EP1806444A1 - Aiguille à feutrer - Google Patents

Aiguille à feutrer Download PDF

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Publication number
EP1806444A1
EP1806444A1 EP05028503A EP05028503A EP1806444A1 EP 1806444 A1 EP1806444 A1 EP 1806444A1 EP 05028503 A EP05028503 A EP 05028503A EP 05028503 A EP05028503 A EP 05028503A EP 1806444 A1 EP1806444 A1 EP 1806444A1
Authority
EP
European Patent Office
Prior art keywords
notches
felting needle
needle according
section
edges
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
Application number
EP05028503A
Other languages
German (de)
English (en)
Other versions
EP1806444B1 (fr
Inventor
Frank Falk
Jürgen Weith
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.)
Groz Beckert KG
Original Assignee
Groz Beckert 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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to DE502005007017T priority Critical patent/DE502005007017D1/de
Priority to ES05028503T priority patent/ES2322159T3/es
Priority to EP05028503A priority patent/EP1806444B1/fr
Priority to KR1020060132723A priority patent/KR100838509B1/ko
Priority to JP2006349294A priority patent/JP4496207B2/ja
Priority to CN2006101724082A priority patent/CN1990931B/zh
Priority to TW095148863A priority patent/TWI321175B/zh
Priority to US11/645,703 priority patent/US7246418B2/en
Publication of EP1806444A1 publication Critical patent/EP1806444A1/fr
Application granted granted Critical
Publication of EP1806444B1 publication Critical patent/EP1806444B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D04H18/00—Needling machines
    • D04H18/02—Needling machines with needles
    • 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
    • D04H17/00—Felting apparatus

Definitions

  • the invention relates to a felting needle.
  • suitable felting needles are from the DE 21 01 769 A1 known.
  • This document discloses both felting needles with a straight working part and with a helically wound working part.
  • the working part extends along a straight central axis and has a triangular or quadrangular cross-section. The edges of the working part are notched.
  • the nonwoven fabric to be compacted by the felt needles can consist, for example, of a plurality of layers of nonwoven fibrous web in which the fibers each have a preferred direction. If such a batt with the straight felt needles according to DE 21 01 769 A1 compacted, arise in the longitudinal and transverse direction usually different tear strengths. This is undesirable. Become from the DE 21 01 769 A1 known felting needles used with twisted working part, caused by the distortion of the working part larger stitch holes and a lower efficiency of the needling process.
  • the felting needle according to the invention has a working part with notches which divides into at least two subsections is. Both sections have edges with notches, wherein the edges are oriented at least in the region of their notches substantially parallel to the longitudinal direction of the working part.
  • the notches as is the case with an undiluted felting needle, oriented in the piercing direction (or even against the same), whereby they capture the largest possible amount of fiber during piercing and thus contribute effectively to the needling process.
  • the working part is twisted or twisted about the longitudinal axis. As a result, notches sitting on the same edge do not align with each other. They capture different fiber groups during penetration, which significantly increases needling efficiency.
  • the two sections are each formed straight and unbroken.
  • the added to the working part twisting or rotation is thus limited to a short twisted section. Therefore, the otherwise generally along their entire working part helically wound workpieces tendency to guide fibers around the stitch hole and widen the needle hole, not to observe here. Rather, an effective in all surface directions needling and thus a fleece with high longitudinal and transverse tear strength. In particular, an approximation of the values of transverse tear resistance and longitudinal tear resistance to each other is to be established.
  • the felting needle according to the invention is particularly suitable for the production of nonwoven fabric or felt from a multilayered directional pile fabric. However, it can also serve for the needling of random fiber layers which have no pronounced fiber orientation. Such fiber fabrics are often referred to as "batt".
  • each section of the working part has at least one and in the preferred embodiment exactly one notch ring.
  • each edge of the subsection of the working part is provided with exactly one notch.
  • three notches result at the partial section.
  • These notches are arranged at the same height or, as is preferred, axially offset from one another.
  • the axial offset of two notches of adjacent edges is preferably about 3 mm to 4 mm, preferably 3.18 mm.
  • the notches are preferably arranged on a helix. Other arrangements are possible.
  • the distance between the two sections, which preferably each have a notch ring, the working part and spaced by the twisted section is preferably larger. In the preferred case, it is 6 mm to 7 mm, preferably 6.36 mm.
  • the two serrated notches, i. those notches of the notched rings of the sections that come closest are preferably formed on different edges of the working part. This increases the needling efficiency and additionally equalizes the transverse and longitudinal tear strength of the produced nonwoven fabric.
  • the notched rings of the two sections may be on the same or on different helical lines.
  • the helices may have different pitches, different turns directions or even a slope, which is preferred.
  • the felt needle according to the invention is preferably twisted in its twisted portion at an angle about the longitudinal axis which is equal to 360 ° divided by the product ausder Number of sections and the number of edges of each section is.
  • a rotation of 40 ° for a felting needle with three sections and triangular cross-section results with this formula.
  • a twist angle of 45 ° results.
  • FIG. 1 illustrates a system for the production of needled felts or nonwoven fabrics made of fibrous webs.
  • To the plant include a so-called carding 1 with multiple rollers to produce a longitudinal directional layer batt 2 by appropriate processing of fiber flakes 3.
  • the carding 1 parallelome., Mechanically cleans and refines the fibers of the fiber flakes and assigns them to a batt. This is transferred to a conveyor belt 4, which leads the batt to a crossbeam or cross-stacker 5.
  • the transverse layer 5 produces a stack 6 consisting of several layers, the individual layers being formed by directional layer batt. The superimposed layers have different orientations.
  • the stack 6 is fed to a needle felting machine 7, which contains a needle board 8 with felting needles 9. These are, as indicated by arrows 10, moved synchronously up and down and thus pierce repeatedly through the stack to solidify it into a felt or nonwoven fabric.
  • the peculiarity of this system lies in the formation of the felting needles 9.
  • a felting needle 9 is illustrated by way of example in FIG.
  • the felting needle 9 has a fastening section (not shown further above), from which a e.g. cylindrical shaft 11 extends away.
  • the shaft 11 merges into a working part 12, which is arranged straight and concentric with a longitudinal axis 14 passing through its tip 13.
  • the shaft 11 is arranged concentrically to the longitudinal axis 14.
  • the section 15 consists of at least two sections 15, 16, which adjoin one another via a twisted region 17 (twisting area). While the tip 13 is formed on the section 16, the section 15 adjoins the shaft 11, preferably having a smaller cross-section than the latter.
  • FIG. 3 illustrates the sections 15, 16 and the intermediate region 17 in perspective.
  • both sections 15, 16 have matching and in the exemplary embodiment triangular cross sections.
  • the cross sections may also be deviated, for example in the form of bi-, quadrilateral or polygonal cross sections, star cross sections and so on.
  • the working part 12 has three continuous edges 18, 19, 20 in the embodiment according to FIG.
  • the edge 18 extends as an edge 18a through the section 15, as an edge 18b through the area 17 and as an edge 18c over the section 16.
  • the edges 19 and 20 extend as edges 19a to 19c and 20a to 20c over the length of Working parts 12.
  • the edges 18a, 19a, 20a are preferably straight and arranged parallel to the longitudinal axis 14.
  • the edges 18 c, 19 c, 20 c are preferably formed straight and arranged parallel to the central axis 14.
  • the edges 18b, 19b, 20b each follow helices, in this case a left-hand screw. To illustrate the resulting distortion, reference is made to FIG. The representation of the twisting region has been omitted in FIG.
  • edges 18a, 18c, 19a, 19c, 20a, 20c are arranged in pairs offset from each other.
  • the twist angle is calculated as the quotient of 360 ° and the product of the number of sections 15, 16 (which is two here) and the number of edges 18, 19, 20 (which is three here). The twist angle is thus 60 °.
  • the edges 18c, 19c, 20c are exactly centered between the distances of the edges 18a and 19a, 18a and 20a and 19a, 20a.
  • At the portion 16 of the working part 12 at least one notch ring with three notches 21, 22, 23 is provided.
  • at least one notch ring with three notches 24, 25, 26 is provided on the section 15.
  • the notches are preferably in the piercing direction, ie oriented towards the tip 13. Alternatively or additionally, notches oriented in the opposite direction may be provided, which however are not shown.
  • the notches 21 to 26 are located on edges 18 a, 19 a, 20 a and 18 c, 19 c, 20 c, which are oriented parallel to the longitudinal axis 14.
  • the parallelism of the edges 18a, 19a, 20a and 18c, 19c, 20c extends at least over the region comprising the notches 21 to 26.
  • the notches 21 to 26 are oriented parallel to the longitudinal axis 14.
  • the respective notches 24, 25, 26 and 21, 22, 23 are axially offset from each other so that they lie on a helix.
  • the helix has in the embodiment of Figure 3 at the portion 15 and 16 respectively the same winding direction and pitch.
  • the winding direction is opposite to the winding direction of the region 17.
  • the exemplary embodiments according to FIGS. 3 and 4 differ in this respect only by the winding direction of the helix lines defined by the notch rings.
  • the description of the felting needle 9 according to FIG. 3 applies correspondingly to the embodiment according to FIG. 4 and vice versa.
  • each notch ring are preferably arranged at a distance A from one another, which is between 3 mm and 4 mm. It is preferably 3.18 mm.
  • the distance is the distance between the notch beginnings or, alternatively, any other reference point defined for the notches.
  • the notches 23, 24 of the two sections 15, 16 which are closest to one another in the longitudinal direction are arranged at a distance B, which is preferably significantly greater than the length of the area 17 and also greater than the distance A.
  • the distance B is twice as large as the distance A. It is in the preferred case 6.36 mm.
  • a felting needle with the effect of a hexagonal needle is formed, although it is only triangular.
  • the orientation preferably all notches in direction 14 more fibers are detected from several directions than is the case with a pure triangular needle. This has a positive influence on the alignment of the breaking forces of different load directions of the nonwoven fabric.
  • the stitch hole size and fiber damage is minimized. A rounding of fibers around the stitch hole around, as it can be done with rotated working parts, does not occur.
  • the felting needle 9 may have a different working part cross-section, as illustrated in FIG. 6 on the basis of a square working-part cross-section.
  • a stack consisting of different lots and directed fiber layers is slowly moved under the needle board 8 from left to right in FIG.
  • the needle board pierces 8 with his felting needles 9 in quick succession the stack.
  • the felting needles 9 penetrate with their respective tips 13 through the stack, wherein first the notches 21, 22, 23 take fibers and pull down.
  • the twisted region 17 then pierces the material to which the straight section 15 connects with the notches 24, 25, 26. These are offset against the notches of the previous notch ring and thus capture other fibers, which in turn are drawn into the stitch hole for entanglement.
  • the partial section 15 first slides through the needle hole, which is then deformed during the passage of the twisted section 17, whereupon the straight section 16 slides out.
  • the fibers drawn into the stitch hole are incorporated into the other fiber body, which benefits the strength of the nonwoven.
  • the subsections 15, 16, as illustrated in FIG. 5, preferably have matching cross sections Q1, Q2 and thus also equal number of edges 18a, 19a, 20a or 18c, 19c, 20c.
  • the felting needle 9 has a working part 12 with two subsections 15, 16, each of which preferably has straight edges.
  • the two sections are slightly rotated against each other.
  • Each section has at least one notch ring with axially offset from each other arranged notches.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP05028503A 2005-12-27 2005-12-27 Aiguille à feutrer Expired - Fee Related EP1806444B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE502005007017T DE502005007017D1 (de) 2005-12-27 2005-12-27 Filznadel
ES05028503T ES2322159T3 (es) 2005-12-27 2005-12-27 Aguja de fieltrar.
EP05028503A EP1806444B1 (fr) 2005-12-27 2005-12-27 Aiguille à feutrer
KR1020060132723A KR100838509B1 (ko) 2005-12-27 2006-12-22 펠팅 니들
JP2006349294A JP4496207B2 (ja) 2005-12-27 2006-12-26 フェルト針
CN2006101724082A CN1990931B (zh) 2005-12-27 2006-12-26 刺针
TW095148863A TWI321175B (en) 2005-12-27 2006-12-26 Felting needle
US11/645,703 US7246418B2 (en) 2005-12-27 2006-12-27 Felting needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05028503A EP1806444B1 (fr) 2005-12-27 2005-12-27 Aiguille à feutrer

Publications (2)

Publication Number Publication Date
EP1806444A1 true EP1806444A1 (fr) 2007-07-11
EP1806444B1 EP1806444B1 (fr) 2009-04-01

Family

ID=36353685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05028503A Expired - Fee Related EP1806444B1 (fr) 2005-12-27 2005-12-27 Aiguille à feutrer

Country Status (8)

Country Link
US (1) US7246418B2 (fr)
EP (1) EP1806444B1 (fr)
JP (1) JP4496207B2 (fr)
KR (1) KR100838509B1 (fr)
CN (1) CN1990931B (fr)
DE (1) DE502005007017D1 (fr)
ES (1) ES2322159T3 (fr)
TW (1) TWI321175B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100838509B1 (ko) * 2005-12-27 2008-06-17 그로츠-베케르트 카게 펠팅 니들

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009012132A (ja) 2007-07-05 2009-01-22 Denso Wave Inc 多関節型ロボットおよびワーク受け渡し方法
CN101638831B (zh) * 2008-07-30 2011-01-05 青岛锦钻针业有限公司 刺针
EP2218814B1 (fr) * 2009-02-12 2011-05-04 Groz-Beckert KG Aiguille pour une machine textile
CN102817186B (zh) * 2012-08-28 2015-08-19 江苏高博智融科技有限公司 布料无纺针
CN102817185B (zh) * 2012-08-28 2014-12-24 无锡市华润环保设备有限公司 一种无纺针
US10321738B2 (en) 2016-01-19 2019-06-18 Nike, Inc. Footwear with embroidery transition between materials
EP3405059B1 (fr) 2016-01-19 2020-10-28 NIKE Innovate C.V. Chaussure avec transition de feutrage entre matériaux
EP3405056B1 (fr) 2016-01-19 2022-04-20 NIKE Innovate C.V. Chaussures avec transition de broderie entre des matériaux
US10448706B2 (en) 2016-10-18 2019-10-22 Nike, Inc. Systems and methods for manufacturing footwear with felting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US461602A (en) 1891-10-20 Alfred julius boult
DE2101769A1 (en) 1971-01-15 1972-07-20 Sievers, Klaus, 2000 Hamburg Felting needle - with beard nicks at uniform angles after twisting
DD243055A1 (de) * 1985-11-27 1987-02-18 Textiltech Forsch Filznadel zum nachnadeln von textilen flaechengebilden
JPH05214659A (ja) * 1992-02-03 1993-08-24 Organ Needle Co Ltd フェルト製造用針およびその製法

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Publication number Priority date Publication date Assignee Title
US1073140A (en) * 1912-10-14 1913-09-16 Witmer J Kendig Sewing-needle.
US2873507A (en) * 1956-03-06 1959-02-17 Torrington Co Felting needle
US3353243A (en) * 1965-12-15 1967-11-21 Edson P Foster Felting needle
US3566663A (en) * 1967-06-01 1971-03-02 Singer Co Felting needle
US3479708A (en) * 1968-05-15 1969-11-25 Edson P Foster Felting needle
US3645222A (en) * 1970-09-24 1972-02-29 Singer Co Self-threading sewing machine needle
US3727276A (en) * 1971-04-06 1973-04-17 E Foster Felting needle
US3753412A (en) * 1971-12-02 1973-08-21 Torrington Co Selectively hardened needles
US3976525A (en) * 1973-08-10 1976-08-24 Fiber Bond Corporation Method of making a needled scouring pad
DE2518066A1 (de) 1975-04-23 1976-11-04 Torrington Gmbh Filznadel
JPS6244092U (fr) 1985-09-02 1987-03-17
JPH0116785Y2 (fr) * 1986-04-12 1989-05-17
CN2066034U (zh) * 1990-03-01 1990-11-21 薛同乐 高断位无应力针刺针
CN2075662U (zh) * 1990-09-28 1991-04-24 周彬弟 一种针刺生产用刺针
FR2718758B1 (fr) * 1994-04-18 1996-06-14 Aerospatiale Procédé et machine pour la réalisation d'une armature pour une pièce de matière composite.
JPH0827654A (ja) * 1994-07-07 1996-01-30 Sekisui Chem Co Ltd 熱成形性繊維複合材料の製造方法
US6233797B1 (en) * 1999-07-13 2001-05-22 Groz Beckert Kg Felt needle
DE102004037716B4 (de) * 2004-08-04 2009-04-02 Groz-Beckert Kg Nachbehandlungsnadel für textile Flächengebilde
EP1806444B1 (fr) * 2005-12-27 2009-04-01 Groz-Beckert KG Aiguille à feutrer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US461602A (en) 1891-10-20 Alfred julius boult
DE2101769A1 (en) 1971-01-15 1972-07-20 Sievers, Klaus, 2000 Hamburg Felting needle - with beard nicks at uniform angles after twisting
DD243055A1 (de) * 1985-11-27 1987-02-18 Textiltech Forsch Filznadel zum nachnadeln von textilen flaechengebilden
JPH05214659A (ja) * 1992-02-03 1993-08-24 Organ Needle Co Ltd フェルト製造用針およびその製法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 663 (C - 1138) 8 December 1993 (1993-12-08) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100838509B1 (ko) * 2005-12-27 2008-06-17 그로츠-베케르트 카게 펠팅 니들

Also Published As

Publication number Publication date
KR20070069031A (ko) 2007-07-02
TW200738927A (en) 2007-10-16
TWI321175B (en) 2010-03-01
KR100838509B1 (ko) 2008-06-17
EP1806444B1 (fr) 2009-04-01
DE502005007017D1 (de) 2009-05-14
CN1990931A (zh) 2007-07-04
JP2007177387A (ja) 2007-07-12
JP4496207B2 (ja) 2010-07-07
ES2322159T3 (es) 2009-06-17
US20070143975A1 (en) 2007-06-28
US7246418B2 (en) 2007-07-24
CN1990931B (zh) 2010-08-11

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