US4644622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for air entangling a plurality of advancing yarns
Assignee: Oerlikon Barmag AG
•
Filing: 1985-04-05
•
Granted: 1987-02-24
•
Expires: 2005-04-05
Abstract
Abstract An apparatus is disclosed for simultaneously air jet entangling a plurality of advancing multifilament yarns. The apparatus includes a plurality of elongate air jet beams, with each beam having a longitudinal air passageway extending along its length, and at least one row of closely spaced air jet nozzle heads supported along each of the beams. Each of the nozzle heads includes a plurality of individual yarn entanglement nozzles and a central air chamber connecting the central air chamber to the air passageway. Also, an air jet aperture communicates between the air passageway and the yarn duct of each entanglement nozzle for directing an impinging airstream against an advancing yarn passing through the duct. The beams are mounted for adjustment on a supporting frame so that the nozzle heads may be positioned in proper alignment with a sheet of yarns passing therethrough. The beams may be rectangular or round in cross section and the nozzle heads are releasably connected along the length of the beams. An enclosure suction box surrounds the beams and removes the air exhausted from the entanglement jets and acts to insulate the noise of the entanglement jets.
Inventors
- 👤 Karl Bauer
- 👤 Michael Hanisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:52
CPC Classifications
D; D02; D02H; D02H11/00; D02J; D02J1/00; D02J1/08
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
157 words
An apparatus for simultaneously air jet entangling a plurality of advancing multifilament yarns, and which is adapted for use in association with the drawing and warp beaming of such yarns, and comprising an elongate air jet beam, said air jet beam including a longitudinal air supply passagway extending along its length, a plurality of individual air jet nozzle heads releasably mounted in a row along said air jet beam, and with said heads being mounted only to said beam and being disposed in a closely spaced relationship therealong, and each of said air jet nozzle heads including a plurality of individual yarn entanglement nozzles and a central air chamber communicatively connected with said individual yarn entanglement nozzles and said air supply passageway so that air passes from said air supply passageway, through said central air chamber, and into said individual yarn entanglement nozzles to engage and air jet entangle individual yarns passing through said yarn entanglement nozzles.
Claim 2
Independent Claim
157 words
An apparatus for simultaneously air jet entangling a plurality of advancing multifilament yarns, and which is adapted for use in association with the drawing and warp beaming of such yarns, and comprising an elongate air jet beam, said air jet beam including a longitudinal air supply passagway extending along its length, a plurality of individual air jet nozzle heads releasably mounted in a row along said air jet beam, and with said heads being mounted only to said beam and being disposed in a closely spaced relationship therealong, and each of said air jet nozzle heads including a plurality of individual yarn entanglement nozzles and a central air chamber communicatively connected with said individual yarn entanglement nozzles and said air supply passageway so that air passes from said air supply passageway, through said central air chamber, and into said individual yarn entanglement nozzles to engage and air jet entangle individual yarns passing through said yarn entanglement nozzles.
Claim 3
Dependent Claim
42 words
An apparatus according to claim 1 wherein each of said yarn entanglement nozzles comprises an elongate yarn duct through which the yarn passes, and wherein said elongate yarn ducts of each of said air jet nozzle heads extend parallel to each other.
Claim 4
Dependent Claim
47 words
An apparatus according to claim 2 wherein said yarn entanglement nozzles are arranged in at least one row in each of said air jet nozzle heads, and wherein the space between adjacent elongate yarn ducts is within the range of from about 1.5 mm to 15 mm.
Claim 5
Dependent Claim
26 words
An apparatus according to claim 1 wherein said air jet nozzle heads are supported in a single row along one side of said air jet beam.
Claim 6
Dependent Claim
24 words
An apparatus according to claim 1 wherein said air jet nozzle heads are supported in rows on opposite sides of said air jet beam.
Claim 7
Dependent Claim
34 words
An apparatus according to claim 1 including a support frame, and including means on at least one end of said air jet beam for supporting the same for rotational positioning on said support frame.
Claim 8
Dependent Claim
22 words
An apparatus according to claim 1 wherein each of said air jet nozzle heads includes at least six closely spaced entanglement nozzles.
Claim 9
Dependent Claim
47 words
An apparatus according to claim 1 wherein each of said air jet nozzle heads includes a housing, an insert supported in said housing, and a plurality of parallel bores extending through said insert and forming a yarn passage duct in each of said individual yarn entanglement nozzles.
Claim 10
Dependent Claim
34 words
An apparatus according to claim 8 wherein said bores in said insert are positioned in two rows of at least six bores each, and wherein said bores extend in planes parallel to each other.
Claim 11
Dependent Claim
17 words
An apparatus according to claim 9 wherein said bores in adjacent rows are offset from each other.
Claim 12
Dependent Claim
27 words
An apparatus according to claim 8 wherein said bores are formed in four parallel rows, and wherein said bores of adjacent rows are offset from each other.
Claim 13
Dependent Claim
63 words
An apparatus according to claim 1 wherein each of said air jet nozzle heads includes a pair of parallel plates, a row of bores formed in each of said plates and providing yarn passage ducts in each of said individual yarn entanglement nozzles, said central air chamber extending between said parallel plates, and air channels connecting said central air channel with said bores.
Claim 14
Dependent Claim
96 words
An apparatus according to claim 1 wherein each of said air jet nozzle heads includes a hollow housing having opposite side walls, and aligned pairs of bores formed in said opposite side walls of said hollow housing, and wherein each of said yarn entanglement nozzles includes an individual tubular nozzle insert supported in one of said pair of aligned bores and extending therethrough, and an air channel extending in a radial direction into each of said nozzle inserts, and means for supplying air to the interior of said hollow housing of each of said nozzle heads.
Claim 15
Dependent Claim
41 words
An apparatus according to claim 13 including a rectangular platelet fixed on one end of each of said individual nozzle inserts, and wherein adjacent edges of said rectangular platelets are positioned so that the adjacent platelets abut each other without interspace.
Claim 16
Dependent Claim
49 words
An apparatus according to claim 14 wherein said rectangular platelets include indented edges to provide a mutual overlap when assembled, and including a single clamp lever supported on said housing to engage one of said platelets and thereby maintain all of said platelets and associated insertible nozzles in position.
Claim 17
Dependent Claim
34 words
An apparatus according to claim 1 including a support frame, and wherein said air jet beam is supported on said support frame, and an air supply line directly connected to said air jet beam.
Claim 18
Dependent Claim
58 words
An apparatus according to claim 1 including a hollow support frame, wherein said air jet beam is supported on said hollow support frame with the air supply passage thereof in communication with the interior of said hollow support frame, and an air supply line connected to said hollow support frame for directing air into said air jet beam.
Claim 19
Dependent Claim
30 words
An apparatus according to claim 1 including two rows of nozzle heads positioned in substantially 180° relationship to each other and extending along opposite sides of said air jet beam.
Claim 20
Dependent Claim
63 words
An apparatus according to claim 1 including an enclosure box surrounding said air jet beam and extending across a portion of the yarn path at the entry and exit sides thereof, sound absorbing means on the inner surface of said enclosure box, and a suction system provided on the interior of said enclosure box for removing air exhausted from said yarn entanglement nozzles.
Claim 21
Dependent Claim
30 words
An apparatus according to claim 19 wherein said enclosure box includes spaced-apart upper and lower walls, and including means for vertically adjusting the distance between said upper and lower walls.
Claim 22
Dependent Claim
41 words
An apparatus according to claim 1 including a pair of said air jet beams disposed in a parallel arrangement, and wherein a row of said closely spaced air jet nozzle heads is mounted on each of said beams in opposing relationship.
Claim 23
Dependent Claim
93 words
An apparatus according to claim 1 wherein each of said air jet nozzle heads includes parallel bores extending therethrough, a threading slot communicating between the outer portion of said nozzle head and said bore, branch air channels connecting said central air chamber with said bores, and a cylindrical member supported for rotation in said bore and including longitudinal groove means therein, said cylindrical member being rotatable between a threading position with said groove means communicating with said threading slot and an operating position covering said threading slot and providing a yarn duct therethrough.
Claim 24
Dependent Claim
58 words
An apparatus according to claim 22 wherein said cylindrical member includes an outer tube fixed in said bore and including a slot in alignment with said threading slot, and an inner tubular member having a longitudinal slot which may be rotated into alignment with said threading slot and rotated out of alignment therewith to close the yarn duct.
Claim 25
Dependent Claim
37 words
An apparatus according to claim 22 wherein said cylindrical member comprises a single rotatable tubular member supported for rotation in said bore and including a longitudinal slot movable into and out of alignment with said threading slot.
Claim 26
Dependent Claim
52 words
An apparatus according to claim 22 wherein said cylindrical member comprises an outer tube fixed in said bore and including a longitudinal slot in alignment with said threading slot, and a cylindrical inner rod with a longitudinal groove therein adapted to be moved into and out of alignment with said threading slot.
Claim 27
Dependent Claim
20 words
An apparatus according to claim 25 wherein said groove in said rotatable cylindrical inner rod is rectangular in cross section.
Claim 28
Dependent Claim
19 words
An apparatus according to claim 25 wherein said groove in said cylindrical inner rod is rounded in cross section.
Claim 29
Dependent Claim
94 words
An apparatus according to claim 1 wherein each of said air jet nozzle heads includes a plane outer surface having grooves forming elongate yarn ducts therein, each of said yarn ducts being connected to the central air chamber in said nozzle head and being arranged parallel with the direction of the yarn passing therethrough, a cover plate extending over said yarn ducts, and closing means associated with said cover plate for maintaining said cover plate in tight engagement with said outer surface and covering said yarn ducts to thereby form individual yarn entanglement nozzles.
Claim 30
Dependent Claim
12 words
An apparatus according to claim 28 wherein said closing means comprises magnets.
Claim 31
Dependent Claim
74 words
An apparatus according to claim 28 wherein each of said air jet nozzle heads includes inwardly tapering opposite side walls defining an upwardly extending wedge-shaped body having a conical cross section, said side walls of adjacent of said air jet nozzle heads defining a V-shaped opening therebetween, and wherein said closing means comprises a wedge-shaped closure member positioned in and matching the V-shaped opening between adjacent nozzle heads to thereby close said yarn ducts.
Claim 32
Dependent Claim
58 words
An apparatus according to claim 30 wherein said wedge-shaped bodies each comprise a pair of closing plates, and a pivot rod positioned in the medial portion and between said pair of closing plates so that said closing plates mate with said outer surfaces of said side walls of adjacent nozzle heads and tightly close said yarn ducts therein.
References Cited (Backward Citations)
US3022566A
Cited
US3134158A
Cited
US3353344A
Cited
US3261071A
Cited
US3324526A
Cited
US3367100A
Cited
US3537248A
Cited
US3555808A
Cited
US3659350A
Cited
US3822449A
Cited
US4223520A
Cited
US4068358A
Cited
DE2611547A1
Cited
GB1576355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-02-23 | 1990-08-25 | 1991-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-23 | 1994-08-25 | 1995-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-23 | 1998-08-25 | 1999-02-24 | $7700.00 | Window Closed / Lapsed |