US20040259449A1 - Backing fabrics for papermaking machine convering materials - Google Patents

Backing fabrics for papermaking machine convering materials Download PDF

Info

Publication number
US20040259449A1
US20040259449A1 US10/489,057 US48905704A US2004259449A1 US 20040259449 A1 US20040259449 A1 US 20040259449A1 US 48905704 A US48905704 A US 48905704A US 2004259449 A1 US2004259449 A1 US 2004259449A1
Authority
US
United States
Prior art keywords
polyamide
monofilaments
twisted yarn
twisted
fabrics
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.)
Abandoned
Application number
US10/489,057
Inventor
Thierry Onder de Linden
Jurgen Budenbender
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.)
Asahi Kasei Spandex Europe GmbH
Original Assignee
Bayer Faser GmbH
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 Bayer Faser GmbH filed Critical Bayer Faser GmbH
Assigned to BAYER FRASER GMBH reassignment BAYER FRASER GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ONDER DE LINDEN, THIERRY, BUDENBENDER, JURGEN
Publication of US20040259449A1 publication Critical patent/US20040259449A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D7/00—Woven fabrics designed to be resilient, i.e. to recover from compressive stress
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2277/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
    • B29L2031/7092—Conveyor belts
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2211/00—Protein-based fibres, e.g. animal fibres
    • D10B2211/01—Natural animal fibres, e.g. keratin fibres
    • D10B2211/02—Wool
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling
    • 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.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]

Definitions

  • the present invention relates to backing fabrics for papermaking machine felt with improved properties, preferably improved wear resistance and in particular improved dimensional stability during paper manufacture.
  • Fabrics employed in the forming part consist predominantly of polyester monofilaments.
  • monofilaments of polyamides together with polyester monofilaments in an alternating pick-and-shot arrangement on the machine side are also used.
  • the basic fabrics for the pressing felt or wet pressing felt are produced almost exclusively from polyamide fibres and polyamide monofilaments, preferably from pure polyamide-6 but also from polyamide-66.
  • a nonwoven layer of polyamide fibres is needled onto the base fabrics consisting of polyamide monofilaments in a second processing stage and this layer is thereby mechanically anchored in the said base fabric.
  • Dry screens on the other hand normally consist of polyester monofilaments that are largely stabilised by means of suitable products, for example Stabaxol (a commercial product available from Rheinchemie, Mannheim), against hydrolytic decomposition.
  • Stabaxol a commercial product available from Rheinchemie, Mannheim
  • press felts made from polyamide-6 monofilaments have on account of their high abrasion resistance, compressibility and very good recovery of the felts after passing through the press nip major advantages compared to press felts of other materials, e.g. polypropylene, polyester, wool or other types of polyamide (e.g. PA 6.10, PA 6.12).
  • other materials e.g. polypropylene, polyester, wool or other types of polyamide (e.g. PA 6.10, PA 6.12).
  • a significant disadvantage of these press felts is however the lack of dimensional stability in the event of machine downtimes.
  • the materials polyamide-6 and polyamide-66 absorb up to 10 wt. % of water in a wet environment.
  • the length and thickness of the monofilaments changes with the absorption of water.
  • the change in length means that in the event of malfunctions or downtimes of the papermaking machine due to other causes the felts have a different weight and fabric density in the wet zones than in the dry zones.
  • a disadvantage of these fabrics and of the felt produced therefrom is however the significantly reduced wear resistance when used in papermaking machines compared to fabrics of polyamide-6 monofilaments and felts produced therefrom.
  • the object of the invention is achieved if in the production of the backing fabric there are used combination twisted yarns with 1 to 20 monofilaments of polyamide-6 and 20 to 1 monofilaments of polyamide 6.10, polyamide 6.12, polyamide 11 or polyamide 12 in the warp instead of twisted yarns of polyamide-6 monofilaments.
  • the fabrics produced in this way also have a significantly improved economic utility since the raw materials polyamide-6 and polyamide-66 are industrially more readily available and can be re-used in many recycling systems after economic utilisation.
  • a particular advantage of the process according to the invention is that twisted yarns of an even number of the materials used as well as also an odd number of these materials can be twisted with one another. In this way specific, calculable dimensional changes of the twisted yarns or fabrics produced therefrom can be established and the economic utility can optionally also be improved.
  • Pre-twisted yarns of construction 0.20 mm ⁇ 2 were produced on an Allma Saurer AZB-T type yarn twisting machine at 304 revolutions/metre
  • Pre-twisted yarns of polyamide 6, experimental part V 1, were processed on an Allma Saurer AZB-T type yarn twisting machine to form a balanced annular twisted yarn of construction 0.2 mm ⁇ 2 ⁇ 2 with S 304/Z 260 revolutions.
  • the twisted yarn was then fixed tension-free in a heating cabinet for 5 minutes at 160° C. and cut into pieces of length 1.00 m. The exact length and the weight of the sample pieces was determined. Following this the samples were then stored tension-free for 24 hours in a water bath at 20° C., removed from the water, dried, and the change in length as well as the weight were determined.
  • the abrasion resistance of the twisted yarns was determined by an abrasion test developed in-house. For this, the monofilaments and twisted yarns are drawn cyclically under a defined load over a grinding roller until they break. The number of grinding cycles is a measure of the abrasion resistance.
  • Pre-twisted yarn V 1 and pre-twisted yarn V 2 were processed into an annular twisted yarn as described in comparison example 1.
  • the annular twisted yarn had a proportion of PA 6.10 of 25%.
  • the change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1.
  • Pre-twisted yarn V 1 and pre-twisted yarn V 3 were processed into an annular twisted yarn as described in comparison example 1.
  • the annular twisted yarn had a proportion of PA 6.10 of 50%.
  • the change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1.
  • Pre-twisted yarn V 2 and pre-twisted yarn V 2 were processed into an annular twisted yarn as described in comparison example 1.
  • the annular twisted yarn had a proportion of PA 6.10 of 50%.
  • the change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1.
  • Pre-twisted yarn V 3 and pre-twisted yarn V 2 were processed into an annular twisted yarn as described in comparison example 1.
  • the annular twisted yarn had a proportion of PA 6.10 of 75%.
  • the change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1.
  • Pre-twisted yarn V 4 and pre-twisted yarn V 1 were processed into an annular twisted yarn as described in comparison example 1.
  • the annular twisted yarn had a proportion of PA 6.12 of 50%.
  • the change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1.
  • the results are summarised in Table 1.
  • Example 1 75 25 6.0 2.7 260-320
  • Example 2 50 50 5.2 2.0 250-295
  • Example 3 50 50 4.9 1.9 255-305
  • Example 4 25 75 3.8 1.6 225-290 Propn.
  • PA 6.12 Example 5 50 50 5.1 2.1 245-300

Abstract

Backing fabric for paper machine felts, based on yarn made of polyamide 6 and polyamide 6.10, polyamide 6.11, polyamide 11 and/or polyamide 12.

Description

  • The present invention relates to backing fabrics for papermaking machine felt with improved properties, preferably improved wear resistance and in particular improved dimensional stability during paper manufacture. [0001]
  • Processes for the production of monofilaments from thermoplastic polymers are in principle known (c.f. Handbuch der Kunststofftechnik II, C. Hanser Verlag, Munich 1986, pp. 295-319). [0002]
  • Paper production on modern papermaking machines involving sheet forming (forming part), mechanical dewatering (pressing part) and thermal dewatering (drying part), smoothing and rolling is known from Lehrbuch der Papier- und Kartonerzeugung (VEB Fachbuchverlag 1987, p. 190 ff). [0003]
  • Fabrics employed in the forming part consist predominantly of polyester monofilaments. In order to improve the abrasion resistance monofilaments of polyamides together with polyester monofilaments in an alternating pick-and-shot arrangement on the machine side are also used. [0004]
  • In the pressing part the basic fabrics for the pressing felt or wet pressing felt are produced almost exclusively from polyamide fibres and polyamide monofilaments, preferably from pure polyamide-6 but also from polyamide-66. A nonwoven layer of polyamide fibres is needled onto the base fabrics consisting of polyamide monofilaments in a second processing stage and this layer is thereby mechanically anchored in the said base fabric. [0005]
  • Dry screens on the other hand normally consist of polyester monofilaments that are largely stabilised by means of suitable products, for example Stabaxol (a commercial product available from Rheinchemie, Mannheim), against hydrolytic decomposition. [0006]
  • The commercially available press felts made from polyamide-6 monofilaments have on account of their high abrasion resistance, compressibility and very good recovery of the felts after passing through the press nip major advantages compared to press felts of other materials, e.g. polypropylene, polyester, wool or other types of polyamide (e.g. PA 6.10, PA 6.12). [0007]
  • A significant disadvantage of these press felts is however the lack of dimensional stability in the event of machine downtimes. The materials polyamide-6 and polyamide-66 absorb up to 10 wt. % of water in a wet environment. The length and thickness of the monofilaments changes with the absorption of water. In particular the change in length means that in the event of malfunctions or downtimes of the papermaking machine due to other causes the felts have a different weight and fabric density in the wet zones than in the dry zones. After dealing with the malfunctions and starting up the papermaking machine again no high-quality paper can be produced with these felts until the felts have re-established the same water content and the same density and width over the whole area. [0008]
  • Furthermore the change in width often means that the full working width of the papermaking machine cannot be utilised since the felts extend beyond the maximum width of the machine and are damaged at their edges. [0009]
  • There has therefore been no lack of attempts to improve the dimensional stability of press felts in wet/dry cycles. [0010]
  • One possibility is to use other fabric constructions. [0011]
  • The use of other materials in the warp of the fabrics is widespread, for example the replacement of polyamide-6 or polyamide-66 monofilaments by filaments which absorb substantially less moisture under high ambient moisture conditions and in which the dimensions of the fabrics consequently change only slightly. Monofilaments of polyamide 6.10 and polyamide 6.12 have proved suitable. [0012]
  • A disadvantage of these fabrics and of the felt produced therefrom is however the significantly reduced wear resistance when used in papermaking machines compared to fabrics of polyamide-6 monofilaments and felts produced therefrom. [0013]
  • It has now surprisingly been found that the disadvantages of the lack of wear resistance can be avoided and can be replaced by the advantages of a good dimensional stability if the warp of the basic fabric consists of combination twisted yarns that contain monofilaments of polyamide-6 as well as also monofilaments of polyamide 6.10 or polyamide 6.12. [0014]
  • The object of the invention is achieved if in the production of the backing fabric there are used combination twisted yarns with 1 to 20 monofilaments of polyamide-6 and 20 to 1 monofilaments of polyamide 6.10, polyamide 6.12, polyamide 11 or polyamide 12 in the warp instead of twisted yarns of polyamide-6 monofilaments. [0015]
  • Moreover, the fabrics produced in this way also have a significantly improved economic utility since the raw materials polyamide-6 and polyamide-66 are industrially more readily available and can be re-used in many recycling systems after economic utilisation. [0016]
  • A particular advantage of the process according to the invention is that twisted yarns of an even number of the materials used as well as also an odd number of these materials can be twisted with one another. In this way specific, calculable dimensional changes of the twisted yarns or fabrics produced therefrom can be established and the economic utility can optionally also be improved. [0017]
  • The following examples demonstrate the advantages according to the invention of the combination twisted yarns, without restricting the possibilities of these combinations. [0018]
    • EXAMPLES
  • [0019]
    Monofilament
    Commercial Product Diameter
    Polyamide 6 X 201 0.20 mm
    Polyamide 6.10 ATF 2311 0.20 mm
    Polyamide 6.12 ATF 23 0.20 mm
  • Manufacturer: Bayer Faser GmbH [0020]
  • Pre-Twisted Yarns [0021]
  • Pre-twisted yarns of construction 0.20 mm×2 were produced on an Allma Saurer AZB-T type yarn twisting machine at 304 revolutions/metre [0022]
  • Experimental part V 1: X 201/X 201, 0.20 mm×2, S 304 revolutions/metre [0023]
  • Experimental part V 2: X 201/ATF 2311, 0.20 mm×2, S 304 revolutions/metre [0024]
  • Experimental part V 3: ATF 2311, 0.20 mm×2, S 304 revolutions/metre [0025]
  • Experimental part V 4: ATF 2300 0.20 mm×2, S 304 revolutions/metre [0026]
    • Comparison Example 1
  • Pre-twisted yarns of polyamide 6, experimental part V 1, were processed on an Allma Saurer AZB-T type yarn twisting machine to form a balanced annular twisted yarn of construction 0.2 mm×2×2 with S 304/Z 260 revolutions. [0027]
  • The twisted yarn was then fixed tension-free in a heating cabinet for 5 minutes at 160° C. and cut into pieces of length 1.00 m. The exact length and the weight of the sample pieces was determined. Following this the samples were then stored tension-free for 24 hours in a water bath at 20° C., removed from the water, dried, and the change in length as well as the weight were determined. [0028]
  • The twisted yarn was then dried for 24 hours at 80° C. in a circulating air drying cabinet and the change in length and weight loss were again determined. This cycle was repeated three times. The changes in length between the wet/dry cycles are summarised in Table 1. [0029]
  • The abrasion resistance of the twisted yarns was determined by an abrasion test developed in-house. For this, the monofilaments and twisted yarns are drawn cyclically under a defined load over a grinding roller until they break. The number of grinding cycles is a measure of the abrasion resistance. [0030]
    • Comparison Example 2
  • Pre-twisted yarns of polyamide 6.10 (ATF 2311), experimental part V 3, 0.20 mm were processed into an annular twisted yarn as described in comparison example 1. The change in length after wet/dry alternating cycles as well as the abrasion resistance were also determined as described in comparison example 1. The results are summarised in Table 1. [0031]
    • Example 1
  • Pre-twisted yarn V 1 and pre-twisted yarn V 2 were processed into an annular twisted yarn as described in comparison example 1. The annular twisted yarn had a proportion of PA 6.10 of 25%. The change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1. [0032]
    • Example 2
  • Pre-twisted yarn V 1 and pre-twisted yarn V 3 were processed into an annular twisted yarn as described in comparison example 1. The annular twisted yarn had a proportion of PA 6.10 of 50%. The change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1. [0033]
    • Example 3
  • Pre-twisted yarn V 2 and pre-twisted yarn V 2 were processed into an annular twisted yarn as described in comparison example 1. The annular twisted yarn had a proportion of PA 6.10 of 50%. The change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1. [0034]
    • Example 4
  • Pre-twisted yarn V 3 and pre-twisted yarn V 2 were processed into an annular twisted yarn as described in comparison example 1. The annular twisted yarn had a proportion of PA 6.10 of 75%. The change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1. [0035]
    • Example 5
  • Pre-twisted yarn V 4 and pre-twisted yarn V 1 were processed into an annular twisted yarn as described in comparison example 1. The annular twisted yarn had a proportion of PA 6.12 of 50%. The change in length after wet/dry alternating cycles as well as the abrasion resistance was also determined as described in comparison example 1. The results are summarised in Table 1. [0036]
    TABLE 1
    Abrasion
    Propn. Propn. Water Water Behaviour
    PA 6 PA 6.10 Absorption 1) Elongation 1) min-max
    % % % % Cycles
    Comp. Ex. 1 100 0 6.8 3.0 260-350
    Comp. Ex. 2 0 100 2.8 1.2 220-290
    Example 1 75 25 6.0 2.7 260-320
    Example 2 50 50 5.2 2.0 250-295
    Example 3 50 50 4.9 1.9 255-305
    Example 4 25 75 3.8 1.6 225-290
    Propn.
    PA 6.12
    Example 5 50 50 5.1 2.1 245-300

Claims (8)

1. Backing fabric for papermaking machine covering materials, having a base fabric which comprises combination twisted yarns of monofilaments of polyamide 6 and monofilaments of polyamide 6.10, in the warp direction.
2. Backing fabric for papermaking machine covering materials, having a base fabric which comprises combination twisted fabrics of monofilaments of polyamide 6 and monofilaments of polyamide 6.12, polyamide 11 or polyamide 12 in the warp direction.
3. Backing fabric according to claim 1, wherein the twisted yarns contain 1 to 20 monofilaments of polyamide 6 and 20 to 1 monofilaments of polyamide 6.10.
4. Backing fabric according to claim 2, wherein the twisted yarns contain 1 to 20, monofilaments of polyamide 6 and 20 to 1 monofilaments of polyamide 6.12, polyamide 11 or polyamide 12.
5. Backing fabric according to any one of claims 1 to 4, wherein said monofilaments of said base fabrics have a diameter of 0.08 to 0.3 mm.
6. Process for the production of base fabrics of papermaking machine covering materials, which comprises forming a combination twisted yarn of polyamide 6 monofilaments with monofilaments of polyamide 6.10, polyamide 6.12, polyamide 11 or polyamide 12 and forming the warp of a base fabric with said combination twisted yarn.
7. Backing fabric according to claim 3, wherein said twisted yarns contain 1 to 6 monofilaments of polyamide 6 and 6 to 1 monofilaments of polyamide 6.10.
8. Backing fabric according to claim 4, wherein said twisted yarns contain 1 to 6 monofilaments of polyamide 6 and 6 to 1 monofilaments of polyamide 6.12, polyamide 11 or polyamide 12.
US10/489,057 2001-09-10 2002-08-29 Backing fabrics for papermaking machine convering materials Abandoned US20040259449A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10144307A DE10144307A1 (en) 2001-09-10 2001-09-10 Stable carrier web support for paper machine, has weft of twisted yarns combining specified types of nylon monofilaments
DE10144307.2 2001-09-10
PCT/EP2002/009624 WO2003023136A1 (en) 2001-09-10 2002-08-29 Backing fabric for paper machine clothings

Publications (1)

Publication Number Publication Date
US20040259449A1 true US20040259449A1 (en) 2004-12-23

Family

ID=7698343

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/489,057 Abandoned US20040259449A1 (en) 2001-09-10 2002-08-29 Backing fabrics for papermaking machine convering materials

Country Status (11)

Country Link
US (1) US20040259449A1 (en)
EP (1) EP1432869B1 (en)
JP (1) JP2005502797A (en)
KR (1) KR20040039340A (en)
CN (1) CN1304686C (en)
AT (1) ATE338160T1 (en)
BR (1) BR0212379A (en)
CA (1) CA2459901A1 (en)
DE (2) DE10144307A1 (en)
PL (1) PL367354A1 (en)
WO (1) WO2003023136A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7344074B2 (en) * 2002-04-08 2008-03-18 Nokia Corporation Mobile terminal featuring smart card interrupt
US20100188695A1 (en) * 2009-01-28 2010-07-29 Sharp Kabushiki Kaisha Communication system, information processing system, image forming apparatus and portable information terminal device
US8289159B2 (en) 2006-04-26 2012-10-16 Qualcomm Incorporated Wireless localization apparatus and method
US8406794B2 (en) 2006-04-26 2013-03-26 Qualcomm Incorporated Methods and apparatuses of initiating communication in wireless networks
US8600373B2 (en) 2006-04-26 2013-12-03 Qualcomm Incorporated Dynamic distribution of device functionality and resource management
US8644396B2 (en) 2006-04-18 2014-02-04 Qualcomm Incorporated Waveform encoding for wireless applications

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5149573B2 (en) * 2007-09-18 2013-02-20 イチカワ株式会社 Felt for papermaking
DE102009029190A1 (en) * 2009-09-03 2011-03-10 Voith Patent Gmbh Process for recycling paper machine clothing

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564985A (en) * 1981-10-08 1986-01-21 Nippon Felt Co., Ltd. Felt for paper manufacture and method for producing the same
US4874660A (en) * 1987-04-15 1989-10-17 Albany Research (Uk) Limited Paper machine felts
US4891040A (en) * 1982-07-05 1990-01-02 Mitsuboshi Belting Ltd. Woven fabric belt
US5164251A (en) * 1989-11-29 1992-11-17 Albany International Corp. Paper machine felts
US5194121A (en) * 1988-11-30 1993-03-16 Nippon Felt Co. Ltd. Needled felt for papermaking use
US5244543A (en) * 1990-10-03 1993-09-14 Asten Group, Inc. Belt filter press fabric
US5783501A (en) * 1993-12-16 1998-07-21 Ems-Inventa Ag Paper machine felts
US6175996B1 (en) * 1999-07-22 2001-01-23 Weavexx Corporation Method of forming a papermakers' felt

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2040326A (en) * 1978-11-15 1980-08-28 Scapa Porritt Ltd Papermakers felt
ES2264561T3 (en) * 1991-02-18 2007-01-01 Albany International Corp. IMPROVEMENTS IN AND RELATED TO FABRICS FOR PAPER MANUFACTURING MACHINES.
SE466659B (en) * 1991-02-28 1992-03-16 Scandiafelt Ab ROUNDWOVEN FORMULATED WIRE FOR MONITORING PARTS CONSISTING OF POLYAMIDE WIRES
DE4226592A1 (en) * 1991-08-23 1993-03-04 Inventa Ag PAPER MACHINE FELTS AND METHOD FOR PRODUCING THE SAME
DE19645786A1 (en) * 1996-11-07 1998-05-14 Bayer Faser Gmbh Monofilaments and their use in the manufacture of technical textile goods
DE19829928C2 (en) * 1998-07-04 2003-12-11 Hahl Filaments Gmbh & Co Kg Monofilament synthetic fibers and their use
IL126224A0 (en) * 1998-09-15 1999-05-09 Gerlitz Jonathan Ear thermometer and detector therefor
DE19941593A1 (en) * 1999-06-07 2000-12-14 Bayer Faser Gmbh Process for the production of a thread for technical and paper machine fabrics
BR0011366A (en) * 1999-06-07 2002-02-26 Bayer Faser Gmbh Process for the production of a twisted yarn for technical fabric and paper machine fabric

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564985A (en) * 1981-10-08 1986-01-21 Nippon Felt Co., Ltd. Felt for paper manufacture and method for producing the same
US4891040A (en) * 1982-07-05 1990-01-02 Mitsuboshi Belting Ltd. Woven fabric belt
US4874660A (en) * 1987-04-15 1989-10-17 Albany Research (Uk) Limited Paper machine felts
US5194121A (en) * 1988-11-30 1993-03-16 Nippon Felt Co. Ltd. Needled felt for papermaking use
US5164251A (en) * 1989-11-29 1992-11-17 Albany International Corp. Paper machine felts
US5244543A (en) * 1990-10-03 1993-09-14 Asten Group, Inc. Belt filter press fabric
US5783501A (en) * 1993-12-16 1998-07-21 Ems-Inventa Ag Paper machine felts
US6175996B1 (en) * 1999-07-22 2001-01-23 Weavexx Corporation Method of forming a papermakers' felt

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7344074B2 (en) * 2002-04-08 2008-03-18 Nokia Corporation Mobile terminal featuring smart card interrupt
US8644396B2 (en) 2006-04-18 2014-02-04 Qualcomm Incorporated Waveform encoding for wireless applications
US8654868B2 (en) 2006-04-18 2014-02-18 Qualcomm Incorporated Offloaded processing for wireless applications
US8289159B2 (en) 2006-04-26 2012-10-16 Qualcomm Incorporated Wireless localization apparatus and method
US8406794B2 (en) 2006-04-26 2013-03-26 Qualcomm Incorporated Methods and apparatuses of initiating communication in wireless networks
US8600373B2 (en) 2006-04-26 2013-12-03 Qualcomm Incorporated Dynamic distribution of device functionality and resource management
US20100188695A1 (en) * 2009-01-28 2010-07-29 Sharp Kabushiki Kaisha Communication system, information processing system, image forming apparatus and portable information terminal device

Also Published As

Publication number Publication date
CN1553980A (en) 2004-12-08
DE50208019D1 (en) 2006-10-12
WO2003023136A1 (en) 2003-03-20
DE10144307A1 (en) 2003-03-27
PL367354A1 (en) 2005-02-21
CA2459901A1 (en) 2003-03-20
BR0212379A (en) 2004-07-27
KR20040039340A (en) 2004-05-10
EP1432869B1 (en) 2006-08-30
EP1432869A1 (en) 2004-06-30
JP2005502797A (en) 2005-01-27
ATE338160T1 (en) 2006-09-15
CN1304686C (en) 2007-03-14

Similar Documents

Publication Publication Date Title
EP0146341A2 (en) Batt-on-mesh felt employing polyurethane-coated multifilaments in the cross-machine direction
EP1614779B1 (en) Abrasion resistant monofilament for industrial fabrics
NO178797B (en) Paper Machine Clothing
JP2563966B2 (en) Felt for paper machine
US20040259449A1 (en) Backing fabrics for papermaking machine convering materials
JP3793408B2 (en) Press fabric for pulp machine
JP2507212B2 (en) Felt for paper machine
JPH08260378A (en) Press cloth
US6828261B2 (en) Polymer alloys including two or more components with differing melting points, filaments made thereof, and fabrics made therefrom
FI92943B (en) Blankets for paper machine
JPH05171589A (en) Fabric for paper making which contains monofilament and fiber of polypropylene terephthalate
JPH11107182A (en) Paper-making belt for producing building material and transfer belt for producing building material
JP5571961B2 (en) Felt for papermaking
US6462145B1 (en) Polymer blends of trimethylene terphthalate and an elastomeric polyester
WO2014139847A1 (en) Monofilament yarn for a paper machine clothing fabric
US9260819B2 (en) Press felt for papermaking
JP2002088609A (en) New plastic woven fabric and method for producing the same
JPH1150385A (en) Transfer fabric and papermaking machine using the same
KR101090888B1 (en) Method of manufacturing nonwoven fabric having high elasticity
JP2002069748A (en) Polyamide monofilament for weaving and industrial woven fabric
WO1998019860A1 (en) Paper machine clothings constructed of expanded ptfe
MXPA99003969A (en) Monofilaments and their use in producing technical textile articles
WO2001006046A1 (en) Industrial fabrics having components of polytrimethylene terephthalate

Legal Events

Date Code Title Description
AS Assignment

Owner name: BAYER FRASER GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ONDER DE LINDEN, THIERRY;BUDENBENDER, JURGEN;REEL/FRAME:015062/0308;SIGNING DATES FROM 20040224 TO 20040322

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION