EP1129830A2 - Verfahren sowie Vorrichtung zum Ausfransen eines blattförmigen Verpackungsmaterials - Google Patents

Verfahren sowie Vorrichtung zum Ausfransen eines blattförmigen Verpackungsmaterials Download PDF

Info

Publication number: EP1129830A2
Authority: EP; European Patent Office
Prior art keywords: fringing; wrapping material; unit; roller; sheet wrapping
Prior art date: 2000-03-03
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.): Granted

Application number

EP01104901A

Other languages

English (en)

French (fr)

Other versions

EP1129830A3 (de

EP1129830B1 (de

Inventor

Sandro Salicini

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.)

Azionaria Costruzioni Macchine Automatiche ACMA SpA

Original Assignee

Azionaria Costruzioni Macchine Automatiche ACMA SpA

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.)

2000-03-03

Filing date

2001-02-28

Publication date

2001-09-05

2001-02-28 Application filed by Azionaria Costruzioni Macchine Automatiche ACMA SpA filed Critical Azionaria Costruzioni Macchine Automatiche ACMA SpA

2001-09-05 Publication of EP1129830A2 publication Critical patent/EP1129830A2/de

2002-03-27 Publication of EP1129830A3 publication Critical patent/EP1129830A3/de

2005-12-14 Application granted granted Critical

2005-12-14 Publication of EP1129830B1 publication Critical patent/EP1129830B1/de

2021-02-28 Anticipated expiration legal-status Critical

Status 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
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/12—Slitting marginal portions of the work, i.e. forming cuts, without removal of material, at an angle, e.g. a right angle, to the edge of the work

Definitions

the present invention relates to a method of fringing sheet wrapping material.
the present invention relates to a method of fringing sheets of wrapping material for sweets, chocolates or similar, or at least one longitudinal edge of a continuous strip subsequently cut transversely into sheets of wrapping material.
the strip, from which the sheets of wrapping material are formed is fed continuously by a feed unit in a given traveling direction, and is fringed continuously, by a fringing device, along the opposite longitudinal edges parallel to the traveling direction.
the fringing device makes, along the longitudinal edges, a succession of cuts crosswise to the traveling direction by means of two parallel, counter-rotating rollers located on opposite sides of the strip, and which, given the continuous travel of the strip or sheets of wrapping material, are necessarily mounted for rotation about respective axes.
the rollers are cutting rollers with radial blades, which travel along circular trajectories in planes perpendicular to the traveling direction.
a method of fringing sheet wrapping material comprising the steps of step-feeding said sheet wrapping material in a given traveling direction and in feed steps of a given length through a fringing device, said sheet wrapping material having two longitudinal edges and making a succession of stops in the course of its travel; and making in the stationary sheet wrapping material a number of transverse cuts through at least one portion of at least one said longitudinal edge by means of blades moving along respective trajectories crosswise to said traveling direction.
the present invention also relates to a unit for fringing sheet wrapping material.
a unit for fringing sheet wrapping material comprising a fringing device, and feed means for step-feeding said sheet wrapping material in a given traveling direction and in feed steps of a given length through said fringing device; and the fringing device comprising a number of blades movable along respective trajectories extending crosswise to said traveling direction to make a succession of transverse cuts along at least one portion of at least one longitudinal edge of the sheet wrapping material.
Number 1 in Figure 1 indicates as a whole a unit for fringing a continuous strip 2 step-fed to a user device 3 - in the example shown, a device for wrapping sweets or chocolates.
Unit 1 comprises a support 4 for a reel 5, from which strip 2 is unwound continuously by rotating support 4 continuously by means of a motor 6.
Strip 2 is fed to user device 3 along a path P extending through a path-change device 7, which forms part of unit 1 and converts the continuous feed of strip 2 into step feed by cyclically varying a length of path P.
path-change device 7 comprises, in known manner, a transmission roller 8 mounted to rotate about an axis 9, and which translates back and forth in a direction crosswise to axis 9. More specifically, when roller 8 is moved in the direction of arrow A', path P of strip 2 is lengthened to take up the incoming strip 2 and so temporarily stop the portion of strip 2 extending downstream from roller 8; and, when roller 8 is moved in the direction of arrow A'' opposite arrow A', path P of strip 2 is shortened to feed strip 2 forward one step.
Unit 1 also comprises a fringing device 10 interposed between path-change device 7 and user device 3 along path P of strip 2.
strip 2 has a longitudinal axis 11 and is step-fed to fringing device 10 in a traveling direction B parallel to axis 11.
Fringing device 10 makes in strip 2 - more specifically, in each of the two longitudinal edges 2a of strip 2 on either side of axis 11 and parallel to direction B - a succession of cuts 12 crosswise to axis 11 and defining a succession of fringes 13.
fringing device 10 comprises two rigid, opposite, facing jaws 14 and 15, of which, jaw 14 is fixed, and jaw 15 is movable to and from jaw 14 in a direction C perpendicular to the traveling direction B of strip 2 to grip a portion 2b of strip 2 - in particular, along each longitudinal edge 2a - at each feed step of strip 2.
Jaw 14 comprises an elongated rectangular plate 16 with a longitudinal axis parallel to direction B and a substantially trapezoidal cross section.
Plate 16 is connected at the top to a fixed rod 17, and is defined axially by two surfaces 18 perpendicular to direction B and each in the form of an isosceles trapezium.
Plate 16 is also defined at the bottom by a flat surface 19 facing jaw 15, perpendicular to surfaces 18 and preferably coated with a layer 20 of resilient material, and at the top by a surface comprising a flat central portion 21 parallel to surface 19, and two sloping lateral portions 22 located on opposite sides of central portion 21 and connecting central portion 21 to surface 19.
plate 16 comprises a succession of transverse slots 23, which extend through plate 16 to a length substantially equal to the width of lateral portions 22, and define a comb 24 comprising a succession of transverse teeth 25.
Jaw 15 comprises a frame 26 located beneath jaw 14 and moved to and from jaw 14 in direction C, perpendicular to surface 19, by a known actuating device 27; and two sectors 28 fitted to frame 26 on opposite sides of axis 11.
Each sector 28 extends longitudinally in direction B, and comprises a succession of transverse slots 29, each located at a respective slot 23. Slots 29 extend through relative sector 28 to a length substantially equal to that of slots 23, and define a comb 30 comprising a number of teeth 31 located directly beneath respective teeth 25, and which in turn defines a composite comb 32 together with relative comb 24 when jaw 15 is set to a work position gripping strip 2 with jaw 14.
Each sector 28 is hinged to frame 26 by a pin 33 parallel to traveling direction B, so as to rotate with respect to frame 26 in opposition to elastic means defined by a helical shock-absorbing spring 34 interposed between relative sector 28 and frame 26 and housed inside a seat 35 formed partly in relative sector 28 and partly in frame 26.
Fringing device 10 also comprises two fringing rollers 36 located on opposite sides of plate 16. Each roller 36 is mounted to rotate about a respective longitudinal axis 37 parallel to traveling direction B, and has a number of substantially radial blades 38 equally spaced along a generating line of roller 36.
Each roller 36 is located beside a respective lateral portion 22 of the top surface of plate 16, and is so mounted that, as it rotates in the direction of arrow D, each blade 38 travels along a trajectory E crosswise to traveling direction B and downwards through relative comb 32, i.e. first through relative slot 23 and then through relative slot 29 towards jaw 15 and with no interference.
strip 2 is fed continuously off reel 5, and is detoured and step-fed by path-change device 7 in traveling direction B to fringing device 10.
actuating device 27 pushes frame 26, and therefore jaw 15, against jaw 14 to grip portion 2b of strip 2 along longitudinal edges 2a; and, in time with strip 2 being stopped and portion 2b gripped, blades 38 on each roller 36 travel through comb 32 to make transverse cuts 12.
jaws 14 and 15 and rollers 36 are preferably at least as long as the feed step imparted to strip 2 by path-change device 7.
each roller 36 comprises a number of blades 38 arranged along roller 36 in a cylindrical spiral, which has the advantage of enabling cuts 12 to be formed gradually and so reducing the stress on strip 2.
strip 2 is replaced by a succession of sheets of wrapping material step-fed through fringing device 10.
strip 2 is not fringed at the point at which the strip is eventually cut transversely to form the sheet of wrapping material, and the end fringes 13 of the sheet are formed by a known transverse strip cutting device (not shown). This solution prevents the formation of any shreds due to tearing of the fringes close to the transverse cut.
strip 2 or the individual sheets referred to above are only fringed on one side; in which case, one of rollers 36 is turned off or eliminated together with the relative composite comb 32.
a method and unit for fringing sheet wrapping material as described herein affords numerous advantages, including that of forming a series of equally spaced cuts and so obtaining identical fringes 13 at all times.

Landscapes

Life Sciences & Earth Sciences (AREA)
Forests & Forestry (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Auxiliary Devices For And Details Of Packaging Control (AREA)
Basic Packing Technique (AREA)
Packaging Of Special Articles (AREA)
Wrapping Of Specific Fragile Articles (AREA)
Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Making Paper Articles (AREA)

EP01104901A 2000-03-03 2001-02-28 Verfahren sowie Vorrichtung zum Ausfransen eines blattförmigen Verpackungsmaterials Expired - Lifetime EP1129830B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ITBO000108		2000-03-03
IT2000BO000108A IT1320907B1 (it)	2000-03-03	2000-03-03	Metodo e unita' per sfrangiare un materiale di incarto in foglio.

Publications (3)

Publication Number	Publication Date
EP1129830A2 true EP1129830A2 (de)	2001-09-05
EP1129830A3 EP1129830A3 (de)	2002-03-27
EP1129830B1 EP1129830B1 (de)	2005-12-14

Family

ID=11438254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP01104901A Expired - Lifetime EP1129830B1 (de)	2000-03-03	2001-02-28	Verfahren sowie Vorrichtung zum Ausfransen eines blattförmigen Verpackungsmaterials

Country Status (5)

Country	Link
EP (1)	EP1129830B1 (de)
AT (1)	ATE312690T1 (de)
DE (1)	DE60115739T2 (de)
HU (1)	HUP0100886A3 (de)
IT (1)	IT1320907B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2845677A1 (fr) *	2002-10-15	2004-04-16	Pierre Dumoux	Procede de traitement pour un maintien a plat d'un film mince
CN104526739A (zh) *	2014-12-26	2015-04-22	合肥齐兴电器有限责任公司	变压器绝缘纸裁剪机构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE496528C (de) *		1930-04-24	Reinhold Hartmann	Maschine zum Einwickeln von Bonbons oder aehnlichen Gegenstaenden in eine Umhuellung mit gefraenselten Raendern
DE380794C (de) *		1923-09-12	David Weber	Maschine zum Einschneiden von Schlitzen in Wellpappe und aehnliche weiche Stoffe
FR745829A (fr) *	1931-11-17	1933-05-17	Rose Brothers Ltd	Perfectionnements aux appareils pour franger les enveloppes d'emballage utilisés en combinaison avec les machines à envelopper
GB504770A (en) *	1938-03-17	1939-05-01	Forgrove Mach	Means for feeding wrapping material to wrapping machines
US4077289A (en) *	1976-11-18	1978-03-07	Hauni Werke Korber & Co., Kg	Apparatus for converting a ribbon of labels into discrete labels

2000
- 2000-03-03 IT IT2000BO000108A patent/IT1320907B1/it active
2001
- 2001-02-26 HU HU0100886A patent/HUP0100886A3/hu unknown
- 2001-02-28 AT AT01104901T patent/ATE312690T1/de not_active IP Right Cessation
- 2001-02-28 EP EP01104901A patent/EP1129830B1/de not_active Expired - Lifetime
- 2001-02-28 DE DE60115739T patent/DE60115739T2/de not_active Expired - Lifetime

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2845677A1 (fr) *	2002-10-15	2004-04-16	Pierre Dumoux	Procede de traitement pour un maintien a plat d'un film mince
WO2004035324A3 (fr) *	2002-10-15	2004-09-02	Pierre Dumoux	Procede de traitement pour un maintien a plat d'un film mince
CN104526739A (zh) *	2014-12-26	2015-04-22	合肥齐兴电器有限责任公司	变压器绝缘纸裁剪机构

Also Published As

Publication number	Publication date
ATE312690T1 (de)	2005-12-15
IT1320907B1 (it)	2003-12-10
EP1129830A3 (de)	2002-03-27
HUP0100886A2 (hu)	2001-10-28
HUP0100886A3 (en)	2002-06-28
DE60115739D1 (de)	2006-01-19
DE60115739T2 (de)	2006-08-17
ITBO20000108A1 (it)	2001-09-03
EP1129830B1 (de)	2005-12-14
HU0100886D0 (en)	2001-05-28

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