non-woven net structures,articles incorporating such structures and methods and mechanisms for their manufacture |
| US05/858,334 US4172748A (en) | 1976-12-13 | 1977-12-07 | Method of forming non-woven net structures |
| JP14733477A JPS5374177A (en) | 1976-12-13 | 1977-12-09 | Method and apparatus for molding nonnwoven net material |
| NL7713749A NL7713749A (nl) | 1976-12-13 | 1977-12-12 | Niet-geweven netstrukturen. |
| ES464984A ES464984A1 (es) | 1976-12-13 | 1977-12-12 | Metodo para fabricar de manera continua una estructura reti-cular no tejida. |
| BE183365A BE861752A (fr) | 1976-12-13 | 1977-12-12 | Procede et appareil de fabrication de tulle non tisse pour armature |
| DE19772755516 DE2755516A1 (de) | 1976-12-13 | 1977-12-13 | Verfahren und maschine zur kontinuierlichen herstellung einer unverwebten netzstruktur |
| PT67397A PT67397B (fr) | 1976-12-13 | 1977-12-13 | Procede et appareil pour la fabrication continue d'une structure reticulaire non-tissue |
| FR7737535A FR2373627A1 (fr) | 1976-12-13 | 1977-12-13 | Procede et appareil de fabrication de tulle non tisse pour armature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB51991/76A GB1573714A (en) | 1976-12-13 | 1976-12-13 | Bonded non-woven net structures and articles incorporating such structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1573714A true GB1573714A (en) | 1980-08-28 |
Family
ID=10462219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB51991/76A Expired GB1573714A (en) | 1976-12-13 | 1976-12-13 | Bonded non-woven net structures and articles incorporating such structures |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4172748A (enExample) |
| JP (1) | JPS5374177A (enExample) |
| BE (1) | BE861752A (enExample) |
| DE (1) | DE2755516A1 (enExample) |
| ES (1) | ES464984A1 (enExample) |
| FR (1) | FR2373627A1 (enExample) |
| GB (1) | GB1573714A (enExample) |
| GR (1) | GR60449B (enExample) |
| IL (1) | IL53477A (enExample) |
| IN (1) | IN148899B (enExample) |
| NL (1) | NL7713749A (enExample) |
| PT (1) | PT67397B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401493A (en) | 1980-10-16 | 1983-08-30 | W & A Bates Limited | Reinforced structures |
| CN113832614A (zh) * | 2021-05-11 | 2021-12-24 | 中国建筑股份有限公司 | 一种网格生产设备、网格及制作网格的方法 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0016358A1 (de) * | 1979-03-15 | 1980-10-01 | Deutsche Solvay-Werke Gmbh | Verfahren und Vorrichtung zur Herstellung von Textiltapeten oder textilähnlichen Tapeten |
| US4372801A (en) * | 1979-12-14 | 1983-02-08 | Orcon Corporation | Fill strand transfer apparatus for making non woven fabrics |
| US4295905A (en) * | 1979-12-14 | 1981-10-20 | Orcon Corporation | Fill strand transfer process for making non woven fabrics |
| JPS6138669A (ja) * | 1984-07-30 | 1986-02-24 | 三ツ星ベルト株式会社 | ラバ−スクリ−ンの製造方法 |
| JPH0791773B2 (ja) * | 1985-06-08 | 1995-10-04 | 北村 篤識 | ロータリースクリーン印刷用の筒状スクリーン資材の製造法 |
| FR2628033B1 (fr) * | 1988-03-07 | 1990-06-29 | Michelin & Cie | Moyens de retenue de fil pour appareil de fabrication de pneumatiques et ensemble constitue par lesdits moyens de retenue et par des moyens de presentation du fil |
| SE464356B (sv) * | 1988-07-12 | 1991-04-15 | Moelnlycke Ab | Foerfarande och anordning foer att i ett foerutbestaemt moenster anbringa aatminstone en traad, ett band eller liknande ovanfoer en bana |
| IT1241332B (it) * | 1990-12-04 | 1994-01-10 | Firestone Int Dev Spa | Metodo per la realizzazione di un componente armato di una carcassa di pneumatico di veicolo |
| DE19643871A1 (de) * | 1996-10-30 | 1998-05-07 | Kirson Gmbh | Gelege aus Filamentgarn, Verfahren zu seiner Herstellung, Vorrichtung zur Durchführung dieses Verfahrens |
| US6250908B1 (en) | 1999-02-23 | 2001-06-26 | The Lamson & Sessions Co. | Conduit-making apparatus with a variable diameter winding drum |
| US6209607B1 (en) | 1999-02-23 | 2001-04-03 | The Lamson & Sessions Co. | Conduit-making apparatus with a multiple diameter winding drum |
| US6263937B1 (en) | 1999-05-27 | 2001-07-24 | Are Industries, Inc. | Apparatus for making resin-impregnated fiber substrates |
| FR2797892B1 (fr) * | 1999-08-27 | 2002-08-30 | Vetrotex France Sa | Procede et dispositif de fabrication de plaques composites |
| DE10031836B4 (de) * | 2000-06-30 | 2006-11-02 | Liba Maschinenfabrik Gmbh | Verfahren und Vorrichtung zum Vorlegen und Fixieren einer Schar von Filamenten für die Herstellung von Gelegen |
| FR2830790B1 (fr) * | 2001-10-15 | 2006-12-29 | Chomarat Composites | Nouveau produit composite pour la constitution de pieces ou structures allegees et resistantes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3029179A (en) * | 1959-09-10 | 1962-04-10 | West Point Mfg Co | Apparatus for producing non-woven or reinforced fabrics |
| GB1415975A (en) * | 1972-07-02 | 1975-12-03 | Jense W F | Device for manufacturing a non-woven reticulate textile strip |
| FR2209004B1 (enExample) * | 1972-12-01 | 1975-01-03 | Pelletier Jacques | |
| DE2545782C3 (de) * | 1975-10-13 | 1980-08-21 | Volker 8712 Volkach Friedrich | Verfahren und Vorrichtung zur Herstellung eines Diagonalgeleges |
-
1976
- 1976-12-13 GB GB51991/76A patent/GB1573714A/en not_active Expired
-
1977
- 1977-11-28 IN IN417/DEL/77A patent/IN148899B/en unknown
- 1977-11-28 IL IL53477A patent/IL53477A/xx unknown
- 1977-12-06 GR GR54928A patent/GR60449B/el unknown
- 1977-12-07 US US05/858,334 patent/US4172748A/en not_active Expired - Lifetime
- 1977-12-09 JP JP14733477A patent/JPS5374177A/ja active Pending
- 1977-12-12 NL NL7713749A patent/NL7713749A/xx not_active Application Discontinuation
- 1977-12-12 BE BE183365A patent/BE861752A/xx unknown
- 1977-12-12 ES ES464984A patent/ES464984A1/es not_active Expired
- 1977-12-13 PT PT67397A patent/PT67397B/pt unknown
- 1977-12-13 DE DE19772755516 patent/DE2755516A1/de not_active Withdrawn
- 1977-12-13 FR FR7737535A patent/FR2373627A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401493A (en) | 1980-10-16 | 1983-08-30 | W & A Bates Limited | Reinforced structures |
| CN113832614A (zh) * | 2021-05-11 | 2021-12-24 | 中国建筑股份有限公司 | 一种网格生产设备、网格及制作网格的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2373627A1 (fr) | 1978-07-07 |
| FR2373627B3 (enExample) | 1980-09-26 |
| JPS5374177A (en) | 1978-07-01 |
| BE861752A (fr) | 1978-03-31 |
| US4172748A (en) | 1979-10-30 |
| GR60449B (en) | 1978-06-01 |
| IL53477A0 (en) | 1978-01-31 |
| DE2755516A1 (de) | 1978-06-15 |
| PT67397A (fr) | 1978-01-01 |
| NL7713749A (nl) | 1978-06-15 |
| IN148899B (enExample) | 1981-07-18 |
| IL53477A (en) | 1980-12-31 |
| PT67397B (fr) | 1979-05-21 |
| ES464984A1 (es) | 1978-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |