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EP0158933A2
Expired / Lapsed
EP
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Method and apparatus for passing thread through member formed with opening
Assignee: Nabtesco Corp
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Filing: 1985-04-03
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Granted: —
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Expires: 2005-04-03
Abstract
Abstract An apparatus for passing a thread (WT) through a member (26) formed with an opening (28), comprising; a first member (116) formed with a passageway (120) passing therethrough movable in an axial direction, the first member (116) comprising upper and lower parts (116a,116b) which are movable toward and away from each other in a direction substantially perpendicular to the axial direction; a second member (118) formed with a passageway (128) passing therethrough, the second member (118) and the first member (116) being movable toward and away from each other in the axial direction; a unit for interposing the member (26) formed with the opening (28) between the first and second members (116,118); a unit for transferring the thread to the passageway (120) of the first member (116); a unit for passing the thread through the passageway (120) of the first member (116), the opening in the member and the passageway (128) of the second member (118) by vacuum suction; and a unit for taking out the thread passed through the opening of the member from the first member (116).
Inventors
- 👤 Juro Tachibana
- 👤 Yoshihide Nishimura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 12:29
CPC Classifications
D; D03; D03J; D03J1/00; D03J1/14
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
196 words
A method for passing a thread through a member formed with an opening, comprising the steps of: interposing the member (26) formed with the opening (28) between a first member (116) formed with a passageway (120) passing therethrough and a second member (118) formed with a passageway (128) passing therethrough, the first member (116) comprising upper and lower parts (116a,116b) which are movable toward and away from each other; transferring the thread (WT) to the passageway (120) of the first member (116); passing the thread through said passageway (120)of said first member (116), the opening (28) of the member (26) and said passageway (128) of said second member (118); moving said first and second members (116,118) away from each other in a direction substantially parallel to the path of the thread; separating the upper and lower parts (116a,116b) of the first member (116) in a direction substantially perpendicular to the path of the thread; and taking out the thread passed through the opening of the member from the separated first member (116), characterized in that the thread (WT) is passed through said passageways (120,128) and through the opening (28) of the member (26) by vacuum suction.
Claim 2
Independent Claim
196 words
A method for passing a thread through a member formed with an opening, comprising the steps of: interposing the member (26) formed with the opening (28) between a first member (116) formed with a passageway (120) passing therethrough and a second member (118) formed with a passageway (128) passing therethrough, the first member (116) comprising upper and lower parts (116a,116b) which are movable toward and away from each other; transferring the thread (WT) to the passageway (120) of the first member (116); passing the thread through said passageway (120)of said first member (116), the opening (28) of the member (26) and said passageway (128) of said second member (118); moving said first and second members (116,118) away from each other in a direction substantially parallel to the path of the thread; separating the upper and lower parts (116a,116b) of the first member (116) in a direction substantially perpendicular to the path of the thread; and taking out the thread passed through the opening of the member from the separated first member (116), characterized in that the thread (WT) is passed through said passageways (120,128) and through the opening (28) of the member (26) by vacuum suction.
Claim 3
Independent Claim
187 words
A method for passing a warp thread through a heddle eye in a heddle, characterized by the steps of: interposing the heddle (26) between a guide nozzle (116) formed with a passageway (120) passing therethrough and a suction nozzle (118) formed with a passageway (128) passing therethrough, the guide nozzle (116) comprising upper and lower parts (116a,116b) which are movable toward and away from each other; transferring the warp thread (WT) to said passageway (120) of said guide nozzle (116); passing the warp thread (WT) through said passageway (120) of said guide nozzle (116), the heddle eye (28) in the heddle (26) and said passageway (128) of said suction nozzle (118) by vaccum suction; moving said guide and suction nozzles (116,118) away from each other in a direction substantially parallel to the path of the warp thread (WT); separating the upper and lower parts (116a,116b) of said guide nozzle (116) in a direction substantially perpendicular to the path of the warp thread (WT);and taking out from the separated guide nozzle (116) the warp thread ( W T) passed through the eye (28) in the heddle (26) .
Claim 4
Independent Claim
187 words
A method for passing a warp thread through a heddle eye in a heddle, characterized by the steps of: interposing the heddle (26) between a guide nozzle (116) formed with a passageway (120) passing therethrough and a suction nozzle (118) formed with a passageway (128) passing therethrough, the guide nozzle (116) comprising upper and lower parts (116a,116b) which are movable toward and away from each other; transferring the warp thread (WT) to said passageway (120) of said guide nozzle (116); passing the warp thread (WT) through said passageway (120) of said guide nozzle (116), the heddle eye (28) in the heddle (26) and said passageway (128) of said suction nozzle (118) by vaccum suction; moving said guide and suction nozzles (116,118) away from each other in a direction substantially parallel to the path of the warp thread (WT); separating the upper and lower parts (116a,116b) of said guide nozzle (116) in a direction substantially perpendicular to the path of the warp thread (WT);and taking out from the separated guide nozzle (116) the warp thread ( W T) passed through the eye (28) in the heddle (26) .
Claim 5
Independent Claim
202 words
A apparatus for passing a thread through a member formed with an opening, comprising: a first member (116) formed with a passageway (120) passing therethrough movable in an axial direction, the first member (116) comprising upper and lower parts (116a,116b) which are movable toward and away from each other in a direction substantially perpendicular to said axial direction; a second member (118) formed with a passageway (128) passing therethrough, the second member (118) and said first member (116) being movable toward and away from each other in said axial direction; means (24) for interposing the member (26) formed with the opening (28) between said first and second members (116, 118); means (20) for transferring the thread to said passageway (120) of said first member (116); means (32) for passing the thread through said passageway (120) of said first member (116), the opening in the member and said passageway (128) of said second member (118); and means (138,140) for taking out the thread passed through the opening of the member from said first member (116), characterized in that said means (32) for passing the thread through said passageways (120,128) and said opening (28) of said member (26) is formed by vaccum suction means.
Claim 6
Independent Claim
202 words
A apparatus for passing a thread through a member formed with an opening, comprising: a first member (116) formed with a passageway (120) passing therethrough movable in an axial direction, the first member (116) comprising upper and lower parts (116a,116b) which are movable toward and away from each other in a direction substantially perpendicular to said axial direction; a second member (118) formed with a passageway (128) passing therethrough, the second member (118) and said first member (116) being movable toward and away from each other in said axial direction; means (24) for interposing the member (26) formed with the opening (28) between said first and second members (116, 118); means (20) for transferring the thread to said passageway (120) of said first member (116); means (32) for passing the thread through said passageway (120) of said first member (116), the opening in the member and said passageway (128) of said second member (118); and means (138,140) for taking out the thread passed through the opening of the member from said first member (116), characterized in that said means (32) for passing the thread through said passageways (120,128) and said opening (28) of said member (26) is formed by vaccum suction means.
Claim 7
Independent Claim
167 words
An apparatus for passing a warp thread through a heddle eye in a heddle, characterized by: a warp beam (22) having a plurality of warp threads (WT) wound thereon; warp thread supply means (20) adapted to take out the warp thread (WT) one by one from said warp beam (22) and transfer the warp thread (WT) to a predetermined first position (A); a heddle magazine (30) having a plurality of heddles (26) formed with a heddle eye (28); heddle supply means (24) adapted to take out the heddles (26) one by one from said heddle magazine (30) and transfer the heddle (26) to a predetermined second position (B); warp suction means (32) adapted to pass the warp thread (WT) in the predetermined first position through the heddle eye (28) in the heddle (26) in the predetermined second position by vaccum suction; and means (138,140) for taking out the warp thread (WT) passed through the heddle eye (28) in the heddle (26) from said warp suction means (32).
Claim 8
Independent Claim
167 words
An apparatus for passing a warp thread through a heddle eye in a heddle, characterized by: a warp beam (22) having a plurality of warp threads (WT) wound thereon; warp thread supply means (20) adapted to take out the warp thread (WT) one by one from said warp beam (22) and transfer the warp thread (WT) to a predetermined first position (A); a heddle magazine (30) having a plurality of heddles (26) formed with a heddle eye (28); heddle supply means (24) adapted to take out the heddles (26) one by one from said heddle magazine (30) and transfer the heddle (26) to a predetermined second position (B); warp suction means (32) adapted to pass the warp thread (WT) in the predetermined first position through the heddle eye (28) in the heddle (26) in the predetermined second position by vaccum suction; and means (138,140) for taking out the warp thread (WT) passed through the heddle eye (28) in the heddle (26) from said warp suction means (32).
Claim 9
Dependent Claim
120 words
An apparatus as set forth in claim 4, characterized in that said thread supply means (20) comprises a pair of warp guide tubes (34,36) which are movable toward and away from each other so that the warp thread (WT) is released from a plurality of the warp threads (WT) wwhich are paid out from said warp beam (22), a separation-suction nozzle (40) adapted to separate the warp thread (WT) from the remainder of the warp threads (WT), a warp chuck (42) having chuck members (80,82) to grip the warp thread, and a pivotable arm (66) having said warp chuck (42) mounted on one end thereof, the pivotable arm (66) being pivotable toward and away from the predetermined first position (A).
Claim 10
Dependent Claim
107 words
An apparatus as set forth in claim 4, characterized in that said warp suction means (32) comprises a warp guide nozzle (116) formed with a guide passageway (120) and a warp suction nozzle (118) formed with a suction passageway (128) which is in axial alignment with the guide passageway (120) of the warp guide member (116), the warp guide nozzle (116) and the warp suction nozzle (118) being movable toward and away from each other in axial direction, the warp guide nozzle (116) including upper and lower parts (116a,116b) which are movable toward and away from each other in a direction substantially perpendicular to the axial direction.
Claim 11
Dependent Claim
27 words
An apparatus as set forth in claim 6, characterized in that said warp guide nozzle (116) is formed at one end thereof with a V-shaped recess (117).
Claim 12
Dependent Claim
21 words
An apparatus as set forth in claim 6, characterized in that said guide passageway (120) is tapered toward one end thereof.
Claim 13
Dependent Claim
75 words
An apparatus as set forth in claim 6, characterized in that said warp suction nozzle (118) is provided with a buffer cylindrical sleeve (130) with a spring (132) to absorb impact force when brought into abutting engagement with the warp guide nozzle (116), the buffer cylindrical sleeve (130) having an O-ring (134) attached thereto to provide hermetical sealing when the warp suction nozzle (118) is brought into abutting engagement with the warp guide nozzle (116).
References Cited (Backward Citations)
No citation records indexed.
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