ES2051177R - - Google Patents

Info

Publication number
ES2051177R
ES2051177R ES9102616A ES9102616A ES2051177R ES 2051177 R ES2051177 R ES 2051177R ES 9102616 A ES9102616 A ES 9102616A ES 9102616 A ES9102616 A ES 9102616A ES 2051177 R ES2051177 R ES 2051177R
Authority
ES
Spain
Prior art keywords
thread
retainer
needle thread
needle
compressed air
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.)
Granted
Application number
ES9102616A
Other languages
Spanish (es)
Other versions
ES2051177A2 (en
ES2051177B1 (en
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 filed Critical
Publication of ES2051177A2 publication Critical patent/ES2051177A2/en
Publication of ES2051177R publication Critical patent/ES2051177R/es
Application granted granted Critical
Publication of ES2051177B1 publication Critical patent/ES2051177B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B65/00—Devices for severing the needle or lower thread
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00—Use of special elements
    • D05D2207/02—Pneumatic or hydraulic devices
    • D05D2207/04—Suction or blowing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

PROCEDIMIENTO Y DISPOSITIVO PARA ACORTAR EL EXTREMO DEL HILO DE LA AGUJA AL COMIENZO DE LA COSTURA EN MAQUINAS DE COSER DE DOBLE PESPUNTE, EN QUE EL RETENEDOR (23) DEL HILO DE UN DISPOSITIVO (22, 60, 90) DE CORTE DEL HILO EXISTENTE DE TODOS MODOS ES MOVIDO, DURANTE EL PRIMER CICLO DE FORMACION DE LA PUNTADA, A SU POSICION DE RETENCION DEL HILO, TENIENDOSE CUIDADO DE QUE O BIEN A TRAVES DE LA ELECCION DE UN MOMENTO APROPIADO PARA EL MOVIMIENTO DEL RETENEDOR (23) DEL HILO, O BIEN POR MEDIO DE UNA CORRIENTE DE AIRE A PRESION QUE SALE DE UNA CONDUCCION (81) DE AIRE A PRESION, AL MENOS LA RAMA DEL LADO DE LA RESERVA DEL BUCLE DEL HILO DE LA AGUJA SEA RECOGIDA POR EL RETENEDOR (23) DEL HILO. DURANTE EL MOVIMIENTO HACIA ATRAS DEL RETENEDOR (23) DEL HILO A SU POSICION DE SALIDA, SE CORTA UNA PARTE DEL EXTREMO DEL HILO DE LA AGUJA. ADEMAS, EL HILO DE LA AGUJA O BIEN ES APRETADO BAJO UN MUELLE (44) DE LAMINAS O BIEN ES DESPLAZADO BAJO EL PIE DE LA COSTURA, POR MEDIO DE UN PASO DE AVANCE SUFICIENTEMENTE GRANDE, Y CON ELLO SUJETADO EN UNION POSITIVA DE ROZAMIENTO.PROCEDURE AND DEVICE FOR SHORTENING THE END OF THE NEEDLE THREAD AT THE BEGINNING OF SEWING IN DOUBLE STITCHED SEWING MACHINES, IN WHICH THE THREAD RETAINER (23) OF AN EXISTING THREAD DEVICE (22, 60, 90) ALL MODES ARE MOVED, DURING THE FIRST CYCLE OF FORMATION OF THE STITCH, TO ITS POSITION OF RETENTION OF THE THREAD, TAKING CARE OF EITHER THROUGH THE CHOICE OF AN APPROPRIATE TIME FOR THE MOVEMENT OF THE RETAINER (23), OR EITHER THROUGH A COMPRESSED AIR CURRENT THAT COMES OUT OF A COMPRESSED AIR CONDUCTION (81), AT LEAST THE BRANCH ON THE SIDE OF THE NEEDLE THREAD LOOP IS COLLECTED BY THE THREAD RETAINER (23). DURING THE MOVEMENT TOWARDS THE THREAD RETAINER (23) TO ITS POSITION, A PART OF THE END OF THE NEEDLE THREAD IS CUT OFF. IN ADDITION, THE NEEDLE THREAD OR IT IS TIGHTENED UNDER A SPRING (44) OF SHEETS OR IT IS MOVED UNDER THE FOOT OF THE SEAM, BY MEANS OF A STEP OF ADVANCE SUFFICIENTLY LARGE, AND WITH IT SUBJECTED IN A POSITIVE FRACTURE UNION.

ES09102616A 1990-11-30 1991-11-25 PROCEDURE AND DEVICE TO SHORTEN THE END OF THE NEEDLE THREAD AT THE BEGINNING OF THE SEWING IN DOUBLE STITCHING SEWING MACHINES. Expired - Lifetime ES2051177B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4038194 1990-11-30
DE4118008A DE4118008A1 (en) 1990-11-30 1991-06-01 METHOD AND DEVICE FOR SHORTENING THE NEEDLE THREAD AT THE START OF SEWING IN DOUBLE-LOCK STITCH SEWING MACHINES

Publications (3)

Publication Number Publication Date
ES2051177A2 ES2051177A2 (en) 1994-06-01
ES2051177R true ES2051177R (en) 1995-06-16
ES2051177B1 ES2051177B1 (en) 1996-01-16

Family

ID=25898917

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09102616A Expired - Lifetime ES2051177B1 (en) 1990-11-30 1991-11-25 PROCEDURE AND DEVICE TO SHORTEN THE END OF THE NEEDLE THREAD AT THE BEGINNING OF THE SEWING IN DOUBLE STITCHING SEWING MACHINES.

Country Status (6)

Country Link
JP (1) JPH06503008A (en)
KR (1) KR100186838B1 (en)
DE (1) DE4118008A1 (en)
ES (1) ES2051177B1 (en)
IT (1) IT1250228B (en)
WO (1) WO1992009735A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2353297B (en) * 1999-08-16 2003-07-23 Duerkopp Adler Ag A double lockstitch machine comprising a thread gripper
JP2002346266A (en) * 2001-05-23 2002-12-03 Juki Corp Sewing machine thread trimmer
JP2008229082A (en) 2007-03-22 2008-10-02 Brother Ind Ltd Sewing machine thread trimmer
US8069799B2 (en) * 2009-01-09 2011-12-06 Zeng Hsing Industrial Co., Ltd. Thread cutting device for a sewing machine
DE102009039252A1 (en) * 2009-08-28 2011-03-10 Dürkopp Adler AG sewing machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE289806C (en) *
DE1125742B (en) * 1961-08-11 1962-03-15 Pfaff Ag G M Thread trimmer on sewing machines
DE7912758U1 (en) * 1979-05-03 1979-07-26 Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern THREAD CUTTING DEVICE ON SEWING MACHINES
DE3244996C2 (en) * 1982-12-04 1985-04-04 Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern Thread cutting device on sewing machines
DE3819135C1 (en) * 1988-06-06 1989-07-13 Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern, De

Also Published As

Publication number Publication date
ES2051177A2 (en) 1994-06-01
KR930703500A (en) 1993-11-30
JPH06503008A (en) 1994-04-07
ES2051177B1 (en) 1996-01-16
ITTO910922A1 (en) 1993-05-28
KR100186838B1 (en) 1999-05-01
IT1250228B (en) 1995-04-03
WO1992009735A1 (en) 1992-06-11
ITTO910922A0 (en) 1991-11-28
DE4118008A1 (en) 1992-06-11
DE4118008C2 (en) 1993-07-29

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