EP2562300A1 - Vorrichtung an einem Abstreifmesser - Google Patents

Vorrichtung an einem Abstreifmesser Download PDF

Info

Publication number
EP2562300A1
EP2562300A1 EP12181330A EP12181330A EP2562300A1 EP 2562300 A1 EP2562300 A1 EP 2562300A1 EP 12181330 A EP12181330 A EP 12181330A EP 12181330 A EP12181330 A EP 12181330A EP 2562300 A1 EP2562300 A1 EP 2562300A1
Authority
EP
European Patent Office
Prior art keywords
doctor blade
machine
forming
grooves
blade according
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.)
Withdrawn
Application number
EP12181330A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hubert Hergeth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2562300A1 publication Critical patent/EP2562300A1/de
Withdrawn legal-status Critical Current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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • D01G15/465—Doffing arrangements for removing fibres using, or cooperating with, pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above

Definitions

  • the invention relates to a doctor blade, as it is used in nonwoven imaging machines that form a web aerodynamically.
  • the invention would like to avoid the formation of bats in a simple manner.
  • the knife surface is not made smooth, but provided with a structure.
  • the structure forms the smallest turbulence, which prevents it from sticking.
  • the structure can be done by grooves, elevations such as bars or edges or by applying a coating.
  • the coating creates a structured surface, similar to an orange peel.
  • the structure can be smaller than 1 mm on the surface.
  • the structured surface can be generated selectively and / or untargeted.
  • grooves are a group of groove-shaped depressions which are not deliberately introduced into the surface of the knife.
  • the structuring of the surface is carried out by milling, grooves and / or elevations targeted.
  • the depth or height of the grooves, milled grooves, grooves or elevations is preferably less than 1 mm.
  • the structured surface of the doctor blade prevents the formation of batt and thus the bad web image caused thereby. That is, the doctor blade with the structured surface allows to easily improve the nonwoven image of an aerodynamically produced nonwoven fabric.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Treatment Of Fiber Materials (AREA)
EP12181330A 2011-08-24 2012-08-22 Vorrichtung an einem Abstreifmesser Withdrawn EP2562300A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011111770 2011-08-24

Publications (1)

Publication Number Publication Date
EP2562300A1 true EP2562300A1 (de) 2013-02-27

Family

ID=46934430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12181330A Withdrawn EP2562300A1 (de) 2011-08-24 2012-08-22 Vorrichtung an einem Abstreifmesser

Country Status (2)

Country Link
EP (1) EP2562300A1 (zh)
CN (1) CN102953233B (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517726A (en) * 1992-08-17 1996-05-21 Beier; Scott B. High strength nonwoven batting
US5930871A (en) * 1998-07-09 1999-08-03 John D. Hollingsworth On Wheels, Inc. Air doffing system for a textile processing machine
DE10329648A1 (de) 2003-07-01 2005-01-27 Oskar Dilo Maschinenfabrik Kg Vorrichtung zur Vliesbildung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942305A (en) * 1958-07-24 1960-06-28 John D Hollingsworth Comb blades
CN2151159Y (zh) * 1993-03-19 1993-12-29 张学通 清棉机滚动除尘装置
DE19515393B4 (de) * 1995-04-26 2004-01-15 Man Roland Druckmaschinen Ag Bedruckstofführende Oberflächenstruktur, vorzugsweise für Druckmaschinenzylinder oder deren Aufzüge
FI113677B (fi) * 2002-10-22 2004-05-31 Pikoblade Oy Kulutusta kestävä päällystysterä tai vastaava paperirainan käsittelyterä
EP1878565A1 (en) * 2006-07-13 2008-01-16 BTG Eclépens S.A. Creping blade

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517726A (en) * 1992-08-17 1996-05-21 Beier; Scott B. High strength nonwoven batting
US5930871A (en) * 1998-07-09 1999-08-03 John D. Hollingsworth On Wheels, Inc. Air doffing system for a textile processing machine
DE10329648A1 (de) 2003-07-01 2005-01-27 Oskar Dilo Maschinenfabrik Kg Vorrichtung zur Vliesbildung

Also Published As

Publication number Publication date
CN102953233A (zh) 2013-03-06
CN102953233B (zh) 2019-01-08

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