GB694901A - Air filters - Google Patents

Air filters

Info

Publication number
GB694901A
GB694901A GB7682/51A GB768251A GB694901A GB 694901 A GB694901 A GB 694901A GB 7682/51 A GB7682/51 A GB 7682/51A GB 768251 A GB768251 A GB 768251A GB 694901 A GB694901 A GB 694901A
Authority
GB
United Kingdom
Prior art keywords
wax
dielectric constant
coated
fibres
air filters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB7682/51A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wingfoot Corp
Original Assignee
Wingfoot Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wingfoot Corp filed Critical Wingfoot Corp
Publication of GB694901A publication Critical patent/GB694901A/en
Expired legal-status Critical Current

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
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • 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
    • 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
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • 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
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B01D2239/0478—Surface coating material on a layer of the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Materials (AREA)
GB7682/51A 1950-12-21 1951-04-03 Air filters Expired GB694901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US694901XA 1950-12-21 1950-12-21

Publications (1)

Publication Number Publication Date
GB694901A true GB694901A (en) 1953-07-29

Family

ID=22089331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7682/51A Expired GB694901A (en) 1950-12-21 1951-04-03 Air filters

Country Status (4)

Country Link
BE (1) BE507927A (pt)
DE (1) DE875752C (pt)
FR (1) FR1044748A (pt)
GB (1) GB694901A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727175A1 (de) * 1997-06-26 1999-01-14 Mann & Hummel Filter Luftfilter

Also Published As

Publication number Publication date
FR1044748A (fr) 1953-11-20
BE507927A (pt)
DE875752C (de) 1953-05-07

Similar Documents

Publication Publication Date Title
ES431837A1 (es) Un procedimiento para incorporar material de carga en un material basico que comprende un alginato insoluble.
GB694901A (en) Air filters
GB1085582A (en) Tobacco smoke filters and materials therefor
ES416739A2 (es) Metodo de fabricacion de papel u otro material fibroso no tejido.
ATE92384T1 (de) Herstellung von flachzeug, strip oder band.
SE7514098L (sv) Forfarande for finmalning av cellulosa och/eller derivat derav med etergrupper
JPS52132109A (en) Composition for treating cellulose containing fibrous substance and production thereof
ES237730A1 (es) Perfeccionamientos en y relativos a medios filtrantes
GB1244609A (en) Tobacco smoke filters
GB820786A (en) Improvements in or relating to methods for making filter paper from fibrous materials
GB245049A (en) Improvements in the process of making artificial sponges
GB395918A (en) Improvements in or relating to the filtration of gases
GB390828A (en) A process of filtering gases and fogs
ES8203706A1 (es) Un procedimiento para la fabricacion de material laminar flexible sin amianto
CA480404A (en) Process of manufacturing pulp from cellulosic fibrous materials
GB1239939A (en) Manufacture of reconstituted tobacco products
GB309914A (en) Filtration material for gas masks
SU1172911A1 (ru) Масса дл изготовлени термостойкого материала
GB753485A (en) Sheet material of fibrous cellulose and glass fibrous rovings
GB752287A (en) Improvements in a filter for separating minute particles of matter suspended in a fluid
GB957266A (en) Method of production of a separating layer paper for the ceramic industry
GB999057A (en) Improvements relating to cigarette filters
Hata et al. Differences in Paper Strength due to the Moisture Conditioning Process
GB806161A (en) A new or improved cellulosic wallpaper lining composition
GB637798A (en) Improvements in or relating to gas filter materials