CA1216102A - System for putting on and changing a tubular protective cover on a toilet seat - Google Patents
System for putting on and changing a tubular protective cover on a toilet seatInfo
- Publication number
- CA1216102A CA1216102A CA000436666A CA436666A CA1216102A CA 1216102 A CA1216102 A CA 1216102A CA 000436666 A CA000436666 A CA 000436666A CA 436666 A CA436666 A CA 436666A CA 1216102 A CA1216102 A CA 1216102A
- Authority
- CA
- Canada
- Prior art keywords
- tubing
- toilet seat
- cassette
- pouch
- protective cover
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/14—Protecting covers for closet seats
- A47K13/145—Protecting covers for closet seats of rolled-up paper tubes or rolled-up plastic tubes
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Toilet Supplies (AREA)
- Non-Flushing Toilets (AREA)
- Processing Of Terminals (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A system is provided for putting on and changing a tubular protective cover (9) on a toilet seat (3), in which the protective cover (5) is moved from a roll (7) of fresh tubing by means of a drive mechanism (19) over the toilet seat into a receptacle area for used tubing. The used tubing is moved into a collector container (21), which is embodied either in a fixed shape or as a foil pouch, and the used tubing is moved into this container through an opening in a housing wall of the system, so that the con-tainer can easily be changed from the outside. A shredding device may be provided on the pull-off mechanism (15), so that the used tubing is deposited in the container (21) in a shredded state, thereby saving space.
A system is provided for putting on and changing a tubular protective cover (9) on a toilet seat (3), in which the protective cover (5) is moved from a roll (7) of fresh tubing by means of a drive mechanism (19) over the toilet seat into a receptacle area for used tubing. The used tubing is moved into a collector container (21), which is embodied either in a fixed shape or as a foil pouch, and the used tubing is moved into this container through an opening in a housing wall of the system, so that the con-tainer can easily be changed from the outside. A shredding device may be provided on the pull-off mechanism (15), so that the used tubing is deposited in the container (21) in a shredded state, thereby saving space.
Description
stem for putting on and changing a tubular protective cover on a toilet seat FIELD OF THE INVENTION
The present invention relates to a system for putting on and changing a tubular protective cover on a toilet seat, in which the protective cover can be moved from a storage device for fresh tubing over the toilet seat by means of a drive mechanism and on to a receptacle area for used tubing.
BACKGROUND OF TOE INVENTION
Systems of the above-described type are known from Swiss Patents 624,004 and 624,565. They have proven to be highly satisfactory in practice; however, depending upon standardized toilet sizes and available space, the need exists in certain cases for the volume of such soys-terms to be reduced in principle.
SUMMARY OF THE INVENTION
According to the invention there is provided a system for putting on and changing a tubular protective cover on a toilet seat, wherein the protective cover is B
movable from a storage unit for fresh tubing over the toilet seat by means of a drive mechanism and then to a receptacle area for used tubing, wherein the receptacle area for used tubing has a collector container for the used tubing.
he receptacle may be disposed outside the system and include an interchangeable pouch having reinforced means for removably fastening the pouch to a housing wall;
alternatively, a shredding device for the used tubing may be disposed upstream of the container so that the latter may receive the shredded tubing.
Preferably, the invention relates to a system for putting on and changing a tubular protective cover for a toilet seat including a drive mechanism for moving the cover over the toilet seat from a storage unit, wherein the drive mechanism is manually actuatable. In accordance with this aspect of the invention, the drive mechanism may include a rack and gear arrangement coupled with at least one pull-off roll for the tubing.
In another preferred form, the invention provides a system for putting on and changing a tubular protective cover on a toilet seat including a drive mechanism for moving the cover over the toilet seat from a storage unit to a receptacle for used tubing where the storage unit for the fresh tubing is an interchangeable cassette. In accordance with this aspect of the invention, the tubing may be contained in the cassette on a roll or folded, and the cassette may be mounted either between the ends of the toilet seat or to one side of the toilet seat.
Other aspects of this invention are claimed in a divisional application based on the present application.
' -I"
Lo us ~21~
I
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 schematically shows the design of a system according to the invention, having a receptacle for the used tubing;
Fig. 2 shows a removable foil pouch as a collector for the used tubing;
Fig. 3 schematically shows the disposition of a tubing shredder system disposed preceding the collector;
Fig. 4 schematically shows a portion of the system according to the invention, in which the used tubing, having been shredded, is disposed of in the toilet bowl and flushed away;
Fig. 5 schematically shows the embodiment of a drive mechanism for the tubing which can be actuated manually by hand or foot;
Fig. 6 schematically shows a system according to the invention having an interchangeable storage cassette for the fresh tubing;
Fig. 7 shows a further variant embodiment of a storage cassette for fresh tubing; and Fig. 8 shows two variant dispositions of a storage cassette for fresh tubing in the system.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
In Fig. 1, a system 1 according to the invention is shown in schematic form. A toilet seat 3 has one us-attached end 5, over which the tubular protective cover 9 is drawn onto the toilet seat 3 from a storage unit for fresh tubing shown in the form of a roll 7. At the fastened end 11 of the toilet seat 3, a cutter 13 is disposed, which slits open the tube 9 pulled over the toilet seat, preferably in increments, in the direction of the arrow. The cutter 13 slits open the tube 9 in such a manner that it can be drawn off by a drive mechanism, schematically represented by the rolls 15 and 17. The drive mechanism includes a preferably battery-operated electric motor 19 or some manual device actuatable by hand or by toot. The used tubing drawn off the toilet seat 3 is not wound up onto a roll of used tubing, which would require increased space for the complete system 1; instead, as shown in Fig. 1, the used tubing is diverted either before or after the drive mechanism 15, 17, 19 and disposed of in a container serving as a storage unit 21 for used tubing. This storage unit is preferably disposed outside the system, depending upon the given situation; for instance, the used tubing may be passed through an opening in the housing 23 of the system, above which opening the collector 21 is attached from the outside.
As shown in Fig. 2, the collector 21 is preferably embodied by a foil pouch 23, which in the area of its open-in is glued to a holder plate 25, the latter having a eon-trial opening 27 for the tubing. The holder plate 25 is secured to one part of the housing wall 31 such that it can be removed by sliding along holder rails 29, and the housing wall 31 is also provided with an opening 33 for removing the used tubing. The collector may be disposed, depending upon a given situation, either suspended on a horizontal housing part or laterally on a vertical housing part.
As shown in schematic form in Fig. 3, the volume required by the used tubing 35 is decreased by providing a shredding device 37 preceding the collector 21, which is shown here in the form of a foil pouch 23. The shredder 37 may for instance be in the form of cutter blocks aye and 37b operatively connected with one another, and it is disposed between the drive mechanism having the rollers 15 and 17 and the opening 33 for the now-shredded used tubing 35.
As shown in Fig. 4, instead of a collector vessel for the used tubing 35, a conduit 39 may be provided, which disposes of the used tubing, in particular after the latter has passed through the shredder 37, into the toilet bowl 41.
In order to prevent stopping up the toilet, the conduit 39 may be provided with a nozzle (not shown) for flush water.
In Fig. 5, the embodiment of a manual drive for the tubing which can be operated either by foot or by hand is shown in schematic form. An actuation lever 43 acts in either case, via diverting levers and diverting rods (not shown), upon a driving rack 45, which in turn acts upon a gear wheel 47. In a known manner, the toothing of the gear wheel 47 and of the rack 45 and their interaction are such that the rack 45 acts, rotating, upon the gear wheel 47 only in the actuation direction p. The rotational movement of the gear wheel 47 is transmitted via a step-up gear mechanism, represented in Fig. 5 by the gear wheels 49 and 51, to the drive rollers 15 and 17 for the used tubing 35.
In Fugue , the system according to Fig. 1 has an interchangeable cassette 52 as the storage unit for the fresh tubing. A roll 59 having the fresh tubing is stored, capable of rotating, in the cassette housing 57, the latter self-contained except for an outlet opening 55. After the cassette 57 has been placed into an appropriate recess 61 in the system housing 23, this fresh tubing is unrolled out of the opening 55 and pushed onto the open end 5 of the toilet seat 3.
A further variant for storing the fresh tubing in a cassette 63 is shown in Fig. 7. Instead of being wound up on a roll 59 as shown in Fig. 6, the fresh tubing here is laid in folds and stored in the cassette 63; it is unfolded from a slit-type opening 55. This embodiment of the cassette makes it possible to attain flatter dimensions than if a roll were provided.
Fig. shows how the cassettes of fresh tubing are disposed in the system. Embodied as shown in Fig. 7, that is, with the tubing folded, the cassette 63 is placed for instance between the two ends of the seat 3, and the fresh tubing is drawn onto the seat 3 over the free end 65, which here is curved toward the seat. As a result of this disk position and the utilization of the space between the ends of the toilet seat, the system becomes decisively flatter, especially if the provision of a cassette of this type is combined with the provision of an external collector 21 as ~2161(~;~
shown in Fig. 1 or Fig. 2. As indicated by dot-dash lines, the open end 65 of the toilet seat 3 may also be curved toward the outside and a cassette provided such as that shown at 52 in Fig. 6.
S It will be understood that the variant embodiments shown in schematic form in Figs. 1-8 can be combined with one another, affording the opportunity to adapt the system flexibly to given structural and space requirements.
The present invention relates to a system for putting on and changing a tubular protective cover on a toilet seat, in which the protective cover can be moved from a storage device for fresh tubing over the toilet seat by means of a drive mechanism and on to a receptacle area for used tubing.
BACKGROUND OF TOE INVENTION
Systems of the above-described type are known from Swiss Patents 624,004 and 624,565. They have proven to be highly satisfactory in practice; however, depending upon standardized toilet sizes and available space, the need exists in certain cases for the volume of such soys-terms to be reduced in principle.
SUMMARY OF THE INVENTION
According to the invention there is provided a system for putting on and changing a tubular protective cover on a toilet seat, wherein the protective cover is B
movable from a storage unit for fresh tubing over the toilet seat by means of a drive mechanism and then to a receptacle area for used tubing, wherein the receptacle area for used tubing has a collector container for the used tubing.
he receptacle may be disposed outside the system and include an interchangeable pouch having reinforced means for removably fastening the pouch to a housing wall;
alternatively, a shredding device for the used tubing may be disposed upstream of the container so that the latter may receive the shredded tubing.
Preferably, the invention relates to a system for putting on and changing a tubular protective cover for a toilet seat including a drive mechanism for moving the cover over the toilet seat from a storage unit, wherein the drive mechanism is manually actuatable. In accordance with this aspect of the invention, the drive mechanism may include a rack and gear arrangement coupled with at least one pull-off roll for the tubing.
In another preferred form, the invention provides a system for putting on and changing a tubular protective cover on a toilet seat including a drive mechanism for moving the cover over the toilet seat from a storage unit to a receptacle for used tubing where the storage unit for the fresh tubing is an interchangeable cassette. In accordance with this aspect of the invention, the tubing may be contained in the cassette on a roll or folded, and the cassette may be mounted either between the ends of the toilet seat or to one side of the toilet seat.
Other aspects of this invention are claimed in a divisional application based on the present application.
' -I"
Lo us ~21~
I
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 schematically shows the design of a system according to the invention, having a receptacle for the used tubing;
Fig. 2 shows a removable foil pouch as a collector for the used tubing;
Fig. 3 schematically shows the disposition of a tubing shredder system disposed preceding the collector;
Fig. 4 schematically shows a portion of the system according to the invention, in which the used tubing, having been shredded, is disposed of in the toilet bowl and flushed away;
Fig. 5 schematically shows the embodiment of a drive mechanism for the tubing which can be actuated manually by hand or foot;
Fig. 6 schematically shows a system according to the invention having an interchangeable storage cassette for the fresh tubing;
Fig. 7 shows a further variant embodiment of a storage cassette for fresh tubing; and Fig. 8 shows two variant dispositions of a storage cassette for fresh tubing in the system.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
In Fig. 1, a system 1 according to the invention is shown in schematic form. A toilet seat 3 has one us-attached end 5, over which the tubular protective cover 9 is drawn onto the toilet seat 3 from a storage unit for fresh tubing shown in the form of a roll 7. At the fastened end 11 of the toilet seat 3, a cutter 13 is disposed, which slits open the tube 9 pulled over the toilet seat, preferably in increments, in the direction of the arrow. The cutter 13 slits open the tube 9 in such a manner that it can be drawn off by a drive mechanism, schematically represented by the rolls 15 and 17. The drive mechanism includes a preferably battery-operated electric motor 19 or some manual device actuatable by hand or by toot. The used tubing drawn off the toilet seat 3 is not wound up onto a roll of used tubing, which would require increased space for the complete system 1; instead, as shown in Fig. 1, the used tubing is diverted either before or after the drive mechanism 15, 17, 19 and disposed of in a container serving as a storage unit 21 for used tubing. This storage unit is preferably disposed outside the system, depending upon the given situation; for instance, the used tubing may be passed through an opening in the housing 23 of the system, above which opening the collector 21 is attached from the outside.
As shown in Fig. 2, the collector 21 is preferably embodied by a foil pouch 23, which in the area of its open-in is glued to a holder plate 25, the latter having a eon-trial opening 27 for the tubing. The holder plate 25 is secured to one part of the housing wall 31 such that it can be removed by sliding along holder rails 29, and the housing wall 31 is also provided with an opening 33 for removing the used tubing. The collector may be disposed, depending upon a given situation, either suspended on a horizontal housing part or laterally on a vertical housing part.
As shown in schematic form in Fig. 3, the volume required by the used tubing 35 is decreased by providing a shredding device 37 preceding the collector 21, which is shown here in the form of a foil pouch 23. The shredder 37 may for instance be in the form of cutter blocks aye and 37b operatively connected with one another, and it is disposed between the drive mechanism having the rollers 15 and 17 and the opening 33 for the now-shredded used tubing 35.
As shown in Fig. 4, instead of a collector vessel for the used tubing 35, a conduit 39 may be provided, which disposes of the used tubing, in particular after the latter has passed through the shredder 37, into the toilet bowl 41.
In order to prevent stopping up the toilet, the conduit 39 may be provided with a nozzle (not shown) for flush water.
In Fig. 5, the embodiment of a manual drive for the tubing which can be operated either by foot or by hand is shown in schematic form. An actuation lever 43 acts in either case, via diverting levers and diverting rods (not shown), upon a driving rack 45, which in turn acts upon a gear wheel 47. In a known manner, the toothing of the gear wheel 47 and of the rack 45 and their interaction are such that the rack 45 acts, rotating, upon the gear wheel 47 only in the actuation direction p. The rotational movement of the gear wheel 47 is transmitted via a step-up gear mechanism, represented in Fig. 5 by the gear wheels 49 and 51, to the drive rollers 15 and 17 for the used tubing 35.
In Fugue , the system according to Fig. 1 has an interchangeable cassette 52 as the storage unit for the fresh tubing. A roll 59 having the fresh tubing is stored, capable of rotating, in the cassette housing 57, the latter self-contained except for an outlet opening 55. After the cassette 57 has been placed into an appropriate recess 61 in the system housing 23, this fresh tubing is unrolled out of the opening 55 and pushed onto the open end 5 of the toilet seat 3.
A further variant for storing the fresh tubing in a cassette 63 is shown in Fig. 7. Instead of being wound up on a roll 59 as shown in Fig. 6, the fresh tubing here is laid in folds and stored in the cassette 63; it is unfolded from a slit-type opening 55. This embodiment of the cassette makes it possible to attain flatter dimensions than if a roll were provided.
Fig. shows how the cassettes of fresh tubing are disposed in the system. Embodied as shown in Fig. 7, that is, with the tubing folded, the cassette 63 is placed for instance between the two ends of the seat 3, and the fresh tubing is drawn onto the seat 3 over the free end 65, which here is curved toward the seat. As a result of this disk position and the utilization of the space between the ends of the toilet seat, the system becomes decisively flatter, especially if the provision of a cassette of this type is combined with the provision of an external collector 21 as ~2161(~;~
shown in Fig. 1 or Fig. 2. As indicated by dot-dash lines, the open end 65 of the toilet seat 3 may also be curved toward the outside and a cassette provided such as that shown at 52 in Fig. 6.
S It will be understood that the variant embodiments shown in schematic form in Figs. 1-8 can be combined with one another, affording the opportunity to adapt the system flexibly to given structural and space requirements.
Claims (13)
1. A system for putting on and changing a tubular protective cover on a toilet seat, wherein the protective cover is movable from a storage unit for fresh tubing over the toilet seat by means of a drive mechanism and then to a receptacle area for used tubing, wherein the receptacle area for used tubing has a collector container for the used tubing.
2. A system as defined by claim 1, wherein the collector container is disposed outside the system and has an inter-changeable pouch.
3. A system as defined by claim 2, wherein said pouch is a foil pouch.
4. A system as defined by claim 2, wherein said pouch includes an inlet opening and a reinforcement bordering thereon for removably fastening the pouch to a housing wall.
5. A system as defined by claim 4, wherein said rein-forcement includes a plate perforated for the pouch opening, and said housing wall includes holder elements for fastening the plate to said housing wall.
6. A system as defined by claim 1, wherein a shredding device for the used tubing is located in advance of the collector container.
7. A system as defined in claim 1 wherein the drive mechanism is manually actuatable.
8. A system as defined by claim 7, characterized in that the drive mechanism includes an actuation rack and a gear mechanism, the latter acting upon at least one pull-off roll for the tubing.
9. A system as defined in claim 1, wherein at least the storage unit for fresh tubing comprises an inter-changeable cassette.
10. A system as defined by claim 9, wherein, in the cassette, the fresh tubing is stored on a roll.
11. A system as defined by claim 9, wherein, in the cassette, the fresh tubing is folded.
12. A system as defined by claim 9, wherein the cassette is fastenable in the system between the ends of the toilet seat.
13. A system as defined by claim 9, wherein the cassette is fastenable in the system to one side of said toilet seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000506933A CA1219703A (en) | 1982-09-29 | 1983-09-14 | System for putting on and changing a tubular protective cover on a toilet seat |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH5734/82-1 | 1982-09-29 | ||
| CH5734/82A CH661196A5 (en) | 1982-09-29 | 1982-09-29 | PLANT FOR APPLYING AND CHANGING A TUBULAR PROTECTIVE COVER ONTO A CLOSET SEAT GLASSES. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1216102A true CA1216102A (en) | 1987-01-06 |
Family
ID=4298469
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000506933A Expired CA1219703A (en) | 1982-09-29 | 1983-09-14 | System for putting on and changing a tubular protective cover on a toilet seat |
| CA000436666A Expired CA1216102A (en) | 1982-09-29 | 1983-09-14 | System for putting on and changing a tubular protective cover on a toilet seat |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000506933A Expired CA1219703A (en) | 1982-09-29 | 1983-09-14 | System for putting on and changing a tubular protective cover on a toilet seat |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5980223A (en) |
| CA (2) | CA1219703A (en) |
| CH (1) | CH661196A5 (en) |
| DE (1) | DE3331740A1 (en) |
| DK (1) | DK440583A (en) |
| FI (1) | FI833372A (en) |
| FR (2) | FR2533431B1 (en) |
| NO (1) | NO833486L (en) |
| SE (1) | SE8305216L (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4566648A (en) * | 1984-10-03 | 1986-01-28 | Hygolet Ag | Device for applying and conveying a protective cover for a toilet seat |
| CH665947A5 (en) * | 1984-10-12 | 1988-06-30 | Chronomarine Ag | TEST DEVICE ON A DEVICE FOR APPLYING AND USING A CLOSET EYE COVER. |
| US4766618A (en) * | 1986-06-06 | 1988-08-30 | Sani-Seat, Inc. | Toilet seat covering |
| US4935967A (en) * | 1989-02-16 | 1990-06-26 | Cour Regina A | Automated toilet seat cover apparatus |
| US5107549A (en) * | 1989-02-21 | 1992-04-28 | Pitts John L | Disposable toilet seat cover |
| DE4209055A1 (en) * | 1991-09-16 | 1993-03-18 | Reiner Knuepfer | TOILET SEAT |
| JP2000166815A (en) * | 1998-12-10 | 2000-06-20 | Jiko Sangyo Kk | Assembly for toilet seat assembly for manual supplying of sanitary cover |
| WO2016139507A1 (en) | 2015-03-03 | 2016-09-09 | Iovine Edoardo | Seat for sanitary vase and related protection |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE229833C (en) * | ||||
| DE291659C (en) * | ||||
| DE1753106A1 (en) * | 1968-01-13 | 1971-07-15 | Werner Wildenmann | Device for covering the seat of a toilet with an exchangeable support |
| GB1349397A (en) * | 1972-08-10 | 1974-04-03 | Nelson C V | Seat for toilet pedestal |
| DE2656496A1 (en) * | 1976-12-14 | 1978-11-16 | Geb Klomp Anna Liedgens | Disposable hygienic toilet seat cover - reaches down into pan, and can be treated with disinfectant |
| CH624004A5 (en) * | 1977-11-04 | 1981-07-15 | Hygomat Ag | Lavatory seat with a device for mounting and changing a tubular protective covering on the lavatory seat |
| DE2857561C3 (en) * | 1977-09-07 | 1981-12-10 | Hygomat AG, Zug | Toilet seat with a device for applying and transporting a protective cover for the toilet seat |
-
1982
- 1982-09-29 CH CH5734/82A patent/CH661196A5/en not_active IP Right Cessation
-
1983
- 1983-09-02 DE DE19833331740 patent/DE3331740A1/en not_active Ceased
- 1983-09-14 CA CA000506933A patent/CA1219703A/en not_active Expired
- 1983-09-14 CA CA000436666A patent/CA1216102A/en not_active Expired
- 1983-09-21 FI FI833372A patent/FI833372A/en not_active Application Discontinuation
- 1983-09-26 JP JP58176541A patent/JPS5980223A/en active Pending
- 1983-09-27 NO NO833486A patent/NO833486L/en unknown
- 1983-09-27 DK DK440583A patent/DK440583A/en not_active Application Discontinuation
- 1983-09-27 SE SE8305216A patent/SE8305216L/en unknown
- 1983-09-29 FR FR8315499A patent/FR2533431B1/en not_active Expired
-
1984
- 1984-01-13 FR FR8400475A patent/FR2537427B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO833486L (en) | 1984-03-30 |
| FR2533431B1 (en) | 1987-06-19 |
| FI833372A0 (en) | 1983-09-21 |
| FR2533431A1 (en) | 1984-03-30 |
| CH661196A5 (en) | 1987-07-15 |
| FR2537427A1 (en) | 1984-06-15 |
| JPS5980223A (en) | 1984-05-09 |
| FR2537427B1 (en) | 1987-06-19 |
| SE8305216D0 (en) | 1983-09-27 |
| SE8305216L (en) | 1984-03-30 |
| DK440583A (en) | 1984-03-30 |
| DK440583D0 (en) | 1983-09-27 |
| DE3331740A1 (en) | 1984-03-29 |
| CA1219703A (en) | 1987-03-31 |
| FI833372A (en) | 1984-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |