US3520454A - Device for inspecting and pneumatically conveying stockings or the like - Google Patents

Device for inspecting and pneumatically conveying stockings or the like Download PDF

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Publication number
US3520454A
US3520454A US705190A US3520454DA US3520454A US 3520454 A US3520454 A US 3520454A US 705190 A US705190 A US 705190A US 3520454D A US3520454D A US 3520454DA US 3520454 A US3520454 A US 3520454A
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US
United States
Prior art keywords
stocking
stockings
distributor
jack
closing
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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
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US705190A
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English (en)
Inventor
Joseph Pepo Saltiel
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.)
BAS LE BOURGET ETS J P SALTIEL
Bas Le Bourget Ets Jp Saltiel Et Sesfils
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BAS LE BOURGET ETS J P SALTIEL
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Application filed by BAS LE BOURGET ETS J P SALTIEL filed Critical BAS LE BOURGET ETS J P SALTIEL
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Publication of US3520454A publication Critical patent/US3520454A/en
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Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B23/00—Sewing apparatus or machines not otherwise provided for
    • D05B23/007—Sewing units for assembling parts of knitted panties or closing the stocking toe part
    • 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

Definitions

  • the device includes several testing forms mounted on a rotary support which, by its rotation, substitutes a form for another, whereby each form successively occupies several positions, each of which being intended for a distinct operation.
  • Each form communicates, in one of said positions, with a pneumatic duct means.
  • a mechanism carries on the stocking in translation over the form which is in the position wherein it communicates with said pneumatic duct means said mechanism including means for opening and closing said duct means so as to pneumatically evacuate the stocking as soon as it reaches its end-of-travel position.
  • the present invention essentially relates to a device for inspecting textile goods or the like, for instance knitted vestirnentary work, such as stockings or the like, during their manufacturing and for pneumatically conveying such goods.
  • the toes of the stockings are closed and the material in excess cut ofi while said stocking is placed upon said form.
  • the seamstress engages the foot end of the stocking into the sewing and cutting mechanism of the machine, for instance a sewing machine, and then, the sewing being performed, she draws on the stocking in order to bring the toe over the end of the form at which opens a nozzle connected to a pneumatic conveyance duct means. She then only has to operate this duct means, i.e. to connect it with the vacuum pump, to cause the stocking to be sucked on, automatically everted and conveyed to a station where it is temporarily stored before being removed for a subsequent handling.
  • the present invention aims at overcoming these drawbacks by creating a device characterized in that it includes several testing forms mounted on a mobile support which, by moving, substitutes a form for another, each form thus successively occupying several positions, every one of the latter being intended for a distinct operation.
  • the aforesaid forms are mounted on a rotatably movable support provided with means allowing its immobilization according to determined angular positions.
  • the aforementioned support bears two forms arranged parallel to its axis of rotation, said support alternately taking two diametrically opposite positions, each form communicating with the aforementioned pneumatic duct means in one of said positions.
  • every form may adopt a first position in which it receives the stocking or the like, and a second position in which the toe of said stocking is closed before the latter is pneumatically sucked on.
  • the support is driven in rotation by a motor, the supply of which is controlled as a function of its angular motion.
  • a locking member is provided to fix the support in each of the aforementioned two angular positions, said member being actuated in synchronism with the rotation of said support.
  • a mechanism to carry along the stocking or the like in translation upon the form which is in the position required for communication with the aforesaid pneumatic duct means said mechanism including besides means for opening and closing said duct means in order to pneumatically evacuate said stocking as soon as the end-of-travel position is reached.
  • the device according to this invention allows performance simultaneously and entirely automatically of the checking and the toe closing operations.
  • the invention covers also the various applications of the aforementioned device, when used to check and to manufacture vestimentary goods, especially to check stockings or the like, and for the simultaneous automatic closing of the toe end of said stocking.
  • the invention covers also the installations provided with devices of the aforementioned type, especially installations including an automatic device for closing the toes on stockings.
  • FIG. 1 is a schematic view in perspective, showing a device according to this invention
  • FIG. 2 is a perspective view showing the means for rotating the support provided with testing forms as well as means for locking said support;
  • FIG. 3 shows in perspective the device drawing along the stocking or the like upon one form
  • FIG. 4 shows in perspective the device obturating the pneumatic duct means conveying the stockings
  • FIG. 5 shows the diagram of the pneumatic duct means controlling the device in accordance with this invention.
  • the device of the invention includes essentially two identical testing forms or legs, 1 and 2, mounted back-balanced, one of their ends being free while the other is secured, by means of a respective hollow sleeve 3 and 4, upon a support constituted by a plate 5, solid with an axle 6 carried by a chassis 7.
  • the forms 1 and 2 are mounted at the opposite ends of the plate 5 and are arranged parallel to the axle 6.
  • Each form 1 and 2 includes an internal channel of pneumatic exhaust, respectively 8 and 9, opening at its free end, respectively in 10 and 11 and communicating with the respective hollow sleeve 3 and 4.
  • An electric motor 13 secures the rotary motion of the axle 6 and hence of the plate 5 and of the forms 1 and 2.
  • a locking member (see FIG. 2) allows placement of the plate 5 in two diametrically opposite angular positions.
  • This locking member is constituted by a lever 14 mounted to tilt about a pin 15 and the end 14a of which may engage into the notches 16a and 16b of a disk 17, solid with the axle 6.
  • the oscillation of the lever 14 about its pin is controlled by a double-action jack 18.
  • the axle 6 carries also a finger or the like 19 actuating, at each 180 rotation, a valve 20 intended to cut the supply of the electric motor 13 and to control the jack 18 as explained hereinafter.
  • the plate 5 may thus adopt two diametrically opposite positions: in one of these positions, one of the forms (form 2 in the represented case) communicates with the conduit 12 of the pneumatic duct means, while the other form (form 1 in the represented case) is out of communication with said conduit.
  • a mechanism is provided to drive in translation the stocking or the like being on the form which communicates with the pneumatic exhaust conduit 12, i.e. the form 2 in the represented case.
  • This drive mechanism includes a carriage 21, movable in translation on rails 22 parallel tot he forms 1 and 2, and driven by a doubleaction jack 23, the stem 24 of which carries on its end close to the carriage 21 a block or the like 25 actuating during its translatory motion two stationary valves 26 and 27, integrated to the pneumatic control circuit of the device and the action of which will be explained hereinafter.
  • a double-action jack 28 supporting, at the end of its stem 29, a small plate or the like 30 guided by a stem 31 mounted on the carriage 21 and driven in translation together with the stem 29.
  • This small plate 30 carries in turn two guiding rods 32 and 33 on which is slidably mounted a sole-piece 34 provided with a protecting pad 35, of felt or the like, intended to contact the stocking and to carry it in translation upon the form.
  • Springs 36 and 37 co-axial with the rods 32 and 33, secure a resilient application of the felt pad upon the stocking.
  • the device includes moreover a member allowing to chine, designated as a whole by 52, said machine being.” provided with a maintaining and guiding member 53 coni cut or to open at will the pneumatic conveyance duct means.
  • This member is constituted by a full sector 38 provided with an orifice 39 and arranged between the conduit 12 and the conduit 40 connected to the (not represented) vacuum pump.
  • the sector 38 is driven in oscillation about its pin 41 by a double-action jack 42, in such a way that it may take two positions: in one of them it interrupts the communication between conduits 12 and 40 (as represented in FIGS. 1 and 4), in the other it secures by means of the orifice 39 a communication between said conduits.
  • FIG. 5 represents the diagram of the pneumatic circuit controlling and synchronizing the device in accordance with this invention.
  • Every one of the double-action jacks 18, 23, 28 and 42 is supplied by a respective distributor 43, 44, 45 and 46, itself connected to a mains supply line 47 delivering a fluid under pressure, for instance, compressed air under a pressure of 4 bars.
  • the distributor 43 supplies besides an electropneumatic contactor 48, inserted in the supply circuit 49 of'the motor 13 and securing the opening or the closing of said circuit.
  • the distributor 43 is actuated, on the one hand, by an operating valve 50, actuated manually or automatically, and, on the other hand, by the valve 20 actuated by the finger 19 solid with the axle 6, said operatingvalve 50 and said valve 20 being connected to the mains supply line 47.
  • the distributor 44 is actuated, on the one hand, by the operating valve 50, by means of an adjustable time-lag member 51, and on the other hand, by the return control valve 27 of the jack 23, which is actuated by the finger 25 solid with the stem 24 of said jack and which is connected to the mains supply line 47.
  • the distributor 45 is, on the one hand, actuated by the operating valve 50 and, on the other hand, it is actuated by the lowering control valve 26, also actuated by the aforementioned finger 25 and connected to the mains supply line 47.
  • the distributor 46 is actuated, on the one hand, by the operating valve 50 and, on the other hand, by the aforementioned valve 27.
  • the device is operatedv in the following way:
  • the seamstress faces the forms and, from the side of the chassis opposite to that appearing in the first plane upon the perspective view of FIG. 1, she draws over the form 2, which is hence directly in front of her at a level 'l slightly above that of the form 1, the stocking to test. For this, she engages first the reverse side of the stocking and she turns the latter inside out. Having checked the stocking stretched over the form so as to discover possible faults, she then proceeds to close the toe of the stocking. For this, she engages said toe into a closing device which may for instance be constituted, like in the case represented on FIG. 1, by a sewing and cutting mastituted by two superimposed plates separated by a cleft,
  • the valve 50 moreover acts on the distributor 45, extending the jack 28 and hence raising the sole-piece 34, on the distributor 46 controlling the double-action jack 42 so as to interrupt communication between the conduits 12 and 40 and, finally, on the distributor 43 which, on the one hand, unlocks the axle 6 by tilting the lever 14 disengaging the end 14a from the notch provided on the disk 17, and, on the other hand, acts upon the electro-valve 48 closing the supply circuit of the motor 13.
  • the latter drives in rotation the axle 6 and hence the plate and the testing forms solid with the latter.
  • the finger 19 opens the valve 20. which brings the distributor 43 back to its former position.
  • the electrovalve 48 opens again the supply circuit of the motor 13, while the double-action jack 18 tilts the lever 14, engaging the end 14a of the latter into the notch 16a of disk 17.
  • the two forms are then in the position represented on the FIG. 1, the form 2, on which is engaged the stocking 55 by its turn-over end while the foot of said stocking is engaged infthe guiding device of the sewing machine 52, communicates with the conduit 12 of the pneumatic conveyance.
  • the rotation of the plate substituting a form for another is achieved in a practically instantaneous way, i.e. in a timemuch shorter than that necessary for the jack 28 to reach its position of total extension.
  • the sole-piece 34 is stopped by the form 2, catching the end of the stocking between said form and its felt pad 35.
  • the springs 36 and 37 secure a resilient and smooth contact betwen the sole-piece 34 and the form 2.
  • the time-lag member 51 acts upon the distributor 44 controlling the contraction of the double-action jack 23.
  • the carriage 21 is then driven along its rails following the direction F, while the sole-piece 34 draws on the stocking so as to engage it upon the form 2.
  • the forward motion of the carriage 21 is synchronized with the device closing the toe of the stocking.
  • the stocking is then sucked on by the orifice 11, automatically everted so as to have its wrong side inwards and coveyed through the conduits 12 and 40 to the storage station.
  • the leg 25 actuates the valve 26 whereby the position of the distributor 45 is inverted, the jack 28 contracted and the solepiece 34 lowered.
  • the device is ready for a new operating cycle.
  • the device according to the invention allows hence to perform in a single station the turning inside out of the stocking, its checking, the closing of the toe and the evacuation of the stocking (with simultaneous everting of the latter).
  • the operating valve could be actuated by a control member acting as a function, for instance, of the closing process of the stocking toe.
  • the pneumatic control means of the locking lever 14, of the carriage 21, of the sole-piece 34 and of the sector 38 could for example be replaced by electro-magnetic members.
  • the valves 20, 26, 27 and 50, the electro-valve 48, as well as the time-lag member 51 could be replaced by electrical or electro-magnetic contact or time-lag members.
  • the device could also include more than two testing forms, the support carrying said forms being then locked in a corresponding number of positions and the stockings or the like being then subjected to several manufacturing or finishing operations instead of a single one, as in the presented and described case.
  • the device according to the invention could be associated to a closing machine of a type different from that represented, for instance a closing machine performing a welding or a glueing of the stocking toe or even a machine performing any other operation.
  • Device for inspecting and for pneumatically conveying articles such as stockings comprising a frame structure, a rotary shaft carried thereby, a support solid with said rotary shaft, a plurality of testing forms arranged parallel to said shaft, each having a longitudinal axis and being secured by one of its ends on said support and including an internal channel open at its free end, driving means for driving said shaft in rotation between determined Stopping angular positions, pneumatic duct means adapted to connect with the internal channel of each form in one of said determined angular positions of the shaft, a mechanism for carrying along the stocking in translation upon the one of said testing forms when it is in the position wherein it communicates with said pneumatic duct means, and means operated by said carrying mechanism for opening and closing said duct means so as to pneumatically pull the stocking into the opening provided at the free end of the form as soon as said carrying mechanism reaches its end-of-travel position whereby said stocking is everted while being removed.
  • said driving means comprises an electric motor including in its supply circuit a distributor, a contactor supplied by said distributor, an operating valve for activating said distributor, a finger and a stop valve actuated by said finger which is solid with the rotary shaft of said support.
  • Device further comprising a disk solid with said rotary shaft and having notch means, a tilting lever mounted on said frame structure and intended to engage, in the stopping position with said notch means, a double acting jack and a distributor, said lever being actuated in synchronism with the rotation of said support by said double-action jack as controlled by said distributor.
  • said carrying mechanism comprises a carriage, a gripping member mounted on said carriage and movable parallel to the forms, said gripping means being itself movable with respect to said carriage in a direction perpendicular to the longitudinal axis of said forms.
  • said gripping member comprises a support, a sole-piece resiliently mounted on said support, a double-acting jack carried by said carriage and having a stem, said sole-piece being secured to the end of said stem of said jack carried by said carriage, a distributor, an operating valve therefor, a finger solid with said carriage and a retracting control valve actuated by said finger.
  • the means for opening and closing said pneumatic duct means include a tilting sector inserted in said duct means, a double-acting jack for operating said sector, a distributor, an operating valve for actuating said distributor and a control valve for said operating valve.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
US705190A 1967-11-15 1968-02-13 Device for inspecting and pneumatically conveying stockings or the like Expired - Lifetime US3520454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR128380 1967-11-15

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US3520454A true US3520454A (en) 1970-07-14

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US (1) US3520454A (enrdf_load_stackoverflow)
FR (1) FR1551201A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859938A (en) * 1973-02-05 1975-01-14 Takatori Machinery Works Ltd Automatic apparatus for closing the toe of a seamless stocking
US3908874A (en) * 1974-02-09 1975-09-30 Detexomat Machinery Ltd Hosiery Manufacture
JPS5463953A (en) * 1977-10-29 1979-05-23 Takatori Kikai Seisakusho Kk Panty stockings or tights checking machine
US4196681A (en) * 1978-01-27 1980-04-08 Giovanni Chietti Apparatus for loading tubular elements of textile material on mounting tubes in sewing machines
US4434918A (en) 1981-01-23 1984-03-06 Detexomat Machinery Limited Boarding apparatus and method
US4597515A (en) * 1985-01-15 1986-07-01 Ogm Trading Aps Apparatus for turning tubular garment portions
US4874241A (en) * 1987-07-23 1989-10-17 Societe Compagnie Generale Textile Cogetex Apparatus for the inspection of tubular textile products

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB363034A (en) * 1930-10-14 1931-12-17 Alfred George Hebblethwaite Improvements appertaining to the manufacture of production of stockings
US2657841A (en) * 1950-07-25 1953-11-03 Charnwood Engineering Company Apparatus for turning stockings and the like
US2760696A (en) * 1953-10-22 1956-08-28 Floyd R Shoaf Hosiery turner and method
US2890818A (en) * 1956-02-07 1959-06-16 Marvel Specialty Automatic hosiery inspection and turning apparatus
US2899116A (en) * 1959-08-11 Hosiery clipping and everting machine
US2979802A (en) * 1956-11-16 1961-04-18 John W L Funchion Hosiery trimmer
CA639148A (en) * 1962-04-03 Luchi Vinicio Pneumatic devices for reversing tubular fabric
US3131839A (en) * 1961-03-23 1964-05-05 Spalding Knitting Mills Hosiery inspecting apparatus
US3327664A (en) * 1963-04-29 1967-06-27 Detexomat Ltd Automatic toe-closing of stockings
US3351033A (en) * 1963-04-26 1967-11-07 Joseph E Kienel Apparatus and method for seaming hosiery blanks
US3420196A (en) * 1965-02-03 1969-01-07 Emile Mills Inc Method and means for processing tubular articles
US3446166A (en) * 1966-10-05 1969-05-27 Southern Textile Machinery Co Apparatus for inspecting and sewing stockings
US3486471A (en) * 1966-03-31 1969-12-30 Southern Textile Machinery Co Method and apparatus for seaming and inspecting hosiery

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA639148A (en) * 1962-04-03 Luchi Vinicio Pneumatic devices for reversing tubular fabric
US2899116A (en) * 1959-08-11 Hosiery clipping and everting machine
GB363034A (en) * 1930-10-14 1931-12-17 Alfred George Hebblethwaite Improvements appertaining to the manufacture of production of stockings
US2657841A (en) * 1950-07-25 1953-11-03 Charnwood Engineering Company Apparatus for turning stockings and the like
US2760696A (en) * 1953-10-22 1956-08-28 Floyd R Shoaf Hosiery turner and method
US2890818A (en) * 1956-02-07 1959-06-16 Marvel Specialty Automatic hosiery inspection and turning apparatus
US2979802A (en) * 1956-11-16 1961-04-18 John W L Funchion Hosiery trimmer
US3131839A (en) * 1961-03-23 1964-05-05 Spalding Knitting Mills Hosiery inspecting apparatus
US3351033A (en) * 1963-04-26 1967-11-07 Joseph E Kienel Apparatus and method for seaming hosiery blanks
US3327664A (en) * 1963-04-29 1967-06-27 Detexomat Ltd Automatic toe-closing of stockings
US3420196A (en) * 1965-02-03 1969-01-07 Emile Mills Inc Method and means for processing tubular articles
US3486471A (en) * 1966-03-31 1969-12-30 Southern Textile Machinery Co Method and apparatus for seaming and inspecting hosiery
US3446166A (en) * 1966-10-05 1969-05-27 Southern Textile Machinery Co Apparatus for inspecting and sewing stockings

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859938A (en) * 1973-02-05 1975-01-14 Takatori Machinery Works Ltd Automatic apparatus for closing the toe of a seamless stocking
US3908874A (en) * 1974-02-09 1975-09-30 Detexomat Machinery Ltd Hosiery Manufacture
JPS5463953A (en) * 1977-10-29 1979-05-23 Takatori Kikai Seisakusho Kk Panty stockings or tights checking machine
US4196681A (en) * 1978-01-27 1980-04-08 Giovanni Chietti Apparatus for loading tubular elements of textile material on mounting tubes in sewing machines
US4434918A (en) 1981-01-23 1984-03-06 Detexomat Machinery Limited Boarding apparatus and method
USRE32481E (en) * 1981-01-23 1987-08-25 Detexomat Machinery Limited Boarding apparatus
US4597515A (en) * 1985-01-15 1986-07-01 Ogm Trading Aps Apparatus for turning tubular garment portions
US4874241A (en) * 1987-07-23 1989-10-17 Societe Compagnie Generale Textile Cogetex Apparatus for the inspection of tubular textile products

Also Published As

Publication number Publication date
FR1551201A (enrdf_load_stackoverflow) 1968-12-27

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