GB2210810A - Apparatus for the separation of the constituent components of liquid solutions and gaseous mixtures and a process for producing the apparatus - Google Patents
Apparatus for the separation of the constituent components of liquid solutions and gaseous mixtures and a process for producing the apparatus Download PDFInfo
- Publication number
- GB2210810A GB2210810A GB8823458A GB8823458A GB2210810A GB 2210810 A GB2210810 A GB 2210810A GB 8823458 A GB8823458 A GB 8823458A GB 8823458 A GB8823458 A GB 8823458A GB 2210810 A GB2210810 A GB 2210810A
- Authority
- GB
- United Kingdom
- Prior art keywords
- housing
- resin
- fitting
- closing
- capillary
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 9
- 238000000926 separation method Methods 0.000 title claims description 7
- 239000000470 constituent Substances 0.000 title claims description 6
- 239000006193 liquid solution Substances 0.000 title claims description 5
- 239000008246 gaseous mixture Substances 0.000 title description 4
- 239000011347 resin Substances 0.000 claims description 43
- 229920005989 resin Polymers 0.000 claims description 43
- 210000001601 blood-air barrier Anatomy 0.000 claims description 33
- 239000012528 membrane Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims 1
- 238000004804 winding Methods 0.000 description 8
- 238000000108 ultra-filtration Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 241000396377 Tranes Species 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001517310 Eria Species 0.000 description 1
- 102100025494 Intersectin-1 Human genes 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 108010079515 intersectin 1 Proteins 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/0233—Manufacturing thereof forming the bundle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/022—Encapsulating hollow fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/031—Two or more types of hollow fibres within one bundle or within one potting or tube-sheet
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- External Artificial Organs (AREA)
Description
2210810 Apparatus for the separation of the constituent components of
liquid solutions and gaseous mixtures and a process for producing the apparatus The invention concerns apparatus for the separation of the constituent components of liquid solutions and gaseous r,Lxtures and a process for producing the apparatus.
Capillary membranes arranged in a sealed housing are 5 used to separate, concentrate, handle etc. the constituent components of solutions or gaseous mixtures, the membranes expediently operating on the basis of ultra-filtration, microfiltration, dialysis, gas diffusion c- reverse os=sis. These devices are connected to suitable fittings of material separating devices. In the course of causing the fluid to flow through the capillary membrane the components separating fro77 the solutilon or gaseous r. Lxture ray be rer,,cve--R via. laterally extending outlets l iro- the The lateral alsc enable the housing and the cap--' llary membranes to be cleaned an-.: sterili sed.
Swiss Pa-lent Sp e c 1 f i c at i_ c,--. N. 65C,C9E describes a construction where-in the arrarge-.en-- c-' the cap-'lla-v rne7.tra:-,es takes pla:e by means ef a complicated winding As a result, the capillary ne7'--rane- '1-21a-ents take up T-.,-,tually intersectin 1. g loop forrs and make up, a cap--"l'l'ary mertrane bundle of a shane rese-.,blinL- aelliptica2 bodv of rotation. For such a wInding technology one needs complicated and expensive apparatus s-ir-.-lar to winding machilnes used in the textile industry. A further disadvantage is that th-Js technology may be used only 'th capillary nembranes of suitable rigidity.
European Patent Specification Nc. 0,170,354 describes apparatus in which an ordered capillary membrane bundle is sealingly journalled in a closed housing. Good sealing is assured by arranging the can-lilary tube membranes in an. ordered bundle bound to the internal isa.'1 c-' the hous.ng and to the casing by means oil a 3. '- "r-'xing resi4.-. A diadvantage of this solutlon is that the resin which is suitable for approprilazely binding w.-th the mater-lal 2 of the cazillary tube membranes as well as with the material of the internal wall of the housing may net be availlat2e in certain cases because of the gI'ven chc---"ce c-,4" ma-:eria"-.--- or may only be assured very expensively.
it is a common charactdristic of the kno,,.,,r. solutions that the sealed arrangement of the capillary membranes in the housing is. assured by hermetically and permanently sealing the res'n fi-ttings journalling the capillary membranes to the internal wall of the housing.
As the application technology widens, especially for the good and pharmaceutical industries and for therapeutic applica tions, increased demands have arisen w-:th regard to the materials of the material separating devIces. The material of the housing accommodating an ultra-filtration capillary membrane bundle must it-self satisfy higher requirements. Hence frequently very e=ensive materials, such as stainless steel, must be used for the housing whIch also involves high costs in machining that material. At the same time, in many fields of application, e.g. in haemod-ia-.y4-=.-is, the ca,-,.; L'Llary membranes may only be used once.
21 A verv saving of cost could be achieved if the construe- r," w:-,.jld a^-'::w th.e ca-,-.l-'lary t on ute membranes to be exchanged Irepia2ea no', PGss---le wit'--. known s,ut-ons. After us-'n2 i-nis is 1, - L up. the ca-'!-'ar-i, -,em-ranies 'he w-jc'e device beco:-..e:-: Unusable.
1--n air. of the present 4.nven-c---on is to el-n-4ra-leer rc--,.;----e Ce drawbacks of know:-, and t,- provide a construc tion where the orderly fixing of 'he capillary membranes may be realised Jr, a relatively simple manner and in which the used-up illary membrane bundle can be exchanged or replaced while c a:: -LA rel,a.-n-Ln; the casing -.f the device.
lo solve the above task we have forr..ed apparatus for the separation of the constituent components of liquid solutions and gaseous mIxtures comprising a cyl--"ndr.4cal housIng open at bc-th end s an J Prov. ded w.. ; a 1 atera! inI et ard,,'or c-.; tl e t coun ng w-ere:r. a ca-,.4-1-1arv me.trane bundle is arranged in the housing by beinp ournale-- in resin fittings wn-,--. sealingly close the ozen endS c- ' th-e housIng, and wherein according to the -'nve-t-.'cn the resin fittings consist of a securing fitting w-ch gathers the ends of the capillary ner.-.branes into an orderly b,-,ndle and a closing fitting is formed around the- securing fitting at the end of the housing, wherein the closing fitting is formed in a shape-locking manner with the internal wall of IE-he housing while at the same time being axially relatively displaceable in relation to the housing, and the sealed closure of the housing is assured by a sealing ring seated in an annular groove formed in the internal wall of the housing between the closing fitting and the internal wall of the housing.
The closing fitting sealinp-ly surrounds the internal securtng fitting.
Expediently, the sealing rings assuring the sealed closure between the closing fit-II--inR and the internal wall of the housing are formed as rings with an 0-shaped cross-section.
Annular grooves machined into the internal wall of the housing and seating respp-2".2ve sealing rings are in this case formed with a ex-,e,-.ded or ta-.er--"nlr, towards the end of t-he housing.
T'-i. conf-'z--,a:'on pro7.otes rea-"sa-,-on of a relialA L e seal 2C, when the closing is pushed n while at t,r.e sa-e time the closing -.f'--'t-Ling to be pus'ned cu- by exerting pressure fro- the inside o-j-wardly.
Te produce the apparatus accord.4ng to the -Jnv=-nt-ion we have e.la.-.orale--' the following process:
To forr, an orderly capillary membrane bundle, a capillary membrane in the form of a continuous filament is applied to a feed dru:. fror. where it is wound on a win--nF- reel having an ordered profile, expediently a profile of seni-circular cross section, while at the same time at predetermined sections and along predetermined lengths the capillary membranes are coated with a resin which forms the material of the securing fitting. In this way we fix the orderly relative postions of the turns and or, attaining the prescribed nur.ber of turns we form the the s e ct: r -1 n c fitting- journalling or em., b e dd i n F- th e car: _ 11 ary me-.tranes. Thereafer the bundle wound on the w4-nd-Ing body or reel is cui at the centre lines of the resin-coated sections 4 and in this way we obtain orderly capillary membrane tundles consistIng of capillary rier.'-r-=nes journalled at both of their ends in securing fittings. Thereafter the open ends of the capillary membranes are closed by being immersed in resin to form resin caps. When the sealing resin has hardened the capillary membrane bundle is gui-ded into a tube-like cylindrical housing the open ends of which are closed by closing fittings formed around the securing fittings. The closing fittings are formed by casting resin around them in such a manner that the resin sealingly closes around the securing fitting while at the same time cannot bind or adhere to the internal wall of the housing. The separation of the resin forming the closing fittings from the internal wall c IC the housing is achieved expediently either by a suitable choice of the resIn or by applying a suitable mould releasing agent to the internal wall of the housing. Thus the material of the closure to the internal wall of the housing in a shape-locking manner w'tlic-u-. however a.4he--L,-p- to it. A seal between the closing fitting a---' the inter-na_ wall of the housing is- assured by sealing rings.
Aft-er sea-'Jngl.y arranging the capillary r,,e,-:trane bundle in the hcusing both end--- of the capillary membrane bundle are severed un--'----n-atk, the- closure resin caps in desired lenRt'-s t-7ether w-i--"- sections c. f t- h e c yll i n d r i c a I hous-Ing, the closing fitting and. the securing As will be clear fror the the construction a--cording to the invention makes -tt possible to rerAr::.ve the ordered capillary membrane bundle journalled in resin fittings and arranged in a sealed manner in the housing. Expediently the removal of the capillary menbrane bundle takes place as follows:
Through the lateral inlet or outlet connection of the cylindrical housing, the capillary tube membrane bundle is cut through by a scalpel, then through a bore drilled into one of the closing a suitable tool, e.g. a long meta! rod, is poked into the interior of the cylindrical housing and by exertinp- an axial force in an outward direction the resin fitt-Lnc.
closing the other end of -he cy--.1i-ndr-teal is pushed c-it.
Then through the end of the cylindr-iccal housing freed in th.'s way an axial force is exerted to push out the other resin 'Litting, also provided with a bore. Thus- the capillary tube membrane can be removed from the cylindrical housing without damaging the 5 latter and so the cylindrical housing may be re-used.
The only requirement made on the material of the resin caps which-close the ends of the capillary membranes during assembly is that the resin should maintain reliable sealing until the final binding of the closure caps.
The resin fixing the capillary tube membranes and forming the securing fitt-ing must assure the fixing cf these membranes in a permanent and reliable manner and must in addition have a viscosity and a binding life which ensure that during winding the capillary membrane filament- to a reel the resin should not flow or drip beyond the desired sect-Ion. Furthermore, the res.4n must achieve a fixinF- which does not deform the internal ercsssection of the can---!-!ary mentranes within te f--"x-ng sections.
The ncs" -reGu--=-ment cf the casting resin, i.e. the resin thall forms the maler-a-', of the closing fitting is that it shou-'d bind appropriately with the material of the securIng fitting wY.-.- at the sa:7e tirne adhesion to 'he irzernal wall oil the housing s'-ould be preventatle.
A preferred embodiment of the invention is further described by way of example only in the accompanyi rig drawings, in which:
Fig.jre 1 is a diagrammatic longitudinal cross-section of a preferred embodiment of apparatus according to the invention; Figure 2 is a diagrammatic illustration of an ordered ultra-filtration capillary membrane bundle used in apparatus according to the invention and shown during the process of its production; Figure 3 is an exemplary cross-section of an ordered ulzra-filtration capillary menbrane bundle; Figure 4 is a fragmentary lonzitudinal section on an enlarged scale of a detail of a preferrei embodiment ef 'he apparatus according to the invention, and Figures 5 to 7 illustrate variants of the winding body or reel utilised in the production of the ordered ultra-f il t-ration capillary membrane bundle according to the invention.
As may be seen from Figure 1, the apparatus according to the invention has a tube-like cylindrical housing 2 provided with lateral couplings 1. The couplings 1 serve for leading away the material components separated during the separation process and also during sterilisation of the apparatus for feeding in and removing cleansing material.
An ordered ultra-filtration capillary membrane bundle formed from capillary membranes 4 is arranged in the cylindrical housing 2. The ends of the capililary membranes 4 are journalled in respective securing fitting 5 formed from resin material. The securing fittings 5 journalling the ends of the capillary membranes 4 also assure an ordered configuration of the membrane bundle.
The open ends of the cylindrical housing 2 are closed by closing fittings 6 formed fron, resin poured around the securing fittings 5. The closIng fit-Lings 6 sealingly adhere to the securing fittings 5 -jn-Jle at the same time the resin cannot bind to the internal wa-11 of the housing. 2. These conditions can be assured by an chc-ice cf the material of the resins andl'or by the application of a nould-rel easing layer on the internal wai, of the cylindrical housing 2.
A sealing rinc- 3 assuring a good seal is arranged between the internal wall of housing 2 and the closing fitting 6. Expediently the seal-Ing ring 3 is seated in an annular groove 11 formed in the internal wall of the housing 2.
As may be seen from Figure 4, the annular groove 11 has a profile which gradually tapers towards the adjacent end of the housing 2. This configuration promotes the formation of a good seal when the closing fitting is slid in while at the sarne time enabling the closing fittling 6 to be axially pushed out from the cylindrical housing 2_.
Ir. Figure 1 we have also shown those parts separated from the device which are required in the technological process 7 of forming the device, and which following the final fixing cf, the capillary membrane bundle and the perfect binding of the resin filling out the closing fitting 6 are destined to be severed together with the ends of the cylindrical housing 2. Previous to the formation of the closing fitting 6, that is to say before casting the resin, the open ends of 'he membranes 4 journalled in the securing fitting 5 are to be he.-me'Llical'Ly sealed. For this purpose resin caps 7 are provided. The resin caps 7 are removed after the final binding of the closing fitting 6 by cutting at the location indicated in Figure 1 by an arrow II the ends of the membranes 4 constitutinú the ultrafiltration capillary membrane bundle underneath the resin caps 7 together with appropriate sections of the cylindrical housing 2, the closure fitting 6 and the securing fitting 5.
As may be seen well lLro77 Figure 4, the closing fitting 6 is form.ed by pouring resin around the securing fitting 5 fror. the end of the cylindrical housing 2 to the Junction wLth the coupling or connecting pipe 1. During the pouring of the resin fill, the res.n caps 7 hermetically seal the ends of the capillary membranes 4.
A closure flange or r-J- 14 is provided on the outer wall of 'he cylindrical housin-c. to enatle the device to be coupled to the fittings of a mater-.al separaing apparatus. A clanping nut 13 is pulled onto the closure flange 14 and with its aid the cylindrical housing 2 can be coupled to an adjoining f,"'41-ing. A sealing ring 12 is provided to seal this coupling between the end of the housing 2 or the end face of the closure flange and the adjoininF_ fitting.
To make the device according to the invention we proceed as shown in Figure 2. The ultra-filtration capillary membrane in the form of a continuous filament is wound on a feeding reel or drum 8. From the drum 8 the membrane filament is rewound to a reel 9 while at predetermined intervals and along lengths a the filament is coated with a resin forming the mater.Ja-' of the securing fitt-in'e. This coating may expediently 'Lake pla2e in 8 turns or in turn-rows. The application of the fixing resin takes place by suitably set nozzles 10 or in given cases manually. The winding surface of the reel 9 is, as shown in Figure 3, expediently of a semi-circular cross-section. In this way the capillary membranes 4 can be gathered to-e'her into a membrane bundle of circular cross-section.
The lengths of the capillary membrane bundles are determined by the distances bet ween the sections of length a. In dependence on the desired length and on the permitted flexure of the capillary membranes differently shaped reels 9 should be used. Figure 5 shows a circular w-nd-ng _ path, Figure 6 shows a hexagonal winding path, and Figure 7 shows reels 9 formed with winding paths having linear runs or sides. The circumference -he desired length of the reel 9 is ex,_ediently a multiple of 41 of the ordered capillary tube membrane bundle.
By means of the process according to the invention an orderly capillary mentrane bundle can be formed from membranes of any quality and thils bundle can be sealingly disposed within a cylindrical housing by means of simple technology. The construction according te the invention enables a useld-up or contani-nated ca---llar-, , nenbrane bundle to be replaced w-Jti-tout destroying 4-h.e 1 cylindrical housi-g and thus the latter ray be muA'-,--D'Ly re-used.
Z 9
Claims (6)
1. Apparatus for the separation ef the constituent components of liquid solutions ard gaseous r.-ix'tures, comprising a cylindrical housing open at both. ends and provided with a lateral inlet and/or outlet coupling, wherein a capillary membrane bundle is journalled in the housing in resin fittings which sealingly close the open ends of the housing, the said resin fittings consisting of a securing fitting which gathers the ends of the capillary membranes into an orderly bundle and a closing fitting formed around the securing fitting at the end of the housing, the said closing fitting being formed in a shape-locking manner with the internal wall of the housing while being at the sarn.e time axially displaceable relative to the housing, and wherein the sealed closure of the housing at each end is assured by a respective sealing ring seated in an annular groove formed in the internal 15, wall of the hous-ing between t-he closing fitting and the internal wall of the housing.
2. Apparatus according to claim 1, wherein a closing fittine is formed at both ends of the housing from the end face to the lateral- inlet or outlet coupling, respectively.
Apparat-,s accord-'ng tc claim 1 or 2, wherein the sealJ.ng rings are formed as rú-'np-s of 0-shapei cross-section seated in said annular grooves which latter have a profile which is tapered or extensed towards the ad,-"acen" end of the housing.
4. A process for forming the apparatus according to claim 1, wherein to form an ordered capillary membrane bundle the membrane is applied as a continuous filament to a feed drun fron where it is wound onto a reel having a regular shaped profile, while at predetermined intervals and p.,redeter,--'Lned lengths the membrane filament is coated with a resin which forms the material of the securing fitting, whereby to fix the relative positions of the turns in an orderly fashion, then on attaining the desired number of turns the bundle wound on the reel is cut at the centre lines of the resin-coated sections, the thus obtained ordered menbrane bundles consisting of capillary membranes journalled at both ends in securing fitt-ings are guide-, to a tube-like - 10 cylindrical housing, the ends of the membranes are closed of--"' at both sides with closing res.n caps, then on hardening of the resin caps a resin forming the material of the closing fitting is cast around the securing fittings so that the resin cannot bind to the internal wall of the housing, then the ends of the membrane bundle are cut beneath the resin caps with the appropriate sections of the cylindrical housing, the closing fitting and the securing fitting.
5. Apparatus according to claim 1, substantially as herein described with reference to and as shown in the accompanying drawings.
6. A process according to claim 4, substantially as herein described with reference to and as shown in the accompanying drawings.
dcn W-= 47F F-.;- ::;.e- rnkv be otta,_ne:! f:,c= 7he Patent 0-,-e Pub,is!,e-l 198p at Ths. paten.
Off::e szat-C Hcuse 66 7,1 1,zr, SLIes Branch. S, Maty Cray. Orpuigtc.Ken. BM 3RD Printed by Muluplex techmques ltd, St Ma--y Cray. Kent. Con. 187.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU874604A HU207491B (en) | 1987-10-13 | 1987-10-13 | Device for separating the components of fluid solutions and gas mixtures and method for forming the device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8823458D0 GB8823458D0 (en) | 1988-11-16 |
| GB2210810A true GB2210810A (en) | 1989-06-21 |
| GB2210810B GB2210810B (en) | 1991-06-05 |
Family
ID=10968428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8823458A Expired - Fee Related GB2210810B (en) | 1987-10-13 | 1988-10-06 | Apparatus for the separation of the constituent components of liquid solutions and gaseous mixtures and a process for producing the apparatus |
Country Status (7)
| Country | Link |
|---|---|
| BG (1) | BG50378A3 (en) |
| CS (1) | CS274439B2 (en) |
| DD (2) | DD285722A5 (en) |
| DE (2) | DE3832416A1 (en) |
| GB (1) | GB2210810B (en) |
| HU (1) | HU207491B (en) |
| PL (1) | PL159877B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530670A1 (en) * | 1991-09-04 | 1993-03-10 | Akzo Nobel N.V. | Procedure for making a hollow yarn bobbin |
| DE19602793C1 (en) * | 1996-01-26 | 1997-09-25 | Schoeller Felix Jun Foto | Recording material for the inkjet printing process |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4039967A1 (en) * | 1990-12-14 | 1992-06-17 | Preussag Anlagenbau | PLANT FOR SEPARATING LIQUID OR GASEOUS MIXTURES |
| SE502103C2 (en) * | 1991-08-01 | 1995-08-14 | Gambro Dialysatoren | Filter unit for transfer of pulp and / or heat containing cavity fibers |
| EP0858827A4 (en) * | 1996-09-02 | 1999-02-24 | Elena Nikanorovna Tkachuk | Membrane element |
| DE19812960C1 (en) * | 1998-03-24 | 1999-11-04 | Kompressoren Und Druckluft Tec | Membrane drying system for compressed air |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0046889A1 (en) * | 1980-08-28 | 1982-03-10 | Akzo GmbH | Device for the transfer of heat and material by hollow fibres |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3401798A (en) * | 1965-01-04 | 1968-09-17 | Dorr Oliver Inc | Cylindrically stacked and spirally configured semi-permeable membrane laminate apparatus |
| DE2150241A1 (en) * | 1970-10-22 | 1973-04-12 | Deutsches Brennstoffinstitut F | Separating gases by permeation - through walls of hollow polymer filaments |
| FR2212166A1 (en) * | 1973-01-02 | 1974-07-26 | Rhone Poulenc Sa | Sepn processes using hollow fibres - spirally wound on core to form cartridge of small cylindrical membranes |
| JPS5263178A (en) * | 1975-11-17 | 1977-05-25 | Toshiba Corp | Gas separation unit |
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| DE3032417C2 (en) * | 1980-08-28 | 1985-08-14 | Akzo Gmbh, 5600 Wuppertal | Device for heat and mass transfer using hollow fibers |
| US4380460A (en) * | 1981-12-21 | 1983-04-19 | Monsanto Company | Gas separation apparatus |
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| DE3338618A1 (en) * | 1983-10-25 | 1985-05-02 | Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht | Gas permeation cell |
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| EP0263212B1 (en) * | 1986-10-08 | 1990-12-27 | Ube Industries, Ltd. | Method for removing water vapor from water vapor-containing gas |
| US4752305A (en) * | 1986-10-30 | 1988-06-21 | The Dow Chemical Company | Device and method for separating individual fluids from a mixture of fluids |
| SE460639B (en) * | 1987-08-31 | 1989-11-06 | Gambro Dialysatoren | DEVICE FOR DIFFUSION AND / OR FILTERING AND PROCEDURE FOR THE PREPARATION OF THE SAME |
-
1987
- 1987-10-13 HU HU874604A patent/HU207491B/en unknown
-
1988
- 1988-09-23 DE DE3832416A patent/DE3832416A1/en active Granted
- 1988-09-23 DE DE8814926U patent/DE8814926U1/de not_active Expired
- 1988-10-06 CS CS666088A patent/CS274439B2/en unknown
- 1988-10-06 GB GB8823458A patent/GB2210810B/en not_active Expired - Fee Related
- 1988-10-10 BG BG85663A patent/BG50378A3/en unknown
- 1988-10-11 DD DD88330467A patent/DD285722A5/en not_active IP Right Cessation
- 1988-10-11 PL PL1988275193A patent/PL159877B1/en unknown
- 1988-10-11 DD DD88320623A patent/DD274768A5/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0046889A1 (en) * | 1980-08-28 | 1982-03-10 | Akzo GmbH | Device for the transfer of heat and material by hollow fibres |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530670A1 (en) * | 1991-09-04 | 1993-03-10 | Akzo Nobel N.V. | Procedure for making a hollow yarn bobbin |
| US5261981A (en) * | 1991-09-04 | 1993-11-16 | Akzo Nv | Production of a hollow filament package |
| DE19602793C1 (en) * | 1996-01-26 | 1997-09-25 | Schoeller Felix Jun Foto | Recording material for the inkjet printing process |
Also Published As
| Publication number | Publication date |
|---|---|
| HUT53026A (en) | 1990-09-28 |
| DE3832416A1 (en) | 1989-05-03 |
| PL275193A1 (en) | 1989-06-12 |
| CS274439B2 (en) | 1991-04-11 |
| PL159877B1 (en) | 1993-01-29 |
| DE8814926U1 (en) | 1989-04-27 |
| GB8823458D0 (en) | 1988-11-16 |
| HU207491B (en) | 1993-04-28 |
| GB2210810B (en) | 1991-06-05 |
| DD285722A5 (en) | 1991-01-03 |
| CS666088A2 (en) | 1990-08-14 |
| DD274768A5 (en) | 1990-01-03 |
| DE3832416C2 (en) | 1992-07-30 |
| BG50378A3 (en) | 1992-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19941006 |