US1442326A - Insulating material and process of manufacturing same - Google Patents

Insulating material and process of manufacturing same Download PDF

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Publication number
US1442326A
US1442326A US51792321A US1442326A US 1442326 A US1442326 A US 1442326A US 51792321 A US51792321 A US 51792321A US 1442326 A US1442326 A US 1442326A
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United States
Prior art keywords
bat
insulating material
woven fabric
asbestos
asbestos fibre
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Expired - Lifetime
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Long Julius De
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Individual
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Individual
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Priority to US51792321 priority Critical patent/US1442326A/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
    • Y10T442/3724—Needled
    • Y10T442/3732—Including an additional nonwoven fabric
    • Y10T442/3748—Including inorganic strand material

Definitions

  • My invention relates to improvements in insulating material which are particularly adapted for use in insulating railroad cars,
  • Figure 1 is aperspective view of my insulating material with the layers of the material used partly broken away.
  • Figure 2 is an enlarged sectional view on the line XX of Figure 1.
  • 1 indicates the woven fabric; 2 the bats of asbestos fibre and cattle hair, and 3 the covering of asbestos paper. Y
  • fireproof insulating material has been made from asbestos fibre, but in this type ofinsulating material the fibres were always secured together by glue or other adhesive material which tended to close and' fill the air "spaces between the fibre and thereby greatly decrease the insulat-ing. value-of such insulating material.
  • Insulating material has also been formed by mingling asbestos fibre andcattle hair, but in the past these fibres have lso been socured together by means of glue or other adhesive material which tended to fill the, air spaces between the fibres and detracted,
  • I run finely divided asbestos fibre and cattle hair through a 'pi'cker and form the commingled asbestos fibre and cattle hair into bats by running itthrough a carding nia-' chine.
  • An insulating-material comprising in combination woven fabric, bats composed of asbestos fibre and cattle hair. arranged on opposite sidesof' such woven fabric and ecured to each other and to such woven fabrlc by interlocking the asbestos fibre and cattle hair of each bat with the. asbestos fibre and cattle' hair of the other bat and with such woven fabric.
  • An, insulating material comprising in combination woven fabric, bats composed of asbestos fibre, and cattle hair arranged on opposite sides ofsucl'r wo'venzfabric and secured to each other and to such woven fabric by interlocking the asbestos( fibre and.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)

Description

Jan. 16, 1923.
J. DE LONG- INSULATING MATERIAL AND PROCESS OF MANUFACTURING SAME FILED NOV. 26,1921- [NVENTOR A /ATTORNEY Patenteddian. lifi, i923.
uairra sr res JULIUs BELONG, or LAKE manorac, ew YORK.
'msULA'rING MATERIAL AND raoonss or manu'rac'ruame same.
Application-filed November 26, 1921. .Serial No. 517,923.
' To-aZZ whom it mizy concern:
Be it'known that I, JUnIUs DE Lofts, a citizen of the United States, residing at Lake Mahopa-c, in the county of Putnam and State of New York, have invntednew and useful Improvements in Insulating Materials and Processes of, Manufacturing Same, of which the following is a specification. I
My invention relates to improvements in insulating material which are particularly adapted for use in insulating railroad cars,
buildings and other structures, and the ob- .jects of my invention are to produce 'a ine-w insulating -material which can be cheaply and economically manufactured, which will which is a far better non-conductor of heat than the previous types of fireproof insulat ing material heretofore in use, and which also possesses suflicient rigidity to be easily handled and applied Reference is hereby made to the following pending applications by the applicant relating to the same or kindred subject matter, namely: Serial No. 432,649, Serial No. 556,579, and Serial No. 591,362.
Figure 1 is aperspective view of my insulating material with the layers of the material used partly broken away.
Figure 2 is an enlarged sectional view on the line XX of Figure 1.
In the drawings, 1 indicates the woven fabric; 2 the bats of asbestos fibre and cattle hair, and 3 the covering of asbestos paper. Y
Heretofore fireproof insulating material has been made from asbestos fibre, but in this type ofinsulating material the fibres were always secured together by glue or other adhesive material which tended to close and' fill the air "spaces between the fibre and thereby greatly decrease the insulat-ing. value-of such insulating material.
Insulating material hasalso been formed by mingling asbestos fibre andcattle hair, but in the past these fibres have lso been socured together by means of glue or other adhesive material which tended to fill the, air spaces between the fibres and detracted,
from the insulating. value of the material'so formed. Material so formed is also liable to disintegrate and fall apart-.when damp or wet' and therefore is undesirablefor many purposes for t which insulating material is used.
I'have found that Ican make a strong, durable insulating material by the. follow: ing process:
I run finely divided asbestos fibre and cattle hair through a 'pi'cker and form the commingled asbestos fibre and cattle hair into bats by running itthrough a carding nia-' chine. I lay a bat so formed upon a strip of burlap or other suitable woven fabric possessing the desired strength, and run the bat and burlap through a punching needleQ loom, said needles forcing the asbestos fibre and cattle hair through the burlap and interlocking the fibres 'of asbestos and cattle hair with each other and firmly securing the I .bat to theburlap or other wove-n material, Y be essentially fireproof in its character, and
'hen this operation is completed, I turn the product over and place another similarly formed bat upon the exposed surface of the burlap or other woven fabric and again run the material through the punching needle loom with the result that the fibres of asbestos and cattle hair in the upper bat are interlocked and the fibres from the upper bat are driven through the burlap or other woven fabric, and more or less interlocked with the asbestos fibre and cattle hair on the opposite side of the burlap or other woven fabric. This produces a strong, durable felt which is a far better nonconductor of heat than the material heretofore used and is at the same time essentially fireproof. I prefer to use equal quantities of asbestos fibre and cattle hair, as this produces a material which is fireproof, strong and durable. These proportions may, however, be varied without departing from the spirit of myinvention. I I
,Where a rigid material is required, I apply adhesive material to the surface of asbestos paper or other suitable covering, which-I apply to one or both of the outer surfaces of the felt formed as above stated. 1
with each other, with-the woven fabric and withthe asbestos fibreand cattle hair of the bat on the opposite side of such woven fabric.
with the asbestos fibre and cattle hair of the bat on the opposite side of such woven fabric, and an asbestos covering on eachslde thereof and secured thereto by adhesive material.
3. An insulating-material comprising in combination woven fabric, bats composed of asbestos fibre and cattle hair. arranged on opposite sidesof' such woven fabric and ecured to each other and to such woven fabrlc by interlocking the asbestos fibre and cattle hair of each bat with the. asbestos fibre and cattle' hair of the other bat and with such woven fabric. J 1
it. An, insulating material comprising in combination woven fabric, bats composed of asbestos fibre, and cattle hair arranged on opposite sides ofsucl'r wo'venzfabric and secured to each other and to such woven fabric by interlocking the asbestos( fibre and.
cattle hair of each bat with the asbestos fibre and cattle hair of the other bat and with such woven fabric, and anasbestos covering on each side thereof and secured thereto by adhesive material.
5. The process of making insulating material consisting of (1) passing asbestos fibre and cattle hair through a picking machine, (2) formlng the product thus obtained into a bat by passing the same through a carding machine, (3) arranging the bat so formed on woven material and securing the bat to the woven material by passing both 'througlrapunching needle loom, (4) placing a bat formed as above stated on the opposite side of the woven fabric and running the same through a punching needle loom.
Signed at New York, this 25th day of November, 1921.
JULIUS-DE LONG.
US51792321 1921-11-26 1921-11-26 Insulating material and process of manufacturing same Expired - Lifetime US1442326A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9004744U1 (en) * 1990-04-04 1990-08-30 Krickl Lüftungsbau GmbH, 8264 Waldkraiburg Thermal insulation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9004744U1 (en) * 1990-04-04 1990-08-30 Krickl Lüftungsbau GmbH, 8264 Waldkraiburg Thermal insulation
DE4108110A1 (en) * 1990-04-04 1991-12-12 Krickl Lueftungsbau Gmbh Retaining heat in buildings - involves sheep wool which is capable of breathing enclosed in retention zone
DE4108110C3 (en) * 1990-04-04 2000-10-05 Krickl Lueftungsbau Gmbh Thermal insulation material for buildings

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