GB776967A - Permeable body with extendable layers and conically increasing permeability - Google Patents

Permeable body with extendable layers and conically increasing permeability

Info

Publication number
GB776967A
GB776967A GB1252252A GB1252252A GB776967A GB 776967 A GB776967 A GB 776967A GB 1252252 A GB1252252 A GB 1252252A GB 1252252 A GB1252252 A GB 1252252A GB 776967 A GB776967 A GB 776967A
Authority
GB
United Kingdom
Prior art keywords
layers
layer
permeability
extendable
jigging
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
GB1252252A
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.)
Individual
Original Assignee
Individual
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
Priority to BE531807D priority Critical patent/BE531807A/xx
Application filed by Individual filed Critical Individual
Priority to GB1252252A priority patent/GB776967A/en
Priority to FR1080806D priority patent/FR1080806A/fr
Priority to GB3093254A priority patent/GB825002A/en
Priority to FR69091D priority patent/FR69091E/fr
Publication of GB776967A publication Critical patent/GB776967A/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
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic 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
    • B01D39/02—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
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/50—Adjustable resistors structurally combined with switching arrangements
    • 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
    • B01D2239/0457—Specific fire retardant or heat resistant properties
    • 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
    • B01D2239/0464—Impregnants
    • 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
    • B01D2239/065—More than one layer present 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
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • 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
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0659—The layers being joined by needling
    • 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
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0668—The layers being joined by heat or melt-bonding
    • 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
    • B01D2239/069—Special geometry of layers
    • B01D2239/0695—Wound layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
GB1252252A 1952-05-17 1952-05-17 Permeable body with extendable layers and conically increasing permeability Expired GB776967A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE531807D BE531807A (xx) 1952-05-17
GB1252252A GB776967A (en) 1952-05-17 1952-05-17 Permeable body with extendable layers and conically increasing permeability
FR1080806D FR1080806A (fr) 1952-05-17 1953-05-16 Corps perméable formant filtre
GB3093254A GB825002A (en) 1952-05-17 1954-10-27 Permeable body with variably permeable layers and conically increasing permeability
FR69091D FR69091E (fr) 1952-05-17 1955-10-27 Corps perméable formant filtre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1252252A GB776967A (en) 1952-05-17 1952-05-17 Permeable body with extendable layers and conically increasing permeability

Publications (1)

Publication Number Publication Date
GB776967A true GB776967A (en) 1957-06-12

Family

ID=10006139

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1252252A Expired GB776967A (en) 1952-05-17 1952-05-17 Permeable body with extendable layers and conically increasing permeability
GB3093254A Expired GB825002A (en) 1952-05-17 1954-10-27 Permeable body with variably permeable layers and conically increasing permeability

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3093254A Expired GB825002A (en) 1952-05-17 1954-10-27 Permeable body with variably permeable layers and conically increasing permeability

Country Status (3)

Country Link
BE (1) BE531807A (xx)
FR (2) FR1080806A (xx)
GB (2) GB776967A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269547A (en) * 1992-07-31 1994-02-16 Toyo Boseki Air filter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418008A1 (fr) * 1978-02-22 1979-09-21 Godefroy Raymond Nouveau filtre composite avec pare-etincelles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269547A (en) * 1992-07-31 1994-02-16 Toyo Boseki Air filter
GB2269547B (en) * 1992-07-31 1995-11-22 Toyo Boseki Filter for air cleaning

Also Published As

Publication number Publication date
GB825002A (en) 1959-12-09
FR69091E (fr) 1958-09-22
BE531807A (xx)
FR1080806A (fr) 1954-12-14

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