US1980889A - Heat insulating material - Google Patents
Heat insulating material Download PDFInfo
- Publication number
- US1980889A US1980889A US582509A US58250931A US1980889A US 1980889 A US1980889 A US 1980889A US 582509 A US582509 A US 582509A US 58250931 A US58250931 A US 58250931A US 1980889 A US1980889 A US 1980889A
- Authority
- US
- United States
- Prior art keywords
- heat insulating
- insulating material
- exfoliated
- mass
- pieces
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S106/00—Compositions: coating or plastic
- Y10S106/03—Mica
Definitions
- the invention relates to heat insulating material treated with heat to cause its layers or laminations of the type consisting of a pulverulent, granular to exfoliate or partially separate, thus producing or powdered mass of relatively mobile particles a light, flaky, non-inflammable material having capable of being poured to form a heat insulating air spaces between the layers. Pieces of this ma- 5 layer or partition. Many materials of this type terial of from about one-eighth to one-half inch 60 are known, for example, ground wallboard, cork may conveniently be employed.
- An article of manufacture consisting of a a heat insulating material of the kind described mixture of 40 to 50% by weight of exfoliated verhaving small pieces of an exfoliated mineral submiculite and 60 to 50% of ground gypsum wall- 25 stance of laminated form distributed throughout board.
- the preferred mineral substance is vermiculite so s5
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
Description
Patented Nov. 13, 1934 HEAT INSULATING MATERIAL George Miller Thomson, Caledonia, Ontario, Canada N Drawing. Application December 21, 1931, iggal No. 582,509. In Canada December 17,
2 Claims. (Cl. 106-20) The invention relates to heat insulating material treated with heat to cause its layers or laminations of the type consisting of a pulverulent, granular to exfoliate or partially separate, thus producing or powdered mass of relatively mobile particles a light, flaky, non-inflammable material having capable of being poured to form a heat insulating air spaces between the layers. Pieces of this ma- 5 layer or partition. Many materials of this type terial of from about one-eighth to one-half inch 60 are known, for example, ground wallboard, cork may conveniently be employed. According to a and, the like, preferred form of the invention these pieces of A disadvantage of this type of insulating maexfoliated material are mixed as uniformly as terial is that, on account of its incoherent nature, possible with ground gypsum wallboard.
it is compressible and therefore liable to settle or The greater the proportion of exfoliated ma- 65 sag if subjected to shaking or vibration, thus interial employed, the less will be insulating macreasing the density of the material and reducing terial be able to settle or sag when subjected to its insulating efficiency, and also leaving an unvibration. Good results have been obtained by insulated space above the mass of material. mixing to of exfoliated vermiculite with 15 The present invention has for object to provide to 50% of ground gypsum wallboard.
an improved material of the type described, in What I'claim is: which the tendency to settle is greatly reduced, 1. An article of manufacture consisting of a whereby, under normal conditions of use, the dismass of ground gypsum wallboard having pieces advantage above mentioned is substantially elimiof exfoliated vermiculite varying in size from one- 20 nated or, at least, reduced to negligible proporeighth to one-half inch distributed throughout tions. the mass.
With this end in view the invention consists in 2. An article of manufacture consisting of a a heat insulating material of the kind described mixture of 40 to 50% by weight of exfoliated verhaving small pieces of an exfoliated mineral submiculite and 60 to 50% of ground gypsum wall- 25 stance of laminated form distributed throughout board.
the mass. GEORGE MILLER THOMSON.
The preferred mineral substance is vermiculite so s5
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA1980889X | 1930-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1980889A true US1980889A (en) | 1934-11-13 |
Family
ID=4174629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US582509A Expired - Lifetime US1980889A (en) | 1930-12-17 | 1931-12-21 | Heat insulating material |
Country Status (1)
Country | Link |
---|---|
US (1) | US1980889A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439538A (en) * | 1948-04-13 | Deodorizing composition of matter | ||
US20110024702A1 (en) * | 2008-03-31 | 2011-02-03 | Barbara Roman Aleman | Gypsum mortar with added expanded vermiculite and method for obtaining same |
-
1931
- 1931-12-21 US US582509A patent/US1980889A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439538A (en) * | 1948-04-13 | Deodorizing composition of matter | ||
US20110024702A1 (en) * | 2008-03-31 | 2011-02-03 | Barbara Roman Aleman | Gypsum mortar with added expanded vermiculite and method for obtaining same |
US8021476B2 (en) * | 2008-03-31 | 2011-09-20 | Fire Test, S.L. | Gypsum mortar with added expanded vermiculite and method for obtaining same |
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