GB1322718A - Filters for filtering gaseous streams - Google Patents

Filters for filtering gaseous streams

Info

Publication number
GB1322718A
GB1322718A GB5294369A GB1322718DA GB1322718A GB 1322718 A GB1322718 A GB 1322718A GB 5294369 A GB5294369 A GB 5294369A GB 1322718D A GB1322718D A GB 1322718DA GB 1322718 A GB1322718 A GB 1322718A
Authority
GB
United Kingdom
Prior art keywords
mesh
layer
layers
annular form
polyethylene
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
GB5294369A
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.)
MARSHALL DA G
Original Assignee
MARSHALL DA G
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 MARSHALL DA G filed Critical MARSHALL DA G
Publication of GB1322718A publication Critical patent/GB1322718A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/44—Joining a heated non plastics element to a plastics element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/486—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by their physical form being non-liquid, e.g. in the form of granules or powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/60—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the intake of internal combustion engines or turbines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)

Abstract

1322718 Filter elements D A G MARSHALL 19 April 1971 [29 Oct 1969] 52943/69 Headings BIT and B1D A gas filter element, particularly for an I.C. engine air intake, comprises a piece of polyurethane foam which is initially flat but is bent into annular form and has its abutting ends joined. The element may have two layers, the outer one having larger pores, and is reinforced by being contained between concentric grids in a housing (Fig. 2, not shown) and by having a supporting mesh bonded thereto. Such a mesh may be of synthetic plastics, which is applied to one layer by passing the layer under a row of extrusion nozzles in two orthogonal directions, then pressing the two layers together so that the resulting mesh 38 bonds them, before bending the layers to annular form. Alternatively, a metal mesh is heated and dipped in polyethylene powder and pressed between two layers or against one layer until the polyethylene hardens. Or the mesh is coated with polyethylene, pressed against the layer(s) and heated by passing electricity. When the layer(s) are bent to annular form, the abutting edges of the reinforcing mesh are secured by wire clips (Fig. 6, not shown), as well as the edges of the foam being bonded together. In inserting the Fig. 1 element in the Fig. 2 housing, the element is compressed axially to ensure end seals.
GB5294369A 1969-10-29 1969-10-29 Filters for filtering gaseous streams Expired GB1322718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5294369 1969-10-29

Publications (1)

Publication Number Publication Date
GB1322718A true GB1322718A (en) 1973-07-11

Family

ID=10465941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5294369A Expired GB1322718A (en) 1969-10-29 1969-10-29 Filters for filtering gaseous streams

Country Status (1)

Country Link
GB (1) GB1322718A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259096A (en) * 1978-01-19 1981-03-31 Nippondenso Co., Ltd. Fuel vapor adsorption type air cleaner element for internal combustion engine
US4265647A (en) * 1979-04-06 1981-05-05 Donachiue James P Air prefilter
US4322230A (en) * 1980-09-08 1982-03-30 Donaldson Company, Inc. Unitized gas-particulate filter and housing
GB2120122A (en) * 1982-05-14 1983-11-30 Marshall D A G Air filter element
GB2131319A (en) * 1982-12-03 1984-06-20 Cosworth Eng Filter element
GB2166367A (en) * 1984-11-02 1986-05-08 Declon Ltd Gel impregnated foam filter element
GB2172814A (en) * 1985-03-26 1986-10-01 Pipercross Ltd Air filter element
US4631077A (en) * 1985-03-26 1986-12-23 Pipercrosslimited Foam plastic air filter
GB2177316A (en) * 1985-06-28 1987-01-21 Dequinre Limited Oil filter element
GB2198967A (en) * 1986-12-22 1988-06-29 Norman John Taylor Screen unit
US5266090A (en) * 1992-09-21 1993-11-30 Dust Free, Inc. Multi-sided air filter with wraparound filter media
GB2296669A (en) * 1994-12-29 1996-07-10 Jang Sun Sing Fume or smoke extractor

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259096A (en) * 1978-01-19 1981-03-31 Nippondenso Co., Ltd. Fuel vapor adsorption type air cleaner element for internal combustion engine
US4265647A (en) * 1979-04-06 1981-05-05 Donachiue James P Air prefilter
US4322230A (en) * 1980-09-08 1982-03-30 Donaldson Company, Inc. Unitized gas-particulate filter and housing
GB2120122A (en) * 1982-05-14 1983-11-30 Marshall D A G Air filter element
GB2131319A (en) * 1982-12-03 1984-06-20 Cosworth Eng Filter element
GB2166367A (en) * 1984-11-02 1986-05-08 Declon Ltd Gel impregnated foam filter element
GB2172814A (en) * 1985-03-26 1986-10-01 Pipercross Ltd Air filter element
US4631077A (en) * 1985-03-26 1986-12-23 Pipercrosslimited Foam plastic air filter
GB2177316A (en) * 1985-06-28 1987-01-21 Dequinre Limited Oil filter element
GB2177316B (en) * 1985-06-28 1989-07-19 Dequinre Limited Filter
GB2198967A (en) * 1986-12-22 1988-06-29 Norman John Taylor Screen unit
US5266090A (en) * 1992-09-21 1993-11-30 Dust Free, Inc. Multi-sided air filter with wraparound filter media
GB2296669A (en) * 1994-12-29 1996-07-10 Jang Sun Sing Fume or smoke extractor
GB2296669B (en) * 1994-12-29 1998-08-05 Jang Sun Sing Fume or smoke extractor

Similar Documents

Publication Publication Date Title
GB1322718A (en) Filters for filtering gaseous streams
US2732031A (en) Combination seal and gasket for end of pleated cartridge
US4699681A (en) Method of making a gas phase permeable filter
US3019854A (en) Filter for heating and air conditioning ducts
GB1367226A (en) Zig-zag paper strip filter element
ES208604U (en) Filtrating cartridge. (Machine-translation by Google Translate, not legally binding)
IL40745A (en) Framed filter elements,especially for air filters
GB1446918A (en) Fluid filters
JPS5238680A (en) Filter member for air filters
KR840001433A (en) Filter aids to support anion exchange resin
GB1083629A (en) Air cleaner
DE3382047D1 (en) DRY POWDER WITH IMPROVED FLOW AND COMPRESSION BEHAVIOR AND METHOD FOR PRODUCING THE COMPOSITION.
GB1518554A (en) Disposable filter element
US2394208A (en) Filter panel and sealing means
GB1533563A (en) Method of joining abutting surfaces of polymeric material
GB1124735A (en) Improvements relating to filters
GB1225751A (en)
GB1045309A (en) Filter cartridges
GB2328888A (en) Conical pleated filter cartridges
GB1188525A (en) Filters for Liquids
US3005516A (en) Air filter
JPS5572950A (en) Ptfe-wrapped gasket
GB1410689A (en) Filter and method of production thereof
GB1266883A (en)
US3492011A (en) Laminated gasket construction

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Free format text: INSERT JOURNAL 5152, PAGE 2922