CH661668A5 - Poroese stuetzschicht fuer einen durch anschwemmen gebildeten kieselgur-filterkuchen und verfahren zu deren herstellung. - Google Patents
Poroese stuetzschicht fuer einen durch anschwemmen gebildeten kieselgur-filterkuchen und verfahren zu deren herstellung. Download PDFInfo
- Publication number
- CH661668A5 CH661668A5 CH619/83A CH61983A CH661668A5 CH 661668 A5 CH661668 A5 CH 661668A5 CH 619/83 A CH619/83 A CH 619/83A CH 61983 A CH61983 A CH 61983A CH 661668 A5 CH661668 A5 CH 661668A5
- Authority
- CH
- Switzerland
- Prior art keywords
- fibers
- support layer
- polyolefin fibers
- drying
- native
- Prior art date
Links
- 239000005909 Kieselgur Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 7
- 239000012065 filter cake Substances 0.000 title claims 2
- 239000000835 fiber Substances 0.000 claims description 44
- 229920000098 polyolefin Polymers 0.000 claims description 13
- -1 polyethylene Polymers 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 3
- 230000000877 morphologic effect Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 239000007900 aqueous suspension Substances 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 239000011230 binding agent Substances 0.000 description 6
- 230000008961 swelling Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural origin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
- D21H5/20—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres
- D21H5/202—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres polyolefins
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3204120A DE3204120C3 (de) | 1982-02-06 | 1982-02-06 | Poröse Stützschicht für einen durch Anschwemmen gebildeten Kieselgur-Filterkuchen und Verfahren zu deren Herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH661668A5 true CH661668A5 (de) | 1987-08-14 |
Family
ID=6154985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH619/83A CH661668A5 (de) | 1982-02-06 | 1983-02-03 | Poroese stuetzschicht fuer einen durch anschwemmen gebildeten kieselgur-filterkuchen und verfahren zu deren herstellung. |
Country Status (7)
| Country | Link |
|---|---|
| CH (1) | CH661668A5 (it) |
| DE (1) | DE3204120C3 (it) |
| ES (1) | ES8403736A1 (it) |
| FR (1) | FR2521029B1 (it) |
| GB (1) | GB2115028B (it) |
| IE (1) | IE53885B1 (it) |
| IT (1) | IT1167072B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3802816A1 (de) * | 1988-01-30 | 1989-08-10 | Seitz Filter Werke | Kerzenfoermiges filterelement, filterkerze |
| DE10229291A1 (de) * | 2002-06-29 | 2004-02-05 | E. Begerow Gmbh & Co | Filtermaterial, insbesondere in Form einer Tiefenfilterschicht |
| DE10346256B3 (de) * | 2003-09-24 | 2004-10-21 | E. Begerow Gmbh & Co | Verfahren zum Herstellen eines Filtermaterials |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE494548A (it) * | 1949-03-15 | |||
| CH313369A (de) * | 1951-12-24 | 1956-04-15 | Seitz Werke Gmbh | Verfahren zur Herstellung von Filterkörpern mit erhöhter Festigkeit aus faserförmigen oder körnigen Stoffen |
| GB1362344A (en) * | 1971-07-23 | 1974-08-07 | Gulf Research Development Co | Paper product and process for production thereof |
| GB1411776A (en) * | 1972-11-21 | 1975-10-29 | Mitsubishi Paper Mills Ltd | Method for producing a non-woven fabric |
| US4156628A (en) * | 1976-01-28 | 1979-05-29 | Hercules Incorporated | Preparation of hydrophilic polyolefin fibers for use in papermaking |
| US4084949A (en) * | 1975-11-06 | 1978-04-18 | The Dexter Corporation | Surgical face mask filtering medium |
| IT1074822B (it) * | 1977-01-21 | 1985-04-20 | Montedison Spa | Preparazione di filtri con l'impiego di fibre sintetiche |
| IT1105843B (it) * | 1978-01-13 | 1985-11-04 | Munari Giovanni | Procedimento per la fabbricazione di carta o cartoncino impermeabilizzato e termosaldabile in macchina continua |
| JPS5841083B2 (ja) * | 1978-10-05 | 1983-09-09 | 日産自動車株式会社 | 水溶性切削剤の再生方法 |
| GB2047295B (en) * | 1979-04-19 | 1983-01-06 | Montedison Spa | Separators for lead acid accumulators |
-
1982
- 1982-02-06 DE DE3204120A patent/DE3204120C3/de not_active Expired - Fee Related
-
1983
- 1983-02-03 CH CH619/83A patent/CH661668A5/de not_active IP Right Cessation
- 1983-02-03 GB GB08302913A patent/GB2115028B/en not_active Expired
- 1983-02-04 FR FR8301783A patent/FR2521029B1/fr not_active Expired
- 1983-02-04 IE IE222/83A patent/IE53885B1/en unknown
- 1983-02-04 IT IT47672/83A patent/IT1167072B/it active
- 1983-02-04 ES ES519547A patent/ES8403736A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3204120C3 (de) | 1994-12-22 |
| DE3204120C2 (de) | 1986-03-13 |
| GB2115028A (en) | 1983-09-01 |
| IE830222L (en) | 1983-08-06 |
| IE53885B1 (en) | 1989-03-29 |
| FR2521029B1 (fr) | 1986-01-31 |
| IT1167072B (it) | 1987-05-06 |
| DE3204120A1 (de) | 1983-08-18 |
| GB2115028B (en) | 1985-08-07 |
| ES519547A0 (es) | 1984-04-16 |
| IT8347672A0 (it) | 1983-02-04 |
| ES8403736A1 (es) | 1984-04-16 |
| GB8302913D0 (en) | 1983-03-09 |
| FR2521029A1 (fr) | 1983-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PFA | Name/firm changed |
Owner name: SEITZ-FILTER-WERKE GMBH & CO. |
|
| PL | Patent ceased | ||
| AEN | Scope or validity of the patent modified |
Free format text: DAS PATENT IST AM 04.06.1998 GESTUETZT AUF DAS AM 08.05.1998 EINGEREICHTE WIEDEREINSETZUNGSGESUCH AUF GRUND VON ART. 47 PATG WIEDER IN KRAFT GESETZT WORDEN. |
|
| PL | Patent ceased |