GB1513808A - Intumescant sheet material - Google Patents

Intumescant sheet material

Info

Publication number
GB1513808A
GB1513808A GB44438/75A GB4443875A GB1513808A GB 1513808 A GB1513808 A GB 1513808A GB 44438/75 A GB44438/75 A GB 44438/75A GB 4443875 A GB4443875 A GB 4443875A GB 1513808 A GB1513808 A GB 1513808A
Authority
GB
United Kingdom
Prior art keywords
sheet material
fibre
organic binder
intumescent sheet
inorganic fibrous
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
GB44438/75A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1513808A publication Critical patent/GB1513808A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D21H5/18—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of inorganic fibres with or without cellulose fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • B32B19/045—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • B32B19/046—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/06—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/002—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising natural stone or artificial stone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/06—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • D21H13/36—Inorganic fibres or flakes
    • 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
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/44—Flakes, e.g. mica, vermiculite
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/34—Ignifugeants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • F01N3/2857—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets being at least partially made of intumescent material, e.g. unexpanded vermiculite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56—Damping, energy absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B32B2317/122—Kraft paper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • F01N2350/04—Fitting ceramic monoliths in a metallic housing with means compensating thermal expansion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Laminated Bodies (AREA)
  • Catalysts (AREA)
  • Paper (AREA)
  • Sealing Material Composition (AREA)

Abstract

1513808 Intumescent sheet material MINNESOTA MINING & MFG CO 28 Oct 1975 [4 Nov 1974] 44438/75 Addition to 1476183 Heading D2B [Also in Divisions B1 and B5] A flexible intumescent sheet material comprises from 30 to 75% by wt. expandable mica, 20 to 65% by wt. inorganic fibrous material and 5 to 20% of an organic binder, the sheet having a bulk density when dry of at least 0.5 g/ml. The expandable mica may be an unexpanded vermiculite ore. The inorganic fibrous material may be asbestos, soft glass fibre, zirconia-silica fibre, crystalline alumina whiskers, or aluminosilicate fibre. The organic binder may be a natural rubber, styrene-butadiene, butadieneacrylonitrile, acrylate or methacrylate latex. The sheet may be made by a papermaking method. Flocculants e.g. alum, acid or alkali may be used in such a method. The intumescent sheet material is used as a packing in positioning car exhaust gas catalyst supports in containers.
GB44438/75A 1974-11-04 1975-10-28 Intumescant sheet material Expired GB1513808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52067574A 1974-11-04 1974-11-04

Publications (1)

Publication Number Publication Date
GB1513808A true GB1513808A (en) 1978-06-07

Family

ID=24073615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44438/75A Expired GB1513808A (en) 1974-11-04 1975-10-28 Intumescant sheet material

Country Status (4)

Country Link
JP (2) JPS5169507A (en)
CA (1) CA1042587A (en)
DE (1) DE2549223C2 (en)
GB (1) GB1513808A (en)

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030123A1 (en) * 1979-11-28 1981-06-10 Minnesota Mining And Manufacturing Company Intumescent sheet material
EP0043679A1 (en) * 1980-07-04 1982-01-13 T&N Materials Research Limited Flexible sheet material
EP0044130A1 (en) * 1980-07-11 1982-01-20 Imperial Chemical Industries Plc Foamed plastics laminates
EP0244964A1 (en) * 1986-05-09 1987-11-11 T&N Materials Research Limited Manufacture of flexible intumescent sheet
US5008086A (en) * 1988-10-28 1991-04-16 Minnesota Mining And Manufacturing Company Erosion resistant mounting composite for catalytic converter
GB2261829A (en) * 1991-11-28 1993-06-02 Rover Group Support for a catalytic material
US5384188A (en) * 1992-11-17 1995-01-24 The Carborundum Company Intumescent sheet
US5523059A (en) * 1995-06-30 1996-06-04 Minnesota Mining And Manufacturing Company Intumescent sheet material with glass fibers
US5580532A (en) * 1993-04-22 1996-12-03 Unifrax Corporation Mounting mat for fragile structures such as catalytic converters
US5686039A (en) * 1995-06-30 1997-11-11 Minnesota Mining And Manufacturing Company Methods of making a catalytic converter or diesel particulate filter
US5736109A (en) * 1995-06-30 1998-04-07 Minnesota Mining And Manufacturing Company Intumescent sheet material and paste with organic binder
US5853675A (en) * 1995-06-30 1998-12-29 Minnesota Mining And Manufacturing Company Composite mounting system
US5869010A (en) * 1995-06-30 1999-02-09 Minnesota Mining And Manufacturing Company Intumescent sheet material
US7033412B2 (en) 2002-09-30 2006-04-25 Unifrax Corporation Exhaust gas treatment device and method for making the same
US7971357B2 (en) 2004-06-29 2011-07-05 Unifrax I Llc Exhaust gas treatment device and method for making the same
US8071040B2 (en) 2009-09-23 2011-12-06 Unifax I LLC Low shear mounting mat for pollution control devices
US8075843B2 (en) 2009-04-17 2011-12-13 Unifrax I Llc Exhaust gas treatment device
US8211373B2 (en) 2008-08-29 2012-07-03 Unifrax I Llc Mounting mat with flexible edge protection and exhaust gas treatment device incorporating the mounting mat
US8263512B2 (en) 2008-12-15 2012-09-11 Unifrax I Llc Ceramic honeycomb structure skin coating
US8349265B2 (en) 2010-08-13 2013-01-08 Unifrax I Llc Mounting mat with flexible edge protection and exhaust gas treatment device incorporating the mounting mat
US8404187B1 (en) 1998-03-11 2013-03-26 Unifrax I Llc Support element for fragile structures such as catalytic converters
US8524161B2 (en) 2007-08-31 2013-09-03 Unifrax I Llc Multiple layer substrate support and exhaust gas treatment device
US8679415B2 (en) 2009-08-10 2014-03-25 Unifrax I Llc Variable basis weight mounting mat or pre-form and exhaust gas treatment device
US8734726B2 (en) 2009-12-17 2014-05-27 Unifrax I Llc Multilayer mounting mat for pollution control devices
US8765069B2 (en) 2010-08-12 2014-07-01 Unifrax I Llc Exhaust gas treatment device
US8926911B2 (en) 2009-12-17 2015-01-06 Unifax I LLC Use of microspheres in an exhaust gas treatment device mounting mat
US8951323B2 (en) 2009-09-24 2015-02-10 Unifrax I Llc Multiple layer mat and exhaust gas treatment device
US9120703B2 (en) 2010-11-11 2015-09-01 Unifrax I Llc Mounting mat and exhaust gas treatment device
US9174169B2 (en) 2009-08-14 2015-11-03 Unifrax I Llc Mounting mat for exhaust gas treatment device
US9452719B2 (en) 2015-02-24 2016-09-27 Unifrax I Llc High temperature resistant insulation mat
US9816420B2 (en) 2009-12-17 2017-11-14 Unifrax I Llc Mounting mat for exhaust gas treatment device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1604908A (en) * 1977-08-08 1981-12-16 Minnesota Mining & Mfg Flexible intumescent sheet material with fired strength
JPS5921565A (en) * 1982-07-13 1984-02-03 ニチアス株式会社 Packing for industrial furnace
JPS59128253A (en) * 1983-01-11 1984-07-24 株式会社　ノザワ Freeze resisting and melting asbestos cement product
JPS60103064A (en) * 1984-09-05 1985-06-07 株式会社クラレ Manufacture of soundproof material containing recollected ferrite
WO1986006089A1 (en) * 1985-04-17 1986-10-23 Dainichi Nihon Densen Kabusikikaisha Filler composition and process for its production
CA1333822C (en) * 1986-11-07 1995-01-03 Robert S. Beyersdorf Latex compositions useful as binders in composite board having dimensional stability and strength
US4775586A (en) * 1987-02-17 1988-10-04 Armstrong World Industries, Inc. Paper, paper products, films composites and other silicate-polymer, construction materials
JP2555256Y2 (en) * 1991-08-01 1997-11-19 文男 東條 Sheet thickness measuring device

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030123A1 (en) * 1979-11-28 1981-06-10 Minnesota Mining And Manufacturing Company Intumescent sheet material
US4305992A (en) 1979-11-28 1981-12-15 Minnesota Mining And Manufacturing Company Intumescent sheet material
EP0043679A1 (en) * 1980-07-04 1982-01-13 T&N Materials Research Limited Flexible sheet material
US4363847A (en) 1980-07-04 1982-12-14 Amfu Limited Flexible sheet material
EP0044130A1 (en) * 1980-07-11 1982-01-20 Imperial Chemical Industries Plc Foamed plastics laminates
EP0244964A1 (en) * 1986-05-09 1987-11-11 T&N Materials Research Limited Manufacture of flexible intumescent sheet
JPS62268899A (en) * 1986-05-09 1987-11-21 テイ−アンドエヌ　マテリアルズ　リサ−チ　リミテツド Production of paperboard sagging or expanding
US5008086A (en) * 1988-10-28 1991-04-16 Minnesota Mining And Manufacturing Company Erosion resistant mounting composite for catalytic converter
GB2261829B (en) * 1991-11-28 1995-05-03 Rover Group Support for a catalytic material
GB2261829A (en) * 1991-11-28 1993-06-02 Rover Group Support for a catalytic material
US5384188A (en) * 1992-11-17 1995-01-24 The Carborundum Company Intumescent sheet
US5482686A (en) * 1992-11-17 1996-01-09 Lebold; Alan R. Catalytic converter
US5811063A (en) * 1993-04-22 1998-09-22 Unifrax Corporation Mounting mat for fragile structures such as catalytic converters
US5580532A (en) * 1993-04-22 1996-12-03 Unifrax Corporation Mounting mat for fragile structures such as catalytic converters
US5666726A (en) * 1993-04-22 1997-09-16 Unifrax Corporation Method of making a mounting mat for fragile structures such as catalytic converters
US5686039A (en) * 1995-06-30 1997-11-11 Minnesota Mining And Manufacturing Company Methods of making a catalytic converter or diesel particulate filter
US5736109A (en) * 1995-06-30 1998-04-07 Minnesota Mining And Manufacturing Company Intumescent sheet material and paste with organic binder
US5523059A (en) * 1995-06-30 1996-06-04 Minnesota Mining And Manufacturing Company Intumescent sheet material with glass fibers
US5853675A (en) * 1995-06-30 1998-12-29 Minnesota Mining And Manufacturing Company Composite mounting system
US5869010A (en) * 1995-06-30 1999-02-09 Minnesota Mining And Manufacturing Company Intumescent sheet material
US8404187B1 (en) 1998-03-11 2013-03-26 Unifrax I Llc Support element for fragile structures such as catalytic converters
US7033412B2 (en) 2002-09-30 2006-04-25 Unifrax Corporation Exhaust gas treatment device and method for making the same
US7998422B2 (en) 2004-06-29 2011-08-16 Unifrax I Llc Exhaust gas treatment device
US7971357B2 (en) 2004-06-29 2011-07-05 Unifrax I Llc Exhaust gas treatment device and method for making the same
US8182752B2 (en) 2004-06-29 2012-05-22 Unifrax I Llc Exhaust gas treatment device
US8524161B2 (en) 2007-08-31 2013-09-03 Unifrax I Llc Multiple layer substrate support and exhaust gas treatment device
US8211373B2 (en) 2008-08-29 2012-07-03 Unifrax I Llc Mounting mat with flexible edge protection and exhaust gas treatment device incorporating the mounting mat
US8679615B2 (en) 2008-12-15 2014-03-25 Unifrax I Llc Ceramic honeycomb structure skin coating
US8263512B2 (en) 2008-12-15 2012-09-11 Unifrax I Llc Ceramic honeycomb structure skin coating
US9163148B2 (en) 2008-12-15 2015-10-20 Unifrax I Llc Ceramic honeycomb structure skin coating
US8696807B2 (en) 2008-12-15 2014-04-15 Unifrax I Llc Ceramic honeycomb structure skin coating
US8075843B2 (en) 2009-04-17 2011-12-13 Unifrax I Llc Exhaust gas treatment device
US8679415B2 (en) 2009-08-10 2014-03-25 Unifrax I Llc Variable basis weight mounting mat or pre-form and exhaust gas treatment device
US9174169B2 (en) 2009-08-14 2015-11-03 Unifrax I Llc Mounting mat for exhaust gas treatment device
US8071040B2 (en) 2009-09-23 2011-12-06 Unifax I LLC Low shear mounting mat for pollution control devices
US8951323B2 (en) 2009-09-24 2015-02-10 Unifrax I Llc Multiple layer mat and exhaust gas treatment device
US9816420B2 (en) 2009-12-17 2017-11-14 Unifrax I Llc Mounting mat for exhaust gas treatment device
US8734726B2 (en) 2009-12-17 2014-05-27 Unifrax I Llc Multilayer mounting mat for pollution control devices
US8926911B2 (en) 2009-12-17 2015-01-06 Unifax I LLC Use of microspheres in an exhaust gas treatment device mounting mat
US8992846B2 (en) 2010-08-12 2015-03-31 Unifrax I Llc Exhaust gas treatment device
US8765069B2 (en) 2010-08-12 2014-07-01 Unifrax I Llc Exhaust gas treatment device
US8349265B2 (en) 2010-08-13 2013-01-08 Unifrax I Llc Mounting mat with flexible edge protection and exhaust gas treatment device incorporating the mounting mat
US9120703B2 (en) 2010-11-11 2015-09-01 Unifrax I Llc Mounting mat and exhaust gas treatment device
US9452719B2 (en) 2015-02-24 2016-09-27 Unifrax I Llc High temperature resistant insulation mat

Also Published As

Publication number Publication date
JPS6296581A (en) 1987-05-06
CA1042587A (en) 1978-11-14
JPS6238397B2 (en) 1987-08-18
DE2549223A1 (en) 1976-05-06
JPS5169507A (en) 1976-06-16
DE2549223C2 (en) 1984-01-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940829