US3799826A - Method for splicing webs - Google Patents

Method for splicing webs Download PDF

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Publication number
US3799826A
US3799826A US00290605A US29060572A US3799826A US 3799826 A US3799826 A US 3799826A US 00290605 A US00290605 A US 00290605A US 29060572 A US29060572 A US 29060572A US 3799826 A US3799826 A US 3799826A
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US
United States
Prior art keywords
web
imperfect
perfect
path
blade
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.)
Expired - Lifetime
Application number
US00290605A
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English (en)
Inventor
M Kron
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to US00290605A priority Critical patent/US3799826A/en
Priority to CA178,291A priority patent/CA995126A/en
Priority to JP10396873A priority patent/JPS5633240B2/ja
Priority to FR7333520A priority patent/FR2199740A5/fr
Priority to GB4394773A priority patent/GB1436778A/en
Priority to DE2347428A priority patent/DE2347428C3/de
Priority to US41558873 priority patent/US3854357A/en
Application granted granted Critical
Publication of US3799826A publication Critical patent/US3799826A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • 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
    • B26D1/25—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 non-circular cutting member
    • B26D1/34—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 non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—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 non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1062—Prior to assembly
    • Y10T156/1074—Separate cutting of separate sheets or webs
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/13—Severing followed by associating with part from same source
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1715—Means joining indefinite length work edge to edge

Definitions

  • the apparatus comprises a pair of fixed, spaced apart knife blades adjacent separate perfect and imperfect web paths, and a movable knife blade cooperating with the fixed knife blades in succession for severing the web at opposite ends of the imperfect portion to form a trailing web end portion lying in the perfect web path and a leading web end portion lying in the imperfect web path.
  • a web guiding member is coupled to the movable blade for selectively guiding the web along the perfect and imperfect web paths. When the movable blade is returned to its normal position, the web guiding member moves the leading web end portion to the perfect film path in position to be spliced to the trailing web end portion.
  • This invention relates generally to cutting mechanisms, and more specifically to an improved method and apparatus for removing an imperfect portion of a web to form trailing and leading web end portions, and placing the web end portions in position for splicing to form a continuous perfect Web.
  • a method and apparatus for removing an imperfect portion of a web to form trailing and leading web end portions, and placing the web end portions in position to be spliced together.
  • perfect and imperfect web paths are defined, and a web having an imperfect portion is transported along the perfect web path.
  • the web is severed on one side of the imperfect portion to form a trailing web end portion lying in the perfect web path, and the imperfect portion is transported and guided along the imperfect web path.
  • the web is severed on the opposite side of the imperfect web portion to remove the imperfect portion from the web and form a leading web end por- Patented Mar. 26, 1974 tion lying in the imperfect web path.
  • severing apparatus for practicing the inventive method, means are provided for defining perfect and imperfect web paths.
  • a first fixed severing means is arranged adjacent the perfect web path, and a second fixed severing means'is spaced from the first severing means and arranged adjacent the imperfect web path.
  • a third severing means is arranged for movement between initial and fixed positions, and is 'cooperable with the first and second severing means for severing a web in the perfect and imperfect web paths.
  • Web guiding means is coupled to the third severing means for movement between a first position in which it guides a web having an imperfect portion along the perfect web path, and a second position in which it guides a web having an imperfect portion along the imperfect web path.
  • the web guiding means is further responsive to the third severing means for returning the leading web end portion lying in the imperfect Web path to the perfect web path in position to be spliced to the trailing web end portion.
  • the coupling between the third severing means and the web guiding means is in the form of lat'ch means.
  • a resilient stop means is provided for the web guiding means to permit relative movement between the web guiding means and the third severing means for altering the coupling therebetween so that it is assured that the leading web end portion will clear the first severing means and rest in the perfect web path.
  • the primary advantage of applicants method and apparatus of this invention is to provide an automatic, reliable, time and cost saving system for removing an imperfect portion of a web to form trailing and leading web end portions, and placing the web end portions in position ot be spliced together to form a continuous perfect web.
  • One of the objects of the present invention is to provide a method and apparatus for automatically removing an imperfect portion from a web to form trailing and leading web end portions, and splicing the web end portions together to form a continuous perfect web.
  • Another object of the invention is to provide a method and apparatus for removing an imperfect portion of a web that is of simple design and construction, thoroughly reliable and efficient in operation, and economical to manufacture.
  • FIG. 1 is a segmental, side elevational view of the severing apparatus of this invention with a side frame removed for purposes of clarity;
  • FIG. 2 is an elevational view of the severing apparatus of FIG. 1 taken substantially along line 2-2 of FIG. 1;
  • FIG. 3 is a segmental, plan view of the severing apparatus of FIG. 1 taken substantially along line 3-3 of FIG. 1;
  • FIG. 4 is a segmental view of the severing apparatus of FIG. 1 with portions thereof omitted for purposes of clarity, and illustrating one position of the movable blade severing the leading end of an imperfect portion and directing the imperfect portion and web into the imperfect web path;
  • FIG. 5 is a segmental view similar to FIG. 4 illustrating the movable blade in a position severing the imperfect portion along the imperfect web path;
  • FIG. 6 is a view similar to FIG. 4 illustrating the movable blade of the apparatus in its normal position, and a pivotal trap door carried thereby in a position in which the leading web end portion has been moved past a fixed blade for movement onto the surface of the perfect web path.
  • a severing apparatus 8 for removing an imperfect portion of a web 10 to form trailing and leading web end portions, and placing the web end portions in position to be spliced together to form a continuous perfect web.
  • a severing apparatus has utility in any application in which it is desired to remove imperfect portions of a material from the remainder of the material, it is particularly useful in a slitter-spooler of the type partially shown in FIG. 1 in which a wide roll of web material is slit by a slitter, not shown, into a plurality of webs of narrower width, and the narrower webs rewound on spools, not shown.
  • Any suitable sensing means may be provided for sensing the leading end of an imperfect web portion, and in response thereto actuating a severing apparatus 8 through any suitable air cylinders, valves and electrical control system causing the apparatus to move to a first position (FIG. 4) in which a movable blade mechanism 14 cooperates with a fixed blade 16 for severing web 10 before the defective portion, leaving a leading web end portion lying in the perfect web path.
  • blade 14 directs the imperfect portion and web 10 into an imperfect web path.
  • the severing apparatus 8 is again actuated by the control system causing the apparatus to move to a second position (FIG. 5) v in which movable blade mechanism 14 cooperates with blade 18 for severing the imperfect portion from web 10.
  • the movable blade mechanism 14 is then returned by the control system to its normal position, and while doing so moves a web guiding trap door 20 coupled thereto to a position urging the leading end portion 22 of the web from the imperfect'web path into the perfect web path adjacent the trailing web end portion 15 and in position for splicing.
  • a splicing mechanism of any suitable type such as an ultrasonic horn 24 is moved into engagement with web end portions 15, 22 for splicing the web ends together to form a continuous perfect web.
  • the web transport rollers 12 are again actuated for transporting web 10 through severing apparatus 8 and onto the take-up spool.
  • the take-up spool may be driven by any suitable drive motor and clutch arrangement, not shown, for winding the perfect web on the spool.
  • movable blade mechanism 14 comprises a U-shaped blade holder 26 in which the ends thereof are secured to shafts 28 journaled for rotation inside frame members 30 of the slitter-spooler.
  • a shear blade 32 is secured by any suitable means to the blade holder 26, and holder 26 and blade 32 are pivotally movable about axis 34 by any suitable air cylinder 36 or the like, one end of which is pivotally secured to holder 26 by a pin 38.
  • a bed 40 is mounted on the top of frame members 30, and web 10 is transported on the upper surface of bed 40 from the slitter through severing apparatus 8 and onto the take-up spool, not shown.
  • Fixed blade 16 extends across frame members 30 with the upper surface thereof lying substantially in the plane of bed 40, and is of length at least equal to the width to the web to be severed.
  • Also supported by frame members 30 is fixed blade 18 spaced from blade 16 to form a passageway therebetwen through which, when desired, an imperfect portion of the web is transported and guided along an imperfect web path. Blade 18 also spans frame members 30 and is of a length at least equal to the width of a web to be severed.
  • the fixed blades 16, 18 are arranged in cutting relation to moving blade 32 such that the moving blade when pivoted from its normal position seen in FIG. 1 to its lowermost position seen in FIG. 5 will sever in succession web 10 interposed between blade 32 and each of the fixed blades 16, 18 respectively.
  • movable blade 32 is secured to holder 26 in non-parallel relationship to fixed blades 16, 18 for improved cutting action.
  • the web guiding trap door 20 coupled to movable blade mechanism 14 serves the purpose in FIG. 1 of guiding a perfect web through severing apparatus 8, in F-IGS. 4 and 5 of guiding the imperfect web portion along the imperfect web path, and in FIG. 6 of lifting the leading web end portion 22 from the imperfect web path to the perfect web path in position for splicing.
  • trap door 20 serves to pinch the leading web end portion 22 against the undersurface of blade 32 as seen in FIG. 5 to prevent inadvertent transport of web 10 past blade 32.
  • the trap door 20 has a substantially rectangular body member 42 (FIG. 3) extending into a cut-out portion 44 in bed 40, and has legs 46 extending from each side provided with stub shafts 48 journaled in the frame.
  • trap door 20 is pivotally movable about pivot 50 (FIG. 1) from a normal position, as best seen in FIG. 1, in which the upper surface of trap door 20 lies in the plane of bed 40 and supports web 1 0 transported over the bed and through the severing apparatus.
  • the trap door 20 is held in this normal position by latch means comprising a hook 52 at one end of a lever 54 secured to blade holder 26.
  • the hook 52 engages the end of a spring finger 56 supported by body member 42 and extending through slot 58 as best seen in FIGS. 1 and 3. Accordingly, when holder 26 and blade 32 are pivotally moved from their normal position (FIG. 1) to a first position as seen in FIG.
  • the pivotal trap door 20 due its weight, follows lever 54, and the upper surface thereof forms a support and guide for the defective portion of the web.
  • Further movement of blade 32 to a second position in cutting relation with lower blade 18 for severing the imperfect web portion, as best seen in FIG. 5, causes the lower surface of trap door 20 to engage a roller 60 on the end portion of a U-shaped spring 62 secured to the frame for releasably holding trap door 20 as holder 26 and lever 54 are moved relative thereto causing spring finger 56 to ride along the surface of the lever and past a shoulder 64 formed thereon.
  • trap door 20 pinches leading end 22 the web against blade 32 to prevent inadvertent web transport by the transport rollers 12.
  • lever shoulder 64 engages spring finger 56 and lifts trap door 20 to a position in which its upper surface is above the surface of bed 40 to assure that web end 22 carried thereby will clear blade 16.
  • a pair of pusher fingers 66 shown dotted in FIG. 1 which are reciprocally movable by an air cylinder are moved into engagement with the upper surface of the trap door 20, depressing it causing spring finger 56 to slide off shoulder 64 and trap door 20 to drop into its normal position as seen in FIG. 1 with spring finger 56 engaging hook 52.
  • any suitable web support means such as a shoulder 68 may be provided between the pivot 34 of blade holder 26 and lower blade 18. Such a support means over which the web is transported extends the length of the web to lower blade 18.
  • bed 40 is provided with a notch 70 or depression adjacent upper blade 16 and preferably extending across the width of the bed.
  • a reciprocally movable shoe 72 is supported by frame 30 and is adapted when moved by a cylinder 74 to press web 10 into notch 70 causing the trailing end 15 of the perfect web to be lifted up as seen in FIG. 6. This assures that the leading end portion 22 of the web will move under the lifted trailing web end portion 15 when it clears upper blad 16.
  • the leading and trailing web end portions 15, 22 are in overlapped relation, and in position to be spliced together by reciprocally movable ultrasonic born 24 in register therewith.
  • the web 10 is again transported by the transport rollers 12 over the perfect web path onto the take-up spool.
  • control system of the severing apparatus may be modified in a known way causing the air valves and electrical control system to actuate air cylinder 36 for reciprocally moving holder 26 and blade 32 rapidly and repetitively between the positions shown in FIGS. 4 and during web transport for chopping the imperfect web portion into scrap pieces of short length.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Details Of Cutting Devices (AREA)
  • Shearing Machines (AREA)
US00290605A 1972-09-20 1972-09-20 Method for splicing webs Expired - Lifetime US3799826A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US00290605A US3799826A (en) 1972-09-20 1972-09-20 Method for splicing webs
CA178,291A CA995126A (en) 1972-09-20 1973-08-08 Method and apparatus for removing an imperfect portion of a web and splicing the remaining web ends to form a continuous perfect web
JP10396873A JPS5633240B2 (ja) 1972-09-20 1973-09-17
FR7333520A FR2199740A5 (ja) 1972-09-20 1973-09-19
GB4394773A GB1436778A (en) 1972-09-20 1973-09-19 Method and apparatus for removing an imperfect intermediate portion of a web
DE2347428A DE2347428C3 (de) 1972-09-20 1973-09-20 Verfahren und Vorrichtung zum Entfernen eines fehlerhaften Teils einer Bahn
US41558873 US3854357A (en) 1972-09-20 1973-11-14 Apparatus for removing an imperfect portion of a web

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00290605A US3799826A (en) 1972-09-20 1972-09-20 Method for splicing webs

Publications (1)

Publication Number Publication Date
US3799826A true US3799826A (en) 1974-03-26

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ID=23116755

Family Applications (1)

Application Number Title Priority Date Filing Date
US00290605A Expired - Lifetime US3799826A (en) 1972-09-20 1972-09-20 Method for splicing webs

Country Status (6)

Country Link
US (1) US3799826A (ja)
JP (1) JPS5633240B2 (ja)
CA (1) CA995126A (ja)
DE (1) DE2347428C3 (ja)
FR (1) FR2199740A5 (ja)
GB (1) GB1436778A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850778A (en) * 1973-02-27 1974-11-26 Eastman Kodak Co Filmstrip handling device
US4007078A (en) * 1973-11-01 1977-02-08 Seiji Aoki Method for continuously supplying plastics film strip from extruder head
US4078961A (en) * 1973-11-01 1978-03-14 Taiyo Shokai Co., Ltd. Apparatus for continuously supplying plastics film strip from extruded head
US5656114A (en) * 1990-10-09 1997-08-12 Becking; Paul Edward Ribbon overlap welding system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980656U (ja) * 1982-11-24 1984-05-31 松下電器産業株式会社 ヒ−トパイプ式太陽熱温水器
JP2747698B2 (ja) * 1988-08-16 1998-05-06 コニカ株式会社 フイルム巻き装置およびブル巻きフィルムの作成方法
DE19843353C1 (de) * 1998-09-22 2000-05-25 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum Entfernen von Fehlstellen aus einer Bahn

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850778A (en) * 1973-02-27 1974-11-26 Eastman Kodak Co Filmstrip handling device
US4007078A (en) * 1973-11-01 1977-02-08 Seiji Aoki Method for continuously supplying plastics film strip from extruder head
US4078961A (en) * 1973-11-01 1978-03-14 Taiyo Shokai Co., Ltd. Apparatus for continuously supplying plastics film strip from extruded head
US5656114A (en) * 1990-10-09 1997-08-12 Becking; Paul Edward Ribbon overlap welding system

Also Published As

Publication number Publication date
FR2199740A5 (ja) 1974-04-12
DE2347428C3 (de) 1978-11-30
CA995126A (en) 1976-08-17
JPS5633240B2 (ja) 1981-08-01
JPS4969910A (ja) 1974-07-06
DE2347428B2 (de) 1978-03-23
GB1436778A (en) 1976-05-26
DE2347428A1 (de) 1974-04-04

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