WO1998030849A1 - Surgelateur pour produits alimentaires en vrac avec systeme de fluidisation et de transfert - Google Patents
Surgelateur pour produits alimentaires en vrac avec systeme de fluidisation et de transfert Download PDFInfo
- Publication number
- WO1998030849A1 WO1998030849A1 PCT/FR1998/000031 FR9800031W WO9830849A1 WO 1998030849 A1 WO1998030849 A1 WO 1998030849A1 FR 9800031 W FR9800031 W FR 9800031W WO 9830849 A1 WO9830849 A1 WO 9830849A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- ramps
- air
- products
- freezer according
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
- A23L3/361—Freezing; Subsequent thawing; Cooling the materials being transported through or in the apparatus, with or without shaping, e.g. in form of powder, granules, or flakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
- F25D13/06—Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space
- F25D13/067—Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space with circulation of gaseous cooling fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
- F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
- F28C3/16—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material forming a bed, e.g. fluidised, on vibratory sieves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
- F25D2317/0661—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the bottom
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/30—Quick freezing
Definitions
- the present invention relates to a deep freezer for bulk food products equipped with a fluidization and transfer system for said products. More specifically, it relates to a deep freezer which does not have an air permeable conveyor belt under which a series of fans supply cold air. Freezers with breathable conveyor belts are well known. Thus, for example, a document of this type describes in document FR-B-2 699 793 in the name of the applicant.
- the mechanical means for transferring food consist, for example, of a single perforated belt, with stainless steel or plastic mesh, or even double belts of stainless steel or polyvinyl chloride. Vibrating perforated troughs, vibrating troughs associated with one or more carpets or even single-use plastic strips / films deposited on conventional supports are also used.
- the effective conventional drying means are provided by centrifugal fans which generate a breath of air at medium pressure and high flow or, high pressure and low flow. In all cases, these drying means drive an energy consumption (about 5 kW per carpet) and a significant noise nuisance.
- the document EP-A-0224289 (GRASSO'S LONINKLIJKE) relates to an apparatus for freezing pieces of solid food such as fragments of cauliflowers, onions, leeks, etc.
- This apparatus comprises an elongated box provided at one end with a cooled gas inlet.
- the upper wall of the box is perforated and permeable to cold gas.
- the bottom wall of the box is oblique and has a freely rotating valve. Depending on the position of this valve, the flow of cold gas is deflected, so that there is a kind of pulsation of the gas above the wall which freezes and gradually displaces the pieces of food.
- the present invention aims in particular to overcome these drawbacks. More specifically, it aims to provide a deep freezer without a conveyor belt which not only ensures the freezing of food, but also their fluidization and their transfer, that is to say their movement along the deep freezer, this is particularly regular and without creating undesirable agglomerates.
- the invention also aims to propose a freezer having fewer wasted spaces than the freezers of the state of the art, the internal cleaning of which is reduced and facilitated and which makes it possible to adapt without problems. to new safety standards.
- This freezer is remarkable in that at least part of said blowing means or additional means diffuses air jets directed towards the plate and driven in a periodic oscillating movement, in a generally longitudinal direction relative to said plate .
- part of the blowing means diffuse jets of refrigerated air, which are driven by a periodic oscillating movement, or that additional means diffuse such jets.
- the air can be refrigerated to assist in freezing.
- it may not be refrigerated or not refrigerated enough to help.
- blowing means consist of ramps pierced with air diffusion orifices
- each of said ramps is connected to a blower
- the freezer includes means for driving all of the ramps according to said oscillating movement;
- the amplitude of oscillation ( ⁇ ) of said jets is of the order of 90 ° ⁇ 30 °;
- - Said plate is formed of a series of juxtaposed rods of isosceles triangular section, the base of which forms a bearing face for food products.
- FIG. 1 is a very schematic view in longitudinal section of the freezer of the invention
- FIG. 2 is also a schematic view of the freezer of Figure 1, along a transverse section plane;
- FIG. 3 is a perspective diagram showing the arrangement of the cold air projection ramps arranged below the perforated support plate of the food to be frozen;
- FIG. 4 is a perspective view of two ramp sections, pierced with openings according to two different embodiments
- - Figure 5 is a cross-sectional view of a ramp and the support plate, as well as means for imparting to the latter an oscillatory movement;
- - Figures 6 and 7 are cross-sectional views of a portion of the support plate used in the context of the invention, respectively without and with air blowing;
- FIG. 8 is a diagram showing a ramp in cross section and intended to explain the effect of the movement of the ramp on the movement of food;
- FIG. 9 is a diagram showing the impact of the adjustment of the oscillatory movement of the ramps on the direction of the air jets.
- the device 1 shown in Figures 1 and 2 is a deep freezer for bulk food products. It includes an insulated thermal enclosure delimited by longitudinal walls 18 and 19, transverse walls 10 and 11, a ceiling 12 and a sloping floor 13.
- the transverse walls 10 and 11 are each pierced with an opening 14, respectively 15, for the entry and exit of the food P.
- the openings 14 and 15 each have a ramp inclined relative to the horizontal .
- an elongated plate 2 for supporting and transferring the products P.
- This plate has, seen from above, a rectangular shape and extends from the wall 10 to the wall 11.
- the total length of the enclosure has been designated by the reference 1 and the thickness of the walls 10 and 11 by e.
- the length of the plate 2 is equal to 1 - 2e, which means that the entire useful length of the enclosure is used to freeze food products.
- Plate 2 is openwork and breathable. We will return more precisely to a preferred structure of this plate, later in the description.
- Fans 4 are provided in the lower part of the enclosure, six in number in FIG. 1. These are, for example, Woods type fans of 9 kilowatts each delivering 33,333 m 3 / h. They can be fitted with a frequency converter, for example of the DANFOSS brand, which allows a variation in flow rate of around 5 to 110% of their nominal capacity to be obtained.
- They are preferably of the helical type to allow the maintenance of good yields at low speed.
- the fans produce a flow of air which passes through an evaporator (not shown) and which cools it to a temperature of approximately -30 ° C.
- the evaporator has for example a power of 360,000 Watt for an air inlet / outlet temperature of
- Battery surface is 1,905 m 2 and the supply of this battery, which operates with ammonia, is provided by a pump.
- pulsating turbines 3 preferably with variable flow rate (not shown in FIG. 1) which have the function of ensuring ventilation for fluidization and transfer of P products during deep freezing. They also contribute, to a certain extent, to the freezing of products P. In a way, they complement the freezing action of the fans 4.
- turbines are for example of the brand AIR PROCESS INDUSTRIE, reference EU.502, of power equal to 9kW and delivering a maximum air flow of
- Each turbine 3 communicates with a ramp 30 for diffusing air jets, the structure of which we describe precisely.
- the pulsating turbines 3 are arranged transversely with respect to the plate 2. Each of them is connected to a ramp 30 in the form of a pipe of circular section. A tip 31 of the turbine 3 is fitted into the open end of the ramp, with the possibility of pivoting of the ramp relative to the tip.
- the ramps 30 are provided with nozzles 31 for diffusing air jets J. In that of FIG. 5, the ramps are simply pierced with openings 32 for diffusing jets of air. air.
- the jets are directed towards the plate 2.
- the jets preferably have a diameter of between 6 and 10 mm.
- Figure 4 are shown two possible embodiments of the openings 32, namely elongated slots and holes of circular outline. These openings are respectively capable of diffusing jets in the form of bands and nets.
- the plate 2 is equipped on its upper face with lateral guides 20, while its lower face receives fixing parts 22 for rings 33 for guiding rotation of the ramp 3, in which it is fitted.
- These rings are for example made of a synthetic material such as that known under the name TECHNYL.
- the end of the ramps opposite the turbines 3 is closed by a plug 60 which is made in one piece with a notched pinion 6 made of plastic.
- the set of pinions cooperates with a rack 7 which extends horizontally and perpendicular to the ramps 3. In other words, it extends parallel to the longitudinal axis of the plate 2. It is moved in translation by means not shown such as a gear motor.
- a part 70 acts as a rail and provides translational guidance for the rack.
- the jets J are therefore distributed longitudinally with respect to the large dimension of the plate and in an alternating movement. If necessary, the drive means (pinions 6 and racks 7) are arranged outside the freezer for easier maintenance.
- the plate 2 is of the type shown in FIGS. 6 and 7, that is to say formed from a series of longitudinal and juxtaposed metal rods 21, held together for example by welding.
- Each rod assumes in section the shape of an isosceles triangle, the point 211 of which faces downwards, while the base 210 constitutes a bearing face for food products P.
- the spacing between the rods 21 must be chosen so as not to allow food fragments to pass between them.
- the space E between these rods is sufficient to ensure the passage of cold air, as shown in FIG. 7 where the air flow is symbolized by the arrows A.
- FIG. 7 where the air flow is symbolized by the arrows A.
- Reference ⁇ is given in FIG. 91 'angle of oscillation of the ramps. This is of the order of 45 ° on either side of a median position, with an adjustable amplitude of the order of 30 °. As this figure shows, the middle position (represented by the arrow k) is not necessarily vertical.
- the jets Due to the mobile and pivoting nature of the jets emitted by the ramps, the products P are lifted and moved while being frozen. In addition, the jets also have the function of deagglomerating the "packages" of ice and food that come to form.
- the jets can be offset transversely to "treat" the entire surface of the plate 2 as well as possible.
- the amplitude and the speed of pivoting (or oscillation rate) can be adjusted according to the nature of the products.
- Each ramp can be rotated separately, which makes it possible to obtain cross-jets in the product layer, thereby improving the decompaction efficiency of these products, especially when it is hardwood (leeks, spinach, etc.).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nutrition Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98902048A EP0965022A1 (fr) | 1997-01-09 | 1998-01-09 | Surgelateur pour produits alimentaires en vrac avec systeme de fluidisation et de transfert |
AU58698/98A AU5869898A (en) | 1997-01-09 | 1998-01-09 | Quick freezer for food products in bulk with fluidisation and transfer system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9700352A FR2758181B1 (fr) | 1997-01-09 | 1997-01-09 | Surgelateur pour produits alimentaires en vrac avec systeme de fluidisation et de transfert |
FR97/00352 | 1997-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998030849A1 true WO1998030849A1 (fr) | 1998-07-16 |
Family
ID=9502617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/000031 WO1998030849A1 (fr) | 1997-01-09 | 1998-01-09 | Surgelateur pour produits alimentaires en vrac avec systeme de fluidisation et de transfert |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0965022A1 (fr) |
AU (1) | AU5869898A (fr) |
FR (1) | FR2758181B1 (fr) |
WO (1) | WO1998030849A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4201936B2 (ja) * | 1999-09-30 | 2008-12-24 | 株式会社前川製作所 | 低温脆性を利用した二元冷凍低温破砕システム |
WO2006126870A1 (fr) * | 2005-05-26 | 2006-11-30 | Gti Koudetechniek B.V. | Appareil et procede destines a traiter des produits alimentaires, unite de sechage et/ou refroidissement et produit alimentaire traite |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR975566A (fr) * | 1942-02-21 | 1951-03-07 | Anciens Ets Brissonneau & Lotz | Perfectionnements aux appareils de chauffage ou de refroidissement des produits alimentaires |
FR1206138A (fr) * | 1958-05-10 | 1960-02-08 | Procédé d'échange thermique | |
FR1288835A (fr) * | 1961-02-14 | 1962-03-30 | Procédé d'échange de chaleur par surface entre fluides d'une part et matières granuleuses ou pulvérulentes d'autre part | |
GB963641A (en) * | 1960-02-15 | 1964-07-15 | Chain Belt Co | Improvements in vibrating fluidized systems for conveying or treating solid materials |
US3169381A (en) * | 1964-04-13 | 1965-02-16 | Frigoscandia Ltd | Fluidized freezer |
US4100760A (en) * | 1973-07-30 | 1978-07-18 | Cheney Paul L | Fluid suspension freezer and method |
FR2584175A1 (fr) * | 1985-06-28 | 1987-01-02 | Smidth & Co As F L | Procede et refroidisseur fixe pour refroidir une matiere granulaire |
EP0224289A1 (fr) | 1985-11-04 | 1987-06-03 | Grasso's Koninklijke Machinefabrieken N.V. | Dispositif fluidisé pour congélation de pièces d'aliment solide sous forme de particules |
FR2699793A1 (fr) * | 1992-12-28 | 1994-07-01 | Freeze Agro Ingenierie | Surgélateur pour produits alimentaires en vrac. |
-
1997
- 1997-01-09 FR FR9700352A patent/FR2758181B1/fr not_active Expired - Fee Related
-
1998
- 1998-01-09 WO PCT/FR1998/000031 patent/WO1998030849A1/fr not_active Application Discontinuation
- 1998-01-09 AU AU58698/98A patent/AU5869898A/en not_active Abandoned
- 1998-01-09 EP EP98902048A patent/EP0965022A1/fr not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR975566A (fr) * | 1942-02-21 | 1951-03-07 | Anciens Ets Brissonneau & Lotz | Perfectionnements aux appareils de chauffage ou de refroidissement des produits alimentaires |
FR1206138A (fr) * | 1958-05-10 | 1960-02-08 | Procédé d'échange thermique | |
GB963641A (en) * | 1960-02-15 | 1964-07-15 | Chain Belt Co | Improvements in vibrating fluidized systems for conveying or treating solid materials |
FR1288835A (fr) * | 1961-02-14 | 1962-03-30 | Procédé d'échange de chaleur par surface entre fluides d'une part et matières granuleuses ou pulvérulentes d'autre part | |
US3169381A (en) * | 1964-04-13 | 1965-02-16 | Frigoscandia Ltd | Fluidized freezer |
US4100760A (en) * | 1973-07-30 | 1978-07-18 | Cheney Paul L | Fluid suspension freezer and method |
FR2584175A1 (fr) * | 1985-06-28 | 1987-01-02 | Smidth & Co As F L | Procede et refroidisseur fixe pour refroidir une matiere granulaire |
EP0224289A1 (fr) | 1985-11-04 | 1987-06-03 | Grasso's Koninklijke Machinefabrieken N.V. | Dispositif fluidisé pour congélation de pièces d'aliment solide sous forme de particules |
FR2699793A1 (fr) * | 1992-12-28 | 1994-07-01 | Freeze Agro Ingenierie | Surgélateur pour produits alimentaires en vrac. |
FR2699793B1 (fr) | 1992-12-28 | 1995-03-17 | Freeze Agro Ingenierie | Surgélateur pour produits alimentaires en vrac. |
Also Published As
Publication number | Publication date |
---|---|
FR2758181A1 (fr) | 1998-07-10 |
AU5869898A (en) | 1998-08-03 |
EP0965022A1 (fr) | 1999-12-22 |
FR2758181B1 (fr) | 1999-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0628254B1 (fr) | Procédé et appareil de fabrication d'articles de confiserie glacée | |
BE1008522A6 (fr) | Procede de refroidissement et de calibrage d'objets oblongs en matiere synthetique et dispositif de refroidissement et de calibrage pour la mise en oeuvre du procede. | |
CA2162203C (fr) | Four a cuisson continue de produits de boulangerie, viennoiserie, patisserie et analogues | |
EP0250318B1 (fr) | Procédé et tunnel de refroidissement | |
EP0069688B1 (fr) | Procédé de surgélation et de conditionnement de produits individuels, et dispositif pour la mise en oeuvre de ce procédé | |
LU86957A1 (fr) | Equipement pour l'application d'email sous forme granulaire sur des carreaux a haute temperature | |
CA1298475C (fr) | Procede et tunnel de refroidissement superficiel de produits alimentaires | |
WO1998030849A1 (fr) | Surgelateur pour produits alimentaires en vrac avec systeme de fluidisation et de transfert | |
CA1203695A (fr) | Dispositif et procede de refroidissement de produits en vrac | |
WO2009053579A2 (fr) | Etalage d'exposition de produits alimentaires, notamment pour surfaces de vente | |
FR2721178A1 (fr) | Dispositif de lavage en continu de produits, notamment de végétaux. | |
CH428547A (fr) | Appareil pour orienter des articles | |
WO2000014461A1 (fr) | Procede de refroidissement en continu de produits et dispositif de refroidissement correspondant | |
FR2871343A1 (fr) | Dispositif de traitement de produits alimentaires dans un bain de liquide | |
FR2700758A1 (fr) | Dispositif de nettoyage pour tapis transporteur d'un surgélateur de produits alimentaires en vrac et surgélateur équipé de ce dispositif. | |
EP2763556A1 (fr) | Systeme ameliorant les problemes de givrage dans les tunnels de surgelation par impaction | |
WO2001081843A1 (fr) | Dispositif pour optimiser la surgelation en continu de produits en vrac, individuellement, une installation equipee dudit dispositif et application dudit dispositif | |
EP1213551A1 (fr) | Dispositif et traitement de produits par un gaz et installation comportant un tel dispositif | |
EP1449443B1 (fr) | Dispositif de refroidissement de produits alimentaires, intégrant des moyens de formation d'un flux d'air froid lamellaire | |
FR2698763A1 (fr) | Procédé de traitement thermique de produits alimentaires, notamment de cuisson de légumes, et dispositif pour sa mise en Óoeuvre. | |
WO2013034827A1 (fr) | Systeme d'amelioration de l'equilibrage des gaz froids dans un tunnel de surgelation par la mise en œuvre de zones tampon et de plafonds soufflants exterieurs | |
FR2699793A1 (fr) | Surgélateur pour produits alimentaires en vrac. | |
FR2811745A1 (fr) | Procede de refroidissement en continu de solides divises, et dispositif de mise en oeuvre dudit procede | |
FR2754144A1 (fr) | Four de cuisson modulaire et procede de cuisson d'un produit alimentaire | |
WO2003104734A1 (fr) | Procede de traitement thermique en continu de solides divises, et dispositif de mise en oeuvre dudit procede |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SZ UG ZW AT BE CH DE DK ES FI FR GB GR IE IT LU |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1998902048 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1998902048 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: JP Ref document number: 1998530603 Format of ref document f/p: F |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1998902048 Country of ref document: EP |