CN1201430A - Process for making plastic container with neck - Google Patents
Process for making plastic container with neck Download PDFInfo
- Publication number
- CN1201430A CN1201430A CN96198149.0A CN96198149A CN1201430A CN 1201430 A CN1201430 A CN 1201430A CN 96198149 A CN96198149 A CN 96198149A CN 1201430 A CN1201430 A CN 1201430A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- plug
- unit
- housing
- fin
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003856 thermoforming Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims 5
- 239000004416 thermosoftening plastic Substances 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000013519 translation Methods 0.000 claims 1
- 230000014616 translation Effects 0.000 claims 1
- 239000000047 product Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 241000817702 Acetabula Species 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010096 film blowing Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- -1 on open position Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
- B65D35/02—Body construction
- B65D35/12—Connections between body and closure-receiving bush
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Closures For Containers (AREA)
Abstract
The method of producing a container comprises introducing between parts of sheet material in a peripheral zone of said parts an insert comprised of a tubular wall intended to define an outlet from an interior of a container body to be provided by said parts, and sealing said parts and said insert to each other in said peripheral zone, wherein said introducing is preceded by forming said parts as respective shells; the container comprises a body having an outlet, said container being comprised of first and second semi-rigid shells which provide the body and are sealed together around their peripheries, and an insert which is located and sealed between said shells and which comprises a tubular wall defining said outlet and having a detent extending therearound, at least one of said shells including a corrugation extending around said tubular wall and engaging said detent.
Description
Container of the prior art all has a body that has neck, the connecting device of dress lid is arranged, so the user can cover container again after use on the neck.
Above-described container is disclosed in the following patent literature, for example, and FR-A-1,256,962, CH-A-495,888, BE-A-556,274.
Use along the plastic sheeting of edge heatsealing with the pressurized air thermoforming, container with bigger size, for example capacity is the container of 1 liter, is difficult in neck and forms screwed neck, because the stress that material must bear when making its distortion is too big.
Patent documentation FR-A-2 discloses a kind of bell-shaped bottleneck that is used for sachet in 045,375, and it has a pair of relative on diameter, and the outside fin that protrudes is for the marginal portion of the flexible walls relative to each other of sachet provides the side bearing.Above-mentioned fin provides additional welding material when also carrying out heated sealant in the marginal portion.But, before the marginal portion of corresponding flexible walls, occurred the bell-shaped bottleneck is positioned at difficulty on the longitudinal axis of container in the fin sealing-in.
The present invention addresses this problem like this,, improves the relative container of making along peripheral soldering and sealing shell together of two of existing usefulness that is, and/or its manufacture method.
According to first aspect of the present invention, a kind of method of making container is provided, it comprises: insert a plug-in unit between the neighboring area of two parts membraneous material, this plug-in unit has a circle to form the tubular wall of the outlet of the formed vessel of above-mentioned two parts, then that above-mentioned two parts and plug-in unit are sealed to each other in above-mentioned neighboring area, it is characterized in that, above-mentioned two parts are formed corresponding housing before inserting plug-in unit, carry out.
According to another aspect of the present invention, a kind of container is provided, it comprises a body and a plug-in unit, the inside of above-mentioned body communicates with an outlet of discharging the content of said vesse, said vesse is made up of the first and second semi-rigid housings that form above-mentioned body, and along they peripheric sealing together; Above-mentioned plug-in unit and be sealed between above-mentioned two housings, it comprises that a circle forms above-mentioned outlet and the tubular wall of a lock part of stretching out is arranged around it; It is characterized in that at least one in the above-mentioned housing has around the above-mentioned tubular wall extends, and with above-mentioned lock part ingear ripple.
According to another aspect of the present invention, a kind of container is provided, it comprises a body and a plug-in unit, the inside of above-mentioned body communicates with an outlet of discharging the content in the said vesse, said vesse is made up of the first and second semi-rigid housings that form above-mentioned body, and along the peripheric sealing of two semi-rigid housings together; Above-mentioned plug-in unit and be sealed between above-mentioned two housings, it comprises that a circle forms the tubular wall of above-mentioned outlet and at least one from the laterally outwards outstanding fin of above-mentioned tubular wall; It is characterized in that above-mentioned fin is broach comb shape outwardly, and be sealed between above-mentioned two housings.
According to another aspect of the present invention, a kind of plug-in unit is provided, this plug-in unit comprises that one tubular wall and at least one from the laterally outwards outstanding fin of above-mentioned tubular wall, is characterized in that above-mentioned fin is broach comb shape outwardly.
According to another aspect of the present invention, a kind of preformed container is provided, it is made up of the first and second semi-rigid housings that form vessel, and the main portion along no more than housing periphery is sealed, it is characterized in that, the unencapsulated corresponding part of above-mentioned two housing upper peripheries comprises two grooves relative on diameter, and at least one groove wherein surface is within it gone up lock part of formation.
By means of the present invention, just can improve common thermoformed container and their manufacture method.
Owing to be provided with at least one fin, particularly it has just formed the sealing of the safety of this container when the lock part of the plug-in unit that matches with corresponding ripple with two housings combines.
After the detailed description to embodiment below the reference accompanying drawing has been read, can understand the present invention better.In the accompanying drawing:
Fig. 1 is a block diagram that has the container top of the screw top of having turned on;
Fig. 2 is a block diagram that has the plug-in unit of the screw top of having turned on;
Fig. 3 is the block diagram after the disconnection of a preform container, and this preform container is formed by the hot formed housing of the corresponding film blowing of a pair of usefulness, and two housings are only along the peripheral weld together of a part;
Fig. 4 is the lateral plan of the plug-in unit among Fig. 2;
Fig. 5 is the part sectional view of Fig. 4;
Fig. 6 be along the amplification of the VI-VI line among Fig. 4 cross-sectional view;
Fig. 7 is the skiagraph of a plug-in unit, and the lid of the close-fitting that can slide vertically is housed on this plug-in unit, and a pair of fin with comb form is arranged;
Fig. 8 is the block diagram along its edge leak free preform container, is used for holding the plug-in unit of the comb shape of Fig. 7;
Fig. 9 is the scheme drawing of a blowing hot former, and it has an insertion station in the opening that plug-in unit is inserted the preform container filled;
Figure 10 is the schematic cross-sectional view along the X-X line among Fig. 9.
A pair of relatively and formed the body of container with the housing 1 that heatsealing joint 2 couples together along the edge, it has a neck 3, this neck has protrusion outside and have the tubular insert 4 of screw thread 5 in the outer end, and screw thread 5 can be connected with the hollow cap 6 that has negative thread.Above-mentioned plug-in unit 4 is made by a tubular body 7 (Fig. 2), and an axially extending bore 8 is arranged in this tubular body, has formed to allow product flow out or the interior runner of inflow container.Protrude a pair of fin or fin 9 from the outside face of tubular body 7 at one on the axial plane of diameter, this is fixed between the heat-sealing mouth 2 corresponding neighboring area 2a of neck 3 fin.
The outer groove 10 of a periphery is arranged on the tubular body 7, and the material pressurization of the base of formation neck 3 or the housing 1 of centre portion is bonded in this groove.This groove is set prevents longitudinal axis work linear move of plug-in unit along neck.
See also Fig. 3, the welded joint 2 that obtains owing to blowing heat forming technology process disconnects basically with on the cooresponding horizontal line A in the inner (or bottom) of neck 3, make above-mentioned two housings form a pair of blade 1a adjacent to each other, the fin 9 of above-mentioned plug-in unit 4 can be inserted in the centre of this a pair of blade.
Must in that part of groove 10 contact, have on each blade for the plug-in unit axial location use to projecting inward annular protrusion 11, this one annular protrusion also with groove 10 collaborative works, when hot weld extends to the 2a part, make sealing more reliably and safety.
As shown in Figure 4, in the bottom of threaded portion 5, a circle outer annular protrusion 12 is arranged on plug-in unit 4, when covering 6 when screwing on, it constitutes a circle positive stop.As shown in Figure 7, at an end of above-mentioned plug-in unit 4, a pair of relative comb shape fin 9a is arranged, each is formed this a pair of fin by thin and soft tooth 13.A slidable lid 14 is arranged on the other end of plug-in unit 4, it can slide between detent position and open position, (is shown in Fig. 7) on detent position, and it closes the passage 15 of product, on open position, product can be by means of being pressed through hole 16 and passage 15 flows out from container.Lid 14 mobile between open position and detent position is hand-operated.On lid, be provided with guide piece, that is, be engaged in the axial notch of plug-in unit 4 to projecting inward small embossment 17.
As shown in Figure 8, the plug-in unit 4 in energy acceptance pattern 7, particularly the container of its comb shape fin 9a is made with the blowing method for hot forming, so that form two relative housings, its peripheral profile seals with a heatsealing joint 2, simultaneously, has also formed the neck 3 of said vesse.Plug-in unit 4 is pressed in the opening 19 of neck 3 vertically; Therefore, flexible broach K/UP, the institute of having filled up fully between housing and the plug-in unit is gapped.
As shown in Figure 9, a blowing hot former has successively: forming station 20, on this station, make the housing of two relative preform containers 21 at least with the thermoforming processing method with the material of a thermoformable; At least one can station 22 is filled preformed container 21 with liquid product on this station, and is provided with insertion device 23, so that plug-in unit 4 is inserted in the corresponding neck 3 of the preform container 21 of having filled product.
After plug-in unit 4 inserts, with sealing arrangement plug seal in neck.
If be threaded end 5 on the plug-in unit 4, then the position that tubular body 7 is inserted the insertion device 23 in the neck can be located at before the can station 22, this moment, product did not pour in the preform container 21 as yet, screw capping device (not shown) then is arranged on after the can station 22, is used for lid 6 is screwed in the thread head 5 of plug-in unit 4.
As shown in figure 10, above-mentioned insertion device 23 has fixing device 24 (expression is shown in an open position among the figure), it is used for plug-in unit 4 of clamping above preformed container 21 open top, above-mentioned fixing device can be along axis Z in movement in vertical direction, be used for plug-in unit 4 is inserted above-mentioned open top, unclamp the plug-in unit that enters in the opening then, return its initial position again, so that the next plug-in unit of clamping.
Above-mentioned preformed container 21 remains on its preposition, makes its opening aligned perpendicular axis Z with spotting device 25.Above-mentioned spotting device comprises a pair of Acetabula device 25 that can move along vertical with axis Z basically direction.
As shown in Figure 2, preformed container also may have the not blade 1a of welding, so above-mentioned Acetabula device 25 can act on two relative blade 1a of above-mentioned preformed container, so that these two blades are diverged be suitable for the degree that allows the groove 10 of plug-in unit 4 be meshed with corresponding lock part 11 on the housing.
When use had the plug-in unit 4 of comb shape fin 9a, above-mentioned spotting device 25 was just clamped the neck of preformed container, so that it is aimed at axis Z, but, do not allow two housings that form container diverge again.
Plug-in unit 4 is stored in the tubulose storage device 26, and by the feeder (not shown) plug-in unit is sent in the storage device, and the result just has a pile plug-in unit 4 to exist in the above-mentioned tubulose storage device, until its lower end of opening wide.In this lower end of opening wide, beneath plug-in unit 4 rests on the feedway 27, so that this plug-in unit is transported to an operating position on axis Z from a midway location of aiming at the open end of above-mentioned tubulose storage device.On this operating position, above-mentioned fixing device 24 in the opening 19 that plug-in unit is inserted preformed container before, above-mentioned plug-in unit in clamping.
Claims (18)
1. method of making container, it comprises: insert a plug-in unit (4) between the neighboring area of two parts membraneous material (1), this plug-in unit has a circle to form the tubular wall (7) of the outlet of the formed vessel of above-mentioned two parts (1), then that above-mentioned two parts (1) and plug-in unit (4) are sealed to each other in above-mentioned neighboring area, it is characterized in that, above-mentioned two parts (1) are formed corresponding housing (1) before inserting plug-in unit, carry out.
2. the method for claim 1 is characterized in that, is at least 150 microns thermoplastic film material with a kind of thickness and carries out thermoforming and form above-mentioned housing (1).
3. method as claimed in claim 1 or 2 is characterized in that, before above-mentioned insertion plug-in unit, above-mentioned housing (1) is under the state that its peripheral major part is sealed, and the peripheral unsealing of above-mentioned neighboring area.
4. method as claimed in claim 1 or 2 is characterized in that, before above-mentioned insertion, above-mentioned housing (1) is under the state that its peripheral major part is sealed, and comprises above-mentioned neighboring area.
5. as the described method of any one claim among the claim 1-3, it is characterized in that, above-mentioned housing (1) is resilient in above-mentioned neighboring area, and said method also comprises: before above-mentioned insertion, make above-mentioned housing (1) flare up opening mutually in above-mentioned neighboring area; And after inserting, unclamp housing (1) on the above-mentioned neighboring area, allow above-mentioned housing (1) carry out elastomeric recovery in above-mentioned neighboring area.
6. as the described method of any one claim in the above-mentioned claim, it is characterized in that, it also comprises: after above-mentioned insertion and before the sealing, intermeshed in the corresponding lock part (10,11) that is arranged on above-mentioned plug-in unit (4) and at least one housing (1).
7. dependent claims 6 described methods as claimed in claim 2 is characterized in that, the lock part (11) in the above-mentioned housing (1) is to make with thermo shaping method when the thermoforming of housing (1).
8. as claim 6 or 7 described methods, it is characterized in that in the middle of above-mentioned insertion and leak free, above-mentioned lock part (10,11) limit above-mentioned plug-in unit (4) all motion of translations with respect to above-mentioned housing (1).
9. as the described method of any one claim in the above-mentioned claim, it is characterized in that, in the middle of above-mentioned insertion and leak free, have at least one to limit above-mentioned plug-in unit (4) from above-mentioned tubular wall (7) to the fin that laterally protrudes (9) and rotate with respect to above-mentioned housing (1).
10. method as claimed in claim 1 or 2, it is characterized in that, above-mentioned plug-in unit (4) have at least one from above-mentioned tubular wall (7) to the comb shape fin (9) that laterally protrudes, and, above-mentioned insertion process comprises between the above-mentioned neighboring area that forces above-mentioned plug-in unit (4) to enter above-mentioned housing (1), make that the broach (13) of each fin (9) is crooked backward, and be pressed over the junction of the neighboring area of above-mentioned housing (1).
11. as claim 2 or 8, perhaps be subordinated to the claim 3-6 of claim 2 or the described method of any one claim among the 8-10, it is characterized in that, above-mentioned plug-in unit (4) is made by thermoplastic plastic, and before above-mentioned insertion process, the thermoplastic plastic of above-mentioned junction and above-mentioned fin (9) all passes through thermoplastic.
12. container, it comprises a body (1) and a plug-in unit (4), the inside of above-mentioned body communicates with an outlet (3) of discharging the content of said vesse, said vesse is made up of the first and second semi-rigid housings (1) that form above-mentioned body (1), and along they peripheric sealing together; Above-mentioned plug-in unit (4) is positioned at and is sealed between above-mentioned two housings (1), and it comprises that a circle forms above-mentioned outlet (3) and a tubular wall (7) to its lock part (10) of stretching out is arranged on every side; It is characterized in that at least one in the above-mentioned housing (1) has at above-mentioned tubular wall (7) extends on every side, and with above-mentioned lock part (10) ingear ripple (11).
13. container as claimed in claim 12 is characterized in that, each housing (1) is made by the membraneous material that thickness is at least 150 microns thermoplastic plastic.
14. as claim 12 or 13 described containers, it is characterized in that, above-mentioned plug-in unit (4) have at least one from above-mentioned tubular wall (7) to laterally protruding, and be the fin (9) of comb (9a) shape, its broach (13) is towards the outside, and each fin (9) is sealed between the above-mentioned housing (1).
15. container, it comprises a body (1) and a plug-in unit (4), the inside of above-mentioned body communicates with an outlet (3) of discharging the content in the said vesse, said vesse is made up of the first and second semi-rigid housings (1) that form above-mentioned body (1), and along the peripheric sealing of two semi-rigid housings together; Above-mentioned plug-in unit (4) is positioned at and is sealed between above-mentioned two housings (1), and it comprises that a circle forms tubular wall (7) and at least one fin of laterally outwards giving prominence to from above-mentioned tubular wall (7) (9) of above-mentioned outlet (3); It is characterized in that above-mentioned each fin (9) is broach (13) comb (9a) shape outwardly, and is sealed between above-mentioned two housings (1).
16. a plug-in unit, this plug-in unit comprise one tubular wall (7) and at least one fin of laterally outwards giving prominence to from above-mentioned tubular wall (7) (9), it is characterized in that above-mentioned fin (9) is broach (13) comb (9a) shape outwardly.
17. preformed container, it is made up of the first and second semi-rigid housings (1) that form vessel (1), and the main portion along no more than housing periphery is sealed, it is characterized in that, the unencapsulated corresponding part of above-mentioned two housings (1) upper periphery (1a) comprises two grooves relative on diameter, and at least one groove wherein surface is within it gone up a formation lock part (11).
18. preformed container as claimed in claim 17 is characterized in that, above-mentioned each lock part (11) is formed by the ripple (11) of groove round it.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT95MO000153A IT1279877B1 (en) | 1995-11-07 | 1995-11-07 | CONTAINER AND RELATED MANUFACTURING NETODE |
| ITMO95A000153 | 1995-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1201430A true CN1201430A (en) | 1998-12-09 |
Family
ID=11385957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96198149.0A Pending CN1201430A (en) | 1995-11-07 | 1996-11-07 | Process for making plastic container with neck |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0859723A1 (en) |
| JP (1) | JPH11514616A (en) |
| CN (1) | CN1201430A (en) |
| AU (1) | AU7568596A (en) |
| BR (1) | BR9611314A (en) |
| CA (1) | CA2236026A1 (en) |
| IT (1) | IT1279877B1 (en) |
| MX (1) | MX9803586A (en) |
| WO (1) | WO1997017268A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002026565A2 (en) | 2000-09-28 | 2002-04-04 | Carlo Antonio Camorani | Container |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB928448A (en) * | 1960-01-15 | 1963-06-12 | Emballages Plastiques Soc D | Improvements in or relating to containers |
| IL34311A0 (en) * | 1969-04-26 | 1970-06-17 | Thimonnier & Cie | A mouthpiece for a bag of plastics material |
| DE8900884U1 (en) * | 1989-01-26 | 1989-03-23 | INDAG Gesellschaft für Industriebedarf mbH, 6900 Heidelberg | Stand-up pouch |
| DE4100757A1 (en) * | 1991-01-12 | 1992-08-06 | Colgate Palmolive Co | BLOW MOLDED PLASTIC TUBE |
| ES2132319T3 (en) * | 1994-02-10 | 1999-08-16 | Procter & Gamble | CONTAINER WITH A LIGHTWEIGHT LOCKING SYSTEM. |
| DE29509118U1 (en) * | 1995-06-02 | 1995-08-17 | Georg Menshen GmbH & Co KG, 57413 Finnentrop | Plastic pouring weld-in part for plastic containers |
-
1995
- 1995-11-07 IT IT95MO000153A patent/IT1279877B1/en active IP Right Grant
-
1996
- 1996-11-07 BR BR9611314-6A patent/BR9611314A/en not_active Application Discontinuation
- 1996-11-07 CA CA002236026A patent/CA2236026A1/en not_active Abandoned
- 1996-11-07 WO PCT/EP1996/004900 patent/WO1997017268A1/en not_active Application Discontinuation
- 1996-11-07 EP EP96938159A patent/EP0859723A1/en not_active Withdrawn
- 1996-11-07 CN CN96198149.0A patent/CN1201430A/en active Pending
- 1996-11-07 JP JP9517867A patent/JPH11514616A/en active Pending
- 1996-11-07 AU AU75685/96A patent/AU7568596A/en not_active Abandoned
-
1998
- 1998-05-06 MX MX9803586A patent/MX9803586A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT1279877B1 (en) | 1997-12-18 |
| WO1997017268A1 (en) | 1997-05-15 |
| ITMO950153A1 (en) | 1997-05-07 |
| JPH11514616A (en) | 1999-12-14 |
| MX9803586A (en) | 1998-09-30 |
| CA2236026A1 (en) | 1997-05-15 |
| AU7568596A (en) | 1997-05-29 |
| EP0859723A1 (en) | 1998-08-26 |
| BR9611314A (en) | 2001-09-11 |
| ITMO950153A0 (en) | 1995-11-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |