GB699381A - Improvements in slitting devices for sheet material - Google Patents

Improvements in slitting devices for sheet material

Info

Publication number
GB699381A
GB699381A GB1969251A GB1969251A GB699381A GB 699381 A GB699381 A GB 699381A GB 1969251 A GB1969251 A GB 1969251A GB 1969251 A GB1969251 A GB 1969251A GB 699381 A GB699381 A GB 699381A
Authority
GB
United Kingdom
Prior art keywords
cutter
sheet
mounting bracket
sheet material
slitting
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
GB1969251A
Inventor
John Lee Roberts Wright
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.)
George Mann & Co Ltd
Original Assignee
George Mann & Co 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 George Mann & Co Ltd filed Critical George Mann & Co Ltd
Priority to GB1969251A priority Critical patent/GB699381A/en
Publication of GB699381A publication Critical patent/GB699381A/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
    • 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
    • B26D1/46—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 an endless band-knife or the like
    • B26D1/50—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 an endless band-knife or the like with a plurality of band-knives or the like
    • B26D1/505—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 an endless band-knife or the like with a plurality of band-knives or the like for thin material, e.g. for sheets, strips or the like

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)

Abstract

699,381. Slitting sheet material. MANN & CO. Ltd., G. Aug. 14, 1952. [Aug. 21, 1951] No. 19692/51. Class 31 (i). A device for slitting sheet material primarily for use in a confined space in a printing or other machine whilst the sheet is being drawn positively past the device comprises a driven rotary disc cutter 12 mounted to co-act with a stationary replaceable cutter block 14 supported by the outermost part 11 of an arm 10 projecting from a boss 9 provided on a pivoted mounting bracket 3, the innermost upwardly projecting end of the arm. 10 being shaped at 18 to be of thin cross-section with a tapered leading edge 18a so that slit material can pass readily by with little disturbance of the cut edges of the material. The mounting bracket 3 is pivotally mounted on a shaft 6 and is moved by a handle 5 or other means to its operative or inoperative position in either of which positions it is retained in position by means of a spring-loaded plunger 4 provided on a fixed bracket 2. The cutter, which is spring-pressed towards the cutter block, is driven in the direction of travel of the sheet by means of gears 19, 20, 21. The cutter may be driven in the opposite direction. The forward end of the cutter block and of the mounting arm therefor are curved at 17 to provide a leading-in edge for the sheet material approaching the cutter. There may be a plurality of slitting devices. The device may be mounted in the machine immediately after the delivery cylinder at the end of the sheet supporting tapes 8 but it can be mounted in any other position e.g. whilst the sheet is travelling vertically or at an inclination. If a special fixing is needed this may comprise a driving shaft for the cutter on which the mounting bracket can be pivoted and a fixed sleeve bearing carrying the retaining bracket, or the mounting bracket when fixed.
GB1969251A 1951-08-21 1951-08-21 Improvements in slitting devices for sheet material Expired GB699381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1969251A GB699381A (en) 1951-08-21 1951-08-21 Improvements in slitting devices for sheet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1969251A GB699381A (en) 1951-08-21 1951-08-21 Improvements in slitting devices for sheet material

Publications (1)

Publication Number Publication Date
GB699381A true GB699381A (en) 1953-11-04

Family

ID=10133612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1969251A Expired GB699381A (en) 1951-08-21 1951-08-21 Improvements in slitting devices for sheet material

Country Status (1)

Country Link
GB (1) GB699381A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216327B (en) * 1961-05-25 1966-05-12 Maschf Augsburg Nuernberg Ag Device for longitudinal cutting of sheets in the delivery of printing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216327B (en) * 1961-05-25 1966-05-12 Maschf Augsburg Nuernberg Ag Device for longitudinal cutting of sheets in the delivery of printing machines

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