EP0046836B1 - Einlagevliesstoff - Google Patents

Einlagevliesstoff Download PDF

Info

Publication number
EP0046836B1
EP0046836B1 EP19810101776 EP81101776A EP0046836B1 EP 0046836 B1 EP0046836 B1 EP 0046836B1 EP 19810101776 EP19810101776 EP 19810101776 EP 81101776 A EP81101776 A EP 81101776A EP 0046836 B1 EP0046836 B1 EP 0046836B1
Authority
EP
European Patent Office
Prior art keywords
adhesive
needle
needles
nonwoven
interlining
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
Application number
EP19810101776
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0046836A1 (de
Inventor
Jürgen Dr. Knoke
Manfred Jöst
Bohuslav Tecl
Erich Dr. Fahrbach
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to AT81101776T priority Critical patent/ATE9826T1/de
Publication of EP0046836A1 publication Critical patent/EP0046836A1/de
Application granted granted Critical
Publication of EP0046836B1 publication Critical patent/EP0046836B1/de
Expired legal-status Critical Current

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
    • D04H11/00—Non-woven pile fabrics
    • D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking
    • 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
    • D04H1/46—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 needling or like operations to cause entanglement of fibres
    • D04H1/48—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 needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24826—Spot bonds connect components
    • 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.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24843—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] with heat sealable or heat releasable adhesive layer
    • 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]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/666—Mechanically interengaged by needling or impingement of fluid [e.g., gas or liquid stream, etc.]
    • Y10T442/667—Needled
    • 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]
    • Y10T442/69—Autogenously bonded nonwoven fabric

Definitions

  • the invention relates to an interlining nonwoven.
  • Interlining nonwovens have long been used alongside interlining fabrics and interlining fabrics in the clothing industry. Iron-on interlining nonwovens have proven particularly useful, one or both surfaces being provided with an adhesive pattern. In the case of nonwovens bonded with binding fibers, spot-welded nonwovens are preferred and nonwoven weights between about 30 to 50 g / m 2 without adhesive. In the case of heavier spot-welded nonwovens, an insufficient volume and a somewhat too firm grip are generally achieved.
  • the invention is based on the object of developing an interlining nonwoven fabric which does not interfere with the properties of the outer fabric and, in particular, should be capable of being draped.
  • This interlining nonwoven is also said to be washable and cleanable.
  • an interlining nonwoven fabric consisting of staple and / or continuous fibers, which is consolidated with the aid of adhesives and / or thermoplastic softenable binding fibers and is provided on one or both sides with an adhesive pattern on the surface, the nonwoven fabric covering its entire cross section is solidified and after the solidification one or both sides with barbed felting needles at about 20 to 100 punctures / cm 2 is needled in such a way that it has a fluffy surface on the puncture side, with the adhesive on the puncture side in the case of one-sided needling is printed or powdered.
  • Cross-laid nonwovens are particularly suitable as the basic nonwovens.
  • longitudinally laid nonwovens made of staple and / or continuous fibers or wetlaid nonwovens are also suitable. It is surprising that an interlining nonwoven fabric which is strengthened in a known manner by binding fibers or binders has the desired fluffy and voluminous properties if it is needled in the manner proposed according to the invention. This effect was not to be expected because well-known, pre-needled nonwovens are relatively hard and stiff. Pre-needled and then consolidated nonwovens are z. B. used as needle felt floor coverings or as support materials for synthetic leather. Needling reduces the softness and volume of the raw material.
  • the interlining material according to the invention is said to be needled after solidification, which surprisingly leads to the opposite effect to the known needle felt.
  • Interlining nonwovens which are bound to known binders with 5 to 30% by weight, based on the weight of the fibers, have proven successful.
  • Polyacrylic ester dispersions, polyurethane binders or silicone rubber binders can be used as binders. Binder additions of 10 to 20% by weight, based on the weight of the fibers, are often desired.
  • homofil fibers but preferably bicomponent fibers, can be used.
  • Nylon 6, copolyester or bicomponent fibers made of nylon 66/6 or polyethylene terephthalate / copolyester are particularly suitable.
  • the binder fibers can make up 10 to 100% by weight of the fiber mixture.
  • Usual fully synthetic fibers such as polyesters, polyamides or polyacrylonitrile fibers are suitable as co-fibers.
  • semi-synthetic or natural fibers can also be used.
  • the interlining nonwoven fabric according to the invention is needled on one or both sides after consolidation. It has 20 to 100 punctures / cm 2 .
  • the nonwoven can be refined before or after the needling process, e.g. B. colored.
  • the adhesive pattern is preferably applied subsequently in order to avoid that the adhesive is partially detached in the needle process.
  • the interlining nonwovens according to the invention have a previously unattainable fluffy feel which, surprisingly, is not adversely affected by dry cleaning and washing.
  • the needled products already differ in appearance and in their properties considerably from known interlinings. In particular, however, they differ from those nonwovens that are pre-consolidated with the help of needles before binding. Such nonwovens are not only less economical to produce, they in particular do not have the fluffy and voluminous surface of the interlining nonwoven according to the invention. While the pre-needled nonwovens often show a poorer surface smoothness after ironing and for certain areas of application, e.g. B. can not be used in fine blouses, the needled interlining nonwovens according to the invention are due to their good surface smoothness in all areas where increased demands are made.
  • a fleece is carded on a card with a fiber mixture of 50% polyamide 6, 1.6 dtex, and 50 wt% polyester, 1.7 dtex.
  • This fleece is laid down on a slatted belt by means of cross layers.
  • the weight of the fiber pile is 24 g / m 2.
  • This pile is fed into an impregnation plant and there with a foamed mixture of a polymer dispersion composed of 90% by weight butyl acrylate, 6% by weight acrylonitrile and 4% by weight N-methylolacrylamide. to which some wetting agent and 1 part by weight of solid maleic acid is added, impregnated so that 5 g / m 2 of dry substance are absorbed.
  • the proportion of binder is approximately 21% by weight, based on the weight of the fiber mixture.
  • the width is 1 mm, the winding speed is 11 m / min.
  • This nonwoven is then passed through a needle chair with 2 boards with 5000 needles / m each with 38 gauge and 3 barbs per edge (9 barbs per 3 edges).
  • the stroke is 1000 / min, the insertion depth is 14 mm, all 3 barbs per edge pierce the nonwoven fabric.
  • the throughput speed is 24 m / min, the number of punctures per cm 2 is 38. A fluffy material is created on one side.
  • a copolyamide hot-melt adhesive in dispersion form which is a terpolymer of 25% nylon 6, 25% nylon 66 and 50% nylon 12, are applied to the smooth, non-fluffy surface using the screen printing process.
  • the hot melt adhesive is applied with a 20 mesh scraper, dried and sintered.
  • This nonwoven fabric can be ironed onto an outer fabric made of a polyester-cotton mixture with a plate press at 350mbar, 150 ° C and 10 seconds and results in a very soft, pleasing, relatively full handle for its low weight and good surface smoothness on the top of the fabric. It serves as an iron-on interlining, e.g. B. for poplin fabric, blouse outer fabric, etc.
  • the measurement of the thickness of the nonwoven with adhesive in accordance with DIN standard draft 53855 part 2 resulted in 0.42 mm (thickness without needles 0.30 mm).
  • the measurement of the falling power of the same non-woven fabric laminated according to DIN 54306 resulted in 50.1%.
  • the low drop coefficient shows greater drapability and a softer textile drop capacity than is the case with conventional interlining nonwovens.
  • a fleece is carded on a card with a fiber mixture of 30% nylon 66 with a titer of 1.7 dtex, 20% polyester with a titer of 3.3 dtex and 50% of a core-sheath bicomponent fiber, which is made of 50% nylon 6 and 50% is made of nylon 66 and the titer is also 3.3 dtex.
  • This fleece is placed on a slatted belt by means of cross layers. Then the fleece is calendered with a smooth roller and an engraved roller with dot dimensions of 0.55 - 0.8 - 0.65 mm and 30 dots / cm 2 (dot spacing in the horizontal rows 2.1 mm, in the vertical rows Rows 1.6 mm) welded at a temperature of 225 "C.
  • the outlet speed is 10 m / min, the weight of the calendered nonwoven 60 g / m 2.
  • the width is 1 m, the contact pressure of the rollers 500 N / cm.
  • This Nonwoven fabric is then passed through a needle chair with 2 boards with 5000 needles / m each with 40 gauge and 3 barbs per edge (9 barbs per 3 edges)
  • the stroke is 1000 / min, the penetration depth is 14 mm, every 3 Barbs per edge pierce the nonwoven fabric.
  • the throughput speed is 24 m / min, the number of punctures per cm 2 is 38.
  • the hot-melt adhesive is applied in a dot shape, the dot diameter being 0.90 mm and 30 dots statistically distributed over one cm 2 , and then dried and sintered.
  • This nonwoven fabric can be ironed with a plate press at 35 KPa, 150 ° C and 10 seconds on an outer fabric made of 65/35 polyester cotton and gives a very soft, pleasant full grip. It serves as an iron-on interlining for coats, costumes, men's jackets and others
  • a nonwoven fabric is produced as in Example 2 without being subjected to the post-needling procedure according to the invention. It is harder, flatter and less drapable than the comparison sample according to Example 2 and the fluffy character of the surface is also missing.
  • the laminate ironed with the outer fabric PE / BW 65:35 also has a much flatter and firmer grip than in example 2.
  • a fleece of the same composition as in Examples 2 and 3 is carded, laid crosswise and needled. The following conditions are selected: 2 needle boards (needled from above), 6 m / min, 700 stroke, 12 mm penetration depth. This fleece is then welded under the same conditions as in Example 2 at 10 m / min in a calender with an engraved and smooth roller at 225 ° and coated in a similar manner as in Example 2 with copolyamide hot melt adhesive.
  • the nonwoven fabric produced in this way is somewhat more restless than that produced according to Examples 2 and 3, but resembles the hard and firm grip of the nonwoven fabric of Example 3 before and after ironing. After ironing with a smooth outer fabric, the surface is significantly more unstable.
  • the low case coefficient shows the softer textile case and the better drapability.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Details Of Garments (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Woven Fabrics (AREA)
  • Laminated Bodies (AREA)
EP19810101776 1980-08-28 1981-03-11 Einlagevliesstoff Expired EP0046836B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81101776T ATE9826T1 (de) 1980-08-28 1981-03-11 Einlagevliesstoff.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803032349 DE3032349A1 (de) 1980-08-28 1980-08-28 Einlagevliesstoff
DE3032349 1980-08-28

Publications (2)

Publication Number Publication Date
EP0046836A1 EP0046836A1 (de) 1982-03-10
EP0046836B1 true EP0046836B1 (de) 1984-10-10

Family

ID=6110535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810101776 Expired EP0046836B1 (de) 1980-08-28 1981-03-11 Einlagevliesstoff

Country Status (6)

Country Link
US (1) US4490425A (enrdf_load_stackoverflow)
EP (1) EP0046836B1 (enrdf_load_stackoverflow)
JP (1) JPS5742951A (enrdf_load_stackoverflow)
AT (1) ATE9826T1 (enrdf_load_stackoverflow)
DE (2) DE3032349A1 (enrdf_load_stackoverflow)
ES (1) ES8301295A1 (enrdf_load_stackoverflow)

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US4818586A (en) * 1986-01-21 1989-04-04 Gates Formed-Fibre Products, Inc. Preferentially needled textile panel and method
JPS6321981A (ja) * 1986-07-11 1988-01-29 日東紡績株式会社 接着芯地およびその製造方法
US4840832A (en) * 1987-06-23 1989-06-20 Collins & Aikman Corporation Molded automobile headliner
FR2637919B1 (fr) * 1988-10-14 1991-06-28 Picardie Lainiere Textile composite anti-feu impermeable vetement et siege comportant un tel textile
US4920000A (en) * 1989-04-28 1990-04-24 E. I. Du Pont De Nemours And Company Blend of cotton, nylon and heat-resistant fibers
ATE123537T1 (de) * 1989-08-10 1995-06-15 Du Pont Mischung aus baumwolle, nylon und nichtentflammbaren fasern.
FR2673207B1 (fr) * 1991-02-25 1994-07-22 Picardie Lainiere Doublure composite anti-feu de vetement.
US5631073A (en) * 1992-02-03 1997-05-20 Minnesota Mining And Manufacturing Company Nonwoven sheet materials, tapes and methods
US5679190A (en) * 1992-02-03 1997-10-21 Minnesota Mining And Manufacturing Company Method of making nonwoven sheet materials, tapes
US5496603A (en) * 1992-02-03 1996-03-05 Minnesota Mining And Manufacturing Company Nonwoven sheet materials, tapes and methods
US5336562A (en) * 1992-02-28 1994-08-09 Pavco S.A. Polyolefin yarns with good performance for rugs and carpets and method of producing the same
US5294479A (en) * 1992-08-03 1994-03-15 Precision Custom Coatings, Inc. Non-woven interlining
FR2711151B1 (fr) * 1993-10-11 1996-01-05 Picardie Lainiere Support pour entoilage comportant une nappe de fibres entremêlées dans des fils de trame et son procédé de fabrication.
US5613942A (en) * 1994-10-04 1997-03-25 Minnesota Mining And Manufacturing Company Adhesive sheet material suitable for use on wet surfaces
JP3877842B2 (ja) * 1997-03-05 2007-02-07 ユニチカ株式会社 面ファスナー用雌材の製造方法
US6869659B2 (en) 1997-09-03 2005-03-22 Velcro Industries B.V. Fastener loop material, its manufacture, and products incorporating the material
US6342285B1 (en) 1997-09-03 2002-01-29 Velcro Industries B.V. Fastener loop material, its manufacture, and products incorporating the material
US6329016B1 (en) * 1997-09-03 2001-12-11 Velcro Industries B.V. Loop material for touch fastening
GB2333741B (en) 1998-01-30 2002-09-04 Jason Inc Vehicle headliner and laminate therefor
ES2272073T3 (es) 1999-06-18 2007-04-16 3M Innovative Properties Company Laminas no tejidas, articulos adhesivos y metodos para fabricar los mismos.
DE29922950U1 (de) * 1999-12-29 2001-05-10 Coroplast Fritz Müller GmbH & Co. KG, 42279 Wuppertal Textiles Klebeband
WO2001067911A2 (en) 2000-03-14 2001-09-20 Velcro Industries B.V. Hook and loop fastening
US6497266B1 (en) 2000-06-14 2002-12-24 Newell Window Furnishings Window covering slat
US6354353B1 (en) 2000-06-14 2002-03-12 Newell Window Furnishings, Inc. Door and window coverings employing longitudinally rigid vanes
US6598650B1 (en) 2000-06-14 2003-07-29 Newell Window Furnishings, Inc. Hollow, rigid vanes for door and window coverings
ES2291509T3 (es) * 2001-06-12 2008-03-01 Velcro Industries B.V. Materiales de bucle para cierre por contacto.
US20030196250A1 (en) * 2002-04-19 2003-10-23 Moshe Gadot Item of apparel
US7263726B2 (en) * 2002-04-19 2007-09-04 Moshe Gadot Jacket suitable for machine washing and tumble drying
US6921569B2 (en) * 2002-11-20 2005-07-26 Outside The Box, Inc. Soft, durable nonwoven napped fabric
US7547469B2 (en) * 2002-12-03 2009-06-16 Velcro Industries B.V. Forming loop materials
US20050196580A1 (en) * 2002-12-03 2005-09-08 Provost George A. Loop materials
ES2302974T3 (es) 2002-12-03 2008-08-01 Velcro Industries B.V. Perforacion con aguja a traves de laminas de soporte para formar bucles.
US7465366B2 (en) 2002-12-03 2008-12-16 Velero Industries B.V. Needling loops into carrier sheets
US20050217092A1 (en) * 2002-12-03 2005-10-06 Barker James R Anchoring loops of fibers needled into a carrier sheet
US8753459B2 (en) 2002-12-03 2014-06-17 Velcro Industries B.V. Needling loops into carrier sheets
US20050208858A1 (en) * 2003-01-02 2005-09-22 Outside The Box, Inc. Soft, durable nonwoven napped fabric
ZA200601215B (en) * 2003-08-25 2007-05-30 Takayasu Co Ltd Sound absorbing material
GB0409253D0 (en) * 2004-04-26 2004-05-26 Lewmar Ltd Winch and winch drum
US7562426B2 (en) 2005-04-08 2009-07-21 Velcro Industries B.V. Needling loops into carrier sheets
WO2008154300A1 (en) 2007-06-07 2008-12-18 Velcro Industries B.V. Anchoring loops of fibers needled into a carrier sheet
US9078793B2 (en) 2011-08-25 2015-07-14 Velcro Industries B.V. Hook-engageable loop fasteners and related systems and methods
EP2747594B1 (en) 2011-08-25 2015-08-26 Velcro Industries B.V. Loop-engageable fasteners and related systems and methods

Citations (1)

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Publication number Priority date Publication date Assignee Title
FR1226063A (fr) * 1958-08-04 1960-07-08 étoffe fibreuse ressemblant au feutre et son procédé de fabrication

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JPS5335622B2 (enrdf_load_stackoverflow) * 1971-11-09 1978-09-28
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DE2306416A1 (de) * 1973-02-09 1974-08-15 Dilo Kg Maschf Oskar Nadelmaschine zum herstellen von nadelfilzen
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JPS5335622A (en) * 1976-09-16 1978-04-03 Hitachi Ltd Method and apparatus to regenerate used cast sand
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Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226063A (fr) * 1958-08-04 1960-07-08 étoffe fibreuse ressemblant au feutre et son procédé de fabrication

Also Published As

Publication number Publication date
DE3166543D1 (en) 1984-11-15
EP0046836A1 (de) 1982-03-10
ES505054A0 (es) 1982-12-01
US4490425A (en) 1984-12-25
ES8301295A1 (es) 1982-12-01
JPS633993B2 (enrdf_load_stackoverflow) 1988-01-27
DE3032349A1 (de) 1982-03-04
JPS5742951A (en) 1982-03-10
ATE9826T1 (de) 1984-10-15

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