EP3243612A1 - Cutting machine and method of cutting rolls of sheet material - Google Patents

Cutting machine and method of cutting rolls of sheet material Download PDF

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Publication number
EP3243612A1
EP3243612A1 EP17168432.7A EP17168432A EP3243612A1 EP 3243612 A1 EP3243612 A1 EP 3243612A1 EP 17168432 A EP17168432 A EP 17168432A EP 3243612 A1 EP3243612 A1 EP 3243612A1
Authority
EP
European Patent Office
Prior art keywords
cutting
logs
path
channels
rolls
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.)
Granted
Application number
EP17168432.7A
Other languages
German (de)
French (fr)
Other versions
EP3243612B1 (en
Inventor
Armando PRATA
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.)
Paper Converting Machine Co Italia SpA
Original Assignee
Paper Converting Machine Co Italia 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.)
Filing date
Publication date
Application filed by Paper Converting Machine Co Italia SpA filed Critical Paper Converting Machine Co Italia SpA
Publication of EP3243612A1 publication Critical patent/EP3243612A1/en
Application granted granted Critical
Publication of EP3243612B1 publication Critical patent/EP3243612B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B26D3/16—Cutting rods or tubes transversely
    • B26D3/161—Cutting rods or tubes transversely for obtaining more than one product at a time
    • 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
    • B26D1/12—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 cutting member moving about an axis
    • B26D1/14—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/157—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
    • B26D1/16—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
    • 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
    • B26D3/16—Cutting rods or tubes transversely
    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0608—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by pushers
    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0616—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by carriages, e.g. for slicing machines
    • 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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs

Definitions

  • the object of the present invention is a cutting machine for cutting rolls of sheet material such as paper, tissue paper, nonwoven fabric, plastic materials, etc., starting from sticks or logs.
  • the invention likewise relates also to a method of cutting these rolls of sheet material.
  • logs are initially produced which have subsequently to be cut into rolls of the required length.
  • Special cutting machines serve this purpose which have one or more disk or rotating belt blades which are cyclically lowered onto the logs to be cut, which are moved forwards in special channels.
  • motor drives are provided to confer to the blade the rotary motion, the oscillatory motion of raising and lowering of the blade and the forward movement of the blade and of the chains which drive the logs by means of special pushers.
  • the blade is made to rotate on a path contained in a cutting plane transversal to the direction of forward movement of the logs.
  • Articulated mechanisms are in themselves known which, by means of cam or connecting rod-crank systems, make the axis of the cutting blade follow a path normally circular or elliptical.
  • Known cutting machines are found to have low versatility. More particularly they have channels which allow the use of logs of limited diameter; in fact, due to the paths followed by the blade, linked to the maximum extension of the mechanical elements which determine therefore a limited cutting area, there is no possibility of using numerous cutting channels in parallel, unless the blade assembly is replaced radically.
  • the cutting machines are consequently divided on the basis of the diameter of logs to be cut and the number of channels used, given that the cutting area remains constant. For example, up to five channels can be provided in case of rolls with diameter of 240 mm, while one or two channels are provided in case of industrial rolls of more than 400 mm. There are in this way problems whenever production is changed, moving to the cutting of rolls with different diameter.
  • WO 2004/094117 A1 describes a cutting machine for the cutting of rolls of sheet material from sticks or logs which are moved forwards in a plurality of parallel longitudinal channels having the same dimension and mounted in a fixed position.
  • Cutting machines are known in particular with two channels for logs up to a certain diameter and with one channel for logs of greater diameter.
  • the object of the invention is that of eliminating these disadvantages by providing a cutting machine for cutting rolls of sheet material of different sizes, which is practical, economical and easy to make.
  • Another object of the present invention is to provide such a cutting machine for the cutting of rolls of sheet material which is highly versatile.
  • Yet another object of the present invention is that of providing such a cutting machine which also allows rolls, of such diameter that they would normally exit from it, to be returned within the cutting path of the blade.
  • a cutting machine for cutting rolls of sheet material from sticks or logs advancing in parallel channels in a horizontal direction (Z), comprising at least one cutting blade driven by actuating means able to impart to said cutting blade a path defining a cutting area contained in a plane (XY) perpendicular to the forwarding direction (Z) of the logs, the axes X, Y and Z forming a Cartesian coordinate system, with the axis X which is horizontal, wherein said parallel channels have different dimensions and are mounted movable in said direction (X) to cause the diameter of the logs to fall within said cutting path.
  • the cutting machine for cutting rolls of sheet material provides an actuation system such as to allow the cutting blade to follow a virtually elliptical orbit.
  • This system of actuation is made up of a main arm supporting the cutting blade pivoted in one of its intermediate parts to a first connecting rod and in its opposite end part to the blade and to a second connecting rod connected to a mechanism for the regulation of wear of the blade.
  • a bench is provided on which two channels of different dimensions are formed to house logs of various diameters.
  • the bench is made to translate in the predefined direction X so as to bring the diameter of the log back within the cutting area.
  • the invention likewise relates to a method of cutting rolls of sheet material from sticks or logs according to claim 6.
  • Fig. 1 shows a perspective view of a cutting machine comprising a supporting framework 1 on which a bench 30 is mounted, supporting channels parallel to a horizontal axis Z for the housing and the forward movement of the logs.
  • the configuration of the accompanying drawings provides two channels 20, 20a of different dimensions containing two respective logs 22, 22a of identical dimensions ( Fig. 2 ) or one single log 24 of greater size ( Figs. 3 and 4 ).
  • the apparatus according to the invention can be adapted to several cutting channels.
  • the logs 22, 22a, 24 moving forwards in the channels 20, 20a are fed to a cutting blade 10, with rotating disk, which provides for cutting them into the required length.
  • the blade 10 is made to rotate around its own axis by a motor via a transmission, for example a belt (not shown in the drawings) and is mounted at one end of an articulated arm 12.
  • the movement of the arm 12 allows imparting to the blade of a cutting path 14 defining a cutting area 14' on a vertical plane XY which is perpendicular to the direction Z in which the logs move forwards.
  • Figures 2 , 3 and 4 are schematic views of a section of the cutting apparatus taken along a plane perpendicular to the Z axis previously defined.
  • Fig. 2 shows an exemplifying application in which the channels 20, 20a are occupied by two logs 22, 22a of diameter below a certain limit, for example of 240 mm, and the bench 30 is in a certain position with respect to the framework 1, denoted by A.
  • both the diameters of the logs fall within the cutting area 14' defined by the path 14 of the cutting blade 10 and the cutting of the two logs can take place without further actions.
  • Fig. 3 shows an exemplifying application wherein only the channel 20 is occupied by a log 24 of greater dimensions, for example of the diameter of 350 mm, and the bench 30 is still in the position A. In this case the diameter of the log 24 goes beyond the cutting path 14 and it is not possible to obtain effective cutting.
  • Fig. 4 shows an application wherein the channel 20 containing the log 24 of Fig. 3 is in a position B with respect to the framework 1, so as to be able to be cut by the cutting blade 10.
  • the bench 30 carrying the channels 20, 20a is translated in the direction X by such a length that the diameter of the log to be cut comes back within the cutting path 14.
  • the movement can occur in both the courses of the direction X.
  • the bench 30 comprises two channels, specifically a channel of greater size 20 for industrial rolls and a channel of smaller size 20a for rolls intended for private use, but the invention is not limited to this, being able to provide a greater number of channels.
  • the translation of the bench 30 in the direction X is driven by a special actuation member, for example a servomotor (not shown).

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

Abstract

Cutting machine for cutting rolls of sheet material from sticks or logs (22, 22a, 24) moving forwards in parallel channels (20, 20a) in a horizontal direction (Z), comprising at least one cutting blade (10) driven by actuating means (12) able to impart to said cutting blade (10) a path (14) defining a cutting area (14') contained in a plane (XY) perpendicular to the direction (Z) of forward movement of the logs, the axes X, Y and Z forming a Cartesian coordinate system, with the axis X horizontal, wherein said parallel channels (20, 20a) have different dimensions and are mounted movable in said direction (X) so as to cause the diameter of the logs to fall within said cutting path (14).

Description

  • The object of the present invention is a cutting machine for cutting rolls of sheet material such as paper, tissue paper, nonwoven fabric, plastic materials, etc., starting from sticks or logs.
  • The invention likewise relates also to a method of cutting these rolls of sheet material.
  • In the production of rolls of sheet materials logs are initially produced which have subsequently to be cut into rolls of the required length. Special cutting machines serve this purpose which have one or more disk or rotating belt blades which are cyclically lowered onto the logs to be cut, which are moved forwards in special channels. In known cutting machines motor drives are provided to confer to the blade the rotary motion, the oscillatory motion of raising and lowering of the blade and the forward movement of the blade and of the chains which drive the logs by means of special pushers.
  • Conventionally the blade is made to rotate on a path contained in a cutting plane transversal to the direction of forward movement of the logs. Articulated mechanisms are in themselves known which, by means of cam or connecting rod-crank systems, make the axis of the cutting blade follow a path normally circular or elliptical.
  • Known cutting machines are found to have low versatility. More particularly they have channels which allow the use of logs of limited diameter; in fact, due to the paths followed by the blade, linked to the maximum extension of the mechanical elements which determine therefore a limited cutting area, there is no possibility of using numerous cutting channels in parallel, unless the blade assembly is replaced radically.
  • The cutting machines are consequently divided on the basis of the diameter of logs to be cut and the number of channels used, given that the cutting area remains constant. For example, up to five channels can be provided in case of rolls with diameter of 240 mm, while one or two channels are provided in case of industrial rolls of more than 400 mm. There are in this way problems whenever production is changed, moving to the cutting of rolls with different diameter.
  • WO 2004/094117 A1 describes a cutting machine for the cutting of rolls of sheet material from sticks or logs which are moved forwards in a plurality of parallel longitudinal channels having the same dimension and mounted in a fixed position.
  • Cutting machines are known in particular with two channels for logs up to a certain diameter and with one channel for logs of greater diameter.
  • Consequently there is the need to cut logs of various diameters without having to resort to different cutting machines.
  • The object of the invention is that of eliminating these disadvantages by providing a cutting machine for cutting rolls of sheet material of different sizes, which is practical, economical and easy to make.
  • Another object of the present invention is to provide such a cutting machine for the cutting of rolls of sheet material which is highly versatile.
  • Yet another object of the present invention is that of providing such a cutting machine which also allows rolls, of such diameter that they would normally exit from it, to be returned within the cutting path of the blade.
  • These objects are achieved in accordance with the invention, with the features listed in the annexed independent claim 1.
  • Preferred embodiments of the invention are disclosed by the dependent claims.
  • According to the present invention a cutting machine is provided for cutting rolls of sheet material from sticks or logs advancing in parallel channels in a horizontal direction (Z), comprising at least one cutting blade driven by actuating means able to impart to said cutting blade a path defining a cutting area contained in a plane (XY) perpendicular to the forwarding direction (Z) of the logs, the axes X, Y and Z forming a Cartesian coordinate system, with the axis X which is horizontal, wherein said parallel channels have different dimensions and are mounted movable in said direction (X) to cause the diameter of the logs to fall within said cutting path.
  • The cutting machine for cutting rolls of sheet material according to the invention provides an actuation system such as to allow the cutting blade to follow a virtually elliptical orbit. This system of actuation is made up of a main arm supporting the cutting blade pivoted in one of its intermediate parts to a first connecting rod and in its opposite end part to the blade and to a second connecting rod connected to a mechanism for the regulation of wear of the blade.
  • According to an embodiment of the invention a bench is provided on which two channels of different dimensions are formed to house logs of various diameters. When the diameter of a log to be cut exceeds the cutting area defined by the path of the cutting blade, the bench is made to translate in the predefined direction X so as to bring the diameter of the log back within the cutting area.
  • The invention likewise relates to a method of cutting rolls of sheet material from sticks or logs according to claim 6.
  • Further features of the invention will be made clearer by the following detailed description, referred to one of its purely non-limiting examples, illustrated in the accompanying drawings in which:
    • Fig. 1 is a perspective view of the cutting machine for the cutting of rolls of sheet material according to the invention which provides for the use of two channels of different dimensions;
    • Fig. 2 is a schematic view of the functioning of the cutting machine of Fig. 1 wherein the two channels are occupied by logs of same dimensions whose cross-section area comes within the cutting path;
    • Fig. 3 is a schematic view of the functioning of the cutting machine of Fig. 1 wherein a channel is occupied by a log whose diameter exceeds the cutting path;
    • Fig. 4 is a schematic view of the functioning of the cutting machine of Fig. 1 wherein the bench holding the channels is moved to bring the log with the diameter of Fig. 3 back within the cutting path.
  • With the aid of the drawings a description is given of the cutting equipment according to the invention. Fig. 1 shows a perspective view of a cutting machine comprising a supporting framework 1 on which a bench 30 is mounted, supporting channels parallel to a horizontal axis Z for the housing and the forward movement of the logs. The configuration of the accompanying drawings provides two channels 20, 20a of different dimensions containing two respective logs 22, 22a of identical dimensions (Fig. 2) or one single log 24 of greater size (Figs. 3 and 4). However the apparatus according to the invention can be adapted to several cutting channels. The logs 22, 22a, 24 moving forwards in the channels 20, 20a are fed to a cutting blade 10, with rotating disk, which provides for cutting them into the required length.
  • The blade 10 is made to rotate around its own axis by a motor via a transmission, for example a belt (not shown in the drawings) and is mounted at one end of an articulated arm 12. The movement of the arm 12 allows imparting to the blade of a cutting path 14 defining a cutting area 14' on a vertical plane XY which is perpendicular to the direction Z in which the logs move forwards. The axes X, Y and Z, with the X axis horizontal, form a Cartesian coordinate system.
  • Figures 2, 3 and 4 are schematic views of a section of the cutting apparatus taken along a plane perpendicular to the Z axis previously defined. Fig. 2 shows an exemplifying application in which the channels 20, 20a are occupied by two logs 22, 22a of diameter below a certain limit, for example of 240 mm, and the bench 30 is in a certain position with respect to the framework 1, denoted by A. In this example both the diameters of the logs fall within the cutting area 14' defined by the path 14 of the cutting blade 10 and the cutting of the two logs can take place without further actions.
  • Fig. 3 shows an exemplifying application wherein only the channel 20 is occupied by a log 24 of greater dimensions, for example of the diameter of 350 mm, and the bench 30 is still in the position A. In this case the diameter of the log 24 goes beyond the cutting path 14 and it is not possible to obtain effective cutting.
  • Fig. 4 shows an application wherein the channel 20 containing the log 24 of Fig. 3 is in a position B with respect to the framework 1, so as to be able to be cut by the cutting blade 10.
  • In order to obtain this, the bench 30 carrying the channels 20, 20a is translated in the direction X by such a length that the diameter of the log to be cut comes back within the cutting path 14. The movement can occur in both the courses of the direction X.
  • In the preferred embodiment illustrated, the bench 30 comprises two channels, specifically a channel of greater size 20 for industrial rolls and a channel of smaller size 20a for rolls intended for private use, but the invention is not limited to this, being able to provide a greater number of channels.
  • The translation of the bench 30 in the direction X is driven by a special actuation member, for example a servomotor (not shown).
  • Naturally the invention is not limited to the particular embodiment previously described and illustrated in the accompanying drawings, but numerous detailed changes may be made thereto, within the reach of the person skilled in the art, without thereby departing from the scope of the invention itself as defined by the appended claims.

Claims (6)

  1. Cutting machine for cutting rolls of sheet material from logs (22, 22a, 24) advancing in parallel channels (20, 20a) in a horizontal direction (Z), comprising at least one cutting blade (10) driven by actuating means (12) able to impart to said cutting blade (10) a path (14) defining a cutting area (14') contained in a plane (XY) perpendicular to the direction (Z) of forward movement of the logs, the axes X, Y and Z forming a Cartesian coordinate system, with the X as horizontal axis, characterised in that said parallel channels (20, 20a) are of different dimensions and are mounted movable in said direction (X) so to cause the diameter of the logs to fall within said cutting path (14).
  2. Cutting machine according to claim 1, wherein said channels (20, 20a) are supported by a bench (30) movable with respect to a carrying framework (1) of said apparatus in said direction (X).
  3. Cutting machine according to claim 2, wherein said movable bench (30) is moved by a servomotor.
  4. Cutting machine according to any one of the preceding claims, wherein two parallel channels (20, 20a) are provided.
  5. Cutting machine according to any one of the preceding claims, wherein said path (14) of the cutting blade (10) is elliptical.
  6. Method of cutting rolls of sheet material from sticks or logs, wherein the logs (22, 22a, 24) are made to move forwards in parallel channels (20, 20a) of different dimensions in a horizontal direction (Z), to feed them to a cutting blade (10) determining a path (14) defining a cutting area (14') contained in a plane (XY) perpendicular to the direction (Z) of the forward movement of the logs, the axes X, Y and Z forming a Cartesian coordinate system, with the X as horizontal axis, wherein it is provided to move said channels (20, 20a) in said direction (X) to cause the diameter of the logs to fall within said cutting path (14).
EP17168432.7A 2016-05-10 2017-04-27 Cutting machine and method of cutting rolls of sheet material Active EP3243612B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA2016A003298A ITUA20163298A1 (en) 2016-05-10 2016-05-10 CUTTING MACHINE AND CUTTING METHOD OF ROLLS OF MATERIAL IN SHEET

Publications (2)

Publication Number Publication Date
EP3243612A1 true EP3243612A1 (en) 2017-11-15
EP3243612B1 EP3243612B1 (en) 2018-09-19

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EP17168432.7A Active EP3243612B1 (en) 2016-05-10 2017-04-27 Cutting machine and method of cutting rolls of sheet material

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IT (1) ITUA20163298A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110509329A (en) * 2019-09-23 2019-11-29 黄建财 Multi-angle Automatic pipe cutter
IT202000002629A1 (en) * 2020-02-11 2021-08-11 Gambini Spa PAPER ROLL CUTTING DEVICE AND RELEVANT CUTTING METHOD.
CN114407126A (en) * 2022-03-30 2022-04-29 山东龙德复合材料科技股份有限公司 Car filter paper cutting processing equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004094117A1 (en) * 2003-04-24 2004-11-04 Fabio Perini Apparatus for temporarily holding logs within cutting-off machines
EP1481777A2 (en) * 2003-05-26 2004-12-01 Paper Converting Machine Company Italia S.p.A. Roll exit assembly for cutting off machine
EP2489486A1 (en) * 2011-02-15 2012-08-22 Gambini International S.A. Apparatus for cutting paper logs in a plurality of rolls

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004094117A1 (en) * 2003-04-24 2004-11-04 Fabio Perini Apparatus for temporarily holding logs within cutting-off machines
EP1481777A2 (en) * 2003-05-26 2004-12-01 Paper Converting Machine Company Italia S.p.A. Roll exit assembly for cutting off machine
EP2489486A1 (en) * 2011-02-15 2012-08-22 Gambini International S.A. Apparatus for cutting paper logs in a plurality of rolls

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110509329A (en) * 2019-09-23 2019-11-29 黄建财 Multi-angle Automatic pipe cutter
IT202000002629A1 (en) * 2020-02-11 2021-08-11 Gambini Spa PAPER ROLL CUTTING DEVICE AND RELEVANT CUTTING METHOD.
EP3865261A1 (en) * 2020-02-11 2021-08-18 GAMBINI S.p.A. Paper roll cutting device and related cutting method
US11465309B2 (en) 2020-02-11 2022-10-11 GAMBINI S.p.A. Paper roll cutting device and related cutting method
CN114407126A (en) * 2022-03-30 2022-04-29 山东龙德复合材料科技股份有限公司 Car filter paper cutting processing equipment
CN114407126B (en) * 2022-03-30 2022-05-27 山东龙德复合材料科技股份有限公司 Car filter paper cutting processing equipment

Also Published As

Publication number Publication date
ITUA20163298A1 (en) 2017-11-10
EP3243612B1 (en) 2018-09-19

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