GB1254428A - Web cutting device - Google Patents

Web cutting device

Info

Publication number
GB1254428A
GB1254428A GB846768A GB846768A GB1254428A GB 1254428 A GB1254428 A GB 1254428A GB 846768 A GB846768 A GB 846768A GB 846768 A GB846768 A GB 846768A GB 1254428 A GB1254428 A GB 1254428A
Authority
GB
United Kingdom
Prior art keywords
web
register
stage
rollers
cutting
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
GB846768A
Inventor
Frederick John Bontoft
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Priority to GB846768A priority Critical patent/GB1254428A/en
Priority to BE728787D priority patent/BE728787A/xx
Publication of GB1254428A publication Critical patent/GB1254428A/en
Expired legal-status Critical Current

Links

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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/32—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • 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
    • B26D1/04—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 linearly-movable cutting member

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

1,254,428. Feeding webs; cutting; detecting faulty sheets. ILFORD Ltd. 17 Feb., 1969 [21 Feb., 1968], No. 8467/68. Heading B8R. Faulty sheets are rejected at a cutting station in response to detection of faults in a web prior to cutting, detection of a fault causing a pattern change in the first stage of a pattern shift register which change subsequently shifts through the remaining stages of the register during feeding of the web until it reaches a predetermined stage where it causes rejection of the sheet containing that fault. Apparatus.-A web A is continuously drawn from a supply roll 13 by drive rollers C 1 , C 2 past a fault detection point D, e.g., including an infra-red scanner for the web coating. The web passes into a storage area and is then fed intermittently by drive rollers J 1 , J 2 to an end stop member L; a guillotine K severs the web into sheets of a predetermined length. When rollers J 1 , J 2 are rotating, they drive the web forward at a faster speed than the speed with which rollers C 1 , C 2 feed the web into the storage area. Thus, arm F carrying free-running roller E travels slowly from position 1 to position 2 when rollers J 1 , J 2 are inoperative, and travels quickly from position 2 to position 1 during feed of the web to member L for cutting. Every time the arm F passes through position 3 on its downward path, i.e. after a sheet has been cut from the web, a pulse is transmitted to pattern shift register M. This pulse causes patterns to be transmitted from any one stage of the register to the next, and thus a pattern change caused by fault detection and initially in the first stage of the register will be transmitted through the register until, at a predetermined stage, it causes rejection of a sheet at the delivery end of the apparatus. The predetermined number of stages corresponds to the integral number of sheet lengths between stop member L and detector point D when arm F is in position 3.
GB846768A 1968-02-21 1968-02-21 Web cutting device Expired GB1254428A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB846768A GB1254428A (en) 1968-02-21 1968-02-21 Web cutting device
BE728787D BE728787A (en) 1968-02-21 1969-02-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB846768A GB1254428A (en) 1968-02-21 1968-02-21 Web cutting device

Publications (1)

Publication Number Publication Date
GB1254428A true GB1254428A (en) 1971-11-24

Family

ID=9853024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB846768A Expired GB1254428A (en) 1968-02-21 1968-02-21 Web cutting device

Country Status (2)

Country Link
BE (1) BE728787A (en)
GB (1) GB1254428A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228054A2 (en) * 1985-12-25 1987-07-08 Yoshida Kogyo K.K. Method and apparatus for cutting a chain of elongate products
WO2020161178A1 (en) * 2019-02-07 2020-08-13 Sms Group Gmbh Method for operating a cut-to-length device, and cut-to-length device for carrying out said method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228054A2 (en) * 1985-12-25 1987-07-08 Yoshida Kogyo K.K. Method and apparatus for cutting a chain of elongate products
EP0228054A3 (en) * 1985-12-25 1988-05-04 Yoshida Kogyo K.K. Method and apparatus for cutting a chain of elongate products
WO2020161178A1 (en) * 2019-02-07 2020-08-13 Sms Group Gmbh Method for operating a cut-to-length device, and cut-to-length device for carrying out said method

Also Published As

Publication number Publication date
BE728787A (en) 1969-08-01

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