EP0050933A1 - Dispositif de dépoussiérage pour bancs d'étirage - Google Patents

Dispositif de dépoussiérage pour bancs d'étirage Download PDF

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Publication number
EP0050933A1
EP0050933A1 EP81304730A EP81304730A EP0050933A1 EP 0050933 A1 EP0050933 A1 EP 0050933A1 EP 81304730 A EP81304730 A EP 81304730A EP 81304730 A EP81304730 A EP 81304730A EP 0050933 A1 EP0050933 A1 EP 0050933A1
Authority
EP
European Patent Office
Prior art keywords
rollers
suction
drafting
nozzle
suction means
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Withdrawn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
EP81304730A
Other languages
German (de)
English (en)
Inventor
Richard Stuart Bridge
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.)
Hollingsworth UK Ltd
Original Assignee
Hollingsworth UK Ltd
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 Hollingsworth UK Ltd filed Critical Hollingsworth UK Ltd
Publication of EP0050933A1 publication Critical patent/EP0050933A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/66—Suction devices exclusively

Definitions

  • This invention relates to apparatus for drafting textile material and particularly such apparatus including means for removing dust and other extraneous waste from the material.
  • Dust as is well known, is intolerable in textile mills because it is so dangerous to health and the present inventor was faced with the problem of how to remove further dust from the apparatus to still further reduce the risk to health while keeping at a low level the amount of air required.
  • the invention provides an apparatus for drafting textile materials comprising two pairs of rollers forming two consecutive nips through which the textile material passes and between which the material is drafted, and means for applying suction to the material as it passes between the two consecutive nips.
  • the suction means is arranged closely adjacent the material as it passes between the two consecutive nips.
  • the suction means comprises a nozzle or elongate duct located on one side of the material closer to the material than the common tangent of the rollers.
  • the suction means is arranged to provide a suction air flow of the order of 0.25 cubic feet per minute, and preferably lying in the range 0.2 to 0.5 cfm.
  • FIG. 1 shows a conventional apron drafting system in which three pairs of rollers are used.
  • the drafting system includes a first pair of rollers comprising a bottom roller 2 and a co-operating top roller 1. These pair of rollers being conventionally known as back rollers.
  • the material or roving 'Y' to be spun into yarn enters the nip of the rollers 1 and 2 and passes on to the second pair of rollers 3 and 4.
  • These rollers comprise a top roll 3 and a bottom roll 4 and are conventionally known as middle rollers.
  • the mounting arrangements for the top rollers for convenience of illustration are omitted from the drawings.
  • rollers 3 and 4 Around the rollers 3 and 4 are aprons 5 and 6 the aprons being supported at their converging ends by members 7 and 8. The material then passes between the aprons 5 and 6 to a third pair of rollers comprising a top roller 9 and a bottom roller 10, conventionally known as the front rollers of the drafting system. During its progression through the above drafting system the material is drafted between the back and middle rollers and also between the middle and front rollers.
  • the nozzle 11 is generally eliptical having a major axis 13 of 2.5 cm and a minor axis 14 of 1.5 cm.
  • the length of 2.5 cms has been chosen-as being a reasonable maximum possible length bearing in mind the necessity for adjustment of the roller spacing for different staple lengths.
  • the nozzle is elongate and extends along the maximum permisable length of the material.
  • suction is applied directly and only to the material, as opposed to the prior art arrangements wherein suction is applied generally to the whole drafting area.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP81304730A 1980-10-24 1981-10-12 Dispositif de dépoussiérage pour bancs d'étirage Withdrawn EP0050933A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8034339 1980-10-24
GB8034339 1980-10-24

Publications (1)

Publication Number Publication Date
EP0050933A1 true EP0050933A1 (fr) 1982-05-05

Family

ID=10516873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81304730A Withdrawn EP0050933A1 (fr) 1980-10-24 1981-10-12 Dispositif de dépoussiérage pour bancs d'étirage

Country Status (2)

Country Link
EP (1) EP0050933A1 (fr)
JP (1) JPS57101028A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5031280A (en) * 1988-12-23 1991-07-16 Maschinenfabrik Reiter Ag Method and apparatus for cleaning card slivers pneumatically through spread sliver
US6052984A (en) * 1996-10-02 2000-04-25 Rieter Ingolstadt Spinnereimaschinenbau Ag Textile drafting machine with upstream dirt separating device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765495A (en) * 1954-05-14 1956-10-09 Barrett Waste collector for textile machinery
GB861514A (en) * 1958-12-05 1961-02-22 Tmm Research Ltd Improvements relating to the removal of fly in textile machines
GB910801A (en) * 1960-09-19 1962-11-21 Tmm Research Ltd Improvements in pneumatic clearing apparatus in textile drafting apparatus
GB942540A (en) * 1958-12-09 1963-11-20 Ferdinand Reiterer Improvements relating to textile carding machines
GB1047801A (en) * 1963-06-05 1966-11-09 Elitex Zavody Textilniho Machine for converting a tow of continuous filaments into a web of staple fibres
GB2375357A (en) * 2001-05-10 2002-11-13 Brian Maxwell Holt Catchment tray for a sanitaryware pedestal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2765495A (en) * 1954-05-14 1956-10-09 Barrett Waste collector for textile machinery
GB861514A (en) * 1958-12-05 1961-02-22 Tmm Research Ltd Improvements relating to the removal of fly in textile machines
GB942540A (en) * 1958-12-09 1963-11-20 Ferdinand Reiterer Improvements relating to textile carding machines
GB910801A (en) * 1960-09-19 1962-11-21 Tmm Research Ltd Improvements in pneumatic clearing apparatus in textile drafting apparatus
GB1047801A (en) * 1963-06-05 1966-11-09 Elitex Zavody Textilniho Machine for converting a tow of continuous filaments into a web of staple fibres
GB2375357A (en) * 2001-05-10 2002-11-13 Brian Maxwell Holt Catchment tray for a sanitaryware pedestal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5031280A (en) * 1988-12-23 1991-07-16 Maschinenfabrik Reiter Ag Method and apparatus for cleaning card slivers pneumatically through spread sliver
US6052984A (en) * 1996-10-02 2000-04-25 Rieter Ingolstadt Spinnereimaschinenbau Ag Textile drafting machine with upstream dirt separating device

Also Published As

Publication number Publication date
JPS57101028A (en) 1982-06-23

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT CH DE FR GB IT LI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HOLLINGSWORTH (U.K.) LIMITED

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HOLLINGSWORTH (U.K.) LIMITED

18D Application deemed to be withdrawn

Effective date: 19830405

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BRIDGE, RICHARD STUART