EP0354933B1 - Agregat spherique de fibres, utile notamment comme materiau de remplissage de couvertures, telles que couvertures de lits, oreillers, etc. - Google Patents

Agregat spherique de fibres, utile notamment comme materiau de remplissage de couvertures, telles que couvertures de lits, oreillers, etc. Download PDF

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Publication number
EP0354933B1
EP0354933B1 EP19880909525 EP88909525A EP0354933B1 EP 0354933 B1 EP0354933 B1 EP 0354933B1 EP 19880909525 EP19880909525 EP 19880909525 EP 88909525 A EP88909525 A EP 88909525A EP 0354933 B1 EP0354933 B1 EP 0354933B1
Authority
EP
European Patent Office
Prior art keywords
fibers
elasticity
fibres
modulus
fiber
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 - Lifetime
Application number
EP19880909525
Other languages
German (de)
English (en)
Other versions
EP0354933A1 (fr
Inventor
Günter TESCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88909525T priority Critical patent/ATE75266T1/de
Publication of EP0354933A1 publication Critical patent/EP0354933A1/fr
Application granted granted Critical
Publication of EP0354933B1 publication Critical patent/EP0354933B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/50—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by treatment to produce shrinking, swelling, crimping or curling of fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G1/00—Loose filling materials for upholstery
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
    • D04H1/43918—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres nonlinear fibres, e.g. crimped or coiled fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24983—Hardness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y10T442/627—Strand or fiber material is specified as non-linear [e.g., crimped, coiled, etc.]
    • Y10T442/629—Composite strand or fiber material

Definitions

  • the invention relates to a spherical fiber aggregate, in particular as a filling material for blankets, such as duvets, pillows or the like, made of fibers and / or threads which are spherically entangled and essentially form a fiber ball.
  • Blankets are meant to protect the human body. They create a zone between the body and the ambient air, which inhibits heat exchange between the body and the environment and thereby reduces the heat radiation from the human body, thereby preventing hypothermia of the resting body.
  • the retention of heat by means of a blanket is essentially achieved by creating an air volume above the human body which is immovable, ie the effect is essentially achieved by a resting air cushion, the The fact that air has a poor heat conduction coefficient is exploited.
  • Valuable duvets are therefore filled with down that is itself relatively light, but whose bulk makes it possible to make a large volume available. However, down is very expensive and is not available in unlimited quantities.
  • Such a nonwoven fabric made of synthetic fibers is known, for example, from US Pat. No. 4,588,635.
  • This nonwoven fabric consists of a fiber mixture in which at least one type has crimped fibers and in which the different fibers also have a different modulus of elasticity.
  • pillows in particular pillows, are filled with spherical fiber aggregates made of fibers and / or threads, which are spherically entangled and essentially form a fiber ball.
  • the fiber aggregates used here are basically known from EP-A-0 013 427. Fibers are described there, which are tangled into fiber balls. These fiber balls have a diameter of at least 3 mm. The balls can also have a diameter of up to 50 mm. The fibers used there have a length of at least 15 mm, preferably between 40 and 120 mm. The fiber balls have a density between 0.01 and 0.1 g / cm3.
  • the fibers of these fiber balls can be natural fibers, e.g. Cotton or wool fibers, animal hair or the like. or synthetic fibers, e.g. Polyamide, polyester, polypropylene fibers or the like. or a mixture of these. In particular, these fiber balls can be crimped fibers, e.g.
  • fiber balls have crimped synthetic fibers.
  • Such fiber balls have hitherto been used essentially for textile fabrics, in particular for carpet manufacture, for clothing fabrics, bed covers, decorative fabrics or textile coverings.
  • These fiber balls as described in EP-A-0 013 427, are suitable as filling material if they contain binders which ensure that the individual balls do not dissolve and break down into their individual fibers.
  • the fiber balls used in the pillows have the task of supporting the head of a user. Since the head lies on the pillow, the total weight of the pillow is less relevant for the sleeper than with a duvet that lies on the sleeper.
  • the binding fibers have an elasticity that differs from that of the main fibers.
  • the different elasticity of the fibers ensures that the different fiber types in particular intersect. Connections between the two fiber types can then be made at the crossing points.
  • the binding fibers had a lower modulus than the main fibers.
  • the binding fibers are preferably coarser and / or stiffer than the main fibers.
  • the binding fibers used in particular are synthetic fibers.
  • the invention has for its object to provide generic fiber aggregates, or the like, in particular for use as a filling material in blankets, such as duvets, pillows. have better properties.
  • the fiber balls according to the invention have a mixture of fibers, one type of fiber having a small modulus of elasticity, while another type of fiber has a much greater modulus of elasticity and the fibers with the larger modulus of elasticity taper over their length.
  • the two types of fibers differ in particular in that the fibers with the low modulus of elasticity can be sphered very well, while the fibers with the much larger modulus of elasticity can only be sphered very poorly or not at all, since they have a very high internal resilience.
  • the fibers have different diameters at their respective ends. As a result, there is a different elasticity in these fibers even over the length of these fibers. This can have a positive effect when processing the fibers.
  • a fiber ball made from such a mixture of fibers surprisingly has a very large volume and is therefore much bulkier than the known fiber balls.
  • the fiber ball has a density that is significantly smaller than the density of the known fiber balls, as a result of which the fiber balls have a very large volume of air with a relatively low weight. Therefore, such fiber balls are particularly suitable for blankets, such as duvets or the like, which should let as little heat as possible pass through a large, resting inner air cushion, but on the other hand should not be too heavy.
  • the fibers with the smaller modulus of elasticity are crimped, while the fibers with the large modulus of elasticity are substantially uncrimped.
  • the fibers with the larger modulus of elasticity are preferably coarser and / or stiffer than the fibers with the smaller modulus of elasticity.
  • the fibers used for these fiber balls can be natural fibers, e.g. Cotton or wool fibers, animal hair or the like. or synthetic fibers, e.g. Polyamide, polyester, polypropylene fibers or the like. with the respective properties according to the invention.
  • both the fibers with the larger modulus of elasticity and the fibers with the smaller modulus of elasticity are natural fibers. Natural fibers in the blankets not only make them more valuable, they also promote sleeping comfort.
  • the fiber balls can be produced by the method described in EP-A-0 013 427.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Bedding Items (AREA)
  • Nonwoven Fabrics (AREA)
  • Artificial Filaments (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (5)

1. Ensemble de fibres sphérique, en particulier comme matériau de remplissage pour couvertures, telles que couvre-lits, coussins ou similaires, réalisé en fibres et/ou fils qui sont entremêlés de forme sphérique pour former sensiblement une boule de fibres, les boules de fibres présentant un mélange de fibres et un type de fibres présentant, par rapport à un autre type de fibres, un module d'élasticité supérieur et les fibres au module d'élasticité supérieur étant sensiblement non-frisées et les fibres au module d'élasticité supérieur s'effilant sur leur longueur.
2. Ensemble de fibres sphérique suivant la revendication 1, caractérisé en ce que les fibres au module d'élasticité inférieur sont frisées.
3. Ensemble de fibres sphérique suivant la revendication 2, caractérisé en ce que les fibres au module d'élasticité inférieur sont frisées en spirale.
4. Ensemble de fibres sphérique suivant l'une des revendications précédentes, caractérisé en ce que les fibres au module d'élasticité supérieur se présentent plus grossières et/ou plus raides que les fibres au module d'élasticité inférieur.
5. Ensemble de fibres sphérique suivant l'une des revendications précédentes, caractérisé en ce que tant les fibres au module d'élasticité supérieur que les fibres au module d'élasticité inférieur sont des fibres naturelles.
EP19880909525 1988-01-12 1988-10-26 Agregat spherique de fibres, utile notamment comme materiau de remplissage de couvertures, telles que couvertures de lits, oreillers, etc. Expired - Lifetime EP0354933B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88909525T ATE75266T1 (de) 1988-01-12 1988-10-26 Sphaerisches faseraggregat, insbesondere als fuellmaterial fuer decken, wie bettdecken, kissen od.dgl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH82/88A CH679822B5 (fr) 1988-01-12 1988-01-12
CH82/88 1988-01-12

Publications (2)

Publication Number Publication Date
EP0354933A1 EP0354933A1 (fr) 1990-02-21
EP0354933B1 true EP0354933B1 (fr) 1992-04-22

Family

ID=4178852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880909525 Expired - Lifetime EP0354933B1 (fr) 1988-01-12 1988-10-26 Agregat spherique de fibres, utile notamment comme materiau de remplissage de couvertures, telles que couvertures de lits, oreillers, etc.

Country Status (10)

Country Link
US (1) US5080964A (fr)
EP (1) EP0354933B1 (fr)
JP (1) JPH02502932A (fr)
AT (1) ATE75266T1 (fr)
CA (1) CA1308246C (fr)
CH (1) CH679822B5 (fr)
DE (1) DE3870447D1 (fr)
DK (1) DK449589D0 (fr)
NO (1) NO893514L (fr)
WO (1) WO1989006714A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169580A (en) * 1985-05-15 1992-12-08 E. I. Du Pont De Nemours And Company Bonded non-woven polyester fiber structures
US6329052B1 (en) * 1999-04-27 2001-12-11 Albany International Corp. Blowable insulation
US6329051B1 (en) 1999-04-27 2001-12-11 Albany International Corp. Blowable insulation clusters
US7790639B2 (en) * 2005-12-23 2010-09-07 Albany International Corp. Blowable insulation clusters made of natural material
JP6417497B1 (ja) * 2015-09-29 2018-11-07 プリマロフト，インコーポレイテッド 吹き込み可能な綿状物断熱材およびその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2966817D1 (en) * 1979-01-09 1984-04-19 Breveteam Sa Textile fabric and its use
CH625931B (de) * 1979-01-09 1900-01-01 Breveteam Sa Textiles flaechengebilde und dessen verwendung.
US4618531A (en) * 1985-05-15 1986-10-21 E. I. Du Pont De Nemours And Company Polyester fiberfill and process
JPS6037514Y2 (ja) * 1981-07-31 1985-11-08 ハクバ写真産業株式会社 三脚
GB2148706B (en) * 1983-11-04 1986-10-01 Fogarty Plc Improvements in and relating to fillings for articles and filled articles
JPS6221551A (ja) * 1985-07-23 1987-01-29 Matsushita Electric Ind Co Ltd インクジエツト記録ヘツド
US4588635A (en) * 1985-09-26 1986-05-13 Albany International Corp. Synthetic down
CH671011A5 (fr) * 1986-08-29 1989-07-31 Breveteam Sa
CH676358A5 (fr) * 1986-08-29 1991-01-15 Breveteam Sa

Also Published As

Publication number Publication date
EP0354933A1 (fr) 1990-02-21
CH679822B5 (fr) 1992-10-30
CH679822GA3 (fr) 1992-04-30
WO1989006714A1 (fr) 1989-07-27
NO893514D0 (no) 1989-09-01
NO893514L (no) 1989-09-01
DK449589A (da) 1989-09-12
JPH02502932A (ja) 1990-09-13
ATE75266T1 (de) 1992-05-15
DK449589D0 (da) 1989-09-12
US5080964A (en) 1992-01-14
CA1308246C (fr) 1992-10-06
DE3870447D1 (de) 1992-05-27

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