DE1560662B2 - Process for the production of a Wirrfa nonwoven - Google Patents
Process for the production of a Wirrfa nonwovenInfo
- Publication number
- DE1560662B2 DE1560662B2 DE1560662A DE1560662A DE1560662B2 DE 1560662 B2 DE1560662 B2 DE 1560662B2 DE 1560662 A DE1560662 A DE 1560662A DE 1560662 A DE1560662 A DE 1560662A DE 1560662 B2 DE1560662 B2 DE 1560662B2
- Authority
- DE
- Germany
- Prior art keywords
- fibers
- nonwoven fabric
- binding fibers
- binding
- fleece
- 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.)
- Granted
Links
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
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
- D04H1/06—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres by treatment to produce shrinking, swelling, crimping or curling of fibres
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/549—Polyamides
-
- 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
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23943—Flock surface
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2904—Staple length fiber
- Y10T428/2909—Nonlinear [e.g., crimped, coiled, etc.]
-
- 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.]
- Y10T442/635—Synthetic polymeric strand or fiber material
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
Description
Es ist bekannt, zur Herstellung eines Wirrfaservliesstoffes kurze Längen von Fasern zu einem Faservlies "zusammenzufassen." So wird beispielsweise in der USA.-Patentschrift .2 920 679 ein Verfahren zur Herstellung eines Faservlieses beschrieben, bei dem die Fasern in einem elektrostatischen Feld aufgeladen und dann zu einem Vlies abgelegt werden, indem die aufgeladenen Fasern einer elektrischen Ladung entgegengesetzter Polarität ausgesetzt werden. Die so abgelegten Fasern können dann durch Aufbringen eines durch Wärmeeinwirkung klebrig werdenden Bindemittels zu einem Wirrfaseryliesstoff gebunden werden.It is known to produce a tangled nonwoven fabric short lengths of fibers to a Nonwoven "to be summarized." For example in US Pat. No. 2,920,679 describes a process for producing a nonwoven fabric where the fibers are charged in an electrostatic field and then laid down to form a fleece, by exposing the charged fibers to an electrical charge of opposite polarity. The fibers deposited in this way can then become tacky due to the application of a heat effect binding agent to be bound to a tangled nonwoven fabric.
Es sind auch verschiedene Verfahren vorgeschlagen worden zum innigen Verbinden der Fasern eines Faservlieses; um einen Wirrfaservliesstoff mit einem gewissen Grad der Festigkeit zu ergeben. So beschreibt beispielsweise die französische Patentschrift 1 108 826 einen Wirrfaservliesstoff, der dadurch verfestigt worden ist, daß eine Kräuselung oder Schrumpfung von potentiell schrumpf baren oder kräuselbaren Fasern in dem Faservlies herbeigeführt wird. Solche Fasern können beispielsweise potentiell kräuselbare zusammengesetzte " oder Heterofasern sein, wie sie in, ,de7r ,ySA.-Patentschrift 3 03.9 524. beschrieben sind.'Der Charakter des Wirrfaservliesstoffes wird hierdurch jedoch grundsätzlich geändert, indem der Vliesstoff an sich verfestigt und versteift wird, was in vielen Fällen nicht erwünscht ist.Various methods have also been proposed for intimately joining the fibers of a nonwoven fabric; to give a tangled nonwoven fabric with a certain degree of strength. For example, French patent specification 1 108 826 describes a random fiber nonwoven fabric which has been consolidated by causing crimping or shrinkage of potentially shrinkable or crimpable fibers in the nonwoven fabric. Such fibers may, for example, potentially crimpable composite "or hetero fibers be as r in, de 7, ySA. Patent 3 03.9 524 described sind.'Der character of the random-fiber nonwoven fabric, however, thereby fundamentally changed by solidifying the nonwoven fabric per se and is stiffened, which is not desirable in many cases.
Die Verwendung von chemischen Bindemitteln für die Fasern ist ebenfalls nicht in allen Fällen geeignet, da auch hierdurch die Eigenschaften des endgültigen Textilproduktes grundsätzlich verändert werden. Solche Bindemittel verteilen sich nämlich durch das ganze Faservlies hindurch, wodurch das Endprodukt einen harten Griff erhält und steif wird. In ähnlicher Weise wird auch mit Fasern, die in situ eine Kräuselung entwickeln, der Charakter der Fasern und daher auch des Textilproduktes bei der nachfolgenden Bindebehandlung grundlegend verändert, so daß die Eigenschaften des endgültigen Textilproduktes nicht voraussehbar sind. Es besteht daher das dringende Bedürfnis nach einem Verfahren zur Herstellung eines Wirrfaservliesstoffes, bei dem die physikalischen Eigenschaften des Faservlieses nicht grundlegend verändert werden, bis auf die, daß eine Erhöhung der Reißfestigkeit derselben herbeigeführt wird.The use of chemical binders for the fibers is also not in all cases suitable because this also fundamentally changes the properties of the final textile product will. Such binders distribute themselves through the entire fiber fleece, whereby the End product gets a hard grip and becomes stiff. Similarly, it is also done with fibers that are in situ develop a crimp, the character of the fibers and therefore also of the textile product in the subsequent binding treatment fundamentally changed, so that the properties of the final Textile product cannot be foreseen. There is therefore an urgent need for a method for the production of a random fiber nonwoven fabric, in which the physical properties of the fiber nonwoven are not fundamentally changed, except that an increase in the tensile strength of the same is brought about.
ίο Die Erfindung betrifft nunmehr ein Verfahren zur Herstellung eines Wirrfaservliesstoffes, bei dem in das lose Faservlies ein bestimmter Anteil an kurzen Bindefasern eingebracht wird und durch Auslösung der Kräuselung der Bindefasern eine Vliesverfestigung erreicht wird. Das Neue der Erfindung besteht hierbei darin, daß als Bindefasern potentiell kräuselbare, auf eine Länge von nicht mehr als 6,4 mm geschnittene Heterofäden mit einer potentiell klebfähigen Komponente verwendet werden und diese unter Einwirkung von elektrostatischen Kräften in das Faservlies eingearbeitet werden, daß dann das Vlies noch unter Einwirkung des elektrostatischen Feldes mit einer isolierten Walze gewalzt wird, anschließend eine Behandlung zwecks Kräuselung der Fasern erfolgt und die potentiell klebfähige Komponente der Bindefasern durch die gleiche oder eine nachfolgende Behandlung klebfähig gemacht wird.ίο The invention now relates to a method for the production of a random fiber nonwoven fabric, in which a certain proportion of short fibers is in the loose fiber nonwoven fabric Binding fibers is introduced and by triggering the crimping of the binding fibers, a web consolidation is achieved. The novelty of the invention consists in the potential as binding fibers crimpable hetero threads cut to a length of not more than 6.4 mm with a potential adhesive component are used and these under the action of electrostatic forces are incorporated into the fiber fleece, so that the fleece is still under the action of the electrostatic Field is rolled with an insulated roller, then a treatment for the purpose of curling the fibers takes place and the potentially adhesive component of the binding fibers by the same or a subsequent treatment is made adhesive.
Die Bindefasern, welche nach der Einwirkung durch das elektrostatische Feld und Behandlung mit der isolierten Walze noch nicht ausreichend in das Faservlies eingedrungen sind, können durch einen Vakuumextraktor von dem Faservlies entfernt werden, bevor dieses weiterbehandelt wird.The binding fibers, which after exposure to the electrostatic field and treatment with of the insulated roller have not yet penetrated sufficiently into the nonwoven fabric, can through a Vacuum extractor must be removed from the nonwoven fabric before this is further treated.
Die Festigkeit des nach der Erfindung hergestellten Wirrfaservliesstoffes kann noch dadurch erhöht werden, daß die Bindefasern von beiden Seiten des Faservlieses in dieses eingearbeitet werden.The strength of the tangled fiber nonwoven fabric produced according to the invention can be increased as a result that the binding fibers are incorporated into the nonwoven from both sides.
Die Erfindung wird nun an Hand der folgenden Beispiele näher erläutert.The invention will now be explained in more detail with reference to the following examples.
Ein kardiertes offenes Faservlies aus Polyhexamethylenadipamidstapelfasern von 38 mm Länge, welches ein Gewicht von 113,4g je 0,836 m2 hat, wird auf die geerdete Arbeitsfläche einer herkömmlichen Flockierungsvorrichtung aufgebracht, und zwar unter einen Bindefasern enthaltenden Behälter, welcher ein Sieb und eine Bürste aufweist, die von einer Hochspannungsquelle von 110 kV aufgeladen wird. Die Vorrichtung ist weiterhin mit einer Walze und einem Vakuumextraktor versehen. Die Binde-A carded open fiber fleece made of polyhexamethylene adipamide staple fibers of 38 mm length, which has a weight of 113.4 g per 0.836 m 2 , is applied to the earthed work surface of a conventional flaking device, namely under a container containing binding fibers, which has a sieve and a brush, which is charged by a high voltage source of 110 kV. The device is further provided with a roller and a vacuum extractor. The bandage-
■ ' fasern bestehen bei diesem Versuch aus Stapelfasern . .von 3 mm Länge, die .,aus Heterofäden geschnitten sind, welche sich aus Nylon-66 und Nylon-66/6 (80/20) Mischpolymerbestandteilen zusammensetzen, die in einem Seite-an-Seite-Verhältnis vorliegen.In this experiment, fibers consist of staple fibers . .of 3 mm in length, the., cut from hetero threads are composed of nylon-66 and nylon-66/6 (80/20) composed of interpolymer ingredients that are in a side-by-side ratio.
Die Bindefasern. werden dem Sieb zugeführt, durch die Bürsten gleichmäßig verteilt, in das zwisehen dem aufgeladenen Behälter und der geerdeten Arbeitsfläche elektrische Spannungsfeld fallengelassen und in das Faservlies geschleudert.The binding fibers. are fed to the sieve, distributed evenly by the brushes, into the zwisehen the charged container and the earthed work surface are released from the electrical voltage field and thrown into the non-woven fabric.
Die Bahn wird dann unter Verwendung einer isolierten Walze gewalzt, während sie sich unter dem Einfluß des elektrischen Feldes befindet, um die Fasern noch weiter in die Bahn eindringen zu lassen. Bindefasern, die hierbei nicht in die Faservliesbahn eingedrungen sind, werden mit Hilfe des Vakuum-The web is then rolled using an insulated roller while it is under the Influence of the electric field is to allow the fibers to penetrate even further into the web. Binding fibers that have not penetrated the nonwoven web are removed with the help of the vacuum
extraktors entfernt. Eine Prüfung des Wirrfaservliesstoffes bei dieser Verfahrensstufe zeigt, daß die Bindefasern innerhalb des Faservlieses in einer Richtung orientiert sind, die praktisch senkrecht zur Ebene der Bahn verläuft.extractor removed. An examination of the random fiber nonwoven fabric at this stage of the process shows that the Binding fibers are oriented within the nonwoven fabric in a direction that is practically perpendicular to Level of the train runs.
Die Faservliesbahn wird 3 Minuten in siedendes Wasser getaucht, um die Bindefasern zu kräuseln und in dem Faservlies zu verschlingen. Die gekräuselten Bindefasern besitzen eine Kräuselungsfrequenz von etwa 25 je 25,4 mm Länge. Bei dieser Verfahrensstufe besitzt der Wirrfaservliesstoff eine gewisse Festigkeit, dank des mechanischen Bindeffekts der gekräuselten Bindefasern in der Bahn, aber beim Handhaben neigt er dazu, die Bindefasern wieder abzugeben. Um die Bindefasern fest in der Bahn zu binden, wird daher der Textilstoff in einem Ofen 2 Minuten unter einer sauerstofffreien Atmosphäre auf 250° C erhitzt, so daß die niedrigschmelzende Komponente der Bindefasern klebrig und in dem Faservlies verankert wird, so daß ein eine gute Reißfestigkeit aufweisender Wirrfaservliesstoff erhalten wird. Dieser enthält etwa 15 Gewichtsprozent Bindefasern, besitzt einen weichen Griff, guten Faltenwurf und eine Reißfestigkeit von ungefähr 0,2 g je Denier.The nonwoven web is immersed in boiling water for 3 minutes to curl the binding fibers and to entwine in the nonwoven fabric. The crimped binder fibers have a crimp frequency of about 25 each 25.4 mm in length. At this stage of the process, the random fiber nonwoven has a certain amount Strength, thanks to the mechanical binding effect of the crimped binding fibers in the web, but at the When handling, it tends to release the binding fibers again. To keep the binding fibers firmly in place To bind, the fabric is therefore placed in an oven for 2 minutes under an oxygen-free atmosphere heated to 250 ° C, so that the low-melting component of the binding fibers sticky and in the Nonwoven fabric is anchored so that a random fiber nonwoven fabric exhibiting good tear resistance is obtained will. This contains about 15 percent by weight of binding fibers, has a soft handle, good folds and a tenacity of about 0.2 grams per denier.
Das Verfahren von Beispiel 1 wurde wiederholt, wobei Wirrfaservliesstoffe mit verschiedenen Prozentgehalten an Bindefasern hergestellt wurden. Der Prozentgehalt an Bindefasern in dem Wirrfaservliesstoff sowie die Reißfestigkeit desselben sind in der Tabelle angegeben.The procedure of Example 1 was repeated, with random fiber nonwovens having different percentages on binding fibers. The percentage of binder fibers in the tangled nonwoven fabric and its tear strength are given in the table.
an Bindefasern
im ProduktPercentage
of binding fibers
in the product
in g/DenierTear resistance
in g / denier
36
45
50
6830th
36
45
50
68
32 300
31950
42 900
73 80024 700
32 300
31950
42 900
73 800
0,14
0,13
0,13
0,160.15
0.14
0.13
0.13
0.16
Wirrfaservliesstoffe, welche mehr als ungefähr 45% Bindefasern enthalten, besitzen einen rauhen Griff und verhältnismäßig schlechten Faltenwurf.Random fiber nonwovens which contain more than about 45% binding fibers have a rough texture Handle and relatively poor folds.
Die Bindefasern aus Heterofäden können nicht nur durch Eintauchen in siedendes Wasser, sondern auch mit Hilfe, anderer Mittel gekräuselt werden, so können sie einer Dampfbehandlung, trockener Hitze oder einer chemischen Behandlung unterworfen werden. Wenn überhitzter Dampf verwendet wird und die potentiell klebende Komponente des Heterofadens einen ausreichend niedrigen Schmelzpunkt aufweist, so können die Kräuselungs- und Verklebungsstufen gleichzeitig ausgeführt werden.The binding fibers made of hetero threads can not only be immersed in boiling water, but They can also be curled with the help of other means, so they can be steamed, dry heat or subjected to chemical treatment. When using superheated steam and the potentially adhesive component of the heterofilament has a sufficiently low melting point the crimping and gluing steps can be carried out simultaneously.
Abwandlungen im Griff und des Oberflächeneffektes eines Wirrfaservliesstoffes können durch Anwendung anderer Verfahren, wie z. B. Nadelstecken des Faservlieses, in das die Bindefasern eingearbeitet sind, vor dem Verbindevorgang erhalten werden.Modifications in the handle and the surface effect of a random fiber nonwoven can be achieved by Use of other methods, such as B. needle sticking of the nonwoven fabric into which the binding fibers are incorporated are obtained before the joining process.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3744163A GB1034207A (en) | 1963-09-24 | 1963-09-24 | Improvements in or relating to nonwoven fabrics and the method of manufacture thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1560662A1 DE1560662A1 (en) | 1969-10-02 |
| DE1560662B2 true DE1560662B2 (en) | 1974-01-24 |
| DE1560662C3 DE1560662C3 (en) | 1974-08-22 |
Family
ID=10396498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1560662A Expired DE1560662C3 (en) | 1963-09-24 | 1964-09-23 | Process for the production of a random fiber nonwoven |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3377232A (en) |
| BE (1) | BE653203A (en) |
| DE (1) | DE1560662C3 (en) |
| GB (1) | GB1034207A (en) |
| LU (1) | LU46984A1 (en) |
| NL (1) | NL146232B (en) |
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|---|---|---|---|---|
| JPS5246181A (en) * | 1975-10-08 | 1977-04-12 | Toyo Boseki | Manufacture of unwoven fabrics |
| US5382400A (en) * | 1992-08-21 | 1995-01-17 | Kimberly-Clark Corporation | Nonwoven multicomponent polymeric fabric and method for making same |
| US5336552A (en) * | 1992-08-26 | 1994-08-09 | Kimberly-Clark Corporation | Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and ethylene alkyl acrylate copolymer |
| US5405682A (en) * | 1992-08-26 | 1995-04-11 | Kimberly Clark Corporation | Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and elastomeric thermoplastic material |
| CA2092604A1 (en) * | 1992-11-12 | 1994-05-13 | Richard Swee-Chye Yeo | Hydrophilic, multicomponent polymeric strands and nonwoven fabrics made therewith |
| US5482772A (en) | 1992-12-28 | 1996-01-09 | Kimberly-Clark Corporation | Polymeric strands including a propylene polymer composition and nonwoven fabric and articles made therewith |
| DE10035679A1 (en) * | 2000-07-21 | 2002-01-31 | Inst Neue Mat Gemein Gmbh | Nanoscale corundum powder, sintered bodies made therefrom and process for their production |
| US7344769B1 (en) | 2000-07-24 | 2008-03-18 | High Voltage Graphics, Inc. | Flocked transfer and article of manufacture including the flocked transfer |
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| US20100143669A1 (en) * | 2008-12-04 | 2010-06-10 | High Voltage Graphics, Inc. | Sublimation dye printed textile design having metallic appearance and article of manufacture thereof |
| WO2010094044A1 (en) * | 2009-02-16 | 2010-08-19 | High Voltage Graphics, Inc. | Flocked stretchable design or transfer including thermoplastic film and method for making the same |
| US20100316832A1 (en) * | 2009-04-10 | 2010-12-16 | High Voltage Graphics, Inc. | Flocked article having a woven insert and method for making the same |
| US9175436B2 (en) * | 2010-03-12 | 2015-11-03 | High Voltage Graphics, Inc. | Flocked articles having a resistance to splitting and methods for making the same |
| CN104837645A (en) | 2012-10-12 | 2015-08-12 | 高压制图公司 | Flexible heat sealable decorative articles and method for making same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT535256A (en) * | 1954-02-26 | 1900-01-01 | ||
| US3314845A (en) * | 1964-07-23 | 1967-04-18 | Du Pont | Method of flocking and subsequently developing latently crimpable fibers and article produced thereby |
-
1963
- 1963-09-24 GB GB3744163A patent/GB1034207A/en not_active Expired
-
1964
- 1964-09-08 US US39502064 patent/US3377232A/en not_active Expired - Lifetime
- 1964-09-16 NL NL6410771A patent/NL146232B/en unknown
- 1964-09-17 BE BE653203A patent/BE653203A/xx unknown
- 1964-09-19 LU LU46984D patent/LU46984A1/xx unknown
- 1964-09-23 DE DE1560662A patent/DE1560662C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL146232B (en) | 1975-06-16 |
| NL6410771A (en) | 1965-03-25 |
| BE653203A (en) | 1965-03-17 |
| DE1560662A1 (en) | 1969-10-02 |
| US3377232A (en) | 1968-04-09 |
| GB1034207A (en) | 1966-06-29 |
| DE1560662C3 (en) | 1974-08-22 |
| LU46984A1 (en) | 1964-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |