EP0006507A2 - Vorrichtung zum Abtrennen von Streifen von Rollen gewebter Textilien, die aus durch Hitze schweissbaren Fäden bestehen - Google Patents

Vorrichtung zum Abtrennen von Streifen von Rollen gewebter Textilien, die aus durch Hitze schweissbaren Fäden bestehen Download PDF

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Publication number
EP0006507A2
EP0006507A2 EP79101833A EP79101833A EP0006507A2 EP 0006507 A2 EP0006507 A2 EP 0006507A2 EP 79101833 A EP79101833 A EP 79101833A EP 79101833 A EP79101833 A EP 79101833A EP 0006507 A2 EP0006507 A2 EP 0006507A2
Authority
EP
European Patent Office
Prior art keywords
fabric
fact
ribbons
shaft
winding
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.)
Withdrawn
Application number
EP79101833A
Other languages
English (en)
French (fr)
Other versions
EP0006507A3 (de
Inventor
Ignazio De Felice
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.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Publication of EP0006507A2 publication Critical patent/EP0006507A2/de
Publication of EP0006507A3 publication Critical patent/EP0006507A3/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D06H7/22—Severing by heat or by chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
    • B26D1/245—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00—Carrying-off electrostatic charges
    • H05F3/02—Carrying-off electrostatic charges by means of earthing connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/31—Features of transport path
    • B65H2301/311—Features of transport path for transport path in plane of handled material, e.g. geometry
    • B65H2301/3112—S-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/186—Several articles or webs processed together
    • B65H2701/1864—Superposed webs

Definitions

  • the present invention relates to an apparatus for cutting and winding ribbons obtained from rolls of textile fabrics made of heat weldable yarns.
  • the present invention allows to carry out the operation of cutting ribbons at high speed, still maintaining a high degree of precision and reliability, the whole allowing a far greater output.
  • the particular features of the apparatus for cutting ribbons essentially comprise means for unwinding the fabric with a controlled adjustable tension, means for controlling and synchronizing speed of the fabric driving rollers, means for automatic pneumatic centering of fabric fed to rotary cutters, means for removing eletrostatic charges present on the fabric surface and finally means for controlling pick up and winding tension of the cut ribbons and selvedges.
  • Fig. 3 shows the traveling path of the fabric in the apparatus.
  • Roll B of the fabric to be cut is placed on an unwinding roller 1 supported in a particular moving frame for automatic roll centering, which will be better described hereinafter with reference to Figures 7 and 8.
  • the unwinding roller 1 is provided with a pneumatic brake 2 which puts the fabric under tension while being unwound: the rate of this action is controlled through the adjustment handwheel 3.
  • the brake for the unwinding roller may also be provided of the disc type, like those for motor vehicles.
  • a manual pressure regulator (not shown) is coupled with the brake and may be preset on the described load.
  • fabric T being unwound from roll B is directed downwardly to pass around a dandy roller 4 balanced between spring 5 and countersping 6, so as to make uniform the fabric feed and remove the shake caused by the roll unwinding.
  • the fabric T is then directed upwardly to alternately pass around the tensioning rollers 7, 8 and 9 having the purpose of perfectly stretching the piece, and finally comes to the pair of driving rollers 10 and 11 both with variable speed, whose mechanical control will be hereinafter described with reference to Fig. 4.
  • the cutting station is formed by a cutter holding shaft 12, whose particular structure will be described with reference to Figures 10, 11 and 12; such a shaft is urged downwardly in the cutting position or raised therefrom by means of rods 13 of two pneumatic control jacks 14 arranged at the ends of said cutter holding shaft 12.
  • the up and down motion of the cutter holding shaft 12 could also be controlled by other mechanical means, e.g. by a rack 91 shown in Fig. 4, moved by a sprocket 92 controlled by a motor (not shown), or by a worm screw system, also controlled by a motor, or other equivalent means.
  • the fabric is urged against the cutters by counterblades consisting of ball bearings 15 whose pressure contact is given by springs 16, comb-like mounted on an adjustable bearing bar.
  • the individual cut ribbons are now being stretched by the contact with a ball bearing 102, supported by a structural bar 103 with square section, axially tensioned by a spring 104 arranged inside said bar.
  • the antistatic system illustrated in Fig. 15 in one of its possible embodiments,.consists of a rectangular bar 25a controlled by a feeder 106 diagrammatically shown in Fig. 16; such a bar when placed close to the cut ribbons, discharges to the ground network the electrostatic charges built up in the course of the operation.
  • the adjustment of the position of bar 25a close to roller 19 is carried out by hand adjustment of rod 19b being securely fixed to angle 19c connected with the apparatus frame by a bolt and slot system 19d, also to be adjusted manually.
  • the feeder illustrated in Fig. 16 is provided with a control 104 of the voltage and an on-off switch 105.
  • the system is contained in a box 106 having openings 107 for aeration of the electronic components.
  • the main switch 108 of the apparatus is also shown in Fig. 16.
  • the idler guide rollers 7,8,9 and 18 as well as the dandy roller 4 have generally a smooth metal surface, while the surface of the driving rollers 10, 11 and 19 and its counterroller 20 is made of rubber or other material adapted to guarantee a sufficient driving grip on the fabric, however without damaging it.
  • the cut ribbons are alternately divided into two sets of ribbons N and N 2 , which are directed to the winding shafts 23 and 24 respectively, forming two banks of ribbon rolls R 1 and R 2 .
  • the motion of the winding shafts 23 and 24 is controlled by the general control mechanism by means of the manually adjustable friction giving the desired winding pull, which must be lower than that of the rollers 10, 11, 19 so as not to damage the finished ribbons. This control system will be described in greater detail with reference to Figures 5 and 6.
  • the marginal waste bands of the piece or selvedges C are also picked up and wound into rolls R 3 on two reels 25 (Fig. 1) mounted on two interrupted shafts 26 fixed to the shoulders of the apparatus and joined together by connecting bar 27 clamped with bushings 28 (Fig. 1). Also the motion of the reels 25 and therefore of the shafts 26 on which they are keyed, is subject to friction to adjust the suitable winding tension which must be equal to or slightly different from that of the ribbons.
  • the position of reels 25 on the shafts 26 may be varied according to the width of the piece which is being processed.
  • gearwheel 29 controls the cycle of the feeding, cutting and selvedge picking devices, while gearwheel 30 controls the devices for winding the cut ribbons.
  • gear 33 The function of gear 33 is to be always meshed with the underlying gear 35 which is fixed to the driving roller 10 so that the motion is transmitted to the latter. It is to be noted that the pitch diameter of gears 33 and 35 is greater than the diameter of the corresponding rollers 11 and 10 so that these latter are spaced as it can be seen in Fig. 3.
  • Gearwheel 34 has the function of trasmitting motion through a short chain 36, to sprocket 37 being coaxial and fixed to gear 38, which is a simple transmission gear but drives gear 39 when it is lowered in its operative position by rod 13 of the pneumatic cylinder 14.
  • gear 38 and 39 causes the rotary cutters to turn as gear 39 is just fixed to the cutter bearing shaft 12.
  • the control chain 31 transmits motion also to gear 40 fixed to the driving roller 19.
  • gear 40 has the same pitch diameter of gears 33 and 35, it is clear that driving rollers 10 and 11 and driving roller 19 have all the same speed and therefore the same advancement speed is obtained for both the fabric feed and the ribbon pick up.
  • motion transmitting chain 31 passes on gear 42 controlling shaft 26 for picking up the selvedges, through an adjustable clutch which will be described hereinafter. Then the control chain 31 completes the loop returning to the gearwheel 29.
  • gearwheel 30 controls only a second chain 43 moving gears 44 and 45 driving through an adjustable clutch the winding shafts 23 and 24 for the sets of cut ribbons N 1 and N 2 and then returns through a chain stretcher 46 to the gearwheel 30.
  • Both shaft 26 for picking up the selvedges and the winding shafts 23 and 24 for the cut ribbons are not rigidly moved by the corresponding gears controlled by the chains driven by the motor, but through a coupling with adjustable clutch which is now being described with reference to Fig.6.
  • Shaft 26 (as well as shafts 23 and 24) receives motion from gear 42 (or gears 44 and 45 respectively) through a friction disc 47 interposed between a plate 48 fixed to shaft 26 and a plate 49 fixed to gear 42.
  • the torque transmitted by the clutch may be adjusted by varying the pressure of discs 49 and 48 on the friction disc 47; this is effected by screwing the control wheel 50 on the partially threaded shaft 51, on which gear 42 is idler; this screwing presses spring 53 supplying through the thrust bearing 52, the axial force required for motion transmission.
  • Shaft 26 for picking up the selvedges rotates at a speed which is slightly higher than that of shafts 23 and 24 so that the selvedges are undergoing a major part of the pull.
  • Fig. 7 The automatic system for centering the piece is now illustrated, as it is diagramatically shown in Fig. 7; this system is made by a pneumatic servo control device with high pressure primary circuit (illustratively about 6 atm) and low pressure secondary circuit (illustratively about 0.8 atm).
  • high pressure primary circuit is indicated with solid thick lines and the low pressure secondary circuit with phanton thin lines.
  • High pressure air continuously feeds also a pressure reducer 59, from which starts the low pressure secondary circuit. From the reducer, low pressure air passes through a first leg 60 directly to commutator 57, and through a second leg 61 with cutoff cock 62 (when it is desired to exclude control during some control move) to an outlet nozzle 63, which is mounted in such a way as to be arranged upon the edge of fabric T being supplied from unwinding roller 1 to idler roller 4a and to dandy roller 4 (Fig.1). At the beginning of the operation the positioning of nozzles 63 and 64 may be made according to the width of the piece of fabric to be cut.
  • the commutator 57 will receive air only from line 60 and therefore it moves the valve of the alternative distributor 56, which will supply high pressure air to line A, causing piston 66 jointly with rod 67 and movable frame 68 to move to the right, until the connection between outlet nozzle 63 and picking up funnel 64 is again uncovered.
  • the roll B is in a condition of continuous unstable oscillation which allows however that it is always centered in an optimal way.
  • the movable frame 68 runs inside a fixed frame formed by slides 69 partially shown in Fig. 1.
  • Fig. 9 shows the support system for the shafts on which cut ribbons are wound.
  • Shaft 23 (or 24) must be able to swing easily to the outside of the apparatus, when the cylinder bearing the cores for winding the cut ribbons must be extracted.
  • the shaft has a lip- slip end 70 to be joined to the complementary end 71 of a short supporting arm 72 fixed to the shoulder of the apparatus.
  • a sliding sleeve 73 can cover the joint of the two lips 70 and 71 and be fixed in such a position by knob 74.
  • shaft 23 may be swung outwards for extracting the rolls of ribbon, its other end being pivoted to the apparatus through a support 75 consisting of a moving plate rotating on the underlying plate 76 which is fixed to the other shoulder of the apparatus by means of a crown of thrust bearing balls interposed inside it.
  • Figs. 10, 11 and 12 the structure of the cutter bearing shaft 12 is shown in greater detail.
  • Said shaft is hollow and inside it there is a longitudinally extending, helically wound electric resistance 77 which is connected at both ends with a rotary slip ring 93 fixed on shaft 12, said slip ring 93 picking up current from a relevant brush 94 receiving power through a lead 95 from a current regulator (not shown) of a conventional type, so as to change the working temperature according to the kind of textiles material being processed, speed and other parameters.
  • the resistance is of a particular miniaturized type with winding of very little diameter between 10 and 30mm.
  • rings 78 (Fig. 11) are keyed; a cutting blade 79 with circular sharp edge is machined on each ring 78. Also these rings 78 are miniaturized with diameters of 30 to 60 mm and made of materials which are particularly suitable for a continuous service under heavy conditions due to the mechanical stresses discharged on them.
  • Spacers 80 are keyed on the shaft 12 between rings 78. It is obvious that shaft 12 may be replaced by other similar cutter bearing shafts having cutters with blades of different height or different pitch according to the width of the cut ribbons desired to be obtained.
  • the cutter bearing shaft 12 is held pressed in the cutting position by a thrust bearing system connected to said shaft 12 and therefore also supported by rods 13 of penumatic cylinders 14.
  • Such a thrust bearing system which can better be seen in Fig. 1, consists of a shaft 81 on which one or more stands 82 supporting bearings 83 pressing on the cutter holding shaft 12.
  • the system of locking the cutting rings or blades 78 is implemented as shown in Fig. 12. Rings 78 inserted on shaft 12 are locked by means of a locking screw 97 or the like. -At the other end of shaft 12, after the set of rings 78 and before the fixed ring 96, a pair of rings 98 and 99 forming a turnbuckle, the one having a protruding threaded stem 100 screwed in a corresponding thread of the other; by holding still one ring and turning the other by means of suitable tools engaged in sbts 101, the cutting rings 78 are tightened and tensioned, locking them on the cutter holding shaft 12.
  • Fig. 1 At last in Fig. 1 one can also see the general structure of the apparatus, comprising a sturdy frame consisting of two shoulders 84 and 85, joined together by several crosspieces, of which those indicated with reference numerals 86, 87 and 88 can be seen in the drawing. On a rule 89 it is also arranged a length counter and indicator 90 which is being rotated by the tensioned fabric just before the cutting station, and therefore precisely counts the length of the processed material.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP79101833A 1978-06-16 1979-06-08 Vorrichtung zum Abtrennen von Streifen von Rollen gewebter Textilien, die aus durch Hitze schweissbaren Fäden bestehen Withdrawn EP0006507A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT24654/78A IT1096486B (it) 1978-06-16 1978-06-16 Apparecchio per il taglio di nastri da bobine di tessuti fatti con filati termosaldabili
IT2465478 1978-06-16

Publications (2)

Publication Number Publication Date
EP0006507A2 true EP0006507A2 (de) 1980-01-09
EP0006507A3 EP0006507A3 (de) 1980-04-02

Family

ID=11214269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79101833A Withdrawn EP0006507A3 (de) 1978-06-16 1979-06-08 Vorrichtung zum Abtrennen von Streifen von Rollen gewebter Textilien, die aus durch Hitze schweissbaren Fäden bestehen

Country Status (4)

Country Link
EP (1) EP0006507A3 (de)
AR (1) AR219393A1 (de)
ES (1) ES473805A1 (de)
IT (1) IT1096486B (de)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610309A1 (fr) * 1987-02-02 1988-08-05 Krieger Theodore Decoupeuse de rubans enroules en bobine
EP1762653A1 (de) * 2005-09-07 2007-03-14 Framax S.r.l. Maschine zum Abschneiden oder zum Gravieren von Textilien mittels Laser, insbesondere von Rollen aus bahnartigem Textilmaterial
KR100845550B1 (ko) 2007-05-16 2008-07-10 최규수 스크린 원단의 절단 장치
CN105197654A (zh) * 2014-06-19 2015-12-30 上海紫东薄膜材料股份有限公司 一种具有高效除静电功能的薄膜分切机
CN108019481A (zh) * 2017-12-26 2018-05-11 中建三局集团有限公司 一种可独立张紧的双排链双驱动轮同步机构
CN110884945A (zh) * 2019-11-22 2020-03-17 安徽和邦纺织科技有限公司 一种棉线除静电装置
CN109591084B (zh) * 2019-01-14 2020-08-04 铜陵麟安生物科技有限公司 一种具有变速功能的精准型地板湿巾切割装置
CN111924587A (zh) * 2020-07-16 2020-11-13 苏州锋领电子科技有限公司 一种复卷分切机的防静电装置及其使用方法
CN112900054A (zh) * 2021-01-15 2021-06-04 章建霞 一种汽车安全带批量生产用分切装置
CN112960454A (zh) * 2021-02-23 2021-06-15 周晓琪 一种熔喷布的分切及收卷装置
CN113334457A (zh) * 2021-06-11 2021-09-03 利辛县富亚纱网有限公司 一种纱网加工用高稳定性裁剪装置及其使用方法
CN114160858A (zh) * 2021-12-02 2022-03-11 江苏江顺精密机电设备有限公司 一种立式废料剪
CN114476807A (zh) * 2022-03-07 2022-05-13 上海工程技术大学 一种预浸料自动化分切复卷装置
CN116136359A (zh) * 2023-02-22 2023-05-19 安徽省天助纺织科技集团股份有限公司 一种棉纺织加工用循环烘干设备
WO2023108511A1 (zh) * 2021-12-14 2023-06-22 浙江中屹纺织机械科技有限公司 一种具有消静电功能的纺织机
CN116690708A (zh) * 2023-06-09 2023-09-05 贵州年丰纸品有限公司 一种具备自清洁功能的包装纸生产设备
CN117845603A (zh) * 2024-03-07 2024-04-09 福建旭远纺织科技实业有限公司 一种锦纶纺织面料放卷裁切装置及其方法
CN119059336A (zh) * 2024-11-06 2024-12-03 美泰克斯膜技术江苏有限公司 一种用于超滤膜收卷机的驱动摆动装置
CN119190943A (zh) * 2024-12-02 2024-12-27 扬州科实包装新材料有限公司 一种包装膜生产用收卷装置
CN120347998A (zh) * 2025-06-24 2025-07-22 洛阳德道塑料科技有限公司 一种pvc膜加工用膜材的展平输料机构
US12492496B2 (en) * 2021-04-07 2025-12-09 Avi Plast Plastic Industries Ltd Mesh structure and method of forming the mesh structure

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CN115872207A (zh) * 2022-11-18 2023-03-31 湖南中科宇能科技有限公司 脱模布自动卷绕工装
CN115625742B (zh) * 2022-12-07 2023-03-03 佛山市顺德区伏田电气股份有限公司 一种薄膜加工用分切机

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Publication number Priority date Publication date Assignee Title
US2343720A (en) * 1943-02-02 1944-03-07 Irvington Varnish & Insulator Sheet material slitting and winding machine
US2472548A (en) * 1945-02-24 1949-06-07 Wagner Electric Corp Automatic tensioning device for reels
US2445271A (en) * 1945-03-17 1948-07-13 William C Huebner Static eliminating means
US2756819A (en) * 1954-02-08 1956-07-31 David N Judelson Slitting and fusing apparatus
US3474292A (en) * 1966-03-01 1969-10-21 Du Pont Method of reducing electrostatic charges on film structures
DE2451102C3 (de) * 1974-10-28 1979-08-02 Letron Gmbh & Co Kg, 8750 Aschaffenburg Verfahren und Vorrichtung zum Herstellen von Kunststoffbahn-Fertigrollen

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610309A1 (fr) * 1987-02-02 1988-08-05 Krieger Theodore Decoupeuse de rubans enroules en bobine
EP1762653A1 (de) * 2005-09-07 2007-03-14 Framax S.r.l. Maschine zum Abschneiden oder zum Gravieren von Textilien mittels Laser, insbesondere von Rollen aus bahnartigem Textilmaterial
KR100845550B1 (ko) 2007-05-16 2008-07-10 최규수 스크린 원단의 절단 장치
CN105197654A (zh) * 2014-06-19 2015-12-30 上海紫东薄膜材料股份有限公司 一种具有高效除静电功能的薄膜分切机
CN108019481A (zh) * 2017-12-26 2018-05-11 中建三局集团有限公司 一种可独立张紧的双排链双驱动轮同步机构
CN109591084B (zh) * 2019-01-14 2020-08-04 铜陵麟安生物科技有限公司 一种具有变速功能的精准型地板湿巾切割装置
CN110884945B (zh) * 2019-11-22 2021-06-15 安徽和邦纺织科技有限公司 一种棉线除静电装置
CN110884945A (zh) * 2019-11-22 2020-03-17 安徽和邦纺织科技有限公司 一种棉线除静电装置
CN111924587A (zh) * 2020-07-16 2020-11-13 苏州锋领电子科技有限公司 一种复卷分切机的防静电装置及其使用方法
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AR219393A1 (es) 1980-08-15
IT7824654A0 (it) 1978-06-16

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