EP0119393A2 - Dispositif pour transmettre une extrémité de fil de trame dans un métier à tisser à navettes à griffes - Google Patents

Dispositif pour transmettre une extrémité de fil de trame dans un métier à tisser à navettes à griffes Download PDF

Info

Publication number: EP0119393A2
Authority: EP; European Patent Office
Prior art keywords: thread; weft; shuttle; weft thread; path
Prior art date: 1983-02-08
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.): Granted

Application number

EP84100391A

Other languages

German (de)

English (en)

Other versions

EP0119393A3 (en

EP0119393B1 (fr

Inventor

Heinz Joos

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.)

F Oberdorfer & Co KG Industriegewebe-Techni GmbH

Original Assignee

F Oberdorfer & Co KG Industriegewebe-Technik GmbH

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.)

1983-02-08

Filing date

1984-01-16

Publication date

1984-09-26

1984-01-16 Application filed by F Oberdorfer & Co KG Industriegewebe-Technik GmbH filed Critical F Oberdorfer & Co KG Industriegewebe-Technik GmbH

1984-01-16 Priority to AT84100391T priority Critical patent/ATE20912T1/de

1984-09-26 Publication of EP0119393A2 publication Critical patent/EP0119393A2/fr

1984-11-07 Publication of EP0119393A3 publication Critical patent/EP0119393A3/de

1986-07-23 Application granted granted Critical

1986-07-23 Publication of EP0119393B1 publication Critical patent/EP0119393B1/fr

Status Expired legal-status Critical Current

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Images

Classifications

- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
- D03D47/38—Weft pattern mechanisms

Definitions

the invention relates to a thread transfer device for weft insertion by means of gripper shooters at the entrance of looms according to the preamble of the main claim.
the free weft thread end is always provided by one and the same weft thread bobbin at the entrance to the rapier, so that the shooter detects the weft thread with his thread clamp and enters it into the compartment before entering the compartment.
the thread is then cut off on the shooter entry side, and at the same time the free thread end is clamped for the next thread entry in such a way that it crosses the shooter path.
the invention is therefore based on the object of designing a thread transfer device of the type mentioned in such a way that weft threads from several different weft thread bobbins can be picked up and woven in at will by the rapier shooters at will without disturbing the weaving rhythm.
the characteristic features of the main claim serve to solve this problem in connection with the thread transfer device characterized at the beginning.
each weft bobbin is held with the thread clamps contained therein, and these thread feeders can be advanced, for example according to a predetermined program, from their retracted position so that they then hold the end of the thread between the jaws of the clamping device, where it is grasped. If this particular thread feeder is then returned to the retracted position, and its thread clamp must allow this retraction movement relative to the thread clamped in the clamping device, the required weft thread is ready before the gripper shooter arrives at the beginning of the following weft thread entry into the compartment in the shuttle path. While the thread is being fed by one of the thread feeders, the others remain at rest in their retracted position.
the threading process Before a shooter enters the compartment, the threading process must be completed in such a way that the thread to be carried is essentially vertical in the shooter path so that it can be gripped by the thread clamp of the shooter arriving at high speed.
the shooter path for any gripper shooter (not shown) is designated 11, the construction of the thread transfer device shown being independent of the direction of travel of the shooter.
a clamping device with clamping jaws 12 which can be displaced transversely to the rifle track and can be displaced in a controlled manner by means of cylinders 13, so that the clamping jaws 12 can grasp and hold a weft thread end between them.
each hole 14a-14d in the Schützenbahnêt 15 protrudes a thread feeder 16, which has essentially the shape of a long tube, which is traversed by a weft thread 17, which can be clamped therein by means of controllable thread clamps 18.
a thread feeder 16 By means of a piston-cylinder unit 19, the thread feeder 16 can be raised from a rest position (on the left in FIG.
a cutter is formed by a perforated knife plate 20 which crosses the holes 14a-14d and which is displaceable transversely to the holes by a power drive.
the knife perforated plate 20 is divided into two partial plates 20a, 20b, which are set one behind the other in the direction of the track such that the knife partial plate 20a cuts the threads in the holes 14a and 14c and the knife partial plate 20b cuts the threads in the holes 14b and 14d while serve as power drive two separately controllable cylinder-piston units 21a and 21b.
This subdivision of the knife perforated plate 20 is carried out so that, in order to save time in the case of very rapid successive weft insertion, while a thread is being inserted into the compartment, for example from the holes 14a or 14c, a further thread is already placed from one of the holes 14b or 14d and between the clamping jaws 12 can be pinched.
the cylinder-piston units for the movements of the clamping device, the cutting device 20a, 20b and the feeder 16 are preferably operated pneumatically, but it goes without saying that other drive units can also be used with advantage in individual cases.
the thread feeder according to the invention can feed the threads from above, from below, vertically or also inclined, based on the shuttle.
a thread is lifted with its front end protruding from the tube between the clamping jaws 12 by actuating its cylinder-piston unit 19, whereupon the units 13 of the clamping device are activated so that the clamping jaws 12 close.
the thread is thus held at its free end, and by controlling the cylinder-piston unit 19 of the same feeder 16 on the opposite side, the feeder can be lowered while simultaneously loosening its thread clamp 18, so that now a thread for one on the shuttle 11 the compartment is closed to grab shooters.

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Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Looms (AREA)

EP84100391A 1983-02-08 1984-01-16 Dispositif pour transmettre une extrémité de fil de trame dans un métier à tisser à navettes à griffes Expired EP0119393B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT84100391T ATE20912T1 (de)	1983-02-08	1984-01-16	Fadenuebergabevorrichtung fuer schusseintrag mittels greiferschuetzen am facheintritt von webstuehlen.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3304251		1983-02-08
DE19833304251 DE3304251A1 (de)	1983-02-08	1983-02-08	Fadenuebergabevorrichtung fuer schusseintrag mittels greiferschuetzen am facheintritt von webstuehlen

Publications (3)

Publication Number	Publication Date
EP0119393A2 true EP0119393A2 (fr)	1984-09-26
EP0119393A3 EP0119393A3 (en)	1984-11-07
EP0119393B1 EP0119393B1 (fr)	1986-07-23

Family

ID=6190302

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP84100391A Expired EP0119393B1 (fr)	1983-02-08	1984-01-16	Dispositif pour transmettre une extrémité de fil de trame dans un métier à tisser à navettes à griffes

Country Status (3)

Country	Link
EP (1)	EP0119393B1 (fr)
AT (1)	ATE20912T1 (fr)
DE (2)	DE3304251A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4915143A (en) *	1988-03-16	1990-04-10	Hermann Wangner Gmbh & Co. Kg	Selectively feeding one of a plurality of weft threads to a gripper projectile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3299909A (en) *	1963-09-19	1967-01-24	Golobart Ramon Balaguer	Selective weft presenting device
CH475390A (de) *	1967-06-22	1969-07-15	Sulzer Ag	Webmaschine

1983
- 1983-02-08 DE DE19833304251 patent/DE3304251A1/de not_active Withdrawn
1984
- 1984-01-16 AT AT84100391T patent/ATE20912T1/de not_active IP Right Cessation
- 1984-01-16 EP EP84100391A patent/EP0119393B1/fr not_active Expired
- 1984-01-16 DE DE8484100391T patent/DE3460307D1/de not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4915143A (en) *	1988-03-16	1990-04-10	Hermann Wangner Gmbh & Co. Kg	Selectively feeding one of a plurality of weft threads to a gripper projectile
EP0333190A3 (fr) *	1988-03-16	1991-12-11	Hermann Wangner GmbH & Co. KG	Dispositif pour l'alimentation sélective d'un parmi plusieurs fils de trame à une navette à pince

Also Published As

Publication number	Publication date
EP0119393A3 (en)	1984-11-07
DE3460307D1 (en)	1986-08-28
ATE20912T1 (de)	1986-08-15
EP0119393B1 (fr)	1986-07-23
DE3304251A1 (de)	1984-08-09

Legal Events

Date	Code	Title	Description
1984-07-27	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
1984-09-04	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1984-09-26	AK	Designated contracting states	Designated state(s): AT BE CH DE FR GB IT LI LU NL SE
1984-11-07	AK	Designated contracting states	Designated state(s): AT BE CH DE FR GB IT LI LU NL SE
1985-02-13	17P	Request for examination filed	Effective date: 19841128
1986-04-09	ITF	It: translation for a ep patent filed
1986-05-28	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: F. OBERDORFERGMBH & CO. KG INDUSTRIEGEWEBE-TECHNIK
1986-06-07	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1986-06-25	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: F. OBERDORFER GMBH & CO. KG INDUSTRIEGEWEBE-TECHNI
1986-07-23	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE
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1986-08-28	REF	Corresponds to:	Ref document number: 3460307 Country of ref document: DE Date of ref document: 19860828
1986-10-03	ET	Fr: translation filed
1987-01-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19870131
1987-05-20	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1987-05-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1987-07-08	26N	No opposition filed
1989-01-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19890131 Year of fee payment: 7
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1991-08-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Effective date: 19910801
1991-09-11	GBPC	Gb: european patent ceased through non-payment of renewal fee
1991-09-16	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee
1991-09-30	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
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1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 84100391.6
1995-03-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19950323 Year of fee payment: 12
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1997-10-06	EUG	Se: european patent has lapsed	Ref document number: 84100391.6

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