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CN1705526A - Assembly for cutting a tube - Google Patents

Assembly for cutting a tube Download PDF

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Publication number
CN1705526A
CN1705526A CNA2003801015729A CN200380101572A CN1705526A CN 1705526 A CN1705526 A CN 1705526A CN A2003801015729 A CNA2003801015729 A CN A2003801015729A CN 200380101572 A CN200380101572 A CN 200380101572A CN 1705526 A CN1705526 A CN 1705526A
Authority
CN
China
Prior art keywords
cutting
cutting wheel
pipe
assembly
circumferential
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.)
Pending
Application number
CNA2003801015729A
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Chinese (zh)
Inventor
R·宾格利
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.)
Spiro SA
Original Assignee
Spiro SA
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 Spiro SA filed Critical Spiro SA
Publication of CN1705526A publication Critical patent/CN1705526A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/127—Tube treating or manipulating combined with or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D21/00—Machines or devices for shearing or cutting tubes
    • B23D21/14—Machines or devices for shearing or cutting tubes cutting inside the tube
    • 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
    • B26D3/163—Cutting tubes from the inside

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Turning (AREA)
  • Sawing (AREA)
  • Knives (AREA)

Abstract

A tube cutting assembly has a pair of opposite, rotatable cutting wheels (6, 18), the outer of which is movable into engagement with a rotatable tube (3) for cutting through the tube wall (5). Each cutting wheel (6, 18) is provided with a peripheral elastic ring (10, 22) which is configured to engage the tube wall (5) and which is compressible towards the opposite cutting wheel. As a result, undesirable deformations of the cut tube end are avoided.

Description

Be used to cut the assembly of pipe
Technical field
The present invention relates to a kind of rotating pipe that is used to cut, the assembly of the lock seam tube of the helically coiling that especially in air duct system, uses.
This pipe cutting assembly is usually included in the machine of the lock seam tube that is used for producing helically coiling.In these machines, a sheet metal strip is become pipe by helically coiling in forming head, thereby in a spirality lock seam place closure.GB-A-2,213,748 (Fig. 1) and US-A-4, the basic example of this machine or tube forming equipment shown in 706,481 (Figure 15).The pipe cutting assembly is installed in after the forming head.
Background technology
Such known tubes cutting assembly-those skilled in the art are referred to as cutting machine-generally comprise pair of opposed rotatable cutting wheel usually, and described cutting wheel and tube wall join to merging and work in coordination with cutting or cut off the pipe that rotates.First cutting wheel is arranged on the inside of pipe, and second cutting wheel is arranged on the outside of pipe.When cutting during pipe, outside cutting wheel is engaged with the outer surface of pipe, thereby its cutting edge can be cut and wear against the cutting edge of inner cutting wheel and with tube wall.At U.S. Pat-A-5, an example of this pipe cutting assembly is disclosed in 636,541 and its corresponding patent EP-A-749,787, EP-A-749,787 is combined to do with reference to (especially referring to Figure 13 and 14) at this.
These known pipe cutting assembly work are good under normal conditions, but in some cutting operation, the end of cutting pipe can be out of shape in undesirable mode.This is shown in Fig. 1 that a cutting pipe of looking from the end is shown.The undesired deformation of this tube wall end betides on the light-wall pipe when two cutting wheels engage tube wall with high speed sometimes.When the velocity of rotation of the velocity of rotation of pipe and cutting wheel is asynchronous also identical problem can appear.This problem is especially general when the lock seam tube of cutting auger coiling, because the location of cut of spirality lock seam between cutting wheel causes " protuberance ", thus the end distortion that can cause cutting pipe.
The distortion of cutting tube end makes and is difficult to the various tubular parts that insert in the pipe from the end are connected on this pipe.When installation comprises the air duct system of lock seam tube of the helically coiling of being made by sheet metal, the pipe fitting such as elbow, T shape part, reducing pipe and other connecting elements is connected on the described ventilating duct.If these pipe fittings can not match with ventilating duct, then assembler or the distortion of elimination end by hand, if or-the worse off cake-ventilating duct is used as waste material lose.
Summary of the invention
The purpose of this invention is to provide a kind of novel pipe cutting assembly, this pipe cutting assembly is better than prior art and can eliminates or reduce the problems referred to above at least by this pipe cutting assembly through improvement.
This purpose is realized by the pipe cutting assembly with feature that claim 1 limits, defines preferred embodiment in the dependent claims.
Owing to the circumferential elastic component at least one cutting wheel that is arranged on the pipe cutting assembly, cutting operation very steadily and can distortion occur in the cut end of pipe.When cutting wheel movably when cutting position engages with pipe, thereby circumferentially elastic component is compressed the impact that absorbs effectively on the tube wall.Thereby, to compare with the pipe cutter of prior art, the deformation force that is applied on the end of the pipe that is cut has reduced.
In a preferred embodiment, two cutting wheels all have and are used for the circumferential elastic component that engages with tube wall at cutting position.This embodiment can form a cutting operation that all has the symmetry of cushioning effect in the tube wall both sides.Deformation force all is reduced in both sides.
Preferably, circumferential elastic component radial offset is in the cutting edge inboard of the cutting wheel that is associated.Therefore, the peripheral surface of each elastic component is all by a relative pipe support surface bearing on the relative cutting wheel.This can be formed on the dangerous cutting operation very stably that reduces of end distortion of cutting pipe.
The most preferably, each circumferential elastic component comprises that all one is fastened to the ring-type element on the front surface of the cutting wheel that is associated.The design of this elastic component is favourable, because it is simple in structure and can produce good cushioning effect.
In a preferred embodiment, this annular elastic element is fastened to the clamping disk(-sc) on the front surface of the cutting wheel that is associated by means of one and is leaned against on the described front surface by folder.This tightening technology is simple and have a special advantage: promptly can be easily by the improved pipe cutting assembly existing tube forming equipment of upgrading.Preferably, clamping disk(-sc) is fastened on the described front surface with the center trip bolt of the coaxial of the cutting wheel that is associated by one.This fastening very reliable and processing easily to annular elastic element.
In another aspect of this invention, circumferentially elastic component is installed in the peripheral recess of the cutting wheel that is associated.Utilize this design, can during cutting operation, realize a well balanced cushioning effect.The cutting wheel peripheral surface that is positioned at circumferential elastic component either side can support tube wall at cutting position, and this makes cutting steadily.
In a preferred embodiment, circumferentially elastic component is one to have the ring-type element of the peripheral surface in the cutting edge outside that is positioned at the cutting wheel that is associated diametrically.This design can be impacted cutting and tentatively cushion, and this has reduced the danger of cutting pipe in the end distortion.Most preferably, the annular elastic element of the present embodiment is clamped in the described peripheral recess by clamping disk(-sc).
Preferred circumferentially elastic component is made by polymer material.
Description of drawings
Further specify this below in conjunction with the accompanying drawing that the preferred embodiment of the invention exemplarily is shown
Bright and advantage:
Fig. 1 is the end view of pipe of utilizing the pipe cutter cuts of prior art, wherein tube wall
Has undesired deformation;
Fig. 2 is the cutaway view according to the pipe cutting assembly of first aspect present invention;
Fig. 3 is the cutaway view according to the pipe cutting assembly of second aspect present invention.
The specific embodiment
Fig. 1 illustrates the circular cross section of the pipe 1 of a prior art, and it has undesired deformation 2 at cutting tip.Shown distortion 2 is inside depression, but the cutting operation of prior art also can cause the distortion of other type, for example little otch or burr.
Fig. 2 illustrates the pipe cutting assembly according to first aspect present invention.This pipe cutting assembly will cut or cut off a form that produce, that made by metal (approaching) plate in the tube forming equipment of the described type of preface be the pipe of the lock seam tube 3 of helically coiling.Pipe 3 has a spirality lock seam 4 that schematically shows.Lock seam 4 outwards protrudes from tube wall 5, and this tube wall 5 has for example 0.4 to 0.5mm wall thickness.
Pipe 3 rotates around a central axis C in known manner, and moves in the direction of arrow A since a forming head (not shown).
The pipe cutting assembly comprises first cutting wheel 6, and this cutting wheel 6 is positioned at the inside of pipe 3 and rotates around a pivot center R1 parallel with the central axis C of pipe 3.Inner cutting wheel 6 is circular, and it has a circumferential cutting edge 7 and in order to engage the circumferential pipe area supported 8 of tube wall 5.One circumferential elastic component is installed, herein for the ring-type element preferably made by polymer material or encircle 10 on the front surface 9 of inner cutting wheel 6.Elastic ring 10 is installed by a circular clamping disk(-sc) 11, and this clamping disk(-sc) 11 is fastened on the front surface 9 of cutting wheel 6 with the coaxial center trip bolt 12 of the pivot center R1 of cutting wheel 6 by one.
The parts that are used to inner cutting wheel 6 is rotated are known, thereby no longer describe in detail.But for the purpose of complete, should be understood that these parts comprise that one is kept and is installed in axle 13 in the bearing 15 by nut 14, described bearing 15 is positioned at a housing 16 and is separated by separator 17.
The pipe cutting assembly also comprises second a relative cutting wheel 18, and this cutting wheel 18 is positioned at the outside of pipe 3 and can rotates around a pivot center R2 parallel with the central axis C of pipe 3.Outside cutting wheel 18 be circular, and it designs identical with inner cutting wheel 6.Thereby outside cutting wheel 18 has circumferential cutting edge 19, one a circumferential pipe area supported 20 and a front surface 21.One elastic ring of preferably being made by polymer material 22 is installed on the front surface 21 by a circular clamping disk(-sc) 23, and this clamping disk(-sc) is fastening with the coaxial trip bolt 24 of the pivot center R2 of outside cutting wheel 18 by one.
Be used to make parts that outside cutting wheel 18 rotates and be used for the identical of inner cutting wheel 6, thus no longer detailed description.
Outside cutting wheel 18 can move on the direction perpendicular to the central axis C of pipe 3, to be used to make the cutting position L place cutting joint of relative cutting wheel 6 and 18 between described cutting wheel 6 and 18.Produce this move (arrow B) thus device 25 be known only schematically illustrated.
Now the operation according to the pipe cutting assembly of this first aspect of the present invention is described.
Pipe 3 rotates and moves in the direction of arrow A.In the time will cutting or cut off pipe 3,, lower or outside cutting wheel 18 in the rotation engages with the outer surface of tube wall 5 thereby being risen.The cutting edge 19 of outside cutting wheel 18 is cut poling wall 5, and pipe support surface 20 that during this period should outside cutting wheel 18 is in abutting connection with the outer surface of tube wall 5.During this cutting movement, inner cutting wheel 6 (it rotate but static with respect to cut direction B) supports and supports outside cutting wheel 18.The cutting edge 7 of inner cutting wheel 6 is cut poling wall 5 internally, thereby its pipe support surface 8 is in abutting connection with the inner surface of tube wall 5.
Along with the continuation of cutting operation, cutting edge 7 and 19 and pipe support surface 8 and 20 in abutting connection with corresponding compressed elastic rings 10 and 22.Because it is elastic ring 10 and 22 compression, very steady and " protuberance " can not occur to the cutting of pipe 3. Elastic ring 10 and 22 absorbs transverse cuts power, thereby forms the safety cutting that can not produce distortion at cutting tip to pipe 3.
Tube wall 5 is extruded between the circumferential pipe area supported 20 of the peripheral surface 10a of the elastic ring 10 of inner cutting wheel 6 and outside cutting wheel 18 like this.Simultaneously, tube wall 5 also externally is extruded between the circumferential pipe area supported 8 of the peripheral surface 22a of the elastic ring 22 of cutting wheel 18 and inner cutting wheel 6.
Even when lock seam 4 process cutting position L, can not produce hell and high water, because elastic ring 10 and 22 has compensated the protrusion of lock seam 4 effectively yet.Therefore, eliminated the problem relevant in the pipe cutter of prior art with lock seam.Lock seam 4 can not cause any " protuberance " between cutting wheel 6,18.
Elastic ring 10 and 22 radial offset all in the cutting edge 7 and 19 of the cutting wheel 6 that is associated and 18.In other words, peripheral surface 10a and 22a are arranged on from cutting edge 7 and 19 inside a distance.Therefore, cutting edge 7 and 19 can just begin to cut poling wall 5 before elastic ring 10 and 22 is compressed appearance undesired deformation with the cutting tip of avoiding pipe 3.This form one very stably cutting operation and have the tube end of desirable circular cross section.
Fig. 3 illustrates the tube assembly according to second aspect present invention.The basic thought of this structure is with above-mentioned identical, but the design of cutting wheel is slightly different.
Outside cutting wheel 30 has a circumferential elastic component that is installed in the peripheral recess 32 of this cutting wheel 30, is a ring 31 of preferably being made by polymer material herein.This elastic ring 31 is fastened in the recess 32 by a clamping disk(-sc) 33, and this clamping disk(-sc) 33 is fastening with the coaxial screw 34 of the pivot center R2 of outside cutting wheel 30 by one.The peripheral surface 31a of elastic ring 31 is positioned at the outside of the circumferential cutting edge 35 of outside cutting wheel 30 diametrically, and this is illustrated in, and elastic ring 31 will at first engage with tube wall 5 in the cutting operation.Thereby beginning elasticity of compression ring 31.
Inner cutting wheel 36 nonelastic members, but have two circumferential cutting edges 37 and 38, a circumferential pipe area supported 39 is arranged between described cutting edge.During operation, outside cutting wheel 30 engages with tube wall 5 at cutting position L place by means of installing 25 (by arrow B) thereby rising.Cutting edge 35,37 and 38 cooperatively interacts with cutting pipe 3, pipe support surface 39 elasticity of compression rings 31.The circumferential edge 40 close elastic rings 31 that should be pointed out that clamping disk(-sc) 33 in compression process are to play the effect of cutting edge.Pipe 3 is cut at two some places, thereby remaining one " circle " managed 3 and become waste material.
The peripheral surface 30a of outside cutting wheel 30 and 33a and clamping disk(-sc) 338 are used as the pipe support or the support surface of tube wall 5, and this can strengthen cutting operation.
Make identical in parts that cutting wheel 30 and 36 rotates and first structure, thus no longer detailed description.
An advantage according to pipe cutting assembly of the present invention is: it or can be used as annex and add on the existing tube forming equipment, perhaps can be installed on the new tube forming equipment.
At last, what should emphasize is: the present invention is not limited to above-mentioned embodiment, can make amendment in the expressed invention scope of claim subsequently.Any one or whole two that can be in the relative cutting wheel are arranged on compressed circumferential elastic component during the cutting operation.And though preferably make outside cutting wheel removable, any one in the described cutting wheel or whole two can move on transverse to the direction of pipe central axis.

Claims (11)

1. one kind is used to cut an assembly that can rotate and have the pipe (3) of tube wall (5) around a central axis (C), comprising:
One is positioned at tube interior and can centers on first cutting wheel (6 that a pivot center (R1) parallel with the central axis of pipe rotates; 36), this first cutting wheel (6; 36) has a circumferential cutting edge (7; 37) with one in order to engage the circumferential pipe area supported (8 of tube wall (5); 39);
One be positioned at tube exterior, with first cutting wheel (6; 36) relative to also centering on second cutting wheel (18 that a pivot center (R2) parallel with the central axis of pipe rotates; 30), this second cutting wheel (18; 30) has a circumferential cutting edge (19; 35) with one in order to engage the circumferential pipe area supported (20 of tube wall (5); 30a);
Be used to make described cutting wheel (6,18; 30,36) cut the device (25) that engage with the vertical cut direction (B) of the central axis of pipe with tube wall (5) along one, wear this tube wall (5) to be used for cutting in a cutting position (L);
It is characterized in that at least one cutting wheel (6,18; 30) has a circumferential elastic component (10,22; 31), this elastic component is used for engaging tube wall (5) at cutting position (L), and can be by the pipe support surface (8,20 towards relative cutting wheel; 39) compression.
2. assembly as claimed in claim 1, it is characterized in that, described each cutting wheel (6,18) all has a circumferential elastic component (10,22), this circumferential elastic component is arranged on the front surface (9 of described cutting wheel (6,18), 21) go up and have one in order to the peripheral surface that engages tube wall (5) (10a, 22a).
3. an assembly as claimed in claim 2 is characterized in that, described each circumferential elastic component (10,22) all radial offset in cutting edge (7, the 19) inboard of the cutting wheel that is associated (6,18).
4. the described assembly of one of claim as described above is characterized in that described at least one circumferential elastic component comprises an annular elastic element (10,22), and this annular elastic element is fastened on the front surface (9,21) of the cutting wheel (6,18) that is associated.
5. an assembly as claimed in claim 4 is characterized in that, described annular elastic element (10,22) leans against on the described front surface by clamping disk(-sc) (11, a 23) folder that is fixed on cutting wheel (6, the 18) front surface (9,21) that is associated.
6. an assembly as claimed in claim 5 is characterized in that, (R1, R2) coaxial center trip bolt (12,24) is fastened on the described front surface described clamping disk(-sc) (11,23) with the pivot center of the cutting wheel that is associated (6,18) by one.
7. an assembly as claimed in claim 1 is characterized in that, described at least one circumferential elastic component (31) is installed in the peripheral recess (32) of the cutting wheel (30) that is associated.
8. assembly as claimed in claim 7, it is characterized in that described at least one circumferential elastic component is one to have the annular elastic element (31) that is in diametrically with respect to the peripheral surface (31a) in the outside of the cutting edge (35) of the cutting wheel that is associated (30).
9. one kind as claim 7 or 8 described assemblies, it is characterized in that described at least one circumferential elastic component (31) is clamped in the described peripheral recess (32) by a clamping disk(-sc) (33).
10. the described assembly of one of claim as described above is characterized in that described at least one circumferential elastic component (10,22; 31) make by polymer material.
11. a machine that is used to make pipe is characterized in that, it has as the described pipe cutting assembly of one of claim 1 to 10.
CNA2003801015729A 2002-10-18 2003-10-16 Assembly for cutting a tube Pending CN1705526A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE02031037 2002-10-18
SE0203103A SE526005C2 (en) 2002-10-18 2002-10-18 Device for cutting pipes, and machine including such device

Publications (1)

Publication Number Publication Date
CN1705526A true CN1705526A (en) 2005-12-07

Family

ID=20289320

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2003801015729A Pending CN1705526A (en) 2002-10-18 2003-10-16 Assembly for cutting a tube

Country Status (8)

Country Link
EP (1) EP1565280A2 (en)
JP (1) JP2006502872A (en)
CN (1) CN1705526A (en)
AU (1) AU2003276114A1 (en)
CA (1) CA2502564A1 (en)
RU (1) RU2005114497A (en)
SE (1) SE526005C2 (en)
WO (1) WO2004035239A2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101370608B (en) * 2005-12-23 2010-06-09 法比奥·泼尼股份公司 Machine for the production of tubes by winding strips of weblike material
CN101743086B (en) * 2007-07-20 2012-06-13 株式会社富士机械工作所 Tube cutting device and tube manufacturing method
CN102825332A (en) * 2012-09-07 2012-12-19 北京金鹏振兴铜业有限公司 Auxiliary mechanism on disk slitting machine
CN104080564A (en) * 2012-02-28 2014-10-01 株式会社Cvtec Rotary cutting device and rotary cutting method
CN104440983A (en) * 2014-11-28 2015-03-25 桐乡市美达制鞋厂 Automatic cutting device for corrugated hose
CN104741685A (en) * 2015-04-10 2015-07-01 苏州斯莱克精密设备股份有限公司 Mouth edge cutting device for metal cans
CN113263339A (en) * 2021-05-11 2021-08-17 刘彦菊 Bidirectional cutting machine for natural gas pipeline machining and natural gas pipeline machining process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4892327B2 (en) * 2006-11-29 2012-03-07 株式会社富士機械工作所 Tube cutting apparatus and tube cutting method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1753827A (en) * 1926-12-01 1930-04-08 Firm L Schuler A G Werkzeugmas Tube-cutting machine
DE2538115A1 (en) * 1975-08-27 1977-03-10 Herbert Ing Grad Zimmermann Helical seam welded pipe milling vibration damper - is conical roller with variable mass, linked to pipe support roller array
DE3707405A1 (en) * 1986-05-24 1987-11-26 Demgen Karl Willi DEVICE FOR THE CHIP-FREE CUTTING OF TUBES
US5020351A (en) * 1990-05-24 1991-06-04 Spiro America Inc. Apparatus for flattening irregular circumferential surfaces in spirally formed pipe
DE4332008C2 (en) * 1993-09-21 1997-10-16 Ero Edelstahl Rohrtechnik Gmbh Cutting device for thin-walled pipes

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101370608B (en) * 2005-12-23 2010-06-09 法比奥·泼尼股份公司 Machine for the production of tubes by winding strips of weblike material
CN101743086B (en) * 2007-07-20 2012-06-13 株式会社富士机械工作所 Tube cutting device and tube manufacturing method
US10059017B2 (en) 2007-07-20 2018-08-28 Fuji Machine Works Co., Ltd. Tube cutting apparatus
CN104080564A (en) * 2012-02-28 2014-10-01 株式会社Cvtec Rotary cutting device and rotary cutting method
CN104080564B (en) * 2012-02-28 2016-10-12 株式会社Cvtec Rotary cutting device and rotary cutting method
CN102825332A (en) * 2012-09-07 2012-12-19 北京金鹏振兴铜业有限公司 Auxiliary mechanism on disk slitting machine
CN102825332B (en) * 2012-09-07 2015-05-20 北京金鹏振兴铜业有限公司 Auxiliary mechanism on disk slitting machine
CN104440983A (en) * 2014-11-28 2015-03-25 桐乡市美达制鞋厂 Automatic cutting device for corrugated hose
CN104741685A (en) * 2015-04-10 2015-07-01 苏州斯莱克精密设备股份有限公司 Mouth edge cutting device for metal cans
CN113263339A (en) * 2021-05-11 2021-08-17 刘彦菊 Bidirectional cutting machine for natural gas pipeline machining and natural gas pipeline machining process

Also Published As

Publication number Publication date
EP1565280A2 (en) 2005-08-24
WO2004035239A2 (en) 2004-04-29
SE0203103D0 (en) 2002-10-18
SE0203103L (en) 2004-04-19
SE526005C2 (en) 2005-06-14
WO2004035239A3 (en) 2004-07-01
RU2005114497A (en) 2006-02-10
AU2003276114A8 (en) 2004-05-04
AU2003276114A1 (en) 2004-05-04
CA2502564A1 (en) 2004-04-29
JP2006502872A (en) 2006-01-26

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