US86808A - Improved compound for preserving wood, leather - Google Patents

Improved compound for preserving wood, leather Download PDF

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Publication number
US86808A
US86808A US86808DA US86808A US 86808 A US86808 A US 86808A US 86808D A US86808D A US 86808DA US 86808 A US86808 A US 86808A
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United States
Prior art keywords
leather
wood
improved compound
preserving wood
combustible
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02Processes; Apparatus
    • B27K3/0271Vapour phase impregnation

Definitions

  • the wood or leather After the wood or leather has been subjected to a sufiicient degree of heat or superheated steam to evaporate all moisture therefrom, it is to be subjected to a bath of vaporized sulphate of ammonia, to render the wood non-combustible.
  • This vapor penetrating into and saturating the pores of the wood, not only renders it non-combustible, but also acts as a powerful preservative of the wood, which is previously subjected to theaotion of a hydrocarbon-vapor, formed from heated rosin mixed with salt. which, by actual expenment and many tests, has been ascertained-to be an excellent J.l1e-preservation of wood and leather by the action of a hydroearbon-vapor, formed from rosin and salt, substantially as set'forth.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Description

fittest fit tent JAMES P. BRIDGE, OF BOSTON, MASSACHUSE TTS. Letters Patent N0. 86,808, dated February 9, 1869.
The Schedule referred to in these Letters Patent and making part of the same To all whom it may concern:
Be it known that I, JAMES P. BRIDGE, of Boston, in the county of Sufiolk, and State of Massachusetts, have invented a new and improved Compound for PreservingVVood and Leather, and Rendering Wood Non- Oombustible; and I do hereby-declare that the following is afull, clear, and exact description thereof, which will enable those skilled in {the art to make and use the same.
After the wood or leather has been subjected to a sufiicient degree of heat or superheated steam to evaporate all moisture therefrom, it is to be subjected to a bath of vaporized sulphate of ammonia, to render the wood non-combustible. This vapor, penetrating into and saturating the pores of the wood, not only renders it non-combustible, but also acts as a powerful preservative of the wood, which is previously subjected to theaotion of a hydrocarbon-vapor, formed from heated rosin mixed with salt. which, by actual expenment and many tests, has been ascertained-to be an excellent J.l1e-preservation of wood and leather by the action of a hydroearbon-vapor, formed from rosin and salt, substantially as set'forth.
Also, subjecting, wood tothe action of. vaporized sulphate of ammonia, for the purpose of preservation and rendering it non-combustible, substantially as set I forth.
JAS, P. BRIDGE. Witnesses:
. 1 G. MEARS,
J 0s. H. WILBY.
US86808D Improved compound for preserving wood, leather Expired - Lifetime US86808A (en)

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US86808A true US86808A (en) 1869-02-09

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