US2327625A - Heat protective apparel - Google Patents

Heat protective apparel Download PDF

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Publication number
US2327625A
US2327625A US423109A US42310941A US2327625A US 2327625 A US2327625 A US 2327625A US 423109 A US423109 A US 423109A US 42310941 A US42310941 A US 42310941A US 2327625 A US2327625 A US 2327625A
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Prior art keywords
neoprene
protective apparel
heat protective
mitt
asbestos
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Expired - Lifetime
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US423109A
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Lawrence E Dickson
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Individual
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Individual
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Priority to US423109A priority Critical patent/US2327625A/en
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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/0055—Plastic or rubber gloves
    • A41D19/0058—Three-dimensional gloves
    • A41D19/0065—Three-dimensional gloves with a textile layer underneath

Definitions

  • inorganic materials such as asbestos have excellent heat insulating properties and may readily be woven or formed into fabrics or sheets that can be used in making wearing apparel.
  • these materials which are excellent heat insulators are often very weak in tensile strength and have very poor wearing qualities.
  • the principal object of the present invention is to strengthen the inorganic insulating material with a superficial coating or skin of an organic material, such as a synthetic rubber, which has many of the natural properties of rubber but is not such a good heat insulator and will not support combustion.
  • organic material such as a synthetic rubber
  • Neoprene is a suitable commercial organic material and its use will be described more in detail.
  • FIG. 1 is an elevational view of a mitt made of woven asbestos and having its nger and palm face treated with neoprene: and
  • Figure 2 is-a sectional view, taken as indicated at line 2 of Figure 1.
  • the body of the mitt 3 is formed of woven asbestos and has a soft flexible body with very minute openings through which air may pass.
  • the thumb or finger portion I is made of the same materialand may be stitched in position to form a mitt.
  • Neoprene is available on the market in the form of a latex and may be brushed onto the areas of the glove which are subjected to the most wear, as indicated at 5.
  • the liquid neoprene is so thick that it will not permeate the fabric to its inner side, but rmly adheres thereto by superflcially lling the interstices in the fabric and forming a substantial waterproof skin.
  • the cured neoprene when so applied, is found to be quite elastic, like natural rubber, is not affected by oil, and will not support combustion. Also, it is chemically resistant and forms a good protection for the wearer from hot steam or water.
  • the inner face of the mitt being formed of -unimpregnated asbestos fabric forms a soft lining that does not readily conduct heat and of course will not burn.
  • Mittsof this character are particularly useful in handling hot objects, such as barrels of machine guns, which sometimes must be changed while hot, Aand it is found that the hot barrel may be gripped by the Ymitt and the neoprene will not become slimy or slippery as in the case of materials such as natural rubber.
  • neoprene may also be used in coating helments, boots, or Vother objects which have surfaces subjected to Wear and tear.
  • non-combustible it will be understood to mean that' the material will not support combustion, although it has been found that when subjected to a temperature of say 900 F. for a period of about five minutes, the surface will carbonize andthe carbonization will gradually extend through the depth of the coating. While it is preferred in making objects such as mitts, to apply the material with a brush, to avoid waste, it will be understood that the material can be sprayed on, or the objects even dipped in a bath of the synthetic rubber.
  • a heat insulating mitt for use in handling hot articles. comprising a soft body and finger portion of woven asbestos having interstices in the fabric through which air may circulate, the palm and inside nger portions of said mitt being supercially coated with cured neoprene.
  • Wearing apparel for gripping hot surfaces having a body of soft woven inorganic heat in sulating material, such as asbestos, the vouter gripping portions oi said body being 'provided with a thin supercial coating of a cured chlorinated olenic polymer, said coating being elastic and chemically resistant.

Description

Patented Aug. 24, 1943 A uNrrEo STATES PATENT oFFicE 2,327,625 naar raoTEerIvE. APPAREL Lawrence E. Dickson, Chicago, lll. Application December 15, 1941, Serial No. 423,109
2 Claims.
objects such as machine gun barrels and in fire v fighting work in connection with airplane crashes, oil well fires, and the like.
It has long been known that inorganic materials such as asbestos have excellent heat insulating properties and may readily be woven or formed into fabrics or sheets that can be used in making wearing apparel. However, these materials which are excellent heat insulators are often very weak in tensile strength and have very poor wearing qualities.
The principal object of the present invention is to strengthen the inorganic insulating material with a superficial coating or skin of an organic material, such as a synthetic rubber, which has many of the natural properties of rubber but is not such a good heat insulator and will not support combustion. Such materials are now well known and available on the market as a butadiene polymer. Neoprene is a suitable commercial organic material and its use will be described more in detail.
The invention is illustrated in connection with a protective mitt, in the accompanying drawingl in which- I Figure 1 is an elevational view of a mitt made of woven asbestos and having its nger and palm face treated with neoprene: and Figure 2 is-a sectional view, taken as indicated at line 2 of Figure 1.
In the embodiment illustrated, the body of the mitt 3 is formed of woven asbestos and has a soft flexible body with very minute openings through which air may pass. The thumb or finger portion I is made of the same materialand may be stitched in position to form a mitt.
Neoprene is available on the market in the form of a latex and may be brushed onto the areas of the glove which are subjected to the most wear, as indicated at 5. The liquid neoprene is so thick that it will not permeate the fabric to its inner side, but rmly adheres thereto by superflcially lling the interstices in the fabric and forming a substantial waterproof skin. After the neoprene has been applied. it isplaced in the oven and cured for a short period at a temperature of about 250 F.
The cured neoprene, when so applied, is found to be quite elastic, like natural rubber, is not affected by oil, and will not support combustion. Also, it is chemically resistant and forms a good protection for the wearer from hot steam or water. The inner face of the mitt being formed of -unimpregnated asbestos fabric forms a soft lining that does not readily conduct heat and of course will not burn.
Mittsof this character are particularly useful in handling hot objects, such as barrels of machine guns, which sometimes must be changed while hot, Aand it is found that the hot barrel may be gripped by the Ymitt and the neoprene will not become slimy or slippery as in the case of materials such as natural rubber.
It will be understood that the neoprene may also be used in coating helments, boots, or Vother objects which have surfaces subjected to Wear and tear.
In using the term non-combustible, it will be understood to mean that' the material will not support combustion, although it has been found that when subjected to a temperature of say 900 F. for a period of about five minutes, the surface will carbonize andthe carbonization will gradually extend through the depth of the coating. While it is preferred in making objects such as mitts, to apply the material with a brush, to avoid waste, it will be understood that the material can be sprayed on, or the objects even dipped in a bath of the synthetic rubber.
The foregoing detailed description has been given for clearness of understanding only, and no unnecessary limitations should be understood therefrom for' some modifications will be obvious to those skilled in the art.
I claim:
1. A heat insulating mitt, for use in handling hot articles. comprising a soft body and finger portion of woven asbestos having interstices in the fabric through which air may circulate, the palm and inside nger portions of said mitt being supercially coated with cured neoprene.
which forms a. substantially moisture-proof elastic skin and adheres to the fabric by its partial admission into said interstices.
2. Wearing apparel for gripping hot surfaces, having a body of soft woven inorganic heat in sulating material, such as asbestos, the vouter gripping portions oi said body being 'provided with a thin supercial coating of a cured chlorinated olenic polymer, said coating being elastic and chemically resistant.
. LAWRENCE E. DICKSON.
US423109A 1941-12-15 1941-12-15 Heat protective apparel Expired - Lifetime US2327625A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779025A (en) * 1953-08-27 1957-01-29 Firestone Tire & Rubber Co New polymeric material containing copolymerized monochlorotrifluoroethylene and an alkyl vinyl ether
US3026531A (en) * 1960-05-24 1962-03-27 Goodrich Co B F Neoprene glove
US3096523A (en) * 1961-11-08 1963-07-09 George R Bruchas Football glove
FR2458237A1 (en) * 1979-06-13 1981-01-02 Lanoe Jean Claude Knitted industrial gloves - coated with incomplete plastic layer
US4454611A (en) * 1982-06-30 1984-06-19 The United States Of America As Represented By The United States National Aeronautics And Space Administration Heat resistant protective hand covering
US5070540A (en) * 1983-03-11 1991-12-10 Bettcher Industries, Inc. Protective garment
US5822791A (en) * 1996-06-24 1998-10-20 Whizard Protective Wear Corp Protective material and method
US20150082504A1 (en) * 2013-09-24 2015-03-26 John D. Neff Molded rubberized toddler primer ball glove

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779025A (en) * 1953-08-27 1957-01-29 Firestone Tire & Rubber Co New polymeric material containing copolymerized monochlorotrifluoroethylene and an alkyl vinyl ether
US3026531A (en) * 1960-05-24 1962-03-27 Goodrich Co B F Neoprene glove
US3096523A (en) * 1961-11-08 1963-07-09 George R Bruchas Football glove
FR2458237A1 (en) * 1979-06-13 1981-01-02 Lanoe Jean Claude Knitted industrial gloves - coated with incomplete plastic layer
US4454611A (en) * 1982-06-30 1984-06-19 The United States Of America As Represented By The United States National Aeronautics And Space Administration Heat resistant protective hand covering
US5070540A (en) * 1983-03-11 1991-12-10 Bettcher Industries, Inc. Protective garment
US5822791A (en) * 1996-06-24 1998-10-20 Whizard Protective Wear Corp Protective material and method
US20150082504A1 (en) * 2013-09-24 2015-03-26 John D. Neff Molded rubberized toddler primer ball glove

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