US2746892A - Multi-layer heat insulating material - Google Patents

Multi-layer heat insulating material Download PDF

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Publication number
US2746892A
US2746892A US318628A US31862852A US2746892A US 2746892 A US2746892 A US 2746892A US 318628 A US318628 A US 318628A US 31862852 A US31862852 A US 31862852A US 2746892 A US2746892 A US 2746892A
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United States
Prior art keywords
foils
corrugations
board
heat
heat insulating
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Expired - Lifetime
Application number
US318628A
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English (en)
Inventor
Thore M Elfving
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.)
Isoflex Corp
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Isoflex 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
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Priority to US318628A priority Critical patent/US2746892A/en
Application granted granted Critical
Publication of US2746892A publication Critical patent/US2746892A/en
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Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/146Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers whereby one or more of the layers is a honeycomb structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00Heating, cooling, ventilating, or air-conditioning
    • B61D27/0018Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
    • B61D27/0027Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating for freight cars; Isothermic wagons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00Heating, cooling, ventilating, or air-conditioning
    • B61D27/0072Means for cooling only
    • B61D27/0081Means for cooling only of wagons for transporting refrigerated goods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02Side panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D33/00Superstructures for load-carrying vehicles
    • B62D33/04Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • E04B1/80Heat insulating elements slab-shaped
    • E04B1/806Heat insulating elements slab-shaped with air or gas pockets included in the slab
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/32Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/322Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with parallel corrugations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2309/00Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08Glass
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B2001/7691Heat reflecting layers or coatings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/92Fire or heat protection feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628Nonplanar uniform thickness material
    • Y10T428/24669Aligned or parallel nonplanarities
    • Y10T428/24694Parallel corrugations
    • Y10T428/24711Plural corrugated components
    • Y10T428/24719Plural corrugated components with corrugations of respective components intersecting in plane projection
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628Nonplanar uniform thickness material
    • Y10T428/24669Aligned or parallel nonplanarities
    • Y10T428/24694Parallel corrugations
    • Y10T428/24711Plural corrugated components
    • Y10T428/24727Plural corrugated components with planar component
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/27Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]

Definitions

  • My present invention relates to heat insulating board of the multi-layer type and more particularly to an improved heat insulation comprising a plurality of aluminum foils of hard and bright finish laminated in a board with a light Weight pervious spacing element which can be easily handled and used in complicated structures such as refrigerated railway cars and trucks, aeroplanes and the like.
  • the principal object of my invention is to provide an insulating board of light weight suitable for the use in the low temperature field and especially in the refrigeration transportation field where moisture migration by diffusion from the warm side of the refrigerated structure often causes serious trouble.
  • a further object of the invention is to provide a light weight insulation board of multi-layer aluminum foil in which direct metal conductivity is prevented by interspaced low conductive material.
  • Another object of the invention is to provide a light weight heat insulation board-like structure in which heat radiation is effectively restricted by a plurality of double acting aluminum foils and in which convection fiow is restricted by a large number of layers and moisture migration by diffusion in a transversal direction is practically prevented by impervious metallic vapor barriers.
  • FIG. l is a fragmentary perspective view of a heat insulation board constructed in accordance with my invention.
  • Figure 2 is a fragmentary perspective view showing a modification of the heat insulation board
  • Figure 3 is a fragmentary perspective view showing another modification of the heat insulating board.
  • an insulating board made in accordance with the invention may comprise any number of foils and intervening layers of low conductive nited States Patent O 2 material depending upon the desired thickness of the board.
  • the numerals 11 and 13 designate two bright and hard corrugated aluminum foils which, according to the invention, may vary from .0003 to .003 inch in thickness. These aluminum foils are separated by a similarly corrugated plastic film 12, the corrugations extending substantially between two parallel imaginary surfaces.
  • the film may be of cellulose acetate, poly vinyl chloride or silicone plastic; This plastic film material like the aluminum foil is quite thin and may vary from .001 to .003 inch in thickness. 1
  • the upper crests or ridges of the three corrugated foils as shown are respectively designated by the numerals 14, 16 and 18, and the lower ridges are designated by the numerals 15, 17 and 19 respectively, the opposite sides of the ridges being considered as valleys.
  • the corrugated sheets are secured together in any conventional or convenient way as with a suitable cement or glue.
  • the gluing of the corrugated foils offers particular difficulties because of the different nature of contacting surfaces.
  • the metal foils have to be glued to a nonmetallic or plastic film material with a waterproof and strong bond.
  • this gluing can be executed by using a copolymer consisting of 87% vinyl chloride, 12% vinyl acetate and 1% maleic acid.
  • To one part of copolymer is added five parts of isopropyl acetate or normal propyl acetate but other solvents may also be used.
  • the presence of maleic acid causes an attack on the metal foils and results in a bond between the plastic and the metal that will not be affected by water.
  • the corrugation or valley depth of the aluminum foils may, according to my invention, vary from A; to of i an inch and the corrugations of the plastic film may vary from a minimum of /s of an inch inch in depth.
  • the plastic film material should preferably be of a non-inflammable character, as indicated by the materials mentioned above.
  • the plasticizing agent if such a material is used, should be triphenyl phosphate and/or, tri-cresyl phosphate in order to render the material non-inflammable to the greatest possible degree.
  • the thicknesses of the plastic film materials are between .001 to .003 inch, as set forth above, they will be pervious to long wave heat rays. For this reason an 2.1- plastic insulation board of corrugated film material having said thickness cannot be successfully used without incorporating in the plastic material a finely divided blocking substance such as graphite, usually in the amount of 35% by weight.
  • FIG. 2 of the drawing where there is shown another embodiment of the invention.
  • the board is illustrated as of two corrugated aluminum foils 2t and 21, separated by an interposed blanket 22 of fiber glass or similar material, the blanket having yielding fibrous surfaces and, although fibrous, it is of approximately uniform thickness throughout.
  • the number of alternate layers of foil and fiber glass of which the board may be constructed is immaterial.
  • the corrugated metallic aluminum foils are cemented or glued to the non-metallic, pervious spacing material in any conventional or convenient way along the ridges 23 and 24. This leaves the intervening valleys formed by the corrugations of the aluminum foil substantially free of the spacing material.
  • the glue material already described above will be found suitable.v
  • the range of thickness'of the aluminum foil is the same as mentioned above with the arrangement of Figure l and a suitable thickness of hard and bright aluminum foil is approximately .00065 of an inch.
  • the corrugation height of the aluminum foils may in this modification of the invention vary from A2 of an inch to /4 of an inch.
  • the fiber glass spacing material 22 should have a thickness not less than Mr inch and should not exceed 1 inch.
  • the fiber glass blanket 22 should also be light in weight and have a weight per unit volume of not less than .5
  • the fiber glass spacing members or blankets 22 are of a softness of texture or density of mass which will yieldingly support the aluminum foils in space relation under all conditions of handling and operation unduly subjecting the corrugations of the foils to distortion due to shocks or jars.
  • the fiber glass foil spacing means or blanket 22 has a softness or resiliency of texture of a sufficiently light mass so that it will yield and then spring back in order to absorb pressures applied normally to the insulating board.
  • An insulation board of this type is completely noncombustible and has a k-factor which is lower than that of an all-fiber glass insulation. Moisture migration by diffusion of water vapor in the transverse direction is practically inhibited by the numerous layers of metal foils and internal convection and radiation of heat is for the same reason minimized.
  • the light weight heat insulation board of the character described has an extremely low k-factor when in a dry condition.
  • the factor is comparatively little affected by a rise in the mean temperatures of the insulation and is less influenced by moisture migration than are other hitherto known light weight insulation boards.
  • An insulating board, constructed in the manner described, is also resilient, as to the fiber glass portion'while remaining relatively stiff as to the foil portion and is easy to handle and cut and can therefore be applied in complicated structures.
  • a multi-layer heat insulating board the combina- ;-tion of a plurality of spaced impervious sheets of reflective metal foil each having corrugations extending paral- ,lel to each other, said sheets forming vapor, convection and radiation barriers, and a blanket of insulating material of substantial thickness disposed between said sheets and secured directly-to the apexesof the corrugatio ns and serving to provide insulation between foils, said corrugations being open and unobstructed whereby to provide drainage channels between the foil and the insulating material.
  • a multi-layer heat insulating board the combination of a plurality of spaced impervious sheets of reflective metal foil each having corrugations extending parallel to each other, said sheets forming vapor, convection and radiation barriers, and a plurality of blankets of insulating material of substantial thickness disposed between said foils and secured directly to the apexes thereof and serving to provide insulation between the foils, said corrugations being open and unobstructed whereby to provide drainage channels for moisture condensed thereon.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)
  • Thermal Insulation (AREA)
US318628A 1952-11-04 1952-11-04 Multi-layer heat insulating material Expired - Lifetime US2746892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US318628A US2746892A (en) 1952-11-04 1952-11-04 Multi-layer heat insulating material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US318628A US2746892A (en) 1952-11-04 1952-11-04 Multi-layer heat insulating material
GB35721/54A GB784526A (en) 1954-12-09 1954-12-09 A multi-layer heat insulating board

Publications (1)

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US2746892A true US2746892A (en) 1956-05-22

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US318628A Expired - Lifetime US2746892A (en) 1952-11-04 1952-11-04 Multi-layer heat insulating material

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US (1) US2746892A (de)
BE (1) BE534019A (de)
CH (1) CH332722A (de)
FR (1) FR1117503A (de)
GB (1) GB784526A (de)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840500A (en) * 1954-12-22 1958-06-24 Pierce John B Foundation Heat insulating sheet or panel
US3041223A (en) * 1959-05-25 1962-06-26 Philip G Sage Composite wall structure
US3152033A (en) * 1960-06-17 1964-10-06 Little Inc A Insulating assembly
US3168432A (en) * 1961-12-22 1965-02-02 Thore M Elfving Core material
US3374994A (en) * 1963-03-04 1968-03-26 Ici Ltd Packing units for gas-liquid contact apparatus
US3374992A (en) * 1963-03-04 1968-03-26 Ici Ltd Gas-liquid contact apparatus
US3867244A (en) * 1971-12-22 1975-02-18 Boeing Co Insulation and condensation control blanket
US4119755A (en) * 1975-08-12 1978-10-10 Rockwool International A/S Fire retardant plate material
US4264664A (en) * 1978-01-26 1981-04-28 Kurt Kunz Metal-coated plastic foil and its use
US4313993A (en) * 1980-04-14 1982-02-02 Mcglory Joseph J Laminated insulation
US4925134A (en) * 1987-12-09 1990-05-15 Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung High temperature heat shield system
US4971850A (en) * 1989-09-11 1990-11-20 Kuan Hong Lo Assembled sound-muffling thermal insulation board
US5346371A (en) * 1991-09-20 1994-09-13 Otis Elevator Company Hydraulic elevator oil tank
US5654518A (en) * 1995-12-06 1997-08-05 Rockwell International Corporation Double truss structural armor component
US20050172792A1 (en) * 2002-03-19 2005-08-11 Krauss-Maffel Wegmann Gmbh & Co. Kg Composite armor plating, particularlyfor installing in motor vehicles
WO2006085980A3 (en) * 2004-07-08 2007-05-10 Blashield Inc Ballistic abatement barrier method and system
WO2007082558A1 (en) * 2006-01-23 2007-07-26 Bernd Meinecke Insulation material comprising reflection material for buildings
US20170102216A1 (en) * 2015-10-09 2017-04-13 Chemposite Inc. Ballistic panel
US9702138B1 (en) * 2013-05-17 2017-07-11 Modula S, Inc. Modular building construction
US20180029792A1 (en) * 2015-02-12 2018-02-01 Thyssenkrupp Marine Systems Gmbh Foldable rcs container
USD858286S1 (en) * 2017-07-14 2019-09-03 Koch Knight, Llc Structured packaging material
US11192327B2 (en) * 2017-07-03 2021-12-07 Axel Nickel Voluminous meltblown nonwoven fabric with improved stackability and storability

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1020567A (en) * 1910-06-06 1912-03-19 Carey Philip Mfg Co Insulator-covering.
US2029679A (en) * 1933-06-03 1936-02-04 Kooperativa Forbundet Forening Insulation
US2037813A (en) * 1932-04-04 1936-04-21 Termisk Isolation Ab Heat insulation
GB448543A (en) * 1935-03-15 1936-06-10 Kooperativa Foerbundet Foereni An improved method and machine for making heat-insulating mats
GB459574A (en) * 1936-03-14 1937-01-11 Charles Mcewan Improvements in and relating to heat insulating sheets, blocks, and the like
GB482809A (en) * 1936-12-11 1938-04-05 Oscar Gossler Glasgespinst Fab Improvements in and relating to heat and sound insulating bodies of spun glass
US2206059A (en) * 1936-12-24 1940-07-02 Owens Corning Fiberglass Corp Fibrous glass felt
US2221309A (en) * 1935-08-17 1940-11-12 Insulfoil Corp Of America Insulating element
US2329456A (en) * 1942-06-12 1943-09-14 Carbide & Carbon Chem Corp Vinyl resin coating composition
US2330941A (en) * 1940-02-23 1943-10-05 Keasbey & Mattison Company Insulation
US2406815A (en) * 1938-01-10 1946-09-03 Elfving Thore Martin Multilayer insulation
US2514170A (en) * 1945-10-12 1950-07-04 Raybestos Manhattan Inc Insulating material

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1020567A (en) * 1910-06-06 1912-03-19 Carey Philip Mfg Co Insulator-covering.
US2037813A (en) * 1932-04-04 1936-04-21 Termisk Isolation Ab Heat insulation
US2029679A (en) * 1933-06-03 1936-02-04 Kooperativa Forbundet Forening Insulation
GB448543A (en) * 1935-03-15 1936-06-10 Kooperativa Foerbundet Foereni An improved method and machine for making heat-insulating mats
US2221309A (en) * 1935-08-17 1940-11-12 Insulfoil Corp Of America Insulating element
GB459574A (en) * 1936-03-14 1937-01-11 Charles Mcewan Improvements in and relating to heat insulating sheets, blocks, and the like
GB482809A (en) * 1936-12-11 1938-04-05 Oscar Gossler Glasgespinst Fab Improvements in and relating to heat and sound insulating bodies of spun glass
US2206059A (en) * 1936-12-24 1940-07-02 Owens Corning Fiberglass Corp Fibrous glass felt
US2406815A (en) * 1938-01-10 1946-09-03 Elfving Thore Martin Multilayer insulation
US2330941A (en) * 1940-02-23 1943-10-05 Keasbey & Mattison Company Insulation
US2329456A (en) * 1942-06-12 1943-09-14 Carbide & Carbon Chem Corp Vinyl resin coating composition
US2514170A (en) * 1945-10-12 1950-07-04 Raybestos Manhattan Inc Insulating material

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840500A (en) * 1954-12-22 1958-06-24 Pierce John B Foundation Heat insulating sheet or panel
US3041223A (en) * 1959-05-25 1962-06-26 Philip G Sage Composite wall structure
US3152033A (en) * 1960-06-17 1964-10-06 Little Inc A Insulating assembly
US3168432A (en) * 1961-12-22 1965-02-02 Thore M Elfving Core material
US3374994A (en) * 1963-03-04 1968-03-26 Ici Ltd Packing units for gas-liquid contact apparatus
US3374992A (en) * 1963-03-04 1968-03-26 Ici Ltd Gas-liquid contact apparatus
US3374993A (en) * 1963-03-04 1968-03-26 Ici Ltd Gas-liquid contact apparatus
US3867244A (en) * 1971-12-22 1975-02-18 Boeing Co Insulation and condensation control blanket
US4119755A (en) * 1975-08-12 1978-10-10 Rockwool International A/S Fire retardant plate material
US4264664A (en) * 1978-01-26 1981-04-28 Kurt Kunz Metal-coated plastic foil and its use
US4313993A (en) * 1980-04-14 1982-02-02 Mcglory Joseph J Laminated insulation
US4925134A (en) * 1987-12-09 1990-05-15 Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung High temperature heat shield system
US4971850A (en) * 1989-09-11 1990-11-20 Kuan Hong Lo Assembled sound-muffling thermal insulation board
US5346371A (en) * 1991-09-20 1994-09-13 Otis Elevator Company Hydraulic elevator oil tank
US5654518A (en) * 1995-12-06 1997-08-05 Rockwell International Corporation Double truss structural armor component
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Also Published As

Publication number Publication date
BE534019A (de) 1958-07-04
CH332722A (de) 1958-09-30
FR1117503A (fr) 1956-05-23
GB784526A (en) 1957-10-09

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