CA2166998A1 - Dispenser, in particular for pasty substances - Google Patents
Dispenser, in particular for pasty substancesInfo
- Publication number
- CA2166998A1 CA2166998A1 CA002166998A CA2166998A CA2166998A1 CA 2166998 A1 CA2166998 A1 CA 2166998A1 CA 002166998 A CA002166998 A CA 002166998A CA 2166998 A CA2166998 A CA 2166998A CA 2166998 A1 CA2166998 A1 CA 2166998A1
- Authority
- CA
- Canada
- Prior art keywords
- dispenser
- supply bag
- supply
- bottom end
- bag
- 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.)
- Abandoned
Links
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
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
- B65D83/0066—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by twisting the bag
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Jellies, Jams, And Syrups (AREA)
- Bag Frames (AREA)
- Packages (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Conductive Materials (AREA)
- Coating Apparatus (AREA)
- Formation And Processing Of Food Products (AREA)
Abstract
A dispenser, in particular for pasty substances, has a replaceable reservoir (2) that may be emptied by twisting. The advantage of the invention is that it is easy and economic to produce. In addition, it allows the reservoir to be emptied to a very large extent.
Description
A dlsp~n^-r, ln p-rt~cul~r fo~ p~sty ~u~t~n~
This lnvcntion relatss to a di~penser, ln particular ~or pa~ty 6ub~t~nce~, ~o~p~i~lng a ~eplac~able s~pply ~ontainar, wherein ~aid cupply ccntainer i6 preferably a ~upply ba~ in th~ form o~ a bladder comprising thln foldable walls as well a~ a mouth end and a bottom end with said bottom end being reinforced.
A di~penser is kno~n for instance from EP-A2-219 750. In ~a~d di~pen6e~, a ~upply Pag i~ emptied by axially exert~ng pr~ssur~. This dispenser i~ ~till consid~red rolativ~ly lntrlaate r~gardi~g the emptying mechani~m. B~Yid~s, it turned out that, when empt~ed u~in~ pre~ure, the supply bags cannot or only with great effort be completely emptied.
Tha o~ct underlying thi~ in~ention i~ to provide di~p~nF~r, in particular for pasty sub~tance~, comprising a c~mple 6upply ~ag which ma~e~ it po~sible to empty the 3upply bag without employing a complicated mechani3m.
Furthermore, lt i~ to ~e possib~e to empty the supply bag almo~t completely.
This object i6 achieved with the featureOE o~ the patent claims.
In exampl~s it is shown that thore i~ a holding part in th~
d~spon~er which ca~ be r~tat~d around a longitudinal axis ~hrough Qaid mouth end and 6aid bottom end o~ the CUpp~y container or supply bag and that ~aid holding par~ coacts with th~ r~infor~m~nt of said bottom end of said ~upply bag for t~isting ~aid ~upply bag, wherein s~id ~upply bag i~
mounted non-ro~at~bly in ~ld dl~pencer in the reglon o~
haid ~ou~h end. Ac~ording to this invention, a dispens~r with a 3upply bag i~ propo~ed whlch, due to the twlst~ng p-cgr~Ying from ~ottom to top, ~orce6 out the aonten~, in particular a pa~ty 6ub~tance 6Uch as toothpastc, ~ayonnalso, 2 1 6 6 9 9 8 PCI/EP91/0~61 AMENDED PAGES
la GB-A-495 856 describes a twistable bag accommodated in a two-part housing. This bag comprises at its bottom end a wing-like rotating element held in a positive engagement in a slot of a gliding piece. The dispenser of US-A-2 203 313 uses a supply container whose bottom end is held by a garland-like bottom plate.
21G6998~
ke~chup or the li~e, but al~o ~olid 6ub~tan~e~, ~uch a~ a d~odorant ~ticX, ~om 6a~d mouth end o~ said ~upply bag. In an embodimont, said bottom end of ~aid supply b~g i8 to be r~c~ivod in a positive engag~m~nt w~th ~aid hol41ng par~.
Thi~ simple po6itive engagsment, which e.g. ma~e~ plugging in from the top possible, ls only nec-~nry w-th re~ard to a twisting o~ ~aid bottom énd r~lativ~ to ~aid ~ou~h end of said ~upply bag. Adapted h~eto, the positive en~agem~nt may b~ designed as de6ired. ~urthermore, a pre~erred em~odiment i8 that ~aid bottom end of said ~upply bag i~ ~XiAlly movable ~n ~a~d holding pPrt o~ ~id di~p~n~r hou~ing. As the twisting or torston pro~r~os~, depending on thQ
m~teri~ id ~upply ~ag i~ g~nerally short~nQd, ~ue to the fact that said bottom Qnd is axially ~ovable in ~a~d holdlng part, the po~itive engagement with said holding part i6 maintaln~d while ~aid supply ~g can be axial7y ~hortened.
Said bottom end being in the ~h~pe of a po$ygonal bar for ln~tance i~ considered to b~ a ~uitabl~ decign of 6aid bottom e~d of ~id ~upply bag. For ~xample a equare or a ~xagon cro~-GP~tlon i~ preferable. Said b~r may be ~olid or - pre~erably - hollow ~or the reduction of weight and material consumpt$on. Cor~ponding to ~id bottom end of ~aid 8upply bag, s~id holding part of said di~pon~er compri~e~ a polygonal soc~t, docignod ~ known ~rom Allsn Key~. Said mouth Qnd of ~aid supply bag ~urther preferably comprl6~s a mouth cap comp~lsing - ~xternal - positive engagem~nt msans, which eng~gement meang ma~e a non-rotatable mounting in 6aid dl~pense~ housing po~sible.
Alto~natively or additionally th~re may be a non-positive engage~ent, Thu~, sald bottom end may be twi~ted relative to said mouth end o~ ~aid supply bag without said mouth end turn~ng too. With regard to the deslg~ of sald supply b~g it i~ furthermore preferrsd that s~id eupply bHg e~nti~lly consist~ o~ a pla~tlc film, for examp~e cylindrically extruded. Of thi~, very ~hin pla~tic f~lm~ ~re pr~f~rrod.
However, the u~e o~ mult~lay~ pla~tic film~ i~ al~o posaibl~. Alt~rnatively, ~ald ~upply contain~r may con~i~t of 6uv~ral plastic ~ilm part~ pr~f~rakly weld~d `~ 2166998 PCrIEP9~/01~61 AS OR~GINALLY FLED
together. Furthermore, it is preferred that said bottom end of said supply container is injection-molded to the plastic film. For details, reference is made to the German patent application No. P 43 21 275.1, the full disclosure content of which is herewith incorporated in the present application. Furthermore, it is possible to connect the mouth cap with the extruded plastic film by means of injection-molding, e.g. in the form of a hinged closure. For details, reference is made to the above-mentioned patent application. Finally, another preferred design is that said supply container comprises a taper in the region of said bottom end for the determination of a starting cross-section in twisting. When twisting, the smallest cross-section of the supply container - filled with substance - exerts the least resistance and will thus begin to contract when a corresponding torque is exerted on said supply container.
In the following, the invention is explained further with reference to the enclosed drawings, which show embodiments by way of examples only. In the drawings:
Fig. 1 shows a side view of the dispenser;
Fig. 2 shows a top view of the dispenser of Fig. 1;
Fig. 3 shows a cross-sectional view through the dispenser of Fig. 1, cut along the line III-III in Fig. 2;
Fig. 4 shows another cross-sectional view through the dispenser of Fig. 1, cut along the line IV-IV in Fig. 3;
Fig. 5 shows a cross-sectional view of the dispenser of Fig. 1, cut along the line V-V in Fig. 3;
Fig. 6 shows a cross-sectional view of the dispenser according to Fig. 3, with a partially twisted supply bag;
PCr/EP94/0~61 AS ORIGINALLY FILED
Fig. 7 shows a cross-sectional view of the dispenser of Fig. 1 cut along the line VII-VII in Fig. 6;
Fig. 8 shows an alternative embodiment of the dispenser of Fig. 1 in a depiction according to Fig. 3, comprising a coil spring for the transfer of the torque;
Fig. 9- shows a depiction according to Fig. 8, comprising an elongated coil spring and a partially twisted supply bag;
Fig. 10 shows a cross-sectional view through another embodiment of the invention;
Fig. 11 shows the embodiment of the invention of Fig. 10 without supply bag and lid;
Fig. 12 shows the embodiment of the invention of Fig. 10 in dispensing position;
Fig. 13 shows a detail of the embodiment of the invention of Fig. 12 immediately after its return into the waiting position;
Fig. 14 shows a cross-sectional view through another embodiment of the invention;
Fig. 15 shows the embodiment of the invention of Fig. 14 ~ before inserting the supply bag; and Fig. 16 shows the embodiment of the invention of Fig. 14 with twisted supply bag.
First, referring to Fig. 1, a dispenser 1 is depicted and described, for instance for the release of a pasty substance, such as toothpaste. Said dispenser 1 comprises -PCIIEP9~/0~61 AS ORIGL~ALLY FILED
now with reference to Fig. 3 - a supply bag 2 exchangeably received in the dispenser housing 3. In detail, said supply bag is in the form of a bladder comprising thin foldable walls 2a. Furthermore, said supply bag 2 comprises a mouth end 4 and a bottom end 5. Said bottom end 5 is shown - cf.
Fig. 5 - having a rectangular cross-section.
Furthermore, said bottom end comprises a bar section 6 and a transition area 7. Said transition area 7 is a connection with the film walls 2a of said supply bag. As can be inferred from the Figure, said transition area 7 is tapered waist-like in comparison with an average cross-section - for example in the area of the line IV-IV in Fig. 3 - of said supply bag.
Said bar section 6 is located in a holding part 8 of said dispenser 1. Said holding part 8 can be rotated around a longitudinal axis extending through said mouth end 4 and said bottom end 5 of said supply bag. Due to the positive engagement of said bar section 6 in said holding part 8, said supply bag is twisted when said holding part 8 is rotated, as is indicated in Fig. 6.
As said supply bag is progressively twisted, said bottom end 5 and in particular said bar section 6 move upwardly, as is also indicated in Fig. 6. The opening 9 of said holding part 8 which is undercut-free in the upper direction allows for this axial movement.
Said mouth end 4 comprises external locking cams 10 engaging with recesses 22 (cf. 4) in said dispenser walls 3. They prevent said mouth end 4 from rotating relative to said dispenser housing 3. Thus, the desired twisting of the supply bag is achieved when said holding part 8 of said dispenser 1 is rotated.
Said mouth end 4 particularly comprises a conical portion 11, which is integrally formed with a cylindrical section ~ 2166998 - PCI'/EP9110'~61 AS OR~GINALLY FILED
12. Said cylindrical section 12 is connected to the extruded plastic film 2a. In the mouth direction, a dispensing opening 13 follows said conical section 11.
Said holding part 8 is connected non-rotatably (e.g. by means of an adhesive) to a handling piece 14 having a pot-shaped cross-section which interacts with said dispenser wall 3 by means of a ratchet mechanism.
Said ratched mechanism is shown in detail in Figs. 5 and 6.
Said handling piece 14 comprises two spring arms 15 which come into engagement with recesses 16 oriented axially at said dispenser. Upon rotating said handling piece 14, said spring arms 15 run over cams 18 due to a slant 17 (cf.
rotation against direction of arrow). In case the rotation is in the direction of the arrow, blocking takes place and said supply bag 2 can be emptied as desired.
It can also be seen that said handling piece 14 is knurled on the outside for easier handling. Furthermore, said handling piece 14 is secured axially in said dispenser walls 3 by means of a surrounding recess 19.
As an alternative to the shown ratchet mechanism it is also possible that said handling piece 14 simply interacts with said dispenser walls 3 via a frictional engagement. If said frictional engagement is selected strong enough, it is impossible for said handling piece 14 to be turned back due to restoring forces of said supply container when twisted so that this embodiment is also suitable.
Figures 8 and 9 relate to an alternative embodiment of holding part 8. In these Figures, said holding part 8 comprises a coil spring 20, which comprises substantially perpendicular transverse elements 21 for the transmission of a torque, which transverse elements are provided such that they go into mesh with one another like a zipper - regarding turns of said coil spring that run above one another. Thus, pCllEP9~,10~61 AS ORIGINALLY FILED
this coil spring can follow said bottom end axially in height as said twisting of said supply container progresses without losing the capability to transmit the required torque. Correspondingly, it is not necessary to form said bottom end 5 of said supply container with an adapted length (bar section 6). Fig. 9 shows a condition in which said supply container already shows a certain shortening. An upper end of said coil spring 20 rests against a rotational stop in the bottom of said supply bag 2 and a lower end is fixed -to said handling piece 14. This is not shown in detail.
Fig. 10 shows another embodiment of the dispenser of the invention, wherein a twisting of said supply bag 2 is achieved by said housing 3 exerting axial pressure to a bottom part 29 against a pressure spring 30. In this embodiment, a screw 32 runs into a nut 31 at said bottom 29.
At the position 24c, said screw 32 is fixed to a rotation sleeve 24, in which a catch 26, which is connected to said supply bag 2, is mounted axially movably. Via the rotation of said rotation sleeve 24 and said catch 26, turning said screw 32 causes said supply bag 2 to twist. The thus resulting shortening of said supply bag 2 causes said catch 26 to move upwardly within said rotation sleeve 24.
The dispenser of Figure 10 comprises a lid 22. A flange 27 comprising a slanted lateral outlet pipe 13 is located at the upper part of said supply bag 2. Said outlet pipe 13 is mounted in corresponding openings in the lid 22 and the dispenser housing 3 and thus prevents the bag flange 27 from rotating within said dispenser. In the waiting position of said dispenser 1 as shown in Figure 10, the opening of said outlet pipe 13 is closed by means of a flap 23. Said flap 23 is connected by means of a hinge with a fixed ring 25 inside said dispenser housing 3 and is guided through an opening 3b of said dispenser housing 3.
2166g98 PCI/EP9~/0~61 AS ORlGlNALLY FILED
Fig. 11 shows the embodiment of the invention of Fig. 10 without supply bag 2 and without lid 22. The ring 25 is preferably fixed to the bottom 29 via three bars 28. At a circular cross-section of said dispenser, said bars 28 are arranged at an angle distance of 120. They are preferably 12 mm wide. Said bars 28 comprise noses 34, which, in a waiting position, retain said dispenser housing 3 under the pressure of said spring 30 at said bottom 29. Furthermore, said rotation housing 24 is shown. It comprises slots 24a, into which the ends of a bar-shaped catch 26 are inserted via insertion slants 24b.
Fig. 12 shows the embodiment of Fig. 10, wherein said dispenser housing 3 is pushed to the limit to said bottom 29 against the force of said spring 30. During this process, said screw 32 screwed into said nut 31 and caused said supply bag 2 (not shown in this Fig.) to twist. The thread of said screw and nut has a strong lead, preferably 100 mm per rotation. The hoisting height results in the dosage so that said hoisting height is adapted to the substance to be dispensed. Pushing down said dispenser housing 3 causes a movement of said flap 23 relative to the holding part ring 25 standing firmly on said bottom 29. The opening 3b moves downwardly, said flap 23 moves away from the opening of said outlet pipe 13 and substance is released from said supply bag 2. On the other hand, when there is no more pressure exerted, said dispenser housing 3 goes back into the waiting position, touching said noses 34 of said bars 28, due to the pressure exerted by said spring 30. At the same time, said opening 3b lifts up said flap 23 again and thus closes off said outlet pipe 13.
Fig. 13 shows the embodiment of Fig. 12 immediately after said spring 30 has been released. Said nut 31 is in positive engagement with said bottom 29 only in a horizontal direction. Therefore, it was, still screwed onto the screw 32, also lifted upwards by said spring 30. Due to its own weight, said nut 31 then screws off said screw 32 again and PCrlEP9~10~51 AS ORIGINALLY FILED
falls back onto said bottom 29, where it comes into positive engagement again with projections 3la in corresponding recesses 29a at the bottom. Thus, the waiting position of Fig. 10 is achieved again and twisting may be continued by another exertion of pressure releasing more substance from said dispenser.
Figures 14 to 16 show another embodiment of the invention particularly suitable for a stick-shaped product of relatively solid consistency such as a deo stick, adhesive stick or crayon. In this embodiment, said supply bag 2 is connected to a lid 14a by means of a turnable handling piece 14 via a telescope-like holding means 35, 36 allowing the lower end of said supply bag 2 to move vertically upon twisting.
Fig. 14 shows another embodiment of the dispenser 3 of the invention in a waiting position with a closure cap 39 on said dispenser housing 3 and a seal 40. Said supply bag 2 is mounted in a positive engagement with said dispenser by means of said flange 27, said dispenser preferably having an oval cross-section. The lower end of said supply bag 2 comprises a catch 26 engaged in the inside of a catch sleeve 36 by means of hooks 26a. In a waiting position before said dispenser is operated, said hooks 26a reach slightly further into said catch sleeve in order to balance out any tolerances in the dimensions of said bag and/or filling.
Said catch 26 is welded to said bag 2 and with a stabilizing part 26b reaches into said supply bag 2, thus coming into contact with the substance 41 and therefore stabilizing the position of said catch. Said handling piece 14 can be turned by means of a nose 14b behind a projection 3a of said dispenser housing 3 and is preferably engaged slightly resiliently. Thus, said supply bag 2 is prevented from untwisting. A certain tightness in said handling piece 14 may also be achieved by slight fluting in the transition area between said handling piece 14 and said dispenser housing 3.
^ 216~C~
pCTlEP9~/0~'~61 AS ORIGINALLY FILED
Fig. 15 shows the embodiment of the invention of Fig. 14 without cap with said bag 2 not being mounted in its holding part yet. Before inserting it, said bag 2 is preferably covered with a tamper-proof seal 42 (film), which is ripped off upon insertion. Said catch 26 is inserted into a star-shaped toothing 36a in said catch sleeve 36 by means of said hooks 26a, which, as described above and shown in Fig. 14, reach further than said toothing 36a.
Fig. 16 shows the embodiment of the invention of Fig. 14 in the end position of the twisting of the supply bag 2, i.e.
when said substance 41 is completely expelled. At the beginning of the twisting process, said catch 26 is lifted and said hooks 26a engage underneath said star-shaped toothing 36a. During this process, said telescope sleeve 35 and said catch sleeve 36 gradually shift upwardly to the limit stops 38 in grooves 37.
The embodiments of Figures 1 to 16 show supply bags 2 tapering off at their bottom portion for predetermining a preferred site for the beginning of the twisting. In a preferred embodiment, the dispensers are essentially made of plastics.
The features of the invention as disclosed in the above description, in the drawings and the claims may be of importance for the realization of the invention both individually and in any combination. All disclosed features are essential to the invention.
This lnvcntion relatss to a di~penser, ln particular ~or pa~ty 6ub~t~nce~, ~o~p~i~lng a ~eplac~able s~pply ~ontainar, wherein ~aid cupply ccntainer i6 preferably a ~upply ba~ in th~ form o~ a bladder comprising thln foldable walls as well a~ a mouth end and a bottom end with said bottom end being reinforced.
A di~penser is kno~n for instance from EP-A2-219 750. In ~a~d di~pen6e~, a ~upply Pag i~ emptied by axially exert~ng pr~ssur~. This dispenser i~ ~till consid~red rolativ~ly lntrlaate r~gardi~g the emptying mechani~m. B~Yid~s, it turned out that, when empt~ed u~in~ pre~ure, the supply bags cannot or only with great effort be completely emptied.
Tha o~ct underlying thi~ in~ention i~ to provide di~p~nF~r, in particular for pasty sub~tance~, comprising a c~mple 6upply ~ag which ma~e~ it po~sible to empty the 3upply bag without employing a complicated mechani3m.
Furthermore, lt i~ to ~e possib~e to empty the supply bag almo~t completely.
This object i6 achieved with the featureOE o~ the patent claims.
In exampl~s it is shown that thore i~ a holding part in th~
d~spon~er which ca~ be r~tat~d around a longitudinal axis ~hrough Qaid mouth end and 6aid bottom end o~ the CUpp~y container or supply bag and that ~aid holding par~ coacts with th~ r~infor~m~nt of said bottom end of said ~upply bag for t~isting ~aid ~upply bag, wherein s~id ~upply bag i~
mounted non-ro~at~bly in ~ld dl~pencer in the reglon o~
haid ~ou~h end. Ac~ording to this invention, a dispens~r with a 3upply bag i~ propo~ed whlch, due to the twlst~ng p-cgr~Ying from ~ottom to top, ~orce6 out the aonten~, in particular a pa~ty 6ub~tance 6Uch as toothpastc, ~ayonnalso, 2 1 6 6 9 9 8 PCI/EP91/0~61 AMENDED PAGES
la GB-A-495 856 describes a twistable bag accommodated in a two-part housing. This bag comprises at its bottom end a wing-like rotating element held in a positive engagement in a slot of a gliding piece. The dispenser of US-A-2 203 313 uses a supply container whose bottom end is held by a garland-like bottom plate.
21G6998~
ke~chup or the li~e, but al~o ~olid 6ub~tan~e~, ~uch a~ a d~odorant ~ticX, ~om 6a~d mouth end o~ said ~upply bag. In an embodimont, said bottom end of ~aid supply b~g i8 to be r~c~ivod in a positive engag~m~nt w~th ~aid hol41ng par~.
Thi~ simple po6itive engagsment, which e.g. ma~e~ plugging in from the top possible, ls only nec-~nry w-th re~ard to a twisting o~ ~aid bottom énd r~lativ~ to ~aid ~ou~h end of said ~upply bag. Adapted h~eto, the positive en~agem~nt may b~ designed as de6ired. ~urthermore, a pre~erred em~odiment i8 that ~aid bottom end of said ~upply bag i~ ~XiAlly movable ~n ~a~d holding pPrt o~ ~id di~p~n~r hou~ing. As the twisting or torston pro~r~os~, depending on thQ
m~teri~ id ~upply ~ag i~ g~nerally short~nQd, ~ue to the fact that said bottom Qnd is axially ~ovable in ~a~d holdlng part, the po~itive engagement with said holding part i6 maintaln~d while ~aid supply ~g can be axial7y ~hortened.
Said bottom end being in the ~h~pe of a po$ygonal bar for ln~tance i~ considered to b~ a ~uitabl~ decign of 6aid bottom e~d of ~id ~upply bag. For ~xample a equare or a ~xagon cro~-GP~tlon i~ preferable. Said b~r may be ~olid or - pre~erably - hollow ~or the reduction of weight and material consumpt$on. Cor~ponding to ~id bottom end of ~aid 8upply bag, s~id holding part of said di~pon~er compri~e~ a polygonal soc~t, docignod ~ known ~rom Allsn Key~. Said mouth Qnd of ~aid supply bag ~urther preferably comprl6~s a mouth cap comp~lsing - ~xternal - positive engagem~nt msans, which eng~gement meang ma~e a non-rotatable mounting in 6aid dl~pense~ housing po~sible.
Alto~natively or additionally th~re may be a non-positive engage~ent, Thu~, sald bottom end may be twi~ted relative to said mouth end o~ ~aid supply bag without said mouth end turn~ng too. With regard to the deslg~ of sald supply b~g it i~ furthermore preferrsd that s~id eupply bHg e~nti~lly consist~ o~ a pla~tlc film, for examp~e cylindrically extruded. Of thi~, very ~hin pla~tic f~lm~ ~re pr~f~rrod.
However, the u~e o~ mult~lay~ pla~tic film~ i~ al~o posaibl~. Alt~rnatively, ~ald ~upply contain~r may con~i~t of 6uv~ral plastic ~ilm part~ pr~f~rakly weld~d `~ 2166998 PCrIEP9~/01~61 AS OR~GINALLY FLED
together. Furthermore, it is preferred that said bottom end of said supply container is injection-molded to the plastic film. For details, reference is made to the German patent application No. P 43 21 275.1, the full disclosure content of which is herewith incorporated in the present application. Furthermore, it is possible to connect the mouth cap with the extruded plastic film by means of injection-molding, e.g. in the form of a hinged closure. For details, reference is made to the above-mentioned patent application. Finally, another preferred design is that said supply container comprises a taper in the region of said bottom end for the determination of a starting cross-section in twisting. When twisting, the smallest cross-section of the supply container - filled with substance - exerts the least resistance and will thus begin to contract when a corresponding torque is exerted on said supply container.
In the following, the invention is explained further with reference to the enclosed drawings, which show embodiments by way of examples only. In the drawings:
Fig. 1 shows a side view of the dispenser;
Fig. 2 shows a top view of the dispenser of Fig. 1;
Fig. 3 shows a cross-sectional view through the dispenser of Fig. 1, cut along the line III-III in Fig. 2;
Fig. 4 shows another cross-sectional view through the dispenser of Fig. 1, cut along the line IV-IV in Fig. 3;
Fig. 5 shows a cross-sectional view of the dispenser of Fig. 1, cut along the line V-V in Fig. 3;
Fig. 6 shows a cross-sectional view of the dispenser according to Fig. 3, with a partially twisted supply bag;
PCr/EP94/0~61 AS ORIGINALLY FILED
Fig. 7 shows a cross-sectional view of the dispenser of Fig. 1 cut along the line VII-VII in Fig. 6;
Fig. 8 shows an alternative embodiment of the dispenser of Fig. 1 in a depiction according to Fig. 3, comprising a coil spring for the transfer of the torque;
Fig. 9- shows a depiction according to Fig. 8, comprising an elongated coil spring and a partially twisted supply bag;
Fig. 10 shows a cross-sectional view through another embodiment of the invention;
Fig. 11 shows the embodiment of the invention of Fig. 10 without supply bag and lid;
Fig. 12 shows the embodiment of the invention of Fig. 10 in dispensing position;
Fig. 13 shows a detail of the embodiment of the invention of Fig. 12 immediately after its return into the waiting position;
Fig. 14 shows a cross-sectional view through another embodiment of the invention;
Fig. 15 shows the embodiment of the invention of Fig. 14 ~ before inserting the supply bag; and Fig. 16 shows the embodiment of the invention of Fig. 14 with twisted supply bag.
First, referring to Fig. 1, a dispenser 1 is depicted and described, for instance for the release of a pasty substance, such as toothpaste. Said dispenser 1 comprises -PCIIEP9~/0~61 AS ORIGL~ALLY FILED
now with reference to Fig. 3 - a supply bag 2 exchangeably received in the dispenser housing 3. In detail, said supply bag is in the form of a bladder comprising thin foldable walls 2a. Furthermore, said supply bag 2 comprises a mouth end 4 and a bottom end 5. Said bottom end 5 is shown - cf.
Fig. 5 - having a rectangular cross-section.
Furthermore, said bottom end comprises a bar section 6 and a transition area 7. Said transition area 7 is a connection with the film walls 2a of said supply bag. As can be inferred from the Figure, said transition area 7 is tapered waist-like in comparison with an average cross-section - for example in the area of the line IV-IV in Fig. 3 - of said supply bag.
Said bar section 6 is located in a holding part 8 of said dispenser 1. Said holding part 8 can be rotated around a longitudinal axis extending through said mouth end 4 and said bottom end 5 of said supply bag. Due to the positive engagement of said bar section 6 in said holding part 8, said supply bag is twisted when said holding part 8 is rotated, as is indicated in Fig. 6.
As said supply bag is progressively twisted, said bottom end 5 and in particular said bar section 6 move upwardly, as is also indicated in Fig. 6. The opening 9 of said holding part 8 which is undercut-free in the upper direction allows for this axial movement.
Said mouth end 4 comprises external locking cams 10 engaging with recesses 22 (cf. 4) in said dispenser walls 3. They prevent said mouth end 4 from rotating relative to said dispenser housing 3. Thus, the desired twisting of the supply bag is achieved when said holding part 8 of said dispenser 1 is rotated.
Said mouth end 4 particularly comprises a conical portion 11, which is integrally formed with a cylindrical section ~ 2166998 - PCI'/EP9110'~61 AS OR~GINALLY FILED
12. Said cylindrical section 12 is connected to the extruded plastic film 2a. In the mouth direction, a dispensing opening 13 follows said conical section 11.
Said holding part 8 is connected non-rotatably (e.g. by means of an adhesive) to a handling piece 14 having a pot-shaped cross-section which interacts with said dispenser wall 3 by means of a ratchet mechanism.
Said ratched mechanism is shown in detail in Figs. 5 and 6.
Said handling piece 14 comprises two spring arms 15 which come into engagement with recesses 16 oriented axially at said dispenser. Upon rotating said handling piece 14, said spring arms 15 run over cams 18 due to a slant 17 (cf.
rotation against direction of arrow). In case the rotation is in the direction of the arrow, blocking takes place and said supply bag 2 can be emptied as desired.
It can also be seen that said handling piece 14 is knurled on the outside for easier handling. Furthermore, said handling piece 14 is secured axially in said dispenser walls 3 by means of a surrounding recess 19.
As an alternative to the shown ratchet mechanism it is also possible that said handling piece 14 simply interacts with said dispenser walls 3 via a frictional engagement. If said frictional engagement is selected strong enough, it is impossible for said handling piece 14 to be turned back due to restoring forces of said supply container when twisted so that this embodiment is also suitable.
Figures 8 and 9 relate to an alternative embodiment of holding part 8. In these Figures, said holding part 8 comprises a coil spring 20, which comprises substantially perpendicular transverse elements 21 for the transmission of a torque, which transverse elements are provided such that they go into mesh with one another like a zipper - regarding turns of said coil spring that run above one another. Thus, pCllEP9~,10~61 AS ORIGINALLY FILED
this coil spring can follow said bottom end axially in height as said twisting of said supply container progresses without losing the capability to transmit the required torque. Correspondingly, it is not necessary to form said bottom end 5 of said supply container with an adapted length (bar section 6). Fig. 9 shows a condition in which said supply container already shows a certain shortening. An upper end of said coil spring 20 rests against a rotational stop in the bottom of said supply bag 2 and a lower end is fixed -to said handling piece 14. This is not shown in detail.
Fig. 10 shows another embodiment of the dispenser of the invention, wherein a twisting of said supply bag 2 is achieved by said housing 3 exerting axial pressure to a bottom part 29 against a pressure spring 30. In this embodiment, a screw 32 runs into a nut 31 at said bottom 29.
At the position 24c, said screw 32 is fixed to a rotation sleeve 24, in which a catch 26, which is connected to said supply bag 2, is mounted axially movably. Via the rotation of said rotation sleeve 24 and said catch 26, turning said screw 32 causes said supply bag 2 to twist. The thus resulting shortening of said supply bag 2 causes said catch 26 to move upwardly within said rotation sleeve 24.
The dispenser of Figure 10 comprises a lid 22. A flange 27 comprising a slanted lateral outlet pipe 13 is located at the upper part of said supply bag 2. Said outlet pipe 13 is mounted in corresponding openings in the lid 22 and the dispenser housing 3 and thus prevents the bag flange 27 from rotating within said dispenser. In the waiting position of said dispenser 1 as shown in Figure 10, the opening of said outlet pipe 13 is closed by means of a flap 23. Said flap 23 is connected by means of a hinge with a fixed ring 25 inside said dispenser housing 3 and is guided through an opening 3b of said dispenser housing 3.
2166g98 PCI/EP9~/0~61 AS ORlGlNALLY FILED
Fig. 11 shows the embodiment of the invention of Fig. 10 without supply bag 2 and without lid 22. The ring 25 is preferably fixed to the bottom 29 via three bars 28. At a circular cross-section of said dispenser, said bars 28 are arranged at an angle distance of 120. They are preferably 12 mm wide. Said bars 28 comprise noses 34, which, in a waiting position, retain said dispenser housing 3 under the pressure of said spring 30 at said bottom 29. Furthermore, said rotation housing 24 is shown. It comprises slots 24a, into which the ends of a bar-shaped catch 26 are inserted via insertion slants 24b.
Fig. 12 shows the embodiment of Fig. 10, wherein said dispenser housing 3 is pushed to the limit to said bottom 29 against the force of said spring 30. During this process, said screw 32 screwed into said nut 31 and caused said supply bag 2 (not shown in this Fig.) to twist. The thread of said screw and nut has a strong lead, preferably 100 mm per rotation. The hoisting height results in the dosage so that said hoisting height is adapted to the substance to be dispensed. Pushing down said dispenser housing 3 causes a movement of said flap 23 relative to the holding part ring 25 standing firmly on said bottom 29. The opening 3b moves downwardly, said flap 23 moves away from the opening of said outlet pipe 13 and substance is released from said supply bag 2. On the other hand, when there is no more pressure exerted, said dispenser housing 3 goes back into the waiting position, touching said noses 34 of said bars 28, due to the pressure exerted by said spring 30. At the same time, said opening 3b lifts up said flap 23 again and thus closes off said outlet pipe 13.
Fig. 13 shows the embodiment of Fig. 12 immediately after said spring 30 has been released. Said nut 31 is in positive engagement with said bottom 29 only in a horizontal direction. Therefore, it was, still screwed onto the screw 32, also lifted upwards by said spring 30. Due to its own weight, said nut 31 then screws off said screw 32 again and PCrlEP9~10~51 AS ORIGINALLY FILED
falls back onto said bottom 29, where it comes into positive engagement again with projections 3la in corresponding recesses 29a at the bottom. Thus, the waiting position of Fig. 10 is achieved again and twisting may be continued by another exertion of pressure releasing more substance from said dispenser.
Figures 14 to 16 show another embodiment of the invention particularly suitable for a stick-shaped product of relatively solid consistency such as a deo stick, adhesive stick or crayon. In this embodiment, said supply bag 2 is connected to a lid 14a by means of a turnable handling piece 14 via a telescope-like holding means 35, 36 allowing the lower end of said supply bag 2 to move vertically upon twisting.
Fig. 14 shows another embodiment of the dispenser 3 of the invention in a waiting position with a closure cap 39 on said dispenser housing 3 and a seal 40. Said supply bag 2 is mounted in a positive engagement with said dispenser by means of said flange 27, said dispenser preferably having an oval cross-section. The lower end of said supply bag 2 comprises a catch 26 engaged in the inside of a catch sleeve 36 by means of hooks 26a. In a waiting position before said dispenser is operated, said hooks 26a reach slightly further into said catch sleeve in order to balance out any tolerances in the dimensions of said bag and/or filling.
Said catch 26 is welded to said bag 2 and with a stabilizing part 26b reaches into said supply bag 2, thus coming into contact with the substance 41 and therefore stabilizing the position of said catch. Said handling piece 14 can be turned by means of a nose 14b behind a projection 3a of said dispenser housing 3 and is preferably engaged slightly resiliently. Thus, said supply bag 2 is prevented from untwisting. A certain tightness in said handling piece 14 may also be achieved by slight fluting in the transition area between said handling piece 14 and said dispenser housing 3.
^ 216~C~
pCTlEP9~/0~'~61 AS ORIGINALLY FILED
Fig. 15 shows the embodiment of the invention of Fig. 14 without cap with said bag 2 not being mounted in its holding part yet. Before inserting it, said bag 2 is preferably covered with a tamper-proof seal 42 (film), which is ripped off upon insertion. Said catch 26 is inserted into a star-shaped toothing 36a in said catch sleeve 36 by means of said hooks 26a, which, as described above and shown in Fig. 14, reach further than said toothing 36a.
Fig. 16 shows the embodiment of the invention of Fig. 14 in the end position of the twisting of the supply bag 2, i.e.
when said substance 41 is completely expelled. At the beginning of the twisting process, said catch 26 is lifted and said hooks 26a engage underneath said star-shaped toothing 36a. During this process, said telescope sleeve 35 and said catch sleeve 36 gradually shift upwardly to the limit stops 38 in grooves 37.
The embodiments of Figures 1 to 16 show supply bags 2 tapering off at their bottom portion for predetermining a preferred site for the beginning of the twisting. In a preferred embodiment, the dispensers are essentially made of plastics.
The features of the invention as disclosed in the above description, in the drawings and the claims may be of importance for the realization of the invention both individually and in any combination. All disclosed features are essential to the invention.
Claims (34)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS.
1. A dispenser (1), in particular for pasty substances, comprising a replaceable supply container (2), which supply container (2) can be emptied by means of twisting, a dispenser housing (3), and a holding part (8, 24, 14) located at a first end of the dispenser housing (3) such that it can be rotated and which can be brought into a detachable engagement with the bottom end (5) of said supply container (3), wherein said supply container (2) is non-rotatably mounted to said dispenser housing (3) in the region of the mouth end (4), characterized in that said holding part (8, 24, 14) comprises at least one axial guiding means (9, 24a, 36), into which said bottom end (5) of said supply container (2) can be inserted upon insertion of the supply container (2) into said dispenser housing (3), and in which said bottom end is held non-rotatably and axially free movably at the holding part (8, 24, 14).
2. The dispenser of claim 1, characterized in that said supply container is a supply bag (2) in the form of a bladder comprising thin foldable walls (2a); and said bottom end (5) comprises an enforcement suitable for the transfer of a torque.
3. The dispenser of any one or several of the preceding claims, characterized in that said bottom end (5) is in the form of a polygonal bar (6).
4. The dispenser of any one or several of the preceding claims, characterized in that said holding part (8) comprises a polygonal socket corresponding to said bottom end (5) of said supply bag (2).
5. The dispenser of any one or several of the preceding claims, characterized in that said mouth end (4) comprises a mouth cap comprising means of positive engagement (10), which mouth cap interacts with said dispenser housing (3) to form a non-rotatable mounting.
6. The dispenser of any one or several of the preceding claims, characterized in that said supply bag (2) substantially comprises several plastic film parts (2a) preferably connected with one another by means of welding.
7. The dispenser of claim 6, characterized in that said mouth cap is injection-molded to said plastic film (2a).
8. The dispenser of claim 6 or 7, characterized in that said bottom end (5) is injection-molded to said plastic film (2a).
9. The dispenser of any one or several of the preceding claims, characterized in that said supply container (2) comprises a taper (7) in the region of said bottom end (5) for predetermining a starting cross-section in twisting.
10. The dispenser of any one or several of the preceding claims, characterized in that said supply bag (2) is twisted by means of a screw (32) turning in a nut (31) when subject to axial pressure or traction.
11. The dispenser of claim 10, characterized in that (a) said supply container is in the form of a supply bag (2) in the form of a bladder comprising thin foldable walls (2a) and is non-rotatably mounted in said dispenser (1), (b) said supply bag (2) comprises a catch (26) at its lower end, (c) said supply bag (2) is twistably guided in a rotation sleeve (24) by means of said catch (26), (d) the lower end of said rotation sleeve (24) is connected to said screw (32), (e) said nut (31) is guided in a guiding cylinder (33) and may be brought into engagement by horizontally positive engagement with the bottom (29) of said dispenser (1), (f) said rotation sleeve (24) is held by said dispenser housing (3), (g) said dispenser housing (3) is biased elastically shiftable against said bottom (29) by means of a pressure spring (30), wherein (h) said twisting of said supply bag (2) results from pressure of said dispenser housing (3) against said bottom (29), and (i) upon releasing said spring (30), said nut (31) is first lifted off said bottom (29) by the screw (32), and, due to its weight, is then turned out of said screw (32) and falls back into the starting position on said bottom (29).
12. The dispenser of claim 11, characterized in that said supply bag (2) comprises a lateral outlet pipe (13) at a flange (27), which outlet pipe (13) is guided through an opening in said dispenser housing (3) and in a lid (22).
13. The dispenser of claim 12, characterized in that said supply bag (2) is non-rotatably mounted in said dispenser (1) by means of said outlet pipe (13).
14. The dispenser of any one of claims 10 to 13, characterized in that in waiting position said outlet pipe (13) is closed by means of a flap (23).
15. The dispenser of claim 14, characterized in that said flap (23) is jointedly arranged at a ring (25) fixed at said bottom (29) between said rotation sleeve (24) and said dispenser housing (3) by means of bars (28) and said flap (23) is guided through an opening (3b) of said dispenser housing (3) so that said flap (23) is opened when said housing (3) is moved towards said bottom (29) and is closed again when said spring (30) is released.
16. The dispenser of claim 15, characterized in that three bars (28) arranged at an angle distance of 120° are provided.
17. The dispenser of claim 15 or 16, characterized in that in waiting position of said dispenser (1) said dispenser housing (3) is held at said bottom (29) by means of noses (34) of said bars (28) under the pressure exerted by said spring (30).
18. The dispenser of any one of claims 11 to 17, characterized in that said catch (26) is guided in slots (24a) of said rotation sleeve (24).
19. The dispenser of claim 18, characterized in that said rotation sleeve (24) comprises insertion slants (24b) for said catch (26).
20. The dispenser of any one or several of the preceding claims, characterized in that said supply container (2) is held telescope-like shiftably on a turnable handling piece (14).
21. The dispenser of claim 20, characterized in that (a) said supply container is in the form of a supply bag (2) in the form of a bladder comprising thin foldable walls (2a) and is non-rotatably held in said dispenser (1), (b) said supply bag (2) comprises a catch (26) at its lower end, (c) said catch (26) is locked into a catch sleeve (36), which is connected with said handling piece (14) via a telescope sleeve (35) and is axially shiftable against the same, and (d) said handling piece (14) is preferably slightly resilient turnably held behind a projection (3a) of said dispenser housing (3) by means of a nose (14b).
22. The dispenser of claim 21, characterized in that said supply bag (2) is held in positive engagement with a flange (27) inside said dispenser housing (3).
23. The dispenser of claim 22, characterized in that said dispenser housing (3) has an oval cross-section.
24. The dispenser of any of claims 20 to 23, characterized in that in waiting position it is closed by a cap (39) comprising a seal (40).
25. The dispenser of any of claims 20 to 24, characterized in that said catch (26) comprises a stabilizing part (26b) protruding into said supply bag (2) and being in contact with said substance (41).
26. The dispenser of any of claims 20 to 25, characterized in that said catch (26) is locked into a star-shaped toothing (36a) of said catch sleeve (36) by means of hooks (26a).
27. The dispenser of any of claims 20 to 26, characterized in that said supply bag (2) is tapered off at its bottom end.
28. The dispenser of any of claims 1 to 27, characterized in that it is made substantially of extruded plastic.
29. A supply bag for a dispenser (1), in particular for pasty substances, preferably a dispenser of one of claims 1 to 28, comprising a supply container area, a mouth end (4) and a bottom end (5), wherein said bottom end (5) comprises an enforcement non-rotatably and axially movably mounted in a guiding means at a holding part, and said mouth end (4) comprises elements for a positive or non-positive engagement for holding said supply bag at a dispenser housing (3).
30. The supply bag of claim 29, characterized in that said bottom end (5) is in the form of a polygonal bar (6) or a catch (26).
31. The supply bag of any one or several of the preceding claims, characterized in that said supply bag (2) substantially, i.e. in its supply area, comprises several plastic film parts (2a), preferably connected with one another by means of welding.
32. The supply bag of any one or several of the preceding claims, characterized in that said mouth end (4) comprises a mouth cap or a flange (27) which is injection-molded to said plastic film (2a).
33. The supply bag of any one or several of the preceding claims, characterized in that said bottom end (5) is an injection-molded plastic part and preferably injection-molded or welded to said plastic film (2a).
34. The supply bag of any one or several of the preceding claims, characterized in that said supply bag (2) comprises a taper (7) in the region of said bottom end (5) for predetermining a starting cross-section in twisting.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4323265.5 | 1993-07-12 | ||
| DE4323265A DE4323265A1 (en) | 1993-07-12 | 1993-07-12 | Dispenser for pasty masses in particular |
| PCT/EP1994/002261 WO1995002549A1 (en) | 1993-07-12 | 1994-07-11 | Dispenser, in particular for pasty substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2166998A1 true CA2166998A1 (en) | 1995-01-26 |
Family
ID=6492591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002166998A Abandoned CA2166998A1 (en) | 1993-07-12 | 1994-07-11 | Dispenser, in particular for pasty substances |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0707554B1 (en) |
| JP (1) | JPH08512270A (en) |
| CN (1) | CN1128523A (en) |
| AT (1) | ATE146150T1 (en) |
| AU (1) | AU7228494A (en) |
| BR (1) | BR9407058A (en) |
| CA (1) | CA2166998A1 (en) |
| DE (2) | DE4323265A1 (en) |
| HU (1) | HU217555B (en) |
| PL (1) | PL176806B1 (en) |
| RU (1) | RU2112726C1 (en) |
| UA (1) | UA25872C2 (en) |
| WO (1) | WO1995002549A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2801040B1 (en) * | 1999-11-17 | 2002-04-26 | Conte | FLUID DISPENSER CONTAINER WITH DEFORMABLE INTERNAL POCKET, AND MANUFACTURING METHOD THEREOF |
| DE10164029B4 (en) * | 2001-12-28 | 2004-07-22 | Sfc Smart Fuel Cell Ag | Device for supplying a device with liquid fuel |
| GB0205354D0 (en) * | 2002-03-07 | 2002-04-24 | Sigmakalon Group B V | Apparatus for pressurising the contents of a bag |
| EP2049414A1 (en) | 2006-02-22 | 2009-04-22 | Sigismund Laskowski | Packaging for storing and dispensing a liquid, viscous or pasty dispensing material |
| FR2923997B1 (en) * | 2007-11-26 | 2010-03-12 | Rexam Reboul | APPLICATION SYSTEM FOR A MILD LIQUID PRODUCT WITH RETRACTABLE APPLICATOR. |
| CN113455801B (en) * | 2021-07-20 | 2023-08-29 | 广东圣威玻璃科技有限公司 | Cosmetic packaging bottle convenient to absorb and thoroughly clean to use |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB495856A (en) * | 1936-02-14 | 1938-11-21 | Andre Henri Samzun | Deformable tube |
| US2203313A (en) * | 1938-09-07 | 1940-06-04 | Percy M Thorn | Dispensing container |
| DE1536042A1 (en) * | 1965-11-09 | 1969-10-23 | Claude Fiquet | Container insertable cartridge and method for making the same |
| DE2638328A1 (en) * | 1976-08-25 | 1978-03-02 | Henkel Kgaa | Dispenser for pastes and liquids - has inner flexible container attached between outlet and rotatable bottom of outer container |
| FR2690674B1 (en) * | 1992-04-30 | 1996-01-26 | Oreal | PRODUCT DISPENSER WITH DEFORMABLE POCKET. |
-
1993
- 1993-07-12 DE DE4323265A patent/DE4323265A1/en not_active Withdrawn
-
1994
- 1994-07-11 UA UA96010144A patent/UA25872C2/en unknown
- 1994-07-11 AT AT94921639T patent/ATE146150T1/en not_active IP Right Cessation
- 1994-07-11 PL PL94312504A patent/PL176806B1/en unknown
- 1994-07-11 BR BR9407058A patent/BR9407058A/en not_active Application Discontinuation
- 1994-07-11 JP JP7504332A patent/JPH08512270A/en active Pending
- 1994-07-11 EP EP94921639A patent/EP0707554B1/en not_active Expired - Lifetime
- 1994-07-11 HU HU9503847A patent/HU217555B/en not_active IP Right Cessation
- 1994-07-11 DE DE59401280T patent/DE59401280D1/en not_active Expired - Fee Related
- 1994-07-11 CN CN94192760A patent/CN1128523A/en active Pending
- 1994-07-11 WO PCT/EP1994/002261 patent/WO1995002549A1/en active IP Right Grant
- 1994-07-11 AU AU72284/94A patent/AU7228494A/en not_active Abandoned
- 1994-07-11 RU RU96102847A patent/RU2112726C1/en active
- 1994-07-11 CA CA002166998A patent/CA2166998A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO1995002549A1 (en) | 1995-01-26 |
| HUT73389A (en) | 1996-07-29 |
| AU7228494A (en) | 1995-02-13 |
| ATE146150T1 (en) | 1996-12-15 |
| EP0707554A1 (en) | 1996-04-24 |
| RU2112726C1 (en) | 1998-06-10 |
| HU9503847D0 (en) | 1996-02-28 |
| CN1128523A (en) | 1996-08-07 |
| UA25872C2 (en) | 1999-02-26 |
| PL176806B1 (en) | 1999-07-30 |
| DE4323265A1 (en) | 1995-02-16 |
| EP0707554B1 (en) | 1996-12-11 |
| BR9407058A (en) | 1996-08-13 |
| PL312504A1 (en) | 1996-04-29 |
| JPH08512270A (en) | 1996-12-24 |
| DE59401280D1 (en) | 1997-01-23 |
| HU217555B (en) | 2000-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |