WO1992011778A1 - Product adjustable to the shape of an object or member and production method - Google Patents

Product adjustable to the shape of an object or member and production method Download PDF

Info

Publication number
WO1992011778A1
WO1992011778A1 PCT/FR1992/000016 FR9200016W WO9211778A1 WO 1992011778 A1 WO1992011778 A1 WO 1992011778A1 FR 9200016 W FR9200016 W FR 9200016W WO 9211778 A1 WO9211778 A1 WO 9211778A1
Authority
WO
WIPO (PCT)
Prior art keywords
shape
modeling
product
environmental conditions
adjusted
Prior art date
Application number
PCT/FR1992/000016
Other languages
French (fr)
Inventor
Shlomit Bar-On
Original Assignee
Fit-It-Yourself
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fit-It-Yourself filed Critical Fit-It-Yourself
Priority to KR1019930702101A priority Critical patent/KR930702909A/en
Priority to JP4504002A priority patent/JPH06507428A/en
Publication of WO1992011778A1 publication Critical patent/WO1992011778A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/28—Adapting the inner sole or the side of the upper of the shoe to the sole of the foot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D1/00—Foot or last measuring devices; Measuring devices for shoe parts
    • A43D1/02—Foot-measuring devices
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • A63B2209/10—Characteristics of used materials with adhesive type surfaces, i.e. hook and loop-type fastener

Definitions

  • the present invention relates to a product adjustable to the shape of an object or a member of the human body with which it must be associated, said adjustment being carried out directly on the object or the member in order to exactly match the shape or outline thereof, thanks to the properties of the material of which said product is made.
  • the product according to the present invention consists of a material which is flexible enough to be quickly adjusted by "in situ" modeling to the shape of the member or of the object to which it must to be associated, and which after having been adjusted to its final form, loses its ability to model under the effect of environmental conditions.
  • said material is chosen from the group which comprises polyurethanes, silicones and all suitable thyxotropic materials.
  • said material is associated with appropriate quantities of a substance capable of modifying the initial deformable state of said material in undeformable state, under the effect of environmental conditions.
  • the material of which the product is made is kept sheltered from environmental conditions, preferably in an airtight and ambient humidity bag, until it has been adjusted by modeling to the shape of the limb or the object with which it must be associated.
  • the adjustment by modeling is carried out in situ while the material is enclosed in said waterproof bag, the latter being removed only after adjustment to expose the material to the conditions of the environment and make it dimensionally stable.
  • the material is adjusted by modeling on the limb or the object with which it must be associated, immediately after being removed from the waterproof bag which keeps it safe from the conditions of environment, the duration of the adjustment by modeling being calculated to be fast enough for the material to become indeformable only after the modeling has been completed.
  • the product according to the invention has multiple applications, in particular for the protection or comfort of the human body.
  • shoe soles of all kinds sports, in particular jogging, skiing, internally-ski, skating or city shoes
  • inner soles for a sole of all kinds
  • seat covers for offices, cars, etc.
  • seat covers and sun loungers for babies and children, including child seats for cars; car wrapping; mattresses, blankets, pillows for the sick, burn victims, bedridden; prostheses; clear frames (sight, sun, ski, diving, etc.); protective helmets for cyclists, motorcyclists, sportsmen and professionals; and protective helmet liners; protective gloves for athletes and professionals; protective and / or insulating sleeves and / or to ensure better grip (for tools or for sporting articles such as racket handles and the like); ski poles, golf equipment, oar handles, bicycle or motorbike handles, etc .; sportswear and professional clothing; protective pads for sportsmen or for musicians (violinists) etc; toys and hobbies; protective packaging for fragile objects;
  • the products in accordance with the present invention can be presented either in the form of a product au- tono e (this is the case, for example, with an inner sole), either in the form of attached products which adhere perfectly to the object - or to the organ - with which they are associated.
  • the products according to the present invention do not require, for their shaping, the intervention of skilled tradesmen; indeed, each user is able to format a product for his own use. For example, a user can shape an insole simply by em ⁇ footprint on the material of which the product is made and which is delivered substantially precut for the use for which it is intended.
  • the procedure is as follows: according to an alternative embodiment, the material from which the product according to the invention must be made, in particular polyurethane or a silicone, is required protected from atmospheric humidity, in a bag impermeable to atmospheric humidity and neutral with respect to said material.
  • the material is removed from its bag, it is adjusted by modeling to the desired shape and it is subjected to atmospheric humidity (with possible addition of a small amount of water).
  • the material becomes indeformable by exposure to the environment for 2 to 20 minutes, depending on the material chosen, the desired thickness, the environmental conditions and depending on whether or not it contains an accelerator -or activator- of chan ⁇ state management, such as for example, sodium bicarbonate (in the case of polyurethane).
  • an accelerator -or activator- of chan ⁇ state management such as for example, sodium bicarbonate (in the case of polyurethane).
  • the material can advantageously be wrapped in a film which is neutral with respect to said material, but itself permeable to atmospheric humidity, the assembly being enclosed in a bag impervious to environmental conditions;
  • the material's non-deformability is obtained by the action of environmental conditions on said material enveloped in said film, after having left said bag and having adjusted it to the desired shape.
  • the waterproof bag contains said material, as well as capsules -or microcapsules- containing water.
  • the pressure exerted on the bag containing both the atria and the capsules in order to carry out the adjustment by molding to the desired shape, causes the opening of the capsules and the stiffening of the product in the form desired. read.
  • the material can be fixed or associated with one or more of the following materials: microspheres in microcellular plastic, local projections hollow or in the form of pads, partial or complete supports, microcellular materials, hollow or low weight.
  • the products in accordance with the invention can be provided with any suitable fixing means to allow their fixing or their adaptation to existing products, such as "VELCRO", adhesives, rubber, etc.

Abstract

Product adjustable to the shape of an object or member of the human body to which it must be associated. Said product is comprised of a material sufficiently flexible to be rapidly adjusted by moulding in situ to the shape of the member or the object to which it must be associated and which, after having been adjusted to its definitive shape, loses its moulding capacity under the effect of the environmental conditions. Applications as protection or comfort agent for the human body.

Description

PRODUIT .AJPST.ABLE A LA FORME D'UN OBJET Ou MEMBRE ET SON PROCEDE DE PRODUCTION .AJPST.ABLE PRODUCT IN THE FORM OF AN OBJECT OR MEMBER AND ITS PRODUCTION METHOD
La présente invention est relative à un pro¬ duit ajustable à la forme d'un objet ou d'un membre du corps humain auquel il doit être associé, ledit ajuste¬ ment étant réalisé directement sur l'objet ou le membre pour épouser exactement la forme ou le contour de celui- ci, grâce aux propriétés du matériau dont est constitué ledit produit. Conformément à l'invention, le produit conforme à la présente invention est constitué d'un maté¬ riau qui est suffisamment souple pour être ajusté rapide¬ ment par modelage "in situ" à la forme du membre ou de l'objet auquel il doit être associé, et qui après avoir été ajusté à sa forme définitive, perd son aptitude au modelage sous l'effet des conditions de l'environnement.The present invention relates to a product adjustable to the shape of an object or a member of the human body with which it must be associated, said adjustment being carried out directly on the object or the member in order to exactly match the shape or outline thereof, thanks to the properties of the material of which said product is made. According to the invention, the product according to the present invention consists of a material which is flexible enough to be quickly adjusted by "in situ" modeling to the shape of the member or of the object to which it must to be associated, and which after having been adjusted to its final form, loses its ability to model under the effect of environmental conditions.
Selon une disposition avantageuse de l'invention, ledit matériau est choisi dans le groupe qui comprend les polyuréthanes, les silicones et tous maté- riaux thyxotropes appropriés.According to an advantageous arrangement of the invention, said material is chosen from the group which comprises polyurethanes, silicones and all suitable thyxotropic materials.
Suivant une modalité avantageuse de cette dis¬ position, ledit matériau est associé à des quantités ap¬ propriées d'une substance propre à modifier l'état ini¬ tial déformable dudit matériau en état indéformable, sous l'effet des conditions de l'environnement.According to an advantageous modality of this arrangement, said material is associated with appropriate quantities of a substance capable of modifying the initial deformable state of said material in undeformable state, under the effect of environmental conditions. .
Conformément à l'invention, le matériau dont est constitué le produit est tenu à l'abri des conditions de l'environnement, de préférence dans un sac étanche à l'air et à l'humidité ambiante, jusqu'à ce qu'il ait été ajusté par modelage à la forme du membre ou de l'objet auquel il doit être associé.In accordance with the invention, the material of which the product is made is kept sheltered from environmental conditions, preferably in an airtight and ambient humidity bag, until it has been adjusted by modeling to the shape of the limb or the object with which it must be associated.
Selon un mode de mise en oeuvre avantageux, l'ajustement par modelage est réalisé in situ alors que le matériau est enfermé dans ledit sac étanche, ce der- nier n'étant retiré qu'après l'ajustement pour exposer le matériau aux conditions de l'environnement et le rendre indéformable. Selon un autre mode de mise en oeuvre avanta¬ geux, le matériau est ajusté par modelage sur le membre ou l'objet auquel il doit être associé, immédiatement après avoir été retiré du sac étanche qui le tient à l'abri des conditions de l'environnement, la durée de l'ajustement par modelage étant calculée pour être suffi¬ samment rapide pour que le matériau ne devienne indéfor¬ mable qu'une fois le modelage terminé.According to an advantageous embodiment, the adjustment by modeling is carried out in situ while the material is enclosed in said waterproof bag, the latter being removed only after adjustment to expose the material to the conditions of the environment and make it dimensionally stable. According to another advantageous embodiment, the material is adjusted by modeling on the limb or the object with which it must be associated, immediately after being removed from the waterproof bag which keeps it safe from the conditions of environment, the duration of the adjustment by modeling being calculated to be fast enough for the material to become indeformable only after the modeling has been completed.
Le produit conforme à 1'invention comporte de multiples applications, notamment pour la protection ou le confort du corps humain. On citera, à titre d'exemples non limitatifs les applications suivantes : semelles de chaussures de toutes sortes (de sport, notamment de jog¬ ging, de ski, d'après-ski, de patinage ou de ville), se- melles intérieures; habillages de sièges (de bureaux, d'automobiles, etc) ; habillages de sièges et chaises longues pour bébés et enfants, y compris de sièges d'enfants pour automobiles; habillage de voitures d'enfants; matelas, couvertures, oreillers pour malades, grands brûlés, grabataires; prothèses; montures de lu¬ nettes (de vue, de soleil, de ski, de plongée, etc) ; casques de protection pour cyclistes, motocyclistes, sportifs et professionnels; et doublages de casques de protection; gants de protection pour sportifs et profes- sionnels; manchons de protection et/ou d'isolation et/ou pour assurer une meilleure préhension (pour outils ou pour articles de sport tels que manches de raquettes et analogues) ; bâtons de ski, équipements de golf, poignées de rames, poignées de bicyclettes ou motos, etc; vête- ments de sport et vêtements professionnels; tampons de protection pour sportifs ou pour musiciens (violonistes) etc; jouets et objets de loisirs; emballages de protec¬ tion pour objets fragiles; éléments pour l'isolation, no¬ tamment thermique. Les produits conformes à la présente invention peuvent se présenter soit sous la forme d'un produit au- tono e (c'est le cas par exemple d'une semelle inté¬ rieure) , soit sous forme de produits rapportés qui adhè¬ rent parfaitement à l'objet -ou à l'organe- auquel ils sont associés. Les produits conformes à la présente invention ne nécessitent pas pour leur mise en forme, l'intervention d'hommes de métiers; en effet, chaque uti¬ lisateur est en mesure de mettre en forme un produit pour son propre usage. Par exemple, un utilisateur pourra mettre en forme une semelle intérieure simplement par em¬ preinte du pied sur le matériau dont est constitué le produit et qui est livré sensiblement prédécoupé en vue de l'usage auquel il est destiné.The product according to the invention has multiple applications, in particular for the protection or comfort of the human body. By way of nonlimiting examples, the following applications will be cited: shoe soles of all kinds (sports, in particular jogging, skiing, après-ski, skating or city shoes), inner soles ; seat covers (for offices, cars, etc.); seat covers and sun loungers for babies and children, including child seats for cars; car wrapping; mattresses, blankets, pillows for the sick, burn victims, bedridden; prostheses; clear frames (sight, sun, ski, diving, etc.); protective helmets for cyclists, motorcyclists, sportsmen and professionals; and protective helmet liners; protective gloves for athletes and professionals; protective and / or insulating sleeves and / or to ensure better grip (for tools or for sporting articles such as racket handles and the like); ski poles, golf equipment, oar handles, bicycle or motorbike handles, etc .; sportswear and professional clothing; protective pads for sportsmen or for musicians (violinists) etc; toys and hobbies; protective packaging for fragile objects; elements for insulation, particularly thermal. The products in accordance with the present invention can be presented either in the form of a product au- tono e (this is the case, for example, with an inner sole), either in the form of attached products which adhere perfectly to the object - or to the organ - with which they are associated. The products according to the present invention do not require, for their shaping, the intervention of skilled tradesmen; indeed, each user is able to format a product for his own use. For example, a user can shape an insole simply by em¬ footprint on the material of which the product is made and which is delivered substantially precut for the use for which it is intended.
Pour la mise en oeuvre de l'invention, l'on procède comme suit : selon une variante de mise en oeuvre, le maté¬ riau dont doit être constitué le produit conforme à l'invention, notamment du polyuréthane ou une silicone, est tenu à l'abri de l'humidité atmosphérique, dans un sac imperméable à l'humidité atmosphérique et neutre vis- à-vis dudit matériau.For the implementation of the invention, the procedure is as follows: according to an alternative embodiment, the material from which the product according to the invention must be made, in particular polyurethane or a silicone, is required protected from atmospheric humidity, in a bag impermeable to atmospheric humidity and neutral with respect to said material.
Pour le modeler à la forme de l'objet ou de l'organe à protéger ou à réaliser, on sort le matériau de son sac, on l'ajuste par modelage à la forme voulue et on le soumet à l'humidité atmosphérique (avec addition éven¬ tuelle d'une petite quantité d'eau) . Le matériau devient indéformable par exposition à l'environnement pendant 2 à 20 minutes, selon le matériau choisi, l'épaisseur dési¬ rée, les conditions de l'environnement et selon qu'il contient ou non un accélérateur -ou activateur- de chan¬ gement d'état, tel que par exemple, le bicarbonate de so¬ dium (dans le cas du polyuréthane) .To mold it to the shape of the object or organ to be protected or to be produced, the material is removed from its bag, it is adjusted by modeling to the desired shape and it is subjected to atmospheric humidity (with possible addition of a small amount of water). The material becomes indeformable by exposure to the environment for 2 to 20 minutes, depending on the material chosen, the desired thickness, the environmental conditions and depending on whether or not it contains an accelerator -or activator- of chan ¬ state management, such as for example, sodium bicarbonate (in the case of polyurethane).
Selon une autre variante de mise en oeuvre, le matériau peut avantageusement être enveloppé d'un film neutre vis-à-vis dudit matériau, mais lui-même perméable à l'humidité atmosphérique, l'ensemble étant enfermé dans un sac étanche aux conditions de 1'environnement; 1'indéformabilité du matériau est obtenue par action des conditions de l'environnement sur ledit matériau enve¬ loppé dans ledit film, après 1'avoir sorti dudit sac et l'avoir ajusté à la forme voulue.According to another implementation variant, the material can advantageously be wrapped in a film which is neutral with respect to said material, but itself permeable to atmospheric humidity, the assembly being enclosed in a bag impervious to environmental conditions; The material's non-deformability is obtained by the action of environmental conditions on said material enveloped in said film, after having left said bag and having adjusted it to the desired shape.
Selon encore une autre variante de mise en oeuvre, le sac étanche contient ledit matériau, ainsi que des capsules -ou microcapsules- contenant de l'eau. La pression exercée sur le sac contenant à la fois le até- riau et les capsules, pour réaliser l'ajustement par mo¬ delage à la forme voulue, provoque l'ouverture des cap¬ sules et la rigidification du produit dans la forme vou¬ lue.According to yet another implementation variant, the waterproof bag contains said material, as well as capsules -or microcapsules- containing water. The pressure exerted on the bag containing both the atria and the capsules, in order to carry out the adjustment by molding to the desired shape, causes the opening of the capsules and the stiffening of the product in the form desired. read.
Quel que soit le mode de mise en oeuvre, le matériau peut être fixé ou associé à un ou plusieurs des matériaux suivants : microsphères en matière plastique microcellulaire, projections locales creuses ou en forme de coussinets, supports partiels ou complets, matériaux microcellulaires, creux ou de faible poids. Les produits conformes à l'invention peuvent être pourvus de tous moyens de fixation appropriés pour permettre leur fixation ou leur adaptation sur des pro¬ duits existants, tels que "VELCRO", adhésifs, caoutchouc, etc... Whatever the mode of implementation, the material can be fixed or associated with one or more of the following materials: microspheres in microcellular plastic, local projections hollow or in the form of pads, partial or complete supports, microcellular materials, hollow or low weight. The products in accordance with the invention can be provided with any suitable fixing means to allow their fixing or their adaptation to existing products, such as "VELCRO", adhesives, rubber, etc.

Claims

RBVBNPIÇATIQNS RBVBNPIÇATIQNS
1. Produit ajustable à la forme d'un objet ou d'un membre du corps humain auquel il doit être associé, caractérisé en ce que ledit ajustement est réalisé direc- tement sur l'objet ou le membre pour épouser exactement la forme ou le contour de celui-ci, grâce aux propriétés du matériau dont est constitué ledit produit.1. Product adjustable to the shape of an object or a member of the human body with which it must be associated, characterized in that said adjustment is made directly on the object or the limb to exactly match the shape or outline thereof, thanks to the properties of the material of which said product is made.
2. Produit selon la revendication 1, caracté¬ risé en ce qu'il est constitué d'un matériau qui est suf- fisamment souple pour être ajusté rapidement par modelage "in situ" à la forme du membre ou de l'objet auquel il doit être associé, et qui après avoir été ajusté à sa forme définitive, perd son aptitude au modelage sous l'effet des conditions de l'environnement. 2. Product according to claim 1, caracté¬ ized in that it consists of a material which is sufficiently flexible to be quickly adjusted by modeling "in situ" to the shape of the member or object to which it must be associated, and which after having been adjusted to its final shape, loses its ability to model under the effect of environmental conditions.
3. Produit selon la revendication 2, caracté¬ risé en ce que ledit matériau est choisi dans le groupe qui comprend les polyuréthanes, les silicones et tous ma¬ tériaux thyxotropes appropriés.3. Product according to claim 2, caracté¬ ized in that said material is chosen from the group which comprises polyurethanes, silicones and all suitable thyxotropic materials.
4. Produit selon l'une quelconque des revendi- cations 1 à 3, caractérisé en ce que ledit matériau est associé à des quantités appropriées d'une substance propre à modifier l'état initial déformable dudit maté¬ riau en état indéformable, sous l'effet des conditions de 1 'environnement. 4. Product according to any one of claims 1 to 3, characterized in that said material is associated with appropriate quantities of a substance capable of modifying the initial deformable state of said maté¬ riau in undeformable state, under l effect of environmental conditions.
5. Procédé de production d'un produit selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le matériau dont est constitué le produit est tenu à l'abri des conditions de l'environnement, de préférence dans un sac étanche à l'air et à l'humidité ambiante, jusqu'à ce qu'il ait été ajusté par modelage à la forme du membre ou de l'objet auquel il doit être associé.5. Method for producing a product according to any one of claims 1 to 4, characterized in that the material of which the product is made is kept away from environmental conditions, preferably in a waterproof bag in ambient air and humidity, until it has been adjusted by modeling to the shape of the limb or object with which it is to be associated.
6. Procédé selon la revendication 5, caracté¬ risé en ce que l'ajustement par modelage est réalisé in situ alors que le matériau est enfermé dans ledit sac étanche, ce dernier n'étant retiré qu'après l'ajustement pour exposer le matériau aux conditions de l'environnement et le rendre indéformable.6. Method according to claim 5, caracté¬ ized in that the adjustment by modeling is carried out in situ while the material is enclosed in said waterproof bag, the latter being removed only after adjustment to expose the material to environmental conditions and make it non-deformable.
7. Procédé selon la revendication 5, caracté¬ risé en ce que le matériau est ajusté par modelage sur le membre ou l'objet auquel il doit être associé, immédiate¬ ment après avoir été retiré du sac étanche qui le tient à l'abri des conditions de l'environnement, la durée de l'ajustement par modelage étant calculée pour être suffi¬ samment rapide pour que le matériau ne devienne indéfor- mable qu'une fois le modelage terminé. 7. Method according to claim 5, caracté¬ ized in that the material is adjusted by modeling on the member or the object with which it must be associated, immediately after being removed from the waterproof bag which keeps it safe environmental conditions, the duration of the adjustment by modeling being calculated to be fast enough that the material does not become undeformable until the modeling is finished.
PCT/FR1992/000016 1991-01-13 1992-01-10 Product adjustable to the shape of an object or member and production method WO1992011778A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019930702101A KR930702909A (en) 1991-01-13 1992-01-10 Products applicable to the object or limb model and its manufacturing method
JP4504002A JPH06507428A (en) 1991-01-13 1992-01-10 Formation that can be adapted to the shape of an object or limb, and its manufacturing method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL96937A IL96937A0 (en) 1991-01-13 1991-01-13 Customized insole support and a method for its preparation
IL096937 1991-01-13

Publications (1)

Publication Number Publication Date
WO1992011778A1 true WO1992011778A1 (en) 1992-07-23

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ID=11061955

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1992/000016 WO1992011778A1 (en) 1991-01-13 1992-01-10 Product adjustable to the shape of an object or member and production method

Country Status (6)

Country Link
EP (1) EP0495695A1 (en)
JP (1) JPH06507428A (en)
KR (1) KR930702909A (en)
AU (1) AU1228392A (en)
IL (1) IL96937A0 (en)
WO (1) WO1992011778A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170039249A (en) * 2014-08-12 2017-04-10 뮐티바스 에스아 Thermoplastic polyurethane silicone elastomers
CN110548267A (en) * 2019-09-06 2019-12-10 湖南永爱生物科技有限公司 Intelligent badminton racket for leisure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322873A (en) * 1963-09-30 1967-05-30 Dow Corning Method of making a resilient custom-fit body protector
EP0323099A2 (en) * 1987-12-24 1989-07-05 Minnesota Mining And Manufacturing Company Last for preparing custom footwear
US4955393A (en) * 1988-03-30 1990-09-11 Trident Laboratories, Inc. Mouthguard with conformable arch liners

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322873A (en) * 1963-09-30 1967-05-30 Dow Corning Method of making a resilient custom-fit body protector
EP0323099A2 (en) * 1987-12-24 1989-07-05 Minnesota Mining And Manufacturing Company Last for preparing custom footwear
US4955393A (en) * 1988-03-30 1990-09-11 Trident Laboratories, Inc. Mouthguard with conformable arch liners

Also Published As

Publication number Publication date
JPH06507428A (en) 1994-08-25
KR930702909A (en) 1993-11-29
AU1228392A (en) 1992-08-17
EP0495695A1 (en) 1992-07-22
IL96937A0 (en) 1992-03-29

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