US3799590A - Anti-clogging means for automatic thread-knotting devices - Google Patents

Anti-clogging means for automatic thread-knotting devices Download PDF

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Publication number
US3799590A
US3799590A US00289616A US28961672A US3799590A US 3799590 A US3799590 A US 3799590A US 00289616 A US00289616 A US 00289616A US 28961672 A US28961672 A US 28961672A US 3799590 A US3799590 A US 3799590A
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US
United States
Prior art keywords
wings
levers
upper wall
clogging means
foil
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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 - Lifetime
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US00289616A
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English (en)
Inventor
P Messa
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Individual
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Individual
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Publication date
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Publication of US3799590A publication Critical patent/US3799590A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/04—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by knotting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the anticlogging means for automatic thread-knotting devices comprises a member, made of pre-stamped plastic material or rubber, closely adhering to the upper wall of the knotting device. Longitudinal and inclined wings, juxtaposed with the slots existing in the knotting devices upper wall, provide seals against the penetration of dust and lint inside the body of the knotting device. These wings are so positioned as to form therebetween collection chambers for the dust which has filtered through the first seal.
  • the present invention relates to anti-clogging means suitable for the controlling members of automatic thread-knotting devices.
  • the anti-clogging means of the invention comprises a member, preferably pre-stamped from suitable synthetic plastic material or'made of rubber or similar material, which member is shaped so as to statically conform to the upper surface of the body of the knotting device and is provided, at predetermined locations depending on the type of knot to be produced, with elastic and flexible wings in juxtaposition with the slots in the upper surface of the body of the knotting device.
  • FIG. 1 is a perspective view of the invention
  • FIG. 2 is a lateral sectional view thereof
  • FIG. 3 is a sectional view of the anti-clogging means suitable for a Weavers Knot producing device.
  • anti-clogging means comprises a member I made preferably of prestamped synthetic plastic material or of rubber or of equivalent material. 0n member 1 there are provided pegs 2 and shoulders 3 for the rapid assembling and static coordination of the member 1 with the upper wall 4 of the body 5 of the knotting device.
  • an elastic and flexible foil 14 made from prestamped material, which foil serves the purpose of ob structing the slot 12 and of adhering with its free terminal end both to the inner surface of the back wall of the body 5 and to the said mobile lever 13, without hindering, however, the operative displacements of this lever.
  • the foil 14 there is provided at least one elastic and flexible wing 15 facing upwardly and preferably inclined upwardly, which wing 15 is also coordinated to the lever 13 and forms a seal and defines, together with the foil 14 and with the walls of the body 5, a channel or chamber 16 to contain the dust and lint generated by the threads.
  • the inclined wing 15 is connected to the member I only at its extremities.
  • the base remains free and detached from the member 1 so as to define an aperture 18 through which passes and operates the back lever 13 of the knotting device.
  • the anti-clogging means described hereabove is coordinated to the body of the knotting device as illustrated in FIG. 3.
  • the flexible wings 9, l0 obstruct the slot 7 of body 5, while the foil 14, together with the inclined flexible wing 15, obstructs the second slot 13 of the body 5 so as to prevent the passage of dust and lint to the inside of the body 5, without preventing the free operational displacements of the levers of the device.
  • the frontal wing 9 consti' .tutes a first barrier or seal against the penetration of dust through the frontal slot 7;
  • the channel 11 serves for the containment of the dust which has succeeded to filter through the first barrier;
  • the lower flexible wing 10 constitutes a second barrier or seal which substantially completely prevents the passage of dust inside the body 5.
  • the inclined upper wing 15 and the foil 14 of member 1 form respectively a first and a second barrier or seal against the penetration of dust through the back slot 12 of body .5, while the channel 16 defined by the said two barriers serves to contain the dust which might have passed through wing 15.
  • an anti-clogging means specifically suited for knotting devices for Weaver's Knots.
  • the same sealing means may be adapted to other types of knots, such as the Fisherman Knot".
  • the anticlogging means may have a single, frontal wing and a single back wing.
  • Anti-clogging means for the knotting device of automatic threading machines wherein a member is statically connected to the upper wall of the body of said knotting device and wherein at least one frontal and at least one back slot are provided in said upper wall for the passage of the operative levers of said device, said anti-clogging means comprising: a pair of longitudinal flexible wings parallel to each other and positioned on one surface thereof; a first channel defined between said longitudinal parallel wings; a flexible foil positioned on another surface thereof; an inclined and upwardly facing wing on said foil; a second channel defined by said inclined wing and said foil; said longitudinal wings being positioned in such a manner as to obstruct said frontal and back slots.
  • the anti-clogging means comprising at least one longitudinal flexible wing and at least one inclined wing, said inclined wing having a free lower base; said wings being juxtaposed with said slots in the upper wall of the body and with said operative levers.
  • the anti-clogging means according to claim 1, comprising further means to fixedly connect said member to said upper wall of said body.

Landscapes

  • Knitting Machines (AREA)
  • Binders And Loading Units For Sheaves (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Socks And Pantyhose (AREA)
US00289616A 1971-10-06 1972-09-15 Anti-clogging means for automatic thread-knotting devices Expired - Lifetime US3799590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5213/71A IT940313B (it) 1971-10-06 1971-10-06 Protezione contro la polvere e l in tasamento degli organi di comando da montare su annodatori automati ci di filato in genere

Publications (1)

Publication Number Publication Date
US3799590A true US3799590A (en) 1974-03-26

Family

ID=11119433

Family Applications (1)

Application Number Title Priority Date Filing Date
US00289616A Expired - Lifetime US3799590A (en) 1971-10-06 1972-09-15 Anti-clogging means for automatic thread-knotting devices

Country Status (5)

Country Link
US (1) US3799590A (it)
JP (1) JPS5410653B2 (it)
DE (1) DE2247750C3 (it)
GB (1) GB1400590A (it)
IT (1) IT940313B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060041271A1 (en) * 2004-08-20 2006-02-23 Gjalt Bosma Vascular filter with sleeve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114483962B (zh) * 2022-04-02 2022-06-24 东营海森密封技术有限责任公司 一种机翼形动压非接触式密封结构

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400960A (en) * 1965-10-28 1968-09-10 Mes Dan Annodatori Tessili Di Apparatus for knotting threads with the so-called weaver's knot

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400960A (en) * 1965-10-28 1968-09-10 Mes Dan Annodatori Tessili Di Apparatus for knotting threads with the so-called weaver's knot

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060041271A1 (en) * 2004-08-20 2006-02-23 Gjalt Bosma Vascular filter with sleeve
US20090069839A1 (en) * 2004-08-20 2009-03-12 Gjalt Bosma Vascular filter with sleeve
US8133253B2 (en) 2004-08-20 2012-03-13 Cordis Corporation Vascular filter with sleeve

Also Published As

Publication number Publication date
JPS4861753A (it) 1973-08-29
DE2247750A1 (de) 1973-04-12
GB1400590A (en) 1975-07-16
IT940313B (it) 1973-02-10
JPS5410653B2 (it) 1979-05-09
DE2247750B2 (de) 1979-04-12
DE2247750C3 (de) 1979-12-06

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