US3776077A - Machine for slitting tubular fabrics - Google Patents

Machine for slitting tubular fabrics Download PDF

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Publication number
US3776077A
US3776077A US00264471A US3776077DA US3776077A US 3776077 A US3776077 A US 3776077A US 00264471 A US00264471 A US 00264471A US 3776077D A US3776077D A US 3776077DA US 3776077 A US3776077 A US 3776077A
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United States
Prior art keywords
carriage
fabric
basketlike
marking line
elements
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Expired - Lifetime
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US00264471A
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English (en)
Inventor
H Letsche
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.)
ARBACH MASCHF
MASCHINENFAB ARBACH DT
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ARBACH MASCHF
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
    • D06H7/08—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally for cutting tubular fabric longitudinally
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/323—With means to stretch work temporarily
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/525—Operation controlled by detector means responsive to work
    • Y10T83/533—With photo-electric work-sensing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/525—Operation controlled by detector means responsive to work
    • Y10T83/536—Movement of work controlled
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/525—Operation controlled by detector means responsive to work
    • Y10T83/538—Positioning of tool controlled

Definitions

  • ABSTRACT A machine for slitting a tubular knit fabric while traveling in its longitudinal direction along a substantially longitudinal marking line in or on the fabric which may deviate considerably from a straight course.
  • the cutting device is mounted on a carriage which carries an optical tracing device which traces the marking line and causes the carriage together with the cutting dcvices to be shifted in a direction substantially trans verse to the direction of travel of the fabric toward one or another spreading device which hold the tubular fabric distended for being'slit.
  • the time required for this transverse movement of the carriage is compensated by automatically reducing the speed of travel of the fabric. If the marking line deviates excessively from a straight course, the carriage will actuate suitable means for twisting the tubular fabric about its axis so as to move the marking line to its proper position.
  • the present invention relates to a machine for slitting tubular fabrics in which the tubular fabric while distended by means of spreaders is drawn past a cutting device which follows a marking in the fabric.
  • the slitting machines as are presently known are only suitable for slitting dry tubular fabric which must be fed to the slitting machine in a very proper condition.
  • the spreaders usually consist of a pair of rods which are adjustable to different distances from each other, and the cutting device is mounted in a fixed position adjacent to one of the Spreaders; If the line along which the tubular fabric is to be slit is marked at all on the fabric, it is only possible to twist the tubular fabric by hand in front of the cutting device so that the cutting blade will slit the fabric as accurately as possible in accordance with the marking.
  • a slitting machine For slitting flat fabrics into individual widths in the direction of their direction of travel, a slitting machine is already known in which the cutting device is mounted on a carriage which is movable in a direction transverse to the direction of travel of the fabric. This transverse movement of the carriage is controlled automatically by a photoelectric tracing or scanning device which actuates a servo-motor.
  • the scanning device is responsive to a marking line on the fabric which might be either lighteror-darker than the body of the fabric and thus contrasts with the latter. Ifthe scanning device loses the marking line, the entire machine will be immediately stopped.
  • the invention provides the cutting device to be monuted on a carriage which is adjustable in a direction transverse to the direction in which the tubular fabric and the marking thereon is drawn, and which when moving transversely from its central position in accordance with a deviation of the marking from its straight direction causes the drawing speed of the machine to be reduced accordingly.
  • the tubular fabric may thus be slit in accordance with its marking even if the latter deviates considerably from a straight line and from the direction in which the fabric is drawn since by reducing the speed at which the fabric is drawn, the speed at which the carriage is shifted transversely will be sufficient to permit the cutting device to follow even a very considerable deviation of the marking without losing the latter which, if it did occur, would cause the entire machine to be stopped.
  • the speed of travel of the fabric i.e. the speed at which it is drawn through the machine will be adapted to the particular condition of the tubular fabric and if the fabric is, for example, considerably twisted, the machine will run at a lower speed than if the fabric is only slightly twisted or if its marking even runs in a straight direction.
  • the carriage on which the cutting device is mounted is provided with an optical or photoelectric scanning or tracing device which may, for example, be similar to the scanning device as previously described and is responsive to a contrast in brightness of the tubular fabric which forms the marking line along which the tubular fabric is to be slit and which may be formed, for example, by a run in the fabric.
  • This scanning device controls the operation of a servomotor which, in turn, automatically moves the carriage.
  • the cutting device itself may be adjustable on its carriage. The cutting device may therefore be properly adjusted to its normal cutting position before the machine is started.
  • Another feature of the invention consists in connecting the carriage by a rack or the like to a rotary potentiometer with a central tap which is connected in series with the variable drive means for drawing the fabric through themachine. If the tubular fabric does not have to be slit very accurately along the marking line, the rotary potentiometer may be designed so that as long as the marking line deviates only slightly from a straight direction, the fabric will be drawn at the full speed through the machine.
  • Another object of the invention is to provide suitable means for adjusting the tubular fabric in the event that the marking line of the fabric deviates to such an extend from a straight direction that the optical or photoelectric scanning device can no longer follow this line and loses the same because it passes'beyond the distance within which the carriage is movable on which this scanning device as well as the cutting device are mounted or because, even if a very large carriage is provided, the length of time required by the carriage to follow such an excessive deviation of the marking line would require the speed of travel of the fabric to be excessively reduced.
  • the invention further provides that the Spreaders which distend the tubular fabric to permit it to be slit consist of basket-like elements which may be turned back and forth about their axes in a direction transverse to the direction of travel of the fabric through the machine.
  • the common drive means for turning these baskets are controlled by switches which are actuated by the mentioned carriage.
  • the last-mentioned object may also be attained by depositing the tubular fabric which is to be slit within a container which is mounted on a turntable.
  • this turntable is turned in one or the other direction by the actuation of switches which is controlled by the carriage so that the marking line will again be moved back automatically to its normal course and into the area of the adjustability of the carriage.
  • the carriage is provided with cam projections which are preferably adjustable and are adapted to actuate the switches for the means for driving the mentioned spreading baskets and/or the turntable.
  • Another feature of the invention consists in providing the spreaders in the form of three baskets which are located within the corners of a triangle, and in mounting the carriage so as to be movable along one side of this triangle.
  • This triangle arrangement of the baskets permits the tubular fabric to be properly distended and it also permits a light source for an optical or photoelectric scanning or tracing device to be mounted at the inside of the triangle and thus at the inside of the tubular fabric.
  • the two baskets at both lateral sides of the carriage as well as the carriage itself are adjustable relative to the third basket which is mounted in a fixed position.
  • a structurally very advantageous feature of the invention consists in securing the means for supporting and guiding the carriage and those of the two adjustable baskets on a common support which is adjustable by means of a spindle and on guide rods in a direction transverse to the direction of travel of the fabric.
  • This spindle may be driven either by hand or by means of a servomotor so as to adjust the machine to the particular diameter of the tubular fabric to be slit.
  • the invention further provides these baskets with sprocket wheels around which a common chain extends which also runs over a sprocket wheel of a gearing and is guided at both sides of the sprocket wheels of the adjustable baskets by guide wheels at least one of which preferably also serves as a chain tightener.
  • FIG. 1 is a diagrammatic side view of a slitting machine according to the invention
  • FIG. 2 is a top view of the machine according to FIG.
  • FIG. 3 is a perspective view of a part of the machine as seen in the direction of the arrow III in FIG. 2;
  • FIG. 4 is a diagrammatic illustration of a detail of the same machine
  • FIG. 5 is a diagrammatic illustration of another detail of the same machine; while FIG. 6 is a view as seen in the direction of the arrow VI in FIG. 5.
  • the slitting machine according to the invention as illustrated in the drawings is designed for slitting tubular knit fabrics, especially of synthetic fibers, and preferably while still in a moist condition, after a preceding centrifugal treatment. This reduces the danger of the formation of folds when the material is being dyed and it also improves the quality of the material by avoiding the distortion of stitches.
  • the tubular fabric 1 as indicated in the drawings in dot-and-dash lines is fed to the slitting machines within a container 2 in a disorderly condition, for example, while still in a moist or even wet condition.
  • the container 2 which is provided with rollers is moved upon and then locked to a turntable 3 which in the particular embodiment of the invention as illustrated is disposed within a recess in the floor so that its upper surface is level therewith.
  • the tubular fabric 1 which is withdrawn from the container 2 is stretched by three baskets 4, 5 and 6 which serve as spreaders and are mounted so as to be disposed within the comers of a triangle. Between the two baskets 5 and 6 which limit one side of the triangle a cutting device 7 is provided which slits the tubular fabric longitudinally. After being slit, the fabric 1 is further passed between two obliquely extending guide rods 8 to a triangular unfolding frame 9, the substantially rectangular corner of which is located vertically above the basket 4.
  • the slit and un folded fabric 1 is drawn off by a driven pair of rollers 10 which is followed by two spreading rollers 11 which are individually driven and around which bands of plastic are helically wound and which are followed by a feed roller 12.
  • This roller 12 is followed by a reciprocating take-ofl' device 13 which deposits the fabric in folded layers flat above each other.
  • the rollers 10, 11 and 12 and parts of the take-0H device 13 are mounted within the walls of a boxlike frame 14 which also contains the transmission elements leading to a motor, not shown, which is mounted on or near the floor.
  • the cutting device 7 comprises a rotary blade 15 and is mounted on a slide carriage 16 which is movable along a supporting tube 17 which extends transverse to the general direction in which the fabric 1 is drawn and thus also transverse to the axes of the baskets 4, 5 and 6.
  • Carriage 16 is provided with an optical tracing or scanning device which comprises a photoelectric cell 19 which is mounted eccentrically within a rotating disk 18. For slitting the tubular fabric 1, it is moved vertically past the rotating blade 15 and the rotating disk 18, as indicated particularly in FIG. 5.
  • a light source 20 is mounted which is directed toward the rotating disk 18.
  • the tubular fabric 1 is provided with a longitudinal marking line, for example, a run, which contrasts from the adjacent parts of the fabric.
  • a longitudinal marking line for example, a run
  • the beam of light from the lamp 20 will twice intersect this marking line in the tubular fabric 1. If this marking line deviates from its vertical direction, the two moments when the light of the source 20 striking the photoelectric cell 19 intersects the marking line will be unequally spaced from each other. This variation from the normal times of intersection will be employed for producing a control .impulse for shifting the slide carriage 16 along the supporting tube 17.
  • Slide carriage 16 is provided with a motor, not shown, which is adapted to move the slide carriage along the supporting tube 17 which is provided with teeth 21. Slide carriage 16 together with the rotating blade will therefore follow the marking line along which the tubular fabric 1 is to be slit. 7
  • the cutting device 7 is adjustably screwed uponthe slide carriage 16 so as to permit the blade 15 to be adjusted relative to the marking line.
  • the withdrawing mechanism consisting of the drawing rollers 10, the feed roller 12 and the take-off or folding device 13 is driven by a drive mechanism which may comprise, for example, a thyristor-controlled geared motor which is preceded by a rotary potentiometer 24 with a central tap which may be turned by the carriage 16.
  • Carriage 16 is provided with a rack 25 which meshes with a gear 26 which is connected to the potentiometer 24 for tuming the same. The movement of the carriage 16 will thus be immediately transmitted to the drive means of the withdrawing mechanism.
  • the rotary potentiometer 24 may be connected to the carriage 16 so that the potentiometer will not be turned within the central area which corresponds to these admissible deviations and within which the full working speed of the slitting machine will be maintained.
  • the invention provides that not only the cutting device 7 for slitting the fabric 1 along the marking line may be adjusted, but that the tubular fabric itself together with its marking line may be turned relative to the cutting device 7. This may be accomplished in two different manners.
  • the first manner consists in turning the turntable 3 together with the container 2 and the tubular fabric 1 therein whichis to be fed to the machine so that when the fabric slides over the baskets4, 5 and 6, the marking line on the fabric will again be in alignment with the cutting device-7.
  • the second manner of attaining this turning of the tubular fabric consists in rotatably mounting each of the baskets 4, 5 and 6 and in providing them with common drive means for turning them in one direction or the other until the tubular material 1 is so untwisted that its marking line is again in alignment with the cutting device 7. Although it may often suffice to provide the machine with only one or the other of these turning means, it is usually advisable to provide both of these means. Depending upon the particular condition of the tubular fabric, it may then be decided ineach case whether will baskets in 5 and 6 or the turntable 3 should be turned or whether bothof these turning means should be employed more or less simultaneously.
  • Each of the baskets 4, 5 and 6 consists of individual round rods 27 which are secured to two disks 28 which, in turn, are mounted on a shaft 29. Every second rod 27 is downwardly extended beyond the lower disk 28 and bent toward the center so as to form a conical starting end of each basket. The lower ends of these extended rods 27 are secured to a hemispherical cup 30. Above the rods 27, the shafts:29 are rotatably mounted in housings 31 and 32 which have smooth outer surfaces. Housing 31 has a cylindrical shape and a diameter which is substantially equal to the maximum diameter of basket 4. The upper. part of the housing 32 has a substantially rectangular cross section, as indicated in FIG.
  • housing 31 and housing 32 are connected to each other by connecting rods 34, and housing 31 and thus also the basket 4 are mounted in a fixed posidon, while housing 32 and thus the baskets 5 and 6 are adjustable relative to the housing 31 and basket4 so as to permit the size of the triangle which is defined by the three baskets 4, 5 and 6 to be varied in accordance with the diameter of the particular tubular fabric 1 to be slit.
  • the two housings 31 and 32 are adjustable relative to each other by means ofa spindle 35 which maybe turned by hand or, more, preferably, by a servomotor.
  • Housing 32 is screwed upon two lateral brackets36 which carry the cutting device 7 including the carriage l6 and its supporting tube 17 and theassociated control elements.
  • the cutting device 7 and its associated driving and control elements will therefore also be adjusted accordingly.
  • the shafts 29 of baskets 4, .5 and 6 are provided within the housings 31 and 32 with sprocket wheels 37 whichare connected by an endless chain 38. As indicated in FIG. 4, this chain 38 also passes around a sprocket wheel 39 which is mounted on the driven shaft of a worm reduction gear 40.
  • the sprocket wheels 37 of the baskets 5 and 6 are disposed symmetricallyat both sides of a straight line connecting the sprocket wheel 37 of basket 4 with the sprocket wheel 39 of the worm gear 40.
  • Chain 38 passes over two pairs of guide wheels 41 at both sides of the sprocket wheels 37 of baskets and 6, and one guide wheel 41 of each pair preferably forms a chain tightener by being adjustable in suitable guide means. Baskets 5 and 6 may in this manner be adjusted relative to basket 4 without requiring any fundamental change in the geometrical conditions of the structure of the drive mechanism.
  • an electrically controlled reversing clutch or reversing gear 42 is provided between the worm gear 40 and a motor, preferably an electric motor, not shown. After being switched on, this motor will run continuously in one direction. When the movable member of the reversing clutch 42 is shifted to its central neutral position, the rotation of the motor will not be transmitted to the baskets 4, 5 and 6 and if this clutch member is shifted forwardly or toward the rear, clutch 42 will drive the baskets in one or the opposite direction.
  • a similar reversing clutch or reversing gear may also be provided intermediate the turntable 3 and the motor for driving the same.
  • the reversing clutch or gear 42 and, if provided, a similar reversing clutch or gear for the turntable 3 are controlled by the carriage l6 insofar as the distance of movement of this carriage determines whether the reversing clutch or gear 42 will be in its neutral position in which the baskets 4 to 6 are stopped or whether it will be shifted to one or the other end position in which the baskets will be turned in one or the other direction.
  • carriage 16 is for this purpose provided on its lower side with a supporting member 43 on which for each reversing clutch or gear 42 three control cams 44, 45 and 46 are provided which are operatively associated with switches 47.
  • control cams 44, 45 and 46 are preferably secured on the supporting member 43 so as to be adjustable in the direction of the supporting tube 17 of carriage 16.
  • Each of the electromagnetically actuated reversing clutches or gears 42 is associated with circuits each of which contains a switch 47.
  • Switch 47 of one circuit is adapted to be actuated by the control cam 44 and the switch of the other circuit by the control cam 46.
  • a third switch 47 is connected to both circuits and adapted to be actuated by the central control cam 45.
  • the switches 47 are mounted in fixed positions on a crossbar 48 between the two brackets 36.
  • the position to which the control earns 44 to 46 are adjusted determines the position in the course of travel of carriage 16 in which the drive means of the baskets 4, 5 and 6 or of the turntable 3 are switched on.
  • the position in which each series of cams 44 to 46 is located relative to the other series also determines the order of succession in which the drive means of the baskets and the turntable are switched on.
  • a machine for slitting tubular fabrics each having a marking line extending substantially longitudinally thereof comprising drawing means for drawing said fabric in its substantially longitudinal direction, means for spreading said tubular fabric while being moved by said drawing means, a slide carriage, drive means for moving said carriage transversely to the direction of travel of said fabric, tracing means adapted to trace the course of said marking line on said tubular fabric and to control the movements of said carriage, and control means responsive to the movements of said carriage for reducing the speed of said drawing means if said marking line deviates considerably from a substantially straight course so as to permit said carriage to carry out its transverse movements.
  • tracing means comprise optical means mounted on said carriage and responsive to a contrast in brightness of said tubular fabric formed by said marking line, and further comprising aservomotor adapted to move said carriage and controlled by said tracing means.
  • control means comprise a rotary potentiometer having a central tap connected in series with said drawing means, and transmitting means connecting said carriage to said potentiometer so as to convert the sliding movements of said carriage into rotary movements of said potentiometer.
  • a slitting machine as defined in claim 2 further comprising reversible drive means for turning said tubular fabric about an axis extending substantially transverse to said direction of travel in the event that said marking line excessively deviates from a straight course so as to move said marking line back to said straight course.
  • said spreading means comprise basketlike elements laterally spaced from each other and each having a central axis extending substantially in said direction of travel, said reversible drive means connected to said basketlike elements for turning the latter and for thereby turning said fabric in a direction substantially transverse to said direction of travel, said control 9 means comprising electric switch means connected to said drive means and adapted to be actuated by said carriage for starting said drive means.
  • control means comprise control arms on said carriage and electric switch means connected to said fabric-turning drive means and adapted to be actuated by said control cams.
  • said reversible drive means comprise a motor adapted to run continuously in one direction, turning means adapted to turn said tubular fabric in a direction substantially transverse to said direction of travel, motion transmitting and reversing means connected to said motor and movable from a neutral position in which said transmitting means run idle to one or the opposite sidethereof in which the rotation of said motor is transmitted to said turning means so as to turn the latter in one direction or the other, said control means comprising switches connected to said motion transmitting and receiving means and adapted to be actuated by said carriage.
  • said drive means for said basketlike elements comprise a sprocket wheel mounted on each of said elements, a rotary drive element, a common chain adapted to run around and to engage with said sprocket wheels and said drive element, and guide wheels on both sides of each of said adjustable basketlike elements, at least one of said guide wheels also being adapted to serve as a chain tightener.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
US00264471A 1971-06-21 1972-06-20 Machine for slitting tubular fabrics Expired - Lifetime US3776077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712130721 DE2130721A1 (de) 1971-06-21 1971-06-21 Aufschneidemaschine fuer schlauchware

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864794A (en) * 1972-11-07 1975-02-11 Heinz Baumann Apparatus for slitting and opening a knit tube
US4480365A (en) * 1982-09-24 1984-11-06 Yugen Kaisha Manthree Shokai Support mechanism for a driven drum for feeding uniform width tape in a knitted tape manufacturing device
US4517712A (en) * 1982-03-15 1985-05-21 Samcoe Holding Corporation Method for automatically detecting and orienting the edge of a tubular knitted fabric
US4592260A (en) * 1985-03-28 1986-06-03 Swegea Maschinen Ag Band cutting machine
US4624036A (en) * 1982-03-15 1986-11-25 Samcoe Holding Corporation Automatic orientation guide for tubular knitted fabric
WO1988010181A1 (en) * 1987-06-24 1988-12-29 Svegea Maskiner Nya Ab A device at machines for continuous separation of a strip from a hose-formed material web
US5625932A (en) * 1994-12-06 1997-05-06 Catallo; Frank Apparatus for opening a tube of knitted fabric
ES2408805A1 (es) * 2013-02-28 2013-06-21 Hostel Drap, S.L. Procedimiento de corte para la obtención de piezas textiles en los procesos de fabricación en continuo
CN103243478A (zh) * 2013-04-26 2013-08-14 吴江江旭纺织有限公司 一种圆机剖刀

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4125277C2 (de) * 1991-07-31 1995-06-22 Erhardt & Leimer Gmbh Schneidgerät
IT1268635B1 (it) * 1994-10-21 1997-03-06 Bianco Spa Dispositivo per la centratura di un tessuto a maglia tubolare.
IT1308462B1 (it) * 1999-04-28 2001-12-17 Texelectronic Sa Dispositivo di controllo della posizione di una maglia tubolaredurante le operazioni di taglio
CN104060458B (zh) * 2014-07-03 2016-05-25 利诚服装集团股份有限公司 一种动态调整数控裁剪机床参数的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859813A (en) * 1954-12-11 1958-11-11 Klotz Wilhelm Sheet cutting apparatus
US3581614A (en) * 1968-09-10 1971-06-01 Fab Con Machinery Dev Corp Fabric tube slitter and opener

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859813A (en) * 1954-12-11 1958-11-11 Klotz Wilhelm Sheet cutting apparatus
US3581614A (en) * 1968-09-10 1971-06-01 Fab Con Machinery Dev Corp Fabric tube slitter and opener

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864794A (en) * 1972-11-07 1975-02-11 Heinz Baumann Apparatus for slitting and opening a knit tube
US4517712A (en) * 1982-03-15 1985-05-21 Samcoe Holding Corporation Method for automatically detecting and orienting the edge of a tubular knitted fabric
US4624036A (en) * 1982-03-15 1986-11-25 Samcoe Holding Corporation Automatic orientation guide for tubular knitted fabric
US4480365A (en) * 1982-09-24 1984-11-06 Yugen Kaisha Manthree Shokai Support mechanism for a driven drum for feeding uniform width tape in a knitted tape manufacturing device
US4592260A (en) * 1985-03-28 1986-06-03 Swegea Maschinen Ag Band cutting machine
WO1988010181A1 (en) * 1987-06-24 1988-12-29 Svegea Maskiner Nya Ab A device at machines for continuous separation of a strip from a hose-formed material web
US4999892A (en) * 1987-06-24 1991-03-19 Svegea Of Sweden Ab Device at machines for continuous separation of a strip from a hose-formed material web
US5625932A (en) * 1994-12-06 1997-05-06 Catallo; Frank Apparatus for opening a tube of knitted fabric
ES2408805A1 (es) * 2013-02-28 2013-06-21 Hostel Drap, S.L. Procedimiento de corte para la obtención de piezas textiles en los procesos de fabricación en continuo
CN103243478A (zh) * 2013-04-26 2013-08-14 吴江江旭纺织有限公司 一种圆机剖刀

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DE2130721A1 (de) 1973-04-19
CA962188A (en) 1975-02-04

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