EP0662045A1 - Machine and method for making a sheet of single face corrugated cardboard - Google Patents
Machine and method for making a sheet of single face corrugated cardboardInfo
- Publication number
- EP0662045A1 EP0662045A1 EP94922934A EP94922934A EP0662045A1 EP 0662045 A1 EP0662045 A1 EP 0662045A1 EP 94922934 A EP94922934 A EP 94922934A EP 94922934 A EP94922934 A EP 94922934A EP 0662045 A1 EP0662045 A1 EP 0662045A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- sheet
- fluted
- determined value
- corrugated
- 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
Links
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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
- B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
- B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
- B31F1/2854—Means for keeping the sheet in contact with one of the corrugating rollers after corrugating, but before applying the facer sheet, e.g. by air pressure, suction or pressing fingers
-
- 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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
- B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
- B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
- B31F1/285—Heating or drying equipment
-
- 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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
- B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
- B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
- B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
- B31F1/2877—Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1016—Transverse corrugating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1025—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
Definitions
- the present invention relates to the manufacture of corrugated cardboard and more particularly to a machine for manufacturing a single-sided corrugated cardboard sheet by gluing a corrugated sheet of cardboard onto a flat sheet of cardboard known as a cover sheet, of the type comprising three cylinders heaters substantially tangent two by two, with parallel axes, namely a first fluted cylinder, for preforming the fluted sheet, a second cylinder, fluted, central, associated with means for applying the fluted sheet against its periphery, and a third cylinder, smooth, for feeding the flat sheet in contact with the grooves of the grooved sheet, at the periphery of the second cylinder, as well as means for gluing the grooves before contact between the grooved sheet and cover sheet.
- It also relates to a process for manufacturing sheets of single-sided corrugated cardboard, in particular using a machine of the above type.
- FIG. 1 shows a machine 1 of the prior art in a production line 2 for single-sided corrugated cardboard.
- the chain comprises means for feeding 3 and 4 respectively into a flat sheet, of cover, and into a flat sheet intended to form the fluted sheet.
- These supply means comprise, in a manner known per se, reels of reels 5 which allow good control of the course and braking necessary for the manufacture of cardboard.
- preheater 6 for the cover sheet, generally consisting of a steel cylinder heated by steam and provided with small rollers called “bar feeders" which are used to vary the contact surface paper / cylinder, and a preconditioner 7 for the fluted sheet, which for its part, and in addition, a sheet humidification ramp which promotes the formation of flutes.
- the chain 2 also comprises means 8 for evacuating the single-sided cardboard obtained, constituted by a system of belts in the upper part of the chain.
- FIG. 2 shows more precisely, in cross-section, the machine 1 single face of the chain of FIG. 1.
- the machine 1 also comprises a first cylinder 12, grooved, upper, made of stainless steel. It is hollow and arranged to be heated with steam in a manner known per se.
- the machine 1 also comprises a second cylinder 13, fluted, central, made of stainless steel, with an axis parallel to that of the first cylinder substantially tangent to the latter, and for example of the same diameter.
- the second cylinder is for example of the type known under the name "Air Drive”, manufactured by the French company MARTIN.
- the chamber has two chambers, namely a central chamber heated by steam and a vacuum chamber 15 connected to a device 16 for evacuating.
- the chamber comprises channels 17 drilled over the entire length of the cylinder and communicates with the peripheral surface grooved by holes.
- the machine 1 comprises a third lower cylinder 18, of smooth surface, of axis parallel to the first two and for example of the same diameter.
- This cylinder is heated with steam in a similar manner to the first two and is arranged to compress the cover sheet against the edges of the grooves of the grooved sheet, in contact with the periphery of the central grooved cylinder, as will be seen.
- the machine 1 also comprises means 19 for gluing the ridges of the grooves, known in themselves, comprising a laminating roller 20, an adhesive tank 21 and a gluing roller 22.
- the operating principle of the machine 1 is as follows. Two sheets or sheets of cardboard paper 23 and 24 are introduced into the machine 1.
- the sheet 23 is intended to form the fluted sheet.
- the vacuum created in the lower part of the cylinder 13 then presses the fluted sheet 23 formed against the heating cylinder on an arc of a circle having an apex angle equal to around 180 °.
- the glue is for example based on starch.
- the cover sheet 24 is introduced in the lower part and opposite the machine 1.
- a very strong hydraulic pressure for example 5 kg / cm (linear pressure) ensures a successive contact at 25 (see FIG. 3) between each upper edge of the grooves of the grooved sheet 23 and the cover sheet 24 of smooth paper.
- the adhesive joint is therefore obtained by the combined action of high pressure and temperature in a fraction of a second.
- the sheets are driven by traction, the grooved sheet being driven by the meshing of the grooved cylinders 12 and 13, and the cover sheet being driven by clamping between the central cylinder 13 and the smooth cylinder 18.
- the application of the pressure cylinder 18 on the central grooved cylinder 13 is done discontinuously, from one groove to another, vibrations and a high noise (105 to 110 decibels at high speed) are generated.
- the present invention aims to provide a machine and a method for manufacturing single-sided corrugated cardboard which meets the requirements of practice better than those previously known, in particular in that it makes it possible to practically eliminate paper cuts at resonant speeds ' and / or at high speed, that is to say for example greater than 300 m / min, and in that it makes it possible to obtain excellent bonding, which produces corrugated cardboard of improved performance and this for a low cost. and easy to implement.
- the present invention starts from an entirely new idea consisting in particular of considerably reducing the pressure, or even completely eliminating it, between the grooved cylinder 12 and the smooth cylinder 18 on the contact surface between the sheets, and this contrary to what the prior art taught, by replacing the strong pressure by prolonged heating of the sheets against each other.
- the present invention proposes in particular a machine for manufacturing a single-sided corrugated cardboard sheet by gluing a corrugated sheet of cardboard onto a flat sheet of cardboard, comprising three heating cylinders substantially tangent two by two, with axes parallel, namely a first cylinder, grooved, for preforming the grooved sheet, a second cylinder, grooved, central, associated with means for applying the grooved sheet against its periphery, and a third cylinder, smooth, for feeding of the flat sheet in contact with the grooves of the grooved sheet at the periphery of said second cylinder, and of means for gluing said grooves before said contact, characterized in that it further comprises a fourth heating cylinder, rotary, smooth, d axis parallel to the other cylinders, located downstream of the path of the corrugated cardboard with respect to said other cylinders and arranged to press the corrugated sheet on the second cylinder on an arc corresponding to an angle at the center of a first determined value, and to be itself in
- the first determined value is between around 30 ° and around 80 e ;
- the first value is of the order of 60 e ;
- the second determined value is between around 90 * and around 200 *;
- the second determined value is of the order of 180 °;
- the fourth heating cylinder has the same diameter as the first three heating cylinders;
- the machine further comprises a small smooth cylinder with an axis parallel to the axis of said heating cylinders, located downstream of said cylinders on the path of the corrugated board and below the horizontal plane tangent to the upper generatrix of the fourth cylinder;
- the machine comprises means for adjusting the pressure of the cover sheet on the grooves of the corrugated sheet, below a determined threshold value Po, for example of the order of 3 kg / cm (0 ⁇ Po ⁇ 3 kg / cm);
- the machine comprises means for maintaining the distance between the surfaces of the second and third cylinders, arranged to remove any pressure from the third cylinder on the fluted sheets and covering the corrugated sheet in contact with the second cylinder.
- the invention also provides a manufacturing method using a machine as described above, and more particularly a method of manufacturing a sheet of single-sided corrugated cardboard, from a fluted cardboard sheet and a sheet plane of cardboard, called cover, by gluing one on the other, characterized in that the ridges of the grooves of the corrugated sheet previously glued are kept in contact with the flat sheet on a first zone formed by a first portion surface of a central fluted cylinder, heated, arranged to press said fluted sheet against said first surface portion on an arc corresponding to an angle at the center of a first determined value, and on a second zone formed by a second portion of surface of a smooth, heating, rotating cylinder, situated downstream of the path of the corrugated cardboard relative to the central cylinder, arranged to press said sheet of covering against said second surface portion, on an arc corresponding to an angle at the center of a second determined value.
- the first determined value is between around 30 * and around 80 *;
- the first determined value is around 60 *;
- the second determined value is between around 90 "and around 200 *;
- the second determined value is of the order of 180 °
- the speed of the smooth heating cylinder is adjusted, at a speed of between around 1.02 V and around 1.25 V, advantageously 1.06 V, V being the running speed of the corrugated board trained;
- FIG. 4 shows schematically an embodiment of the improvement that constitutes the invention, in cross section.
- FIG. 5 is a schematic section along V-V of the fourth cylinder of Figure 4.
- the machine according to the embodiment of the invention more particularly described here comprises on the one hand a single-sided machine of the type described with reference to FIG. 2, and on the other hand a fourth cylinder arranged as will be described below with reference to FIG. 4.
- the machine according to the invention comprises a fourth smooth cylinder, heating, of axis 27, parallel to the axes of the previous cylinders and located above these, for example directly after the second cylinder on the path of the sheet of corrugated cardboard.
- This cylinder is similarly heated with steam, for example to reach a cylinder skin temperature of between 160 ° C. and 200 ° C.
- Means (not shown) for adjusting the speed of rotation of the cylinder 26, known in themselves, are provided.
- the ratio of the speeds of the cylinder 26 and of the movement of the cardboard is therefore adjustable to ensure the tension of the cover sheet which is rolled up and in contact with the smooth surface of the cylinder.
- bonding is different from conventional bonding. Instead of making the adhesive joint instantly by the combined action of heat and high pressure, bonding is provided essentially by heat, the pressure being reduced significantly.
- the glue dries in two areas: a first contact zone 28 between the corrugated sheet 23 and the cover sheet 24, where the two sheets are held one against the other on the central corrugated cylinder 13 at a winding angle ⁇ , for example of about 60 e .
- the space between the central grooved cylinder 13 and the smooth, pressing third cylinder 18 is moreover kept at a fixed value by adjustable stops, so that the pressure either zero or weak, for example between 0 and 3 kg / cm, and does not damage the leaves;
- V being the speed of movement of the cardboard
- VI being the external speed of the cylinder 26
- V being the speed of movement of the cardboard
- VI being the external speed of the cylinder 26
- the cylinder 26 has at least with respect to the plane tangent to the point contact 29 with the cylinder 13 part of its surface on the side of said cylinder 13.
- the axis 27 of the cylinder 26 can also be located on the side of the cylinder 13, with respect to the vertical plane passing through the axis 31 of the smooth cylinder 18.
- a small roller 32, smooth and full, known in itself, and suitable for being in contact with the sheet of corrugated cardboard , on the corrugated side is for example provided.
- the axis 35 of the cylinder 32 is located below the axis 27 of the cylinder 26.
- FIG. 5 shows a schematic sectional view along V-V of the cylinder 26.
- It comprises two cylindrical ends 37 and 38 mounted on bearings 39, and a cylindrical body 40, for example made of stainless steel or cast iron, provided with a central recess 41 supplied with steam at 42 by the end 37.
- variable speed motor 44 makes it possible to vary the speed of rotation of the cylinder 26 in a manner known per se, as a function of the voltage sought for corrugated cardboard.
- the smooth surface of the cylinder 26 allows possible slippage, allowing slippage which catches any play. Thanks to the invention, a significant improvement in the characteristic of the single-sided corrugated cardboard produced has been observed.
- an improvement in the resistance to COBB humidity of at least 20% and in the bursting resistance of the cover has been improved by 10 %, compared to a machine like the one in Figure 2.
- a device according to the invention retains the qualities of COBB humidity resistance of the cover paper, without alterations, contrary to what is observed with the devices of the prior art.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Laminated Bodies (AREA)
- Making Paper Articles (AREA)
- Paper (AREA)
- Soil Working Implements (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9308909A FR2708011B1 (en) | 1993-07-20 | 1993-07-20 | Machine and method for manufacturing a sheet of single-sided corrugated cardboard. |
FR9308909 | 1993-07-20 | ||
PCT/FR1994/000896 WO1995003166A1 (en) | 1993-07-20 | 1994-07-18 | Machine and method for making a sheet of single face corrugated cardboard |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0662045A1 true EP0662045A1 (en) | 1995-07-12 |
EP0662045B1 EP0662045B1 (en) | 1999-04-21 |
EP0662045B2 EP0662045B2 (en) | 2002-11-20 |
Family
ID=9449424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94922934A Expired - Lifetime EP0662045B2 (en) | 1993-07-20 | 1994-07-18 | Machine and method for making a sheet of single face corrugated cardboard |
Country Status (21)
Country | Link |
---|---|
US (1) | US5614048A (en) |
EP (1) | EP0662045B2 (en) |
JP (1) | JPH08501740A (en) |
CN (1) | CN1112781A (en) |
AT (1) | ATE179113T1 (en) |
AU (1) | AU690914B2 (en) |
BR (1) | BR9405547A (en) |
CA (1) | CA2144984A1 (en) |
CZ (1) | CZ101695A3 (en) |
DE (2) | DE69418015T3 (en) |
DK (1) | DK0662045T3 (en) |
ES (1) | ES2132418T5 (en) |
FI (1) | FI951229A (en) |
FR (1) | FR2708011B1 (en) |
NO (1) | NO951043L (en) |
NZ (1) | NZ278300A (en) |
PL (1) | PL175160B1 (en) |
TR (1) | TR28247A (en) |
TW (1) | TW290496B (en) |
WO (1) | WO1995003166A1 (en) |
ZA (1) | ZA945270B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2719521B1 (en) * | 1994-05-06 | 1996-07-19 | Otor Sa | Machine and method for manufacturing a single-sided corrugated sheet by gluing under tension. |
DE19506779A1 (en) * | 1995-02-27 | 1996-08-29 | Bhs Corr Masch & Anlagenbau | Method and device for heating a moving web, in particular corrugated cardboard web |
EP0739711B1 (en) * | 1995-04-24 | 1998-12-23 | PETERS MASCHINENFABRIK GmbH | Smooth press for a machine for producing cardboard |
EP0739710B1 (en) * | 1995-04-24 | 1998-11-25 | PETERS MASCHINENFABRIK GmbH | Pressplate for a machine for producing cardboard |
GB2303385A (en) * | 1995-07-14 | 1997-02-19 | Scm Container Mach Ltd | Apparatus for producing corrugated paperboard |
DE19603015A1 (en) * | 1996-01-17 | 1997-07-24 | Europa Carton Ag | Pressure bar |
JPH09300493A (en) * | 1996-05-14 | 1997-11-25 | Isowa Corp | Apparatus for manufacturing single-faced corrugated board |
US5766410A (en) * | 1996-09-10 | 1998-06-16 | Wu; Shiung Kuang | Corrugating machine with an elastic press plate |
US6149751A (en) * | 1996-11-01 | 2000-11-21 | Marquip, Inc. | Low pressure single facer |
US6110095A (en) * | 1997-04-18 | 2000-08-29 | United Container Machinery Inc. | Apparatus for heating corrugated paperboard |
US6050316A (en) * | 1997-04-18 | 2000-04-18 | United Container Machinery, Inc. | Single facer preheater |
US6155320A (en) * | 1997-04-24 | 2000-12-05 | United Container Machinery, Inc. | Method and apparatus for injecting steam at a single facer bonding nip |
JP3517110B2 (en) * | 1998-04-03 | 2004-04-05 | 株式会社イソワ | Single-sided corrugated cardboard manufacturing method and apparatus |
IT1301887B1 (en) * | 1998-07-30 | 2000-07-07 | Ingg Terzaghi & De Castiglione | DEVICE FOR THE PRODUCTION OF CORRUGATED CARDBOARD WITH A SINGLE FACE SIDE |
US6921450B2 (en) * | 2001-10-31 | 2005-07-26 | Marquip, Llc | Soft contact roll for a single facer |
DE10312600A1 (en) * | 2003-03-21 | 2004-10-07 | Bhs Corrugated Maschinen- Und Anlagenbau Gmbh | Corrugated cardboard plant and process for the production of corrugated sheets |
CN114261147A (en) * | 2021-12-31 | 2022-04-01 | 长兴县泗安民丰彩印厂 | Method for producing corrugated paper without indentation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1199508A (en) * | 1914-12-24 | 1916-09-26 | George W Swift Jr | Corrugated paper-board and process of making the same. |
US1186998A (en) * | 1915-09-02 | 1916-06-13 | Samuel M Langston | Machine for making corrugated paper. |
FR1448224A (en) * | 1965-06-18 | 1966-08-05 | Parsons & Whittemore | Device for preparing products in strips with a view to their bonding |
US3811987A (en) * | 1969-02-24 | 1974-05-21 | Cons Paper Ltd | Apparatus for bonding thermoplastic materials and products thereof |
GB1481050A (en) * | 1973-10-30 | 1977-07-27 | Mitsubishi Petrochemical Co | Corrugated cardboard sheet and method for producing the same |
US3981758A (en) * | 1974-11-04 | 1976-09-21 | Koppers Company, Inc. | Process control system for corrugators |
JPS62216730A (en) * | 1986-03-18 | 1987-09-24 | Gunze Ltd | Method and apparatus for thermally contact-bonded lamination |
BR8800608A (en) * | 1987-02-18 | 1988-09-27 | Amcor Ltd | APPARATUS AND METHOD FOR MANUFACTURING CORRUGATED PAPER WITH FACE SINGLE |
JPH0596668A (en) * | 1991-10-11 | 1993-04-20 | Mitsubishi Heavy Ind Ltd | Automatic setting device of single facer |
-
1993
- 1993-07-20 FR FR9308909A patent/FR2708011B1/en not_active Expired - Fee Related
-
1994
- 1994-07-18 JP JP7504972A patent/JPH08501740A/en active Pending
- 1994-07-18 CZ CZ951016A patent/CZ101695A3/en unknown
- 1994-07-18 DE DE69418015T patent/DE69418015T3/en not_active Expired - Lifetime
- 1994-07-18 US US08/403,748 patent/US5614048A/en not_active Expired - Fee Related
- 1994-07-18 ES ES94922934T patent/ES2132418T5/en not_active Expired - Lifetime
- 1994-07-18 NZ NZ278300A patent/NZ278300A/en unknown
- 1994-07-18 DE DE9421377U patent/DE9421377U1/en not_active Expired - Lifetime
- 1994-07-18 PL PL94308126A patent/PL175160B1/en unknown
- 1994-07-18 BR BR9405547-5A patent/BR9405547A/en not_active Application Discontinuation
- 1994-07-18 CN CN94190517A patent/CN1112781A/en active Pending
- 1994-07-18 EP EP94922934A patent/EP0662045B2/en not_active Expired - Lifetime
- 1994-07-18 CA CA002144984A patent/CA2144984A1/en not_active Abandoned
- 1994-07-18 AT AT94922934T patent/ATE179113T1/en not_active IP Right Cessation
- 1994-07-18 WO PCT/FR1994/000896 patent/WO1995003166A1/en not_active Application Discontinuation
- 1994-07-18 DK DK94922934T patent/DK0662045T3/en active
- 1994-07-18 AU AU72665/94A patent/AU690914B2/en not_active Ceased
- 1994-07-19 ZA ZA945270A patent/ZA945270B/en unknown
- 1994-07-20 TR TR00705/94A patent/TR28247A/en unknown
- 1994-09-02 TW TW083108077A patent/TW290496B/zh active
-
1995
- 1995-03-16 FI FI951229A patent/FI951229A/en unknown
- 1995-03-17 NO NO951043A patent/NO951043L/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9503166A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE179113T1 (en) | 1999-05-15 |
TW290496B (en) | 1996-11-11 |
DE9421377U1 (en) | 1995-12-21 |
DE69418015T3 (en) | 2003-05-22 |
NO951043D0 (en) | 1995-03-17 |
DE69418015D1 (en) | 1999-05-27 |
US5614048A (en) | 1997-03-25 |
FR2708011B1 (en) | 1995-10-13 |
CN1112781A (en) | 1995-11-29 |
PL308126A1 (en) | 1995-07-24 |
ES2132418T5 (en) | 2003-03-16 |
AU690914B2 (en) | 1998-05-07 |
NZ278300A (en) | 1996-05-28 |
ZA945270B (en) | 1995-08-08 |
ES2132418T3 (en) | 1999-08-16 |
EP0662045B2 (en) | 2002-11-20 |
FR2708011A1 (en) | 1995-01-27 |
PL175160B1 (en) | 1998-11-30 |
FI951229A0 (en) | 1995-03-16 |
JPH08501740A (en) | 1996-02-27 |
DE69418015T2 (en) | 1999-11-18 |
CA2144984A1 (en) | 1995-02-02 |
EP0662045B1 (en) | 1999-04-21 |
FI951229A (en) | 1995-03-16 |
BR9405547A (en) | 1999-09-08 |
CZ101695A3 (en) | 1995-12-13 |
NO951043L (en) | 1995-05-22 |
WO1995003166A1 (en) | 1995-02-02 |
DK0662045T3 (en) | 1999-11-01 |
TR28247A (en) | 1996-03-28 |
AU7266594A (en) | 1995-02-20 |
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