HK99288A - Resilient plastic web exhibiting fiber-like properties and method for its manufacture - Google Patents
Resilient plastic web exhibiting fiber-like properties and method for its manufactureInfo
- Publication number
- HK99288A HK99288A HK992/88A HK99288A HK99288A HK 99288 A HK99288 A HK 99288A HK 992/88 A HK992/88 A HK 992/88A HK 99288 A HK99288 A HK 99288A HK 99288 A HK99288 A HK 99288A
- Authority
- HK
- Hong Kong
- Prior art keywords
- film
- web
- dimensional
- laminate
- another
- Prior art date
Links
Classifications
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- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/06—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using vacuum drums
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- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15731—Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Mechanical Engineering (AREA)
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- Laminated Bodies (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Nonwoven Fabrics (AREA)
- Materials For Medical Uses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
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Claims (26)
1. Une bande élastique à trois dimensions (30), possédant une première, et une deuxième surfaces (34, 35) et constituée d'une matériau plastique imperméable aux fluides, caractérisée en ce que la dite première surface (34) de la bande présente un aspect et une impression tactile fibreaux et possède une multitude d'ouvertures (31) aménagées dans elle, chacune de ces ouvertures (31) étant définie par une multitude d'éléments fibreux qui se coupent (701, 702, 703, 704) reliés les uns aux autres dans le plan (34a) de la première surface (34), chacun de ces éléments fibreux présentant en outre, en conséquence de sa formation, une section transversale, sur toute sa longueur, ayant la forme d'un U sensiblement uniforme, cette section transversale comprenant une partie de base (701 a, 702a, 703a, 704a) dans ledit plan de ladite première surface, et une partie de paroi latérale, jointe (701b, 702b, 703b, 704b) à chaque arête de ladite partie de base, les parties de paroi latérale s'étendant généralement dans la direction de la deuxième surface (35) de la bande, et les parties de paroi latérale des fibres qui se coupent étant reliées les unes aux autres entre la première et la deuxième surfaces de la bande, formant ainsi une microstructure tridimensionnelle.
2. Une bande élastique tridimensionnelle selon la revendication 1, dans laquele la deuxième surface 35 de ia bande 30 contient une multitude d'ouvertures.
3. Une bande élastique tridimensionnelle selon la revendication 2, dans laquelle les parties de paroi latérales reliées les unes aux autres forment un réseau capillaire discret reliant chacune des ouvertures formées par la multitude d'éléments fibreux qui se coupent les uns les autres dans la première surface de la bande à une ouverture correspondante définie par les parties de paroi latérale reliées les unes aux autres de la duxième surface de la bande.
4. Une bande élastique tridimensionnelle selon la revendication 3, dans laquelle les réseaux capillaires ont une section transversale non-uniforme sur leur longueur.
5. Une bande élastique selon là revendication 4, caractérisée en ce que les réseaux capillaires reliant l'une à l'autre la première et la deuxième surfaces de la bande ont une taille décroissante dans la direction de la deuxième surface, favorisant ainsi le transport des fluides entre la première surface et la deuxième surface et inhibant l'écoulement de ce fluide dans la direction inverse.
6. Une bande élastique selon la revendication 5, caractérisé en ce qu'au moins une partie des réseaux capillaires prenant naissance dans le plan de la première surface sont subdivisées de façon à former une multitude d'ouvertures dans le plan de la deuxième surface, créant ainsi un gradiant décroissant de tailles de capillaires dans la direction du plan de la deuxième surface.
7. Une bande élastique selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'au moins la première surface de la bande présente un dessin, à très fine échelle, de rides et de valées pour minimiser le brillant.
8. Une bande élastique selon l'une quelconque des revendications 1 à 7, dans laquelle le matériau plastique imperméable aux fluides comprend un film thermoplastique.
. 9. Un bandage absorbant, caractérisé en ce qu'il comprend un élément absorbant destiné à absorber les fluides corporels en combinaison avec une bande élastique selon l'une quelconque des revendications 1 à 8.
10. Un bandage absorbant selon la revendication 9, caractérisé en ce que la bande élastique forme une feuille endroit en contact avec le porteur.
11. Un bandage absorbant selon l'une quelconque des revendications 9 ou 10, caractérisée en ce que la bande élastique forme une feuille envers pouvant respirer.
12. Un bandage absorbant selon l'une quelconque des revendications 9 à 11, sous la forme d'une couche à jeter.
13. Un bandage absorbant selon l'une quelconque des revendications 9 à 11, sous la forme d'une garniture périodique à jeter.
14. Un procédé pour creuser en continu un ruban courant en un film thermoplastique essentiellement plan, pour former une bande élastique selon l'une quelconque des revendications 1 à 13, ayant un aspect et une impression tactile fibreux tridimensionnels, caractérisé en ce que ce procédé comprend les étapes consistant:
a) à mettre en continu le film en relation de contact avec une surface de forme tubulaire, perforée, formant un straitifié, présentant une microstructure tridimensionnelle comprenant un ensemble réticulé réglé de réseaux capillaires de section transversale non-uniform sur toute leur longueur, trouvant leur origine dans la surface en contact avec le film, et s'étendant en continu de cette surface jusqu'à sa surface qui n'est pas en contact avec le film;
b) à chauffer une partie de ce film en contact avec ladite surface de formage au-delà de sa température de thermoplasticité;
c) à appliquer une pression différentielle pneumatique suffisamment élevée au film thermoplastique chauffé pour creuser le film dans l'image de la surface perforée formant un stratifié; et
d) à refroidir le film creusé en-dessous de sa température de thermoplasticité avant d'enlever de film de la surface formante.
15. Le procédé de la revendication 14, dans lequel la pression différentielle pneumatique appliquée au film thermoplastique chauffé est suffisante pour que le film soit creusé et perforé dans l'image de la surface perforée formant le straitifié.
16. Le procédé de l'une quelconque des revendications 14 ou 15, dans lequel la surface perforée de forme tubulaire et formant un stratifié est préchauffée avant de mettre le film en relation de contact avec elle, pour faciliter une meilleur conformité du film à la surface formante.
17. Le procédé de l'une quelconque des revendications 15 ou 16, caractérisé en ce qu'il comprend les étapes consistant à créer et à maintenir un contrôle sur le film en créant et maintenant une tension constante à l'intérieur de ce dernier; à isoler une partie du film de la tension constante pendant qu'il est en relation de contact avec la surface formante; et à refroidir le film creusé en-dessous sa température de thermoplasticité avant de soumettre ce film à une tension dirigée vers le bas.
18. Un procédé de creusement continu d'un rubant courant d'un film plastique essentiellement plan pour conférer un aspect et une impression tactile fibreux et à trois dimensions, de façon à former ainsi une bande selon l'une quelconque des revendications 1 à 13, procédé caractérise en ce qu'il comprend les étapes consistant à mettre en continu le film en relation de contact avec une surface de forme tubulaire et formant un stratifié présentant une structure tridimensionnelle comprenant un ensemble rèti- cule régulé de zones creusées de section transversale non uniforme sur toute leur longueur, ces zones creusées prenant naissance dans la surface en contact avec le film, et s'étendant en continu à partir de cette surface en contact avec le film de la surface de forme tubulaire et formant un stratifié, pour aller vers sa surface qui n'est pas en contact avec le film; et à appliquer une pression mécanique suffisante sur le film pendant qu'il est en contact avec la surface formante pour que le film prenne d'une manière permanente la configuration de microstructure tridimensionelle présentée par ladite surface formante.
19. Le procédé de la revendication 18, dans lequel ladite pression mécanique est appliquée au film en faisant passer ce film dans l'intervalle formé entre la surface formante de forme tubulaire et un cylindre presseur élastique.
20. Un procède de formage continue d'une bande thermoplastique élastique selon l'une quelconque des revendications 1 à 13, possédant un aspect et une impression tactile fibreux et tridimensionnels, caractérisé en ce que ce procédé comprend les étapes consistant à extruder un matériau thermoplastique fluid pour former un film en relation de contact avec une surface de forme tubulaire, perforée, formant un stratifié, présentant une microstructure tridimensionnelle, comprenant un ensemble réticulé régulier de réseaux capillaires de section transversale non uniforme le long de leur longueur, prenant naissance dans la surface en contact avec le film, et s'étendant en continu de cette surface à la surface qui n'est pas en contact avec le film; à maintenir une partie de ce film en contact avec la surface formante au-dessus de sa température de thermoplasticité; à appliquer une pression différentielle pneumatique suffisament importante au film thermoplastique chauffé pour que ce film soit creusé dans l'image de la surface perforée formant un stratifié; et à refroidir le film creusé en-dessous de sa temperature de thermoplasticité avant d'enlever ce film de la surface formante.
21. Un procédé de construction d'un élément tubulaire tridimensionnel destiné à conférer d'un manière continue un aspect et une impression tactile fibreux tridimensionnels à une bande plastique mise en contact avec sa surface périphérique conformément au procédé selon l'une quelconque des revendications 14 à 20, procédé caractérisé en ce qu'il comprend les étapes consistant (a) à former des configurations d'ouvertures dans une multitude de feuilles planes, au moins une partie de ces feuilles ayant des configurations d'ouverture différentes les unes des autres; (b) à superposer les feuilles ayant des configurations d'ouvertures différentes les unes sur les autres pour former un empilement présentant une taille tridimensionnelle décroissant entre sa surface la plus supérieure et sa surface la plus inférieure; (c) à coller cet empilement de feuilles superposées les unes aux autres en des points de contact pour former une structure stratifiée intégrale sans détruire la configuration continue de réseaux capillaires; (d) à faire en sorte que la surface la plus supérieure de la structure stratifiée prenne un rayon de courbure supérieur à celui de la surface la plus inférieure de la structure stratifiée, sans en provoquer une déstratification, faisant ainsi en sorte que la structure stratifiée prenne une forme sensiblement tubulaire; et (e) à fixer les arêtes libres opposées de la structure stratifiée de forme tubulaire les unes aux autres tout en maintenant une continuité importante des configurations continues tridimensionelles de réseaux capillaires autour de la totalité de la périphérie de l'élément tubulaire ainsi formé.
22. Le procédé de la revendication 21, dans lequel les feuilles planes sont constituées de métal et les configurations d'ouverture y sont formées par photogravure.
23. Le procédé de la revendication 22, dans lequel au moins la feuille plane la plus supérieure de l'empilement de fueilles est microtexturée par photogravure d'une configuration de rainures, à fine échelle, dans sa surface la plus supérieure, avant de superposer les feuilles planes les unes sur les autres.
24. Le procédé de l'une quelconque des revendications 21 à 23, caractérisé en ce que les feuilles planes sont superposées les unes aux autres avant d'être collées par leurs arêtes libres opposées, qui ne sont pas en alignement vertical les unes avec les autres, de façon que les arêtes libres opposées de la structure stratifiée s'adaptent les unes aux autres quand on fait en sorte que le stratifié prenne une forme sensiblement tubulaire, pour conférer une nette continuité à la configuration continue tridimensionelle de réseaux capillaires autour de la totalité de la périphérie de l'élément tubulaire ainsi formé.
25. Le procédé de la revendication 24, dans lequel les feuilles planes sont en défaut d'aligne- . ment vertical quand elles sont superposées les unes aux autres de sorte que leurs arêtes libres opposées s'adaptent les unes aux autres comme des marches d'escalier quand on fait en sorte que la structure stratifiée prenne une forme essentiellment tubulaire.
26. Le procédé de la revendication 24, dans lequel les feuilles sont en défaut d'alignement vertical, quand elles sont superposées les unes aux autres, de sorte que leurs arêtes libres opposées s'adaptent les unes aux autres d'une façon entrelacée quand on fait en sorte que la structure stratifiée prenne une forme essentiellement tubulaire.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1750679A | 1979-03-05 | 1979-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK99288A true HK99288A (en) | 1988-12-16 |
Family
ID=21782966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK992/88A HK99288A (en) | 1979-03-05 | 1988-12-08 | Resilient plastic web exhibiting fiber-like properties and method for its manufacture |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0018020B1 (fr) |
| JP (3) | JPS55146738A (fr) |
| AT (1) | ATE6604T1 (fr) |
| AU (1) | AU541677B2 (fr) |
| BR (1) | BR8001307A (fr) |
| CA (1) | CA1140319A (fr) |
| DE (1) | DE3066902D1 (fr) |
| ES (3) | ES489159A0 (fr) |
| GR (1) | GR67004B (fr) |
| HK (1) | HK99288A (fr) |
| IE (1) | IE49278B1 (fr) |
| MX (1) | MX153289A (fr) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3066902D1 (en) * | 1979-03-05 | 1984-04-19 | Procter & Gamble | Resilient plastic web exhibiting fiber-like properties and method for its manufacture |
| US4395215A (en) * | 1981-02-02 | 1983-07-26 | The Procter & Gamble Company | Film forming structure for uniformly debossing and selectively aperturing a resilient plastic web and method for its construction |
| US4441952A (en) * | 1981-02-02 | 1984-04-10 | The Procter & Gamble Company | Method and apparatus for uniformly debossing and aperturing a resilient plastic web |
| JPS59153118U (ja) * | 1983-03-30 | 1984-10-13 | 帝人株式会社 | 収納袋用シ−ト |
| JPS59179031U (ja) * | 1983-05-17 | 1984-11-30 | 昭和電工株式会社 | 積層構造体 |
| US4695422A (en) * | 1984-02-16 | 1987-09-22 | The Procter & Gamble Company | Production of formed material by solid-state formation with a high-pressure liquid stream |
| US4591523A (en) * | 1985-05-31 | 1986-05-27 | The Procter & Gamble Company | Apertured macroscopically expanded three-dimensional polymeric web exhibiting breatheability and resistance to fluid transmission |
| US4637819A (en) * | 1985-05-31 | 1987-01-20 | The Procter & Gamble Company | Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other |
| JP2804270B2 (ja) * | 1988-08-19 | 1998-09-24 | 花王株式会社 | 吸収性物品の表面材 |
| JP2928665B2 (ja) * | 1991-08-21 | 1999-08-03 | ユニ・チャーム株式会社 | 吸収性物品の表面シート、およびその製造方法 |
| JP2580566Y2 (ja) * | 1992-01-20 | 1998-09-10 | ユニ・チャーム株式会社 | 体液処理用品の透液性表面シート |
| ZA921169B (en) * | 1992-02-18 | 1993-08-18 | Chicopee | Textile-like apertured plastic films. |
| SG81194A1 (en) * | 1992-02-18 | 2001-06-19 | Mcneil Ppc Inc | Textile-like apertured plastic films |
| IT1270421B (it) | 1993-06-04 | 1997-05-05 | P & G Spa | Articolo assorbente, ad esempio per la realizzazione di prodotti assorbenti igienici, con regione di ricezione del fluido ad elevata voluminosita' |
| CA2138584C (fr) * | 1993-12-30 | 2006-08-15 | Wanda Walton Jackson | Pellicule perforee/compose non tisse pour articles de soins personnels et autres articles semblables |
| IT1268108B1 (it) | 1994-10-07 | 1997-02-20 | P & G Spa | Dispositivo igienico assorbente. |
| ES2164751T3 (es) | 1995-06-19 | 2002-03-01 | Procter & Gamble | Hojas superiores dobles perforadas para articulos absorbentes. |
| ES2151042T3 (es) | 1995-06-19 | 2000-12-16 | Procter & Gamble | Hojas superiores dobles perforadas para articulos absorbentes. |
| EP0749736B1 (fr) | 1995-06-19 | 2000-01-26 | The Procter & Gamble Company | Couche supérieure double avec perforations pour article absorbant |
| EP0761189B1 (fr) | 1995-09-06 | 2000-12-20 | The Procter & Gamble Company | Article d'hygiène avec une couche supérieure à perforations de dimensions multiples |
| EP0761190B1 (fr) * | 1995-09-06 | 1999-11-24 | The Procter & Gamble Company | Article d'hygiène avec une couche supérieure à perforations de dimensions multiples et une distribution sélectionnée de perforations |
| EP0923919A1 (fr) * | 1997-12-18 | 1999-06-23 | The Procter & Gamble Company | L'utilisation des feuilles arrières masquant des souillures pour des articles absorbants |
| EP0985393A1 (fr) | 1998-09-07 | 2000-03-15 | The Procter & Gamble Company | Article absorbant perméable à l'air pourvu d'une feuille arrière en mousse |
| US20040121120A1 (en) * | 2002-12-20 | 2004-06-24 | The Procter & Gamble Company | Apparatus for making a polymeric web exhibiting a soft and silky tactile impression |
| US7845380B2 (en) | 2004-05-14 | 2010-12-07 | Mcneil-Ppc, Inc. | Intravaginal device with fluid transport plates |
| US20050256485A1 (en) * | 2004-05-14 | 2005-11-17 | Samuel Carasso | Method of using intravaginal device with fluid transport plates |
| US8247642B2 (en) | 2004-05-14 | 2012-08-21 | Mcneil-Ppc, Inc. | Fluid management device with fluid transport element for use within a body |
| EP1755515B1 (fr) | 2004-05-14 | 2018-10-17 | Johnson & Johnson Consumer Inc. | Dispositif intravaginal avec plaques pour le transport de fluides |
| US20050256484A1 (en) | 2004-05-14 | 2005-11-17 | Chase David J | Method of using an intravaginal device with fluid transport plates |
| US8653322B2 (en) * | 2004-05-14 | 2014-02-18 | Mcneil-Ppc, Inc. | Intravaginal device with fluid transport plates |
| ATE489928T1 (de) * | 2004-05-14 | 2010-12-15 | Johnson & Johnson Consumer | Intravaginale vorrichtung mit flüssigkeitstransportplatten und herstellungsverfahren |
| JP4815183B2 (ja) * | 2005-10-05 | 2011-11-16 | 王子ネピア株式会社 | 褥瘡用シート |
| US8981178B2 (en) * | 2009-12-30 | 2015-03-17 | Kimberly-Clark Worldwide, Inc. | Apertured segmented films |
| US8895126B2 (en) | 2010-12-31 | 2014-11-25 | Kimberly-Clark Worldwide, Inc. | Segmented films with high strength seams |
| US10081123B2 (en) | 2010-12-31 | 2018-09-25 | Kimberly-Clark Worldwide, Inc. | Segmented films with high strength seams |
| US9676164B2 (en) | 2011-07-18 | 2017-06-13 | Kimberly-Clark Worldwide, Inc. | Extensible sheet material with visual stretch indicator |
| CN104755258B (zh) | 2012-11-05 | 2018-02-09 | 印刷包装国际公司 | 用于制造袋的方法和系统 |
| US20150083310A1 (en) * | 2013-09-20 | 2015-03-26 | The Procter & Gamble Company | Textured Laminate Structure, Absorbent Articles With Textured Laminate Structure, And Method for Manufacturing |
| US10195093B2 (en) * | 2014-10-20 | 2019-02-05 | Tredegar Film Products Corporation | Absorbent article with three-dimensional film for liquid distribution |
| US10687992B2 (en) * | 2015-10-20 | 2020-06-23 | Tredegar Film Products Llc | Formed film acquisition distribution layer and absorptive device therewith |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE23910E (en) * | 1954-12-14 | Method and apparatus for producing textured | ||
| US3054148A (en) * | 1951-12-06 | 1962-09-18 | Zimmerli William Frederick | Process of producing a perforated thermoplastic sheet |
| US2809392A (en) * | 1954-06-15 | 1957-10-15 | Toscony Fabrics Inc | Apparatus for embossing thermoplastic film |
| US3814101A (en) * | 1970-09-17 | 1974-06-04 | Union Carbide Corp | Disposable absorbent articles |
| US3459186A (en) * | 1966-04-14 | 1969-08-05 | Farah Mfg Co Inc | Diaper construction |
| DE2145261A1 (de) * | 1971-09-10 | 1973-03-15 | Dornbusch Gravieranst | Praegewalze zum praegen von thermoplastischen kunststoffbahnen |
| US3989867A (en) * | 1973-02-16 | 1976-11-02 | The Procter & Gamble Company | Absorptive devices having porous backsheet |
| US3911187A (en) * | 1973-12-26 | 1975-10-07 | Ethyl Corp | Embossed plastic film |
| US3929135A (en) * | 1974-12-20 | 1975-12-30 | Procter & Gamble | Absorptive structure having tapered capillaries |
| US3965906A (en) * | 1975-02-24 | 1976-06-29 | Colgate-Palmolive Company | Absorbent article with pattern and method |
| US4041951A (en) * | 1976-03-02 | 1977-08-16 | The Procter & Gamble Company | Absorptive structure having improved surface dryness and improved resistance to rewetting in-use |
| CA1080419A (fr) * | 1976-04-08 | 1980-07-01 | Chia-Seng Liu | Tissu reticule |
| US4041949A (en) * | 1976-07-02 | 1977-08-16 | Union Carbide Corporation | Flexible waistband diaper |
| DE2740184A1 (de) * | 1976-09-10 | 1978-03-16 | Procter & Gamble | Saugfaehiger wegwerfartikel |
| US4151240A (en) * | 1976-10-19 | 1979-04-24 | The Procter & Gamble Company | Method for debossing and perforating a running ribbon of thermoplastic film |
| DE3066902D1 (en) * | 1979-03-05 | 1984-04-19 | Procter & Gamble | Resilient plastic web exhibiting fiber-like properties and method for its manufacture |
-
1980
- 1980-02-26 DE DE8080200156T patent/DE3066902D1/de not_active Expired
- 1980-02-26 AT AT80200156T patent/ATE6604T1/de not_active IP Right Cessation
- 1980-02-26 GR GR61288A patent/GR67004B/el unknown
- 1980-02-26 EP EP80200156A patent/EP0018020B1/fr not_active Expired
- 1980-03-03 MX MX181398A patent/MX153289A/es unknown
- 1980-03-03 CA CA000346867A patent/CA1140319A/fr not_active Expired
- 1980-03-04 IE IE427/80A patent/IE49278B1/en not_active IP Right Cessation
- 1980-03-04 ES ES489159A patent/ES489159A0/es active Granted
- 1980-03-04 AU AU56114/80A patent/AU541677B2/en not_active Expired
- 1980-03-05 JP JP2786880A patent/JPS55146738A/ja active Granted
- 1980-03-05 BR BR8001307A patent/BR8001307A/pt unknown
- 1980-05-23 ES ES1980250912U patent/ES250912U/es not_active Withdrawn
- 1980-09-16 ES ES1980252982U patent/ES252982Y/es not_active Expired
-
1988
- 1988-12-08 HK HK992/88A patent/HK99288A/en not_active IP Right Cessation
-
1990
- 1990-03-12 JP JP2060903A patent/JPH03198850A/ja active Granted
- 1990-03-12 JP JP2060902A patent/JPH03184541A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0566B2 (fr) | 1993-01-05 |
| ES252982Y (es) | 1982-07-01 |
| ES8103977A1 (es) | 1981-04-01 |
| GR67004B (fr) | 1981-05-18 |
| CA1140319A (fr) | 1983-02-01 |
| ES252982U (es) | 1981-09-01 |
| JPH03184541A (ja) | 1991-08-12 |
| IE49278B1 (en) | 1985-09-04 |
| MX153289A (es) | 1986-09-11 |
| DE3066902D1 (en) | 1984-04-19 |
| ES250912U (es) | 1981-01-01 |
| AU541677B2 (en) | 1985-01-17 |
| JPH03198850A (ja) | 1991-08-30 |
| JPS55146738A (en) | 1980-11-15 |
| EP0018020B1 (fr) | 1984-03-14 |
| BR8001307A (pt) | 1980-11-04 |
| ATE6604T1 (de) | 1984-03-15 |
| EP0018020A1 (fr) | 1980-10-29 |
| ES489159A0 (es) | 1981-04-01 |
| AU5611480A (en) | 1980-09-11 |
| JPH048221B2 (fr) | 1992-02-14 |
| JPH0528626B2 (fr) | 1993-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PE | Patent expired |