US3782617A - Apparatus for withdrawing rapidly moving yarn material - Google Patents

Apparatus for withdrawing rapidly moving yarn material Download PDF

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Publication number
US3782617A
US3782617A US00261737A US3782617DA US3782617A US 3782617 A US3782617 A US 3782617A US 00261737 A US00261737 A US 00261737A US 3782617D A US3782617D A US 3782617DA US 3782617 A US3782617 A US 3782617A
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US
United States
Prior art keywords
suction
compressed air
bore
cylindrical compartment
air channel
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.)
Expired - Lifetime
Application number
US00261737A
Other languages
English (en)
Inventor
H Gasser
I Plezer
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.)
Luwa Ltd
Original Assignee
Luwa 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 Luwa Ltd filed Critical Luwa Ltd
Application granted granted Critical
Publication of US3782617A publication Critical patent/US3782617A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H51/00—Forwarding filamentary material
    • B65H51/16—Devices for entraining material by flow of liquids or gases, e.g. air-blast devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/86—Arrangements for taking-up waste material before or after winding or depositing
    • B65H54/88—Arrangements for taking-up waste material before or after winding or depositing by means of pneumatic arrangements, e.g. suction guns
    • 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 present invention relates to a new and improved construction of apparatus for sucking off or withdrawing rapidlymoving yarnmaterial.
  • the termyarn material as used in the context of this application is not em- ,ployed in any limiting sense, rather is intended to encompass most types of filamentary material, such as threads, yarns,.and the like.
  • the prior art is familiar with equipment for sucking off rapidly moving yarn material which functions according to the principles of an injector.
  • a suction conduit guiding the yarn, thesuction conduit opening into awidened cylindrical compartment and issurrounded by a ring-shaped discharge or jet nozzle which flow communicates with a compressed air source.
  • Compressed air is delivered by means of a radially extending channel into the annular compartment opening at the jet nozzle.
  • Still a further significant object of the present invention relates to an improved apparatus for sucking off rapidly, moving yarn material which is capable of exerting a sufficient tension force at the yarn material.
  • Yet another important object of the present invention relates to an improved construction of apparatus .only. after experiencing a commingling action. Conse quently, the solution proposed by the invention is predicated upon the features of generating a spin or twist flow in the cylindrical compartment by means of compressed air and permitting the yarn material, centrally introduced through the suction conduit, from being carried out of the core zone by the spin flow and directlysubjected. to the actionof such spin flow.
  • the inventive apparatus embodies a suction bore, an approximately cylindrical compartment into which approximately coaxially opens the suction bore and which compartment possesses a larger diameter than the suction bore. Further, there is pro vided a compressed air channel which opens into this cylindrical compartment, the compressed air channel entering approximately tangentially into the cylindrical compartment.
  • the position of the mouth of the compressed air channel at the cylindrical compartment with respect to the plane containing the mouth of the suction bore is offset downstream with respect to the direction of flow, i.e., also with regard to the direction of movement of the yarn material.
  • the exemplary illustrated apparatus constitutes a piece of equipment intended to be installed at the winding locations or stations of a texturizing machine in which there can be randomly processed right-hand or left-hand twistedyarn.
  • reference numeral 2 designates a housing body which can be secured in any convenient manner, therefore not particularly shown, to the winding location ors tation.
  • a longitudinal or lengthwise extending bore 4 completely extends through the housing body 2. Bores 6, 8 and 10 provided at the housing body 2 open into the longitudinal bore 4 in a direction substantially perpendicular thereto.
  • the bores 6 and 8 are connected via conduits l4 and 16 with a suitable suction installation 12. constituting part of the texturizing machine.
  • the bore 10 arranged between the bores 6 and 8 is con- While the one end of the longitudinal bore 4 is closed orcovered by a suitable cover member 22, aninsert24 extends into the longitudinal bore 4 from the opposite end of the housing body 2.
  • This insert 24 embodies a sleeve member 26 which incorporates a tapered central portion 28 and a tapered end portion 30.
  • the tapered central portion 28 together with the inner wall of the longitudinal bore 4 delimits a compartment 32 which flow communicates with the bore 10 and issealed by means of sealing O-rings 34 inserted at both ends of the central portion 28 into the sleeve member 26, as shown.
  • the sleeve member 26 is retained in the axial direction within the housing body 2 by means of an ad- I justing screw 36 which engages with a peripheral groove 38 provided at such sleeve member 26.
  • an elongate hole 40 through which nected via a conduit .18 with a compressed air source extends an entrainment screw 42.
  • the entrainment screw 42 is inserted into a gripping or operating element 44 which is displaceably guided at the tapered end portion 30.
  • the gripping element 44 is connected with a suction conduit or pipe 48 which is seated in a bore 46 of the sleeve member 26 and for the purpose of accommodating the end of the entrainment screw 42 is provided with a circumferential groove 54.
  • the suction conduit 48 contains an axially extending suction bore 50 with a substantially trumpet-shaped inlet 52.
  • the discharge mouth or outlet 58 of the suction bore 50 is located at a stepped end portion or mouthpiece 56 of the suction conduit 48.
  • a compressed air channel 60 opens into the sleeve bore 46, this compressed air channel 60 being offset downstream in the direction of flow by a small amount with regard to the outlet or mouth 58.
  • the axis of the compressed air channel 60 extends approximately tangentially with regard to the wall of the sleeve bore 46.
  • the suction conduit 48 can be displaced out of its full line illustrated termi nal position together with the gripping or operating element 44 into the phantom line illustrated terminal position.
  • the extension of the elongate hole 40, limiting the displacement path, is selected such that two O-rings 62 inserted into the suction conduit 48 come to rest at both sides of the compressed air channel 60, whereas the mouth thereof is covered by the suction conduit 48 when such is located in the phantom line illustrated terminal position.
  • the cylindrical compartment 64 formed by the sleeve bore 46 and the discharge end or mouth 58 of the suction conduit 48 is in flow communication, through the agency of a trumpet-shaped outlet 66, with a compartment 68 bounded by the longitudinal bore 4 and the cover member 22, and into which compartment 68 the bore 8 opens.
  • the yarn F is delivered to the bore 8 and thereafter is taken over by the conduit 16 of the suction installation 12 of the equipment.
  • a sufficiently high transport air velocity prevails in the conduit i6 in order to avoid clogging or damming up of yarn.
  • the yarn travelling into the apparatus is deposited in the form of a loop upon the rotating new bobbin sleeve and the yarn connection to the apparatus and namely to the suction conduit 48 is severed by any suitable and therefore not particularly illustrated cutting device. If the appropriate yarn end has been completely grasped by the apparatus, then, by displacing the operating or gripping element 44 into the phantom line position, the infeed of compressed air from the compartment 32 can be interrupted and therefore the apparatus can be placed out of operation.
  • the apparatus as shown in the illustrated assembled position of the insert 24, is designed for operation with left-hand twisted yarns, such can be converted most simply for processing right-hand twisted yarns.
  • the screw 36 is released to such an extent that the sleeve member 30 is freed, and the insert 24 is withdrawn out of the longitudinal bore 4.
  • the cover member 22 is inserted from the leftside into the longitudinal bore 4.
  • the insert member 24 into the longitudinal bore 4 and by means of the previously loosened screw 37 such is secured in a mirror-image reversed position.
  • Suction conduit 48 Diameter (4)) of the suction bore 50 3 mm Length of the suction bore 50 50 mm Length of the end portion 56 2 mm 2.
  • An apparatus for withdrawing rapidly moving yarn 1 material comprising means defining a suction bore
  • said means defining said suction bore comprising a displaceable suction conduit, an approximately cylindrical compartment, said suction bore opening approximately coaxially into said cylindrical compartment, said cylindrical compartment possessing a diameter which is larger than the diameter of the suction bore, a compressed airchannel opening approximately tangentially into said cylindrical compartment, a sleeve member containing said compressed air channel, said suction conduit being displaceable between two positions within said sleeve member, and wherein in one of said positions the suction conduit closes the compressed air channel.
  • An apparatus for withdrawing rapidly moving yarn material comprising means defining a suction bore, an approximately cylindrical compartment, said suction bore opening approximately coaxially into said cylin drical compartment, said cylindrical compartment possessing a diameter which is larger than the diameter of the suction bore, a compressed air channel opening approximately tangentially into said cylindrical, compartment, means for shutting-off the compressed air chan nel, said means defining said suction bore comprises a suction conduit, a sleeve member containing said compressed air channel, said suction conduit being displaceable in said sleeve member, a suction installation and a compressed air source, a housing having means for connecting the cylindrical compartment with the suction installation and the compressed air channel with the compressed air source, and wherein the suction conduit and said sleeve member form an insert which can be selectively inserted into one of two positions in the housing.

Landscapes

  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Coiling Of Filamentary Materials In General (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
US00261737A 1971-06-18 1972-06-12 Apparatus for withdrawing rapidly moving yarn material Expired - Lifetime US3782617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH890971A CH539572A (de) 1971-06-18 1971-06-18 Textilmaschine mit pneumatischer Hilfseinrichtung

Publications (1)

Publication Number Publication Date
US3782617A true US3782617A (en) 1974-01-01

Family

ID=4346145

Family Applications (1)

Application Number Title Priority Date Filing Date
US00261737A Expired - Lifetime US3782617A (en) 1971-06-18 1972-06-12 Apparatus for withdrawing rapidly moving yarn material

Country Status (10)

Country Link
US (1) US3782617A (fi)
AR (1) AR196996A1 (fi)
BR (1) BR7203905D0 (fi)
CH (1) CH539572A (fi)
DE (1) DE2228495A1 (fi)
ES (1) ES404484A1 (fi)
FI (1) FI53323C (fi)
FR (1) FR2142514A5 (fi)
GB (1) GB1391505A (fi)
IT (1) IT956680B (fi)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411382A1 (de) * 1989-08-04 1991-02-06 W. SCHLAFHORST AG & CO. Kopsvorbereitungseinrichtung zum Aufwinden des Fadenanfanges auf der Hülsenspitze des Kopses
US6296201B1 (en) * 2000-01-28 2001-10-02 Lucent Technologies Inc. Method and apparatus for removing optical fiber
US20170189016A1 (en) * 2010-05-04 2017-07-06 Ethicon, Inc. Laser cutting system and methods for creating self-retaining sutures

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270290D1 (en) * 1982-01-15 1986-05-07 Rieter Ag Maschf Yarn suction device
IT1265443B1 (it) * 1993-12-24 1996-11-22 Menegatto Srl Dispositivo di aspirazione di filato in macchine tessili

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445995A (en) * 1966-12-19 1969-05-27 Leesona Corp Strand twisting apparatus
US3452910A (en) * 1967-07-17 1969-07-01 Leesona Corp Yarn handling apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445995A (en) * 1966-12-19 1969-05-27 Leesona Corp Strand twisting apparatus
US3452910A (en) * 1967-07-17 1969-07-01 Leesona Corp Yarn handling apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411382A1 (de) * 1989-08-04 1991-02-06 W. SCHLAFHORST AG & CO. Kopsvorbereitungseinrichtung zum Aufwinden des Fadenanfanges auf der Hülsenspitze des Kopses
US6296201B1 (en) * 2000-01-28 2001-10-02 Lucent Technologies Inc. Method and apparatus for removing optical fiber
US20170189016A1 (en) * 2010-05-04 2017-07-06 Ethicon, Inc. Laser cutting system and methods for creating self-retaining sutures
US10952721B2 (en) * 2010-05-04 2021-03-23 Ethicon, Inc. Laser cutting system and methods for creating self-retaining sutures
US11234692B2 (en) 2010-05-04 2022-02-01 Cilag Gmbh International Self-retaining system having laser-cut retainers

Also Published As

Publication number Publication date
DE2228495A1 (de) 1972-12-21
GB1391505A (en) 1975-04-23
IT956680B (it) 1973-10-10
ES404484A1 (es) 1975-06-16
CH539572A (de) 1973-07-31
AR196996A1 (es) 1974-03-08
FR2142514A5 (fi) 1973-01-26
BR7203905D0 (pt) 1973-06-12
FI53323C (fi) 1978-04-10
FI53323B (fi) 1977-12-30

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