FR2385432A1 - Procede pour le traitement des matieres de filtration pour les masques contre la poussiere ou analogues - Google Patents
Procede pour le traitement des matieres de filtration pour les masques contre la poussiere ou analoguesInfo
- Publication number
- FR2385432A1 FR2385432A1 FR7808876A FR7808876A FR2385432A1 FR 2385432 A1 FR2385432 A1 FR 2385432A1 FR 7808876 A FR7808876 A FR 7808876A FR 7808876 A FR7808876 A FR 7808876A FR 2385432 A1 FR2385432 A1 FR 2385432A1
- Authority
- FR
- France
- Prior art keywords
- treatment
- similar
- filtration materials
- against dust
- masks against
- 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
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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
-
- 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
- B01D39/1669—Cellular material
- B01D39/1676—Cellular material of synthetic origin
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filtering Materials (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Procédé pour le traitement des matières de filtration. Le procédé selon l'invention comporte l'imprégnation d'une matière de filtration telle qu'un feutre ou une bande non tissée en fibres naturelles ou synthétiques avec une solution d'une résine synthétique, l'élimination par pressage de la solution en excédent, le séchage de la matière de filtration, et ensuite le traitement équivalant à un tannage par un procédé mécanique. Convient en particulier pour des masques de protection contre la poussière.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3499777A JPS53119478A (en) | 1977-03-29 | 1977-03-29 | Method of treating a filtering material for guard masks |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2385432A1 true FR2385432A1 (fr) | 1978-10-27 |
FR2385432B1 FR2385432B1 (fr) | 1984-01-13 |
Family
ID=12429767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7808876A Granted FR2385432A1 (fr) | 1977-03-29 | 1978-03-28 | Procede pour le traitement des matieres de filtration pour les masques contre la poussiere ou analogues |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS53119478A (fr) |
DE (1) | DE2811790A1 (fr) |
FR (1) | FR2385432A1 (fr) |
GB (1) | GB1598963A (fr) |
NL (1) | NL7803320A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56107073A (en) * | 1980-01-22 | 1981-08-25 | Teijin Ltd | Improved all aromatic polyamide fiber and cloth |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2514145A (en) * | 1946-03-29 | 1950-07-04 | Felters Company | Filter material |
US3062378A (en) * | 1959-03-30 | 1962-11-06 | Southwick W Briggs | Filter element and method |
CH421905A (de) * | 1964-02-20 | 1966-10-15 | Flodins Industri Ab | Verfahren und Einrichtung zur Herstellung von Aerosolfiltern |
US3850600A (en) * | 1973-07-05 | 1974-11-26 | Mine Safety Appliances Co | Filter media |
-
1977
- 1977-03-29 JP JP3499777A patent/JPS53119478A/ja active Pending
-
1978
- 1978-03-17 DE DE19782811790 patent/DE2811790A1/de not_active Ceased
- 1978-03-22 GB GB1128278A patent/GB1598963A/en not_active Expired
- 1978-03-28 FR FR7808876A patent/FR2385432A1/fr active Granted
- 1978-03-29 NL NL7803320A patent/NL7803320A/xx not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2514145A (en) * | 1946-03-29 | 1950-07-04 | Felters Company | Filter material |
US3062378A (en) * | 1959-03-30 | 1962-11-06 | Southwick W Briggs | Filter element and method |
CH421905A (de) * | 1964-02-20 | 1966-10-15 | Flodins Industri Ab | Verfahren und Einrichtung zur Herstellung von Aerosolfiltern |
US3850600A (en) * | 1973-07-05 | 1974-11-26 | Mine Safety Appliances Co | Filter media |
Also Published As
Publication number | Publication date |
---|---|
NL7803320A (nl) | 1978-10-03 |
GB1598963A (en) | 1981-09-30 |
FR2385432B1 (fr) | 1984-01-13 |
JPS53119478A (en) | 1978-10-18 |
DE2811790A1 (de) | 1978-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE877907A (fr) | Procede de traitement de matieres fibreuses textiles | |
ES485451A1 (es) | Perfeccionamientos en las instalaciones para tratar desechosde papel de baja calidad | |
ES539454A0 (es) | Medio de cultivo para plantas. | |
ATE272743T1 (de) | Einführung von faserfreiem schaum in oder in der nähe eines stoffauflaufkasten während eines schaumherstellungsverfahren für papierbahnen | |
BR9711787A (pt) | Composi-Æo para acabamento de tecido processos para preparar um precursor de t-xtil e para tornar m¡crobiocida um t-xtil e um precursor de t-xtil precursor de t-xtil e material t-xtil | |
FR2443886B1 (fr) | Procede et appareil de trefilage comportant une roue ou tambour a fente travaillant sur 180o environ | |
ATE137T1 (de) | Thermoplastische chemiewerkstoffe und verfahren zu ihrer herstellung. | |
BR8002843A (pt) | Processo para o tingimento por impregnacao de texteis em forma de faixa, constituidos de fibras de celulose ou contendo as mesmas | |
ATE87673T1 (de) | Verfahren und krempel zur vliesherstellung aus fasermaterial. | |
BR8107192A (pt) | Compostos azoicos hidrossoluveis,processo para sua producao,e processo para o tingimento ou a estampagem de material fibroso contendo grupos hidroxi ou grupos carbonamida,ou de couro | |
SE8006566L (sv) | Forfarande och anordning for tvettning av fibermassa | |
FR2385432A1 (fr) | Procede pour le traitement des matieres de filtration pour les masques contre la poussiere ou analogues | |
FR2344669A1 (fr) | Appareil pour desagglutiner les fibres de suspensions de matieres fibreuses, notamment pour la preparation de melanges de vieux papier | |
DE69702388D1 (de) | Absorbierendes zellstoffhaltiges material und verfahren zur herstellung | |
FR2359239A1 (fr) | Matiere fibreuse pour le traitement des emulsions et son procede de preparation | |
DE69034074D1 (de) | Verfahren zur Herstellung von Benzodifuranon-Verbindungen, geeignet zum Färben oder Bedrucken von hydrophobem Fasermaterial | |
DE59004576D1 (de) | Verfahren zum Herstellen eines geformten Bauelements. | |
SU705010A1 (ru) | Способ увлажнени волокнистого материала | |
DE59812524D1 (de) | Verfahren zur Behandlung von Wolle enthaltenden Geweben, insbesondere Kleidungsstücken | |
SE8602059L (sv) | Forfarande och anordning for forlustfri inforing av bindemedel i meneralfibermattor | |
FR2406688A1 (fr) | Procede de finissage d'etoffes contenant au moins une certaine proportion de fibres hydrophiles et appareil pour sa mise en oeuvre | |
GB190819594A (en) | Improvements in and relating to Fleece Dividing and Condensing Apparatus for Treating Textile Materials such as Tow Waste. | |
SU1395700A1 (ru) | Способ разработки войлочного лоскута и обрези в восстановленную шерсть | |
FR2615537B1 (fr) | Procede de traitement de matieres textiles filiformes | |
SU145540A1 (ru) | Способ получени искусственной кожи |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
DL | Decision of the director general to leave to make available licences of right | ||
ST | Notification of lapse |