GB1453069A - Web-cutting apparatus for cutting preprinted cigarette paper - Google Patents

Web-cutting apparatus for cutting preprinted cigarette paper

Info

Publication number
GB1453069A
GB1453069A GB5883773A GB5883773A GB1453069A GB 1453069 A GB1453069 A GB 1453069A GB 5883773 A GB5883773 A GB 5883773A GB 5883773 A GB5883773 A GB 5883773A GB 1453069 A GB1453069 A GB 1453069A
Authority
GB
United Kingdom
Prior art keywords
pulse
knife
speed
pulses
lag
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
Application number
GB5883773A
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.)
Brown and Williamson Holdings Inc
Original Assignee
Brown and Williamson Tobacco Corp
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 Brown and Williamson Tobacco Corp filed Critical Brown and Williamson Tobacco Corp
Publication of GB1453069A publication Critical patent/GB1453069A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/28—Cutting-off the tobacco rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D36/00—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut
    • B23D36/0008—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices
    • B23D36/0033—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices for obtaining pieces of a predetermined length
    • B23D36/0058—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices for obtaining pieces of a predetermined length the tool stopping for a considerable time after each cutting operation
    • B23D36/0066—Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock which the latter is travelling otherwise than in the direction of the cut for machines with only one cutting, sawing, or shearing devices for obtaining pieces of a predetermined length the tool stopping for a considerable time after each cutting operation and taking account of marks, e.g. on the stock
    • 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
    • Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
    • Y10T83/159—Including means to compensate tool speed for work-feed variations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

1453069 Automatic control of registration BROWN & WILLIAMSON TOBACCO CORP 19 Dec 1973 [20 Dec 1972] 58837/73 Heading G3R [Also in Division H2] To cut a cigarette paper 16 in register with marks pre-printed thereon the speed of a rotating knife 18 is adjusted by a system in which lag, lead, or in-register pulses are formed in a controller 26 from the pulse output of a mark detector 24 and knife shaft encoder 28, the simultaneous occurrence of a knife pulse and a lag or lead pulse being entered in a reversible counter whose count is then entered into a store and also effects a step change in knife speed, while the simultaneous occurrence of a knife pulse and an in-register pulse causes the store to be read into the counter to cause adjustment of the speed to the stored value. The operation is such that speed adjustments are made in steps until registration is achieved, whereupon the speed is re-adjusted back to the penultimate step. Correction is effected by a stepping motor 30 driving one input to a differential gear 32, the other input to which is a constant speed drive and the output drives the knife. The knife speed encoder produces two sets of pulses, one at 500 per revolution and the other at one per revolution. The latter acts as an enabling pulse for a counter, in which an appropriate one of the 500 is selected by thumb wheel switches. This selected one is compared in time with a pulse from the photo-electric mark detector 24, using logic circuits. The arrangement is such that each time the selected knife pulse lags or leads the mark pulse a reversible counter is stepped by one step. The count is supplied to the store and to a pulse rate multiplier which thus produces pulses whose frequency adjusts, in steps, to the magnitude of the error; these pulses are applied in the appropriate directional sequence to the stepping correcting motor. This may run continuously, to rectify errors due to paper stretch &c. The logic circuits also provide pulses to a registration indicator, comprising a rotating neon tube which flashes at instants corresponding to lag and lead errors, and the instant of cutting. This enables manual adjustment when starting the machine.
GB5883773A 1972-12-20 1973-12-19 Web-cutting apparatus for cutting preprinted cigarette paper Expired GB1453069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31667972 US3820429A (en) 1972-12-20 1972-12-20 Preprinted cigarette paper registration control

Publications (1)

Publication Number Publication Date
GB1453069A true GB1453069A (en) 1976-10-20

Family

ID=23230160

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5883773A Expired GB1453069A (en) 1972-12-20 1973-12-19 Web-cutting apparatus for cutting preprinted cigarette paper

Country Status (6)

Country Link
US (1) US3820429A (en)
CA (1) CA1001265A (en)
CH (1) CH574313A5 (en)
DE (1) DE2363140A1 (en)
GB (1) GB1453069A (en)
ZA (1) ZA739608B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444634A1 (en) * 1978-12-22 1980-07-18 Gd Spa DEVICE FOR ADVANCING AND ADJUSTING CONTINUOUS FABRIC OR PAPER AND FOR CUTTING IT INTO PORTIONS
EP0074165A1 (en) * 1981-07-16 1983-03-16 Trebor Limited Separation system for continuous wrapping material
GB2283837A (en) * 1993-11-12 1995-05-17 Fmc Corp Maintaining perforation phasing

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH627119A5 (en) * 1977-10-19 1981-12-31 Baumgartner Papiers Sa
US4193329A (en) * 1978-10-10 1980-03-18 Pako Corporation Photographic paper cutter with damage avoidance back step motion
US4459885A (en) * 1980-11-20 1984-07-17 Owens-Illinois, Inc. Registration control for a label cutoff apparatus
IT1168675B (en) * 1983-05-27 1987-05-20 Gd Spa CIGARETTE PACKAGING MACHINE
FR2550724B1 (en) * 1983-08-18 1987-05-07 Martin Sa AUTOMATIC DEVICE FOR REGISTERING A TOOL MOUNTED ON A ROTARY CYLINDER FOR THE TREATMENT OF PLATE PRODUCTS
IT1181269B (en) * 1984-12-10 1987-09-23 Gd Spa METHOD FOR THE CONTEMPORARY PRODUCTION OF TWO CONTINUOUS FLOWS OF CIGARETTES
DE3542923A1 (en) * 1985-12-04 1987-06-11 Windmoeller & Hoelscher DEVICE FOR SEPARATING SECTIONS FROM A RAILWAY BY CROSS-SEPARATING CUTTINGS IN ACCORDANCE WITH PRINTING MARKS ON THE RAILWAY
IT1253912B (en) * 1991-12-13 1995-08-31 Gd Spa METHOD FOR THE CONTROL AND ADJUSTMENT OF THE FORWARD SPEED OF A CONTINUOUS CIGARETTE BACO IN A CIGARETTE PACKING MACHINE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444634A1 (en) * 1978-12-22 1980-07-18 Gd Spa DEVICE FOR ADVANCING AND ADJUSTING CONTINUOUS FABRIC OR PAPER AND FOR CUTTING IT INTO PORTIONS
EP0074165A1 (en) * 1981-07-16 1983-03-16 Trebor Limited Separation system for continuous wrapping material
GB2283837A (en) * 1993-11-12 1995-05-17 Fmc Corp Maintaining perforation phasing
FR2712231A1 (en) * 1993-11-12 1995-05-19 Fmc Corp Maintaining the synchronization of the perforations in a plastic bag manufacturing machine or the like.

Also Published As

Publication number Publication date
DE2363140A1 (en) 1974-06-27
US3820429A (en) 1974-06-28
CA1001265A (en) 1976-12-07
ZA739608B (en) 1974-11-27
CH574313A5 (en) 1976-04-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee