EP1990183A2 - Rillvorrichtung - Google Patents

Rillvorrichtung Download PDF

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Publication number
EP1990183A2
EP1990183A2 EP08155932A EP08155932A EP1990183A2 EP 1990183 A2 EP1990183 A2 EP 1990183A2 EP 08155932 A EP08155932 A EP 08155932A EP 08155932 A EP08155932 A EP 08155932A EP 1990183 A2 EP1990183 A2 EP 1990183A2
Authority
EP
European Patent Office
Prior art keywords
circular blade
side disc
tool
blade means
matching
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Withdrawn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
EP08155932A
Other languages
English (en)
French (fr)
Other versions
EP1990183A3 (de
Inventor
Remo Lorenzoni
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.)
Lcr Macchine Automatiche Srl
Original Assignee
Lcr Macchine Automatiche Srl
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 Lcr Macchine Automatiche Srl filed Critical Lcr Macchine Automatiche Srl
Publication of EP1990183A2 publication Critical patent/EP1990183A2/de
Publication of EP1990183A3 publication Critical patent/EP1990183A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/254—Surface scoring using tools mounted on belts or chains

Definitions

  • the present invention refers to the field concerning the working of the paper by-products and of the similar products and it refers to a device for carrying out creases in particular for carrying out packages made of corrugated cardboard.
  • crease devices comprising a disc-like tool acting in compression onto a face of a cardboard sheet in a relative motion in respect thereto, in order to compress a generally rectilinear portion thereof, while the opposite face of the sheet is supported, at least corresponding to the tool, by a contrasting support of the device.
  • the perimetrical edge of the disc like tool has a transversal section having a smoothed vertex shape, circular, elliptical, ogival, or similar, suitable for compressing the cardboard along a trajectory made by the tool during the relative motion, carrying out a crease fit to make easy the folding of the sheet along itself.
  • a drawback of said known devices consists in that, despite the fact that the crease locally reduces the flexion resistance of the sheet, the application to the sheet of localized flexion forces, does not cause the folding along the crease but, vice versa, according to irregular and unwanted paths.
  • Said disadvantageous phenomenon occurs very frequently when an operator try to fold manually a sheet of great length along a longitudinal crease.
  • An object of the present invention is to propose a device for carrying out crease, also very long, which allow to fold comfortably the sheet onto which they have been realized.
  • the numeral 1 indicates the device for carrying out creases object of the present invention mounted in a sliding way onto a machine M for working a cardboard sheet or similar.
  • the device is fit for longitudinal assembly, as in figure 1 and/or transversal for carrying out respectively longitudinal and transversal creases.
  • the device 1 is provided with a tool 2 comprising two side discs 3, 4 and, interposed between them, a circular blade means 5 fixed protruding to the side disc means 3, 4 coaxially to them.
  • peripheral edges of said side disc means 3, 4 and of the circular blade means are fit to act onto the sheet carrying out the crease easy foldable even if very long.
  • the circular blade means 5 is provided with peripheral teeth 6 fit to produce a discontinuous cut or a perforated line, onto the bottom of the crease carried out into the sheet.
  • the peripheral portion of the circular blade means 5 is sharp, with the peripheral teeth 6 thickness progressively decreasing outward.
  • Said teeth have the shape of an annulus sector and they are angularly spaced in a regular manner.
  • the angular distance between two teeth is equal or greater than the angle subtended by each tooth.
  • Each side disc means 3, 4 has a flat outer face 10 and an inner face 11 adjacent to the circular blade means 5 and having a diameter slightly bigger than the diameter of the outer face.
  • annular surface of the peripheral edge 8, 9 of each side disc means 3, 4 is almost shaped like a torus annular sector. Particularly the annular surface portion of the peripheral edge 8, 9 adjacent to the inner face 11 is almost perpendicular to said inner face 11.
  • the side disc means 3, 4 and the circular blade means 5 are mutually clamped and fixed to a freely rotating shaft 24 of the tool 2 by clamping means 7, of the screw type or similar.
  • the side disc means 3, 4, the circular blade means 5 and the idle shaft 24 are coaxial and rotate around their axis.
  • the two side disc means 3, 4 and the circular blade means 5 have respective housings 20, 21, 22, for instance made by respective pass-through holes, made at the same distance from respective centers and fit to house an anti-rotation means 23, for instance a sphere or a pin, for the synchronous rotation of the side disc means 3, 4 and of the circular blade means 5.
  • the device further comprises a matching means 30 opposite to the tool 2 in respect to the sheet.
  • the matching means 30 has a groove 31 interposed between the two sides 32, 33 fit respectively to house the ends of the teeth 6 and the circular blade means 5 and fit to match with the sheet side portions adjacent to the crease.
  • the matching means 30 has an almost cylindrical shape with groove 31 having circular shape and coplanar to the circular blade shape 5 and it is rotating around its own geometrical axis parallel to the shaft axis 24.
  • the cylindrical matching means is idle or, alternatively is driven in rotation, at a speed corresponding to the advancing velocity of the cardboard sheet, by motor means to which it is connected through transmission means.
  • the matching means 30 and the tool 2 are interconnected through adjusting means for the adjusting of their mutual distance and/or elastic approaching means.
  • the operation of the device provides that the sheet interposed between the tool 2 and the matching means 30, longitudinally or transversally oriented, and having longitudinal or transversal motion undergoes the side disc means action 3, 4 which compress it forming a longitudinal or transversal crease and the action of the circular blade means 5 which forms a discontinuous cutting line onto the bottom of said crease.
  • An advantage of the present invention is to provide a device for carrying out crease, even very long, which allows to fold comfortably the sheet onto which they have been carried out.

Landscapes

  • Making Paper Articles (AREA)
  • Ropes Or Cables (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
EP08155932A 2007-05-10 2008-05-08 Rillvorrichtung Withdrawn EP1990183A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000348A ITBO20070348A1 (it) 2007-05-10 2007-05-10 Dispositivo per realizzare cordonature

Publications (2)

Publication Number Publication Date
EP1990183A2 true EP1990183A2 (de) 2008-11-12
EP1990183A3 EP1990183A3 (de) 2011-08-03

Family

ID=39757891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08155932A Withdrawn EP1990183A3 (de) 2007-05-10 2008-05-08 Rillvorrichtung

Country Status (2)

Country Link
EP (1) EP1990183A3 (de)
IT (1) ITBO20070348A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2422971A3 (de) * 2010-08-31 2012-07-11 Heidelberger Druckmaschinen AG Werkzeugaufnahmevorrichtung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE520629C (de) * 1930-05-15 1931-03-12 Paul Kunze Falzmaschine mit einer Vorrichtung zum Perforieren oder Rillen der durchlaufenden Bogen
US3270628A (en) * 1962-09-20 1966-09-06 Specialty Equipment Corp Universal box folding machine
DE1299514B (de) * 1967-07-17 1969-07-17 Windmoeller & Hoelscher Rillvorrichtung in Kreuzbodenlegemaschinen
US4417883A (en) * 1981-11-05 1983-11-29 United States Gypsum Company Apparatus for creasing paper used in the production of gypsum wallboard
US4936818A (en) * 1989-03-27 1990-06-26 Holohan Jr Joseph Paper scoring device
DE4006611A1 (de) * 1990-03-02 1991-09-05 Joergen Gerhardt Schneid- und/oder perforationsrad
US5123891A (en) * 1991-07-18 1992-06-23 Westvaco Corporation Box machine die knife stabilizer
US5549539A (en) * 1993-03-30 1996-08-27 Windmoeller & Hoelscher Device for grooving continuously-fed flat workplace

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE520629C (de) * 1930-05-15 1931-03-12 Paul Kunze Falzmaschine mit einer Vorrichtung zum Perforieren oder Rillen der durchlaufenden Bogen
US3270628A (en) * 1962-09-20 1966-09-06 Specialty Equipment Corp Universal box folding machine
DE1299514B (de) * 1967-07-17 1969-07-17 Windmoeller & Hoelscher Rillvorrichtung in Kreuzbodenlegemaschinen
US4417883A (en) * 1981-11-05 1983-11-29 United States Gypsum Company Apparatus for creasing paper used in the production of gypsum wallboard
US4936818A (en) * 1989-03-27 1990-06-26 Holohan Jr Joseph Paper scoring device
DE4006611A1 (de) * 1990-03-02 1991-09-05 Joergen Gerhardt Schneid- und/oder perforationsrad
US5123891A (en) * 1991-07-18 1992-06-23 Westvaco Corporation Box machine die knife stabilizer
US5549539A (en) * 1993-03-30 1996-08-27 Windmoeller & Hoelscher Device for grooving continuously-fed flat workplace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2422971A3 (de) * 2010-08-31 2012-07-11 Heidelberger Druckmaschinen AG Werkzeugaufnahmevorrichtung
US8926486B2 (en) 2010-08-31 2015-01-06 Heidelberger Druckmaschinen Ag Tool holding device and sheet-processing machine and folding carton gluer having the device

Also Published As

Publication number Publication date
ITBO20070348A1 (it) 2008-11-11
EP1990183A3 (de) 2011-08-03

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