CA2022804C - Device for cutting fruit, vegetables or the like into slices - Google Patents
Device for cutting fruit, vegetables or the like into slicesInfo
- Publication number
- CA2022804C CA2022804C CA002022804A CA2022804A CA2022804C CA 2022804 C CA2022804 C CA 2022804C CA 002022804 A CA002022804 A CA 002022804A CA 2022804 A CA2022804 A CA 2022804A CA 2022804 C CA2022804 C CA 2022804C
- Authority
- CA
- Canada
- Prior art keywords
- knife
- blades
- cutting
- knife blades
- holding plate
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/28—Splitting layers from work; Mutually separating layers by cutting
- B26D3/283—Household devices therefor
-
- 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
- B26D3/28—Splitting layers from work; Mutually separating layers by cutting
- B26D3/283—Household devices therefor
- B26D2003/285—Household devices therefor cutting one single slice at each stroke
-
- 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
- B26D3/28—Splitting layers from work; Mutually separating layers by cutting
- B26D3/283—Household devices therefor
- B26D2003/286—Household devices therefor having a detachable blade that is removable attached to the support
Landscapes
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Knives (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Food-Manufacturing Devices (AREA)
- Scissors And Nippers (AREA)
- Seasonings (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Manufacturing And Processing Devices For Dough (AREA)
- Nonmetal Cutting Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Device for cutting fruit, vegetables or the like into slices, having a knife-holding plate, on whose front edge a V-shaped cutting knife is arranged, which is com-prised of two knife blades; two frame borders arranged substantially parallel, which are connected together by the knife-holding plate and at least one additional crosspiece;
and a sliding plate guided on the frame border, that can slide parallel to the knife-holding plate, whereby a narrow gap remains between the rear edge of the sliding plate and the cutting knife. In accordance with the invention, the peripheral edge of the knife blades at least in their rear area adjoining the V-shaped point of the cutting knife is held interlocking by injected plastic strips in the form of a horizontal U-profile.
and a sliding plate guided on the frame border, that can slide parallel to the knife-holding plate, whereby a narrow gap remains between the rear edge of the sliding plate and the cutting knife. In accordance with the invention, the peripheral edge of the knife blades at least in their rear area adjoining the V-shaped point of the cutting knife is held interlocking by injected plastic strips in the form of a horizontal U-profile.
Description
DEVICE FOR ~u~ G FRUIT, VEGETABLE8 The invention relates to a device for cutting fruit, vegetables or the like into slices, having a knife-holding plate, on whose front edge a V-shaped cutting knife is arranged, which is comprised of two knife blades; two frame borders arranged substantially parallel, which are connected together by the knife-holding plate and at least one additional crosspiece; and a sliding plate guided on the frame border, that can slide parallel to the knife-holding plate, whereby a narrow gap remains between the rear edge of the sliding plate and the cutting knife.
Such a device is known for example from EP
0 306 017 A2, although the V-shaped cutting blade used in it is of one-piece construction, which has technical disadvantages, particularly for production.
In the drawings which accompany this application, Fig. 1 is a schematic view of a prior art device conforming to the preamble of Claim 1 of the type already distributed by the applicant for some time;
Fig. 2. shows an enlarged view of the correspon-ding arrangement of the knife blades in the device of Fig.
l;
Fig. 3 shows a schematic view of the device in accordance with the invention;
Fig. 4 shows an enlarged view of the arrangement and configuration of the knife blades; and Fig. 5 shows another configuration of the knife blades in accordance with the invention.
The state of the art on which the present inven-tion is based is shown in Figs. 1 and 2. With reference to Fig. 1, known device 1 includes two frame borders 2 which are held together in their rear part by a knife holding plate 4 and in their front part by two crosspieces on the underside of device 1, which are not shown in the illustra-tion. In the front part of device 1 parallel to the knife holding plate a movable sliding plate 8 is arranged, which is guided in a lateral groove in frame border 2 and in locked position is arranged in such a way that between the rear portion of sliding plate 8 and a cutting knife 6, which is fastened on the front edge of knife holding plate 4, a narrow gap remains. Sliding plate 8, on which the product to be cut is guided, also has longitudinal grooves 9 for that purpose.
Fig. 2 provides an enlarged view of the arrange-ment of knife blades 10 and 12 of cutting knife 6 of known device 1. The broken lines each show a profile step 16 of knife blades 10 and 12, whereby the areas lying toward cutting edges 11 and 13 of knife blades 10 and 12 are located above the areas adjoining peripheral edges 14 and 15. These profile steps 16 are normally comprised of chamfers, whereby the areas of the knife blades connected by these chamfers run parallel to each other.
In the known device a V-shaped point 19 of cutting knife 6 is formed because both knife blades 12 and 13 abut flush against each other, and they are mounted in knife holding plate 4 by nesting, plastic nubs protruding through corresponding bore holes 17 in both knife blades 10 and 12. The plastic nubs are manufactured using the injection moulding process.
The known device has disadvantages in that it is very difficult to maintain both knife blades precisely on one cutting level, so that when specific cutting forces are 202280~
exceeded, e.g., when cutting relatively hard objects, lifting of the knife blades is unavoidable. A correspon-ding shift of the two knife blades against each other then continues to increase over time and finally makes the entire device unusable.
The present invention is therefore intended to develop the known device in such a way that reliable mounting of the knife blades is guaranteed, so that the operability and life of the entire device are improved.
In accordance with the invention the aim is achieved in that the peripheral edge of the knife blades, at least in their rear area adjoining the V-shaped point of the cutting knife, is held interlocking by injected plastic strips in the form of a horizontal U-profile. By mounting the knife blades in the knife holding plate in this way, the lifting of the blades, previously unavoidable over time, and the resulting defects in the joint cutting level can reliably be avoided.
In a specific embodiment of the invention the injected plastic strips go completely into the plastic mass of the knife holding plate and simultaneously protrude through the rear area of the knife blades in at least one place. In this regard it is particularly advantageous that in the rear area of each knife blade either at least one separate bore hole is provided or that each has an edge notch, whereby the edge notches after assembly of the knife blades into a cutting knife together have the shape of a single elongated bore hole. The plastic strips thus prevent both spreading of the U-profile and subsequent loosening of the form fit, and also provide an exact securing of the knife blades against a shift in the level of the cutting surface.
.~
A further embodiment of the invention proposes that the knife blades be arranged in such a way that at least one projection of one knife blade lies at least partially beneath the other knife blade, whereby said projection compared with the main part of one knife blade is kinked, beveled, step-shaped or similarly formed. These measures in accordance with the invention also effectively prevent spreading of the knife blades in the area of the knife point, while the corresponding kink, step-shape or bevel of the lower knife blade ensures that the cutting surfaces of the knife blades are actually located exactly on one level and reliably remain there.
The invention also contemplates that the knife blades exhibit a profile having one step, which in the rear area of the knife blades adjoining the knife point is rounded in such a way that when the knife blades abut, a nearly semicircular profile shape results. This specific configuration of the rear area of the knife blades permits particularly secure mounting of them by means of injected plastic strips in the particularly sensitive area of the V-shaped point of the cutting knife, since the entire peripheral edge can be encompassed in an interlocking manner.
The invention therefore provides a generic device, whose knife blades are held particularly securely and firmly in the knife-holding plate and in which even under high mechanical and thermal loads it is ensured that the cutting surfaces of the knife blades reliably remain on one level. Moreover, it should be noted that the injection moulding methods used in accordance with the invention are particularly easy to control, since no core puller is needed for removal from the mould.
,,,~
20228~
Additional advantages and characteristics of the invention are described below with reference to the embodi-ment illustrated in Figs. 3-5.
Fig. 3 shows a similar view to that shown in Fig. 1. A significant difference between the device in accordance with the invention shown in Fig. 3 and the state-of-the-art device shown in Fig. 1 is the different shape of the step profile, which is shown in both illustra-tions by broken lines on the knife blades. In the state-of-the-art device these profile steps run straight from one end of the knife blade to the other. In the device in accordance with the invention each profile ends at a front lateral edge of the knife blade before frame border 2, while on the other end it concludes in a curve, so that when the knife blades are assembled a nearly semi-circular conclusion of the step profiles on the upper end of V-shaped knife 6 results.
The path of these profiles can be seen more clearly in the enlarged view shown in Fig. 4. The profile steps 16 end here shortly before they reach the lateral edges 20 of knife blades 10 and 12, whereby the areas of the knife blades facing cutting edges 11 and 13 lie higher than the areas facing peripheral edge 14, 15. That further reduces the load on the sensitive V-shaped point 19 of knife 6 from sliding forces in the cutting surface, since the front lateral edges 20 of knife blades 10, 12 which are not penetrated by profile steps 16 can henceforth slide freely in the corresponding slots in frame border 2. That enables the occurrence of shearing forces to be reliably avoided during temperature fluctuations, initially during shaping, but also later during cleaning processes using hot water, etc., since due to the profile-free edges 20 thermal compensation during contractions of plastic and metal is possible. The interlocking mounting of knife blades 10 and 12 of cutting knife 6 occurs in the indicated manner at least in the area of V-shaped point 19 of cutting knife 6.
To do so, in this area a projection 18 is provided in left knife blade 12, which compared with the main part of knife blade 12 is kinked, beveled or step-shaped, so that it lies below the section of right knife blade 10 located there.
To improve mounting in this area further at least two bore holes 17 are provided, of which at least one is arranged in each one of the two knife blades 10 and 12. The interlock-ing injected plastic strips overlap at least this area of the knife blades interlocking from both sides and thereby simultaneously protrude through bore holes 17.
As shown in Fig. 5, alternatively in each knife blade 10, 12 edge notches 21, 22 may also be provided, which together assume the shape of a single elongated bore hole, which then can be penetrated by the plastic supports.
The characteristics of the invention revealed in the above description, in the illustrations and in the claims may be essential either individually or in any combination for realization of the invention in its various embodiments.
J
.-
Such a device is known for example from EP
0 306 017 A2, although the V-shaped cutting blade used in it is of one-piece construction, which has technical disadvantages, particularly for production.
In the drawings which accompany this application, Fig. 1 is a schematic view of a prior art device conforming to the preamble of Claim 1 of the type already distributed by the applicant for some time;
Fig. 2. shows an enlarged view of the correspon-ding arrangement of the knife blades in the device of Fig.
l;
Fig. 3 shows a schematic view of the device in accordance with the invention;
Fig. 4 shows an enlarged view of the arrangement and configuration of the knife blades; and Fig. 5 shows another configuration of the knife blades in accordance with the invention.
The state of the art on which the present inven-tion is based is shown in Figs. 1 and 2. With reference to Fig. 1, known device 1 includes two frame borders 2 which are held together in their rear part by a knife holding plate 4 and in their front part by two crosspieces on the underside of device 1, which are not shown in the illustra-tion. In the front part of device 1 parallel to the knife holding plate a movable sliding plate 8 is arranged, which is guided in a lateral groove in frame border 2 and in locked position is arranged in such a way that between the rear portion of sliding plate 8 and a cutting knife 6, which is fastened on the front edge of knife holding plate 4, a narrow gap remains. Sliding plate 8, on which the product to be cut is guided, also has longitudinal grooves 9 for that purpose.
Fig. 2 provides an enlarged view of the arrange-ment of knife blades 10 and 12 of cutting knife 6 of known device 1. The broken lines each show a profile step 16 of knife blades 10 and 12, whereby the areas lying toward cutting edges 11 and 13 of knife blades 10 and 12 are located above the areas adjoining peripheral edges 14 and 15. These profile steps 16 are normally comprised of chamfers, whereby the areas of the knife blades connected by these chamfers run parallel to each other.
In the known device a V-shaped point 19 of cutting knife 6 is formed because both knife blades 12 and 13 abut flush against each other, and they are mounted in knife holding plate 4 by nesting, plastic nubs protruding through corresponding bore holes 17 in both knife blades 10 and 12. The plastic nubs are manufactured using the injection moulding process.
The known device has disadvantages in that it is very difficult to maintain both knife blades precisely on one cutting level, so that when specific cutting forces are 202280~
exceeded, e.g., when cutting relatively hard objects, lifting of the knife blades is unavoidable. A correspon-ding shift of the two knife blades against each other then continues to increase over time and finally makes the entire device unusable.
The present invention is therefore intended to develop the known device in such a way that reliable mounting of the knife blades is guaranteed, so that the operability and life of the entire device are improved.
In accordance with the invention the aim is achieved in that the peripheral edge of the knife blades, at least in their rear area adjoining the V-shaped point of the cutting knife, is held interlocking by injected plastic strips in the form of a horizontal U-profile. By mounting the knife blades in the knife holding plate in this way, the lifting of the blades, previously unavoidable over time, and the resulting defects in the joint cutting level can reliably be avoided.
In a specific embodiment of the invention the injected plastic strips go completely into the plastic mass of the knife holding plate and simultaneously protrude through the rear area of the knife blades in at least one place. In this regard it is particularly advantageous that in the rear area of each knife blade either at least one separate bore hole is provided or that each has an edge notch, whereby the edge notches after assembly of the knife blades into a cutting knife together have the shape of a single elongated bore hole. The plastic strips thus prevent both spreading of the U-profile and subsequent loosening of the form fit, and also provide an exact securing of the knife blades against a shift in the level of the cutting surface.
.~
A further embodiment of the invention proposes that the knife blades be arranged in such a way that at least one projection of one knife blade lies at least partially beneath the other knife blade, whereby said projection compared with the main part of one knife blade is kinked, beveled, step-shaped or similarly formed. These measures in accordance with the invention also effectively prevent spreading of the knife blades in the area of the knife point, while the corresponding kink, step-shape or bevel of the lower knife blade ensures that the cutting surfaces of the knife blades are actually located exactly on one level and reliably remain there.
The invention also contemplates that the knife blades exhibit a profile having one step, which in the rear area of the knife blades adjoining the knife point is rounded in such a way that when the knife blades abut, a nearly semicircular profile shape results. This specific configuration of the rear area of the knife blades permits particularly secure mounting of them by means of injected plastic strips in the particularly sensitive area of the V-shaped point of the cutting knife, since the entire peripheral edge can be encompassed in an interlocking manner.
The invention therefore provides a generic device, whose knife blades are held particularly securely and firmly in the knife-holding plate and in which even under high mechanical and thermal loads it is ensured that the cutting surfaces of the knife blades reliably remain on one level. Moreover, it should be noted that the injection moulding methods used in accordance with the invention are particularly easy to control, since no core puller is needed for removal from the mould.
,,,~
20228~
Additional advantages and characteristics of the invention are described below with reference to the embodi-ment illustrated in Figs. 3-5.
Fig. 3 shows a similar view to that shown in Fig. 1. A significant difference between the device in accordance with the invention shown in Fig. 3 and the state-of-the-art device shown in Fig. 1 is the different shape of the step profile, which is shown in both illustra-tions by broken lines on the knife blades. In the state-of-the-art device these profile steps run straight from one end of the knife blade to the other. In the device in accordance with the invention each profile ends at a front lateral edge of the knife blade before frame border 2, while on the other end it concludes in a curve, so that when the knife blades are assembled a nearly semi-circular conclusion of the step profiles on the upper end of V-shaped knife 6 results.
The path of these profiles can be seen more clearly in the enlarged view shown in Fig. 4. The profile steps 16 end here shortly before they reach the lateral edges 20 of knife blades 10 and 12, whereby the areas of the knife blades facing cutting edges 11 and 13 lie higher than the areas facing peripheral edge 14, 15. That further reduces the load on the sensitive V-shaped point 19 of knife 6 from sliding forces in the cutting surface, since the front lateral edges 20 of knife blades 10, 12 which are not penetrated by profile steps 16 can henceforth slide freely in the corresponding slots in frame border 2. That enables the occurrence of shearing forces to be reliably avoided during temperature fluctuations, initially during shaping, but also later during cleaning processes using hot water, etc., since due to the profile-free edges 20 thermal compensation during contractions of plastic and metal is possible. The interlocking mounting of knife blades 10 and 12 of cutting knife 6 occurs in the indicated manner at least in the area of V-shaped point 19 of cutting knife 6.
To do so, in this area a projection 18 is provided in left knife blade 12, which compared with the main part of knife blade 12 is kinked, beveled or step-shaped, so that it lies below the section of right knife blade 10 located there.
To improve mounting in this area further at least two bore holes 17 are provided, of which at least one is arranged in each one of the two knife blades 10 and 12. The interlock-ing injected plastic strips overlap at least this area of the knife blades interlocking from both sides and thereby simultaneously protrude through bore holes 17.
As shown in Fig. 5, alternatively in each knife blade 10, 12 edge notches 21, 22 may also be provided, which together assume the shape of a single elongated bore hole, which then can be penetrated by the plastic supports.
The characteristics of the invention revealed in the above description, in the illustrations and in the claims may be essential either individually or in any combination for realization of the invention in its various embodiments.
J
.-
Claims (6)
1. Device for cutting fruit, vegetables or the like into slices, having a knife-holding plate (4), on whose front edge a V-shaped cutting knife is arranged, which comprises two knife blades; two frame borders ar-ranged substantially parallel, which are connected together by the knife-holding plate and at least one additional crosspiece; and a sliding plate guided on the frame border, that can slide parallel to the knife-holding plate (4), whereby a narrow gap remains between the rear edge of the sliding plate and the cutting knife, wherein the peripheral edge (14, 15) of the knife blades (10, 12) at least in their rear area adjoining the V-shaped point (19) of the cutting knife (6) is held interlocking by injected plastic strips in the form of a horizontal U-profile which merge completely into the plastic mass of said knife-holding plate (4).
2. Device in accordance with claim 1, wherein said injected plastic strips simultaneously protrude through the rear area of the knife blades (10, 12) in at least one location.
3. Device in accordance with claim 2, wherein in the rear area of each knife blade (10, 12) at least one separate bore hole (17) is provided.
4. Device in accordance with claim 2, wherein in the rear area of each knife blade (10, 12) each is provided with an edge notch (21, 22), whereby the edge notches after assembly of the knife blades into a cutting knife (6) together have the shape of a single elongated bore hole.
5. Device in accordance with claim 1, 2, 3 or 4, wherein the knife blades (10, 12) are arranged in such a way that at least one extension (18) of one knife blade (12) lies at least partially beneath the other knife blade (10), whereby said projection (18) compared with the main part of one knife blade (12) is kinked, beveled, step-shaped or similarly shaped.
6. Device in accordance with claim 1, 2, 3 or 4, wherein the knife blades (10, 12) have a profile with one step (16), which in the rear area of the knife blades (10, 12) adjoining the knife point (19) is rounded in such a way that when the knife blades (10, 12) abut, a nearly semicircular profile shape results.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3926014A DE3926014A1 (en) | 1989-08-05 | 1989-08-05 | APPARATUS FOR SLICING FRUIT, VEGETABLES OR THE LIKE |
| DEP3926014.3-26 | 1989-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2022804A1 CA2022804A1 (en) | 1991-02-06 |
| CA2022804C true CA2022804C (en) | 1996-05-14 |
Family
ID=6386625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002022804A Expired - Fee Related CA2022804C (en) | 1989-08-05 | 1990-08-07 | Device for cutting fruit, vegetables or the like into slices |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0412488B1 (en) |
| JP (1) | JPH0818268B2 (en) |
| AT (1) | ATE109390T1 (en) |
| AU (1) | AU631446B2 (en) |
| CA (1) | CA2022804C (en) |
| CS (1) | CS277641B6 (en) |
| DD (1) | DD297106A5 (en) |
| DE (2) | DE3926014A1 (en) |
| DK (1) | DK0412488T3 (en) |
| ES (1) | ES2057293T3 (en) |
| HU (1) | HU214264B (en) |
| PL (1) | PL164089B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992022692A2 (en) | 1991-06-04 | 1992-12-23 | Schubert & Salzer Maschinenfabrik Ag | Process and device for correcting the moment and intensity of regulation |
| DE10057835A1 (en) * | 2000-11-22 | 2002-08-01 | Lurch Gmbh & Co Kg | Device for cutting food e.g. fruit and cheese has two blade assemblies extending across closed constant curved path on which food is moved to produce intersecting slices |
| CN103521810A (en) * | 2012-07-06 | 2014-01-22 | 哈尔滨飞机工业集团有限责任公司 | Tool and method for hole drilling in sealed structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR63818B (en) * | 1976-03-20 | 1979-12-19 | A Boerner | For home use apparatus for cutting patatoes,regetables and similar in fine slices |
| GB1586848A (en) * | 1978-05-30 | 1981-03-25 | Boerner A | Apparatus for cutting foodstuffs |
| DE3022021C2 (en) * | 1980-06-12 | 1984-09-27 | Alfred 5561 Landscheid Börner | Kitchen device for cutting fruit, vegetables or the like. in stripes |
| ATE18366T1 (en) * | 1982-09-27 | 1986-03-15 | Leifheit Ag | KITCHEN APPLIANCE FOR SLICING FOOD. |
| DE3729159C1 (en) * | 1987-09-01 | 1989-03-23 | Guenther Baalcke | Device for cutting fruit, vegetables or the like into slices |
-
1989
- 1989-08-05 DE DE3926014A patent/DE3926014A1/en active Granted
-
1990
- 1990-08-03 HU HU904891A patent/HU214264B/en not_active IP Right Cessation
- 1990-08-03 DD DD90343248A patent/DD297106A5/en not_active IP Right Cessation
- 1990-08-06 DE DE59006675T patent/DE59006675D1/en not_active Expired - Fee Related
- 1990-08-06 CS CS903878A patent/CS277641B6/en unknown
- 1990-08-06 AU AU60218/90A patent/AU631446B2/en not_active Ceased
- 1990-08-06 EP EP90115108A patent/EP0412488B1/en not_active Expired - Lifetime
- 1990-08-06 JP JP2206929A patent/JPH0818268B2/en not_active Expired - Lifetime
- 1990-08-06 ES ES90115108T patent/ES2057293T3/en not_active Expired - Lifetime
- 1990-08-06 PL PL90286375A patent/PL164089B1/en unknown
- 1990-08-06 DK DK90115108.4T patent/DK0412488T3/en active
- 1990-08-06 AT AT90115108T patent/ATE109390T1/en active
- 1990-08-07 CA CA002022804A patent/CA2022804C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DD297106A5 (en) | 1992-01-02 |
| AU6021890A (en) | 1991-02-07 |
| HU214264B (en) | 1998-03-02 |
| CA2022804A1 (en) | 1991-02-06 |
| CS277641B6 (en) | 1993-03-17 |
| PL286375A1 (en) | 1991-04-08 |
| JPH0818268B2 (en) | 1996-02-28 |
| DE59006675D1 (en) | 1994-09-08 |
| EP0412488A3 (en) | 1991-10-02 |
| ATE109390T1 (en) | 1994-08-15 |
| DE3926014A1 (en) | 1991-02-07 |
| ES2057293T3 (en) | 1994-10-16 |
| EP0412488A2 (en) | 1991-02-13 |
| JPH03142196A (en) | 1991-06-17 |
| CS387890A3 (en) | 1992-01-15 |
| DE3926014C2 (en) | 1992-08-13 |
| HU904891D0 (en) | 1991-01-28 |
| DK0412488T3 (en) | 1994-11-21 |
| HUT55978A (en) | 1991-07-29 |
| EP0412488B1 (en) | 1994-08-03 |
| AU631446B2 (en) | 1992-11-26 |
| PL164089B1 (en) | 1994-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |