US160846A - Improvement in apparatus for preserving wood - Google Patents

Improvement in apparatus for preserving wood Download PDF

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US160846A
US160846A US160846DA US160846A US 160846 A US160846 A US 160846A US 160846D A US160846D A US 160846DA US 160846 A US160846 A US 160846A
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log
head
preserving
wood
improvement
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, 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
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
    • B27K3/10—Apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor

Definitions

  • Figure 1 is a plan view, illustrating my invention as applied for treating a number of logs of lumber at one operation.
  • Fig. 2 is a longitudinal section of thedevices which are applied to the ends of a log of timber.
  • my invention consists in the combination and arrangement of the devices whereby a greater or less number of a connected train, or a single log of a connected train. or of a number of connected trains, can at will be impregnated with the preserving compound, forced against the end of the log or logs by hydraulic or other powerful pressure.
  • A represents a metallic head with a circular flange, 0,, projecting from its inner face, and with a central passage, 1), through it.
  • This head is concavo-convexwithin the diameter of its flange, and the flange is beveled on its inner side, as represented.
  • This head is adapted to fit upon the end of a log of timber, and when forced or driven into the end of the log, the wedging form of the flange makes an air-tight fit or joint.
  • the concave form of the head prevents the head, withinthe diameter of the flange, from bearing against the end of the log, and thus a chamber, 0, is secured between the head and the end of the log, for
  • the plate B may be an exact duplicate of the head A, in cases where the wood to be preserved is of a very hard nature, and it is advantageous to apply an exhaustpump at one end of the log, and a hydraulic press at the other end 5 but in most cases practice will prove that the hydraulic pressure is all that will be necessary to effect the injection of the preserving compound.
  • the head A and the plate B may be of any form and construction desired, so long as the result aimed at is accomplished by their use, that result being the injection into the wood of the preserving compound under hydraulic or other powerful pressure, by introducing it at the end of the log in a direction with its pores or fibers.
  • the pressure upon the preserving compound may be concentrated wholly upon one, two, or more logs, or it may be diffused and caused to act upon the whole train of logs, as circumstances may require.
  • the preserving compound which I prefer to use is that known as Olarks solution, patented in 1869, which is composed of iron, zinc, and mercury in solution; but any other suitable compound may be employed.
  • the compound is contained in a tank, F and is drawn through the pump D and con ducted by the pipe D into the pipes E, the power for operating the pump being derived from the steam-boiler D or any ordinary hand-pump.
  • the construction and arrangement of the hydraulic apparatus may be-changed as locations and circumstances may require.
  • the wood to be treated is taken in its uncured or green condition, and thus is preserved before any change has taken place in its nature.
  • ATENT ()rrroa the concave heads A A, applied. upon one of ber of trains of logs, as circumstances may the ends of the logs, and an engine or pump require, substantially as and. for the purpose connected with a supply-tank, whereby the set forth.
  • wood-preserving material may be applied at GEORGE B. SMITH. will to a train or parts of a train of logs, or witnesseses: to a single 10g, and the power concentrated on J. N. CAMPBELL,

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Description

- a. BQsmTH.
Apparatus for Preserving Wood. N0 '.160,846. PatentedMarchl6J875.
I THE GRAPHIC comnoro umasmm PARK PLAGE,N.Y.
UNITED STATES GEORGE E. SMITH, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT lN APPARATUS FOR PRESERVING WOOD.
Specification forming part of Letters Patent No. 160,846, dated March 16, 1875; application filed September 2, 1874.
To all whom it may concern:
Be it known that I, GEORGE B. SMITH, of the city and county of Philadelphia, State of Pennsylvania, have invented a new Apparatus for Preserving Wood; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, making part of this specification, in which Figure 1 is a plan view, illustrating my invention as applied for treating a number of logs of lumber at one operation. Fig. 2 is a longitudinal section of thedevices which are applied to the ends of a log of timber.
The nature of my invention consists in the combination and arrangement of the devices whereby a greater or less number of a connected train, or a single log of a connected train. or of a number of connected trains, can at will be impregnated with the preserving compound, forced against the end of the log or logs by hydraulic or other powerful pressure.
To enable others skilled in the art to make and use my invention, I will proceed to describe it.
A represents a metallic head with a circular flange, 0,, projecting from its inner face, and with a central passage, 1), through it. This head is concavo-convexwithin the diameter of its flange, and the flange is beveled on its inner side, as represented. This head is adapted to fit upon the end of a log of timber, and when forced or driven into the end of the log, the wedging form of the flange makes an air-tight fit or joint. The concave form of the head prevents the head, withinthe diameter of the flange, from bearing against the end of the log, and thus a chamber, 0, is secured between the head and the end of the log, for
the composition, which is introduced through the passage b, to expand in, and thereby come in contact with'the whole inclosed surface of the end of the log. This head is confined upon the -log by means of an annular ring-plate, B, applied on the opposite end of the log, and draw-bolts O O, which extend from the head A to the plate B, and are fastened by nuts on one of their ends, as shown.
The plate B may be an exact duplicate of the head A, in cases where the wood to be preserved is of a very hard nature, and it is advantageous to apply an exhaustpump at one end of the log, and a hydraulic press at the other end 5 but in most cases practice will prove that the hydraulic pressure is all that will be necessary to effect the injection of the preserving compound.
The head A and the plate B may be of any form and construction desired, so long as the result aimed at is accomplished by their use, that result being the injection into the wood of the preserving compound under hydraulic or other powerful pressure, by introducing it at the end of the log in a direction with its pores or fibers.
In the drawings I have shown a hydraulic apparatus, D, connected to pipes E E, with branches 0 e, which branches are connected by flexible tubes or stiff sleeves to a number of heads, A, as represented. The pipes E are provided with a cock, F, and each branch pipe has its own cock f. The apparatus D is provided with a gage by which the pressure is regulated and indicated.
With the apparatus D, the pressure upon the preserving compound may be concentrated wholly upon one, two, or more logs, or it may be diffused and caused to act upon the whole train of logs, as circumstances may require.
The preserving compound which I prefer to use is that known as Olarks solution, patented in 1869, which is composed of iron, zinc, and mercury in solution; but any other suitable compound may be employed.
The compound is contained in a tank, F and is drawn through the pump D and con ducted by the pipe D into the pipes E, the power for operating the pump being derived from the steam-boiler D or any ordinary hand-pump.
The construction and arrangement of the hydraulic apparatus may be-changed as locations and circumstances may require.
The wood to be treated is taken in its uncured or green condition, and thus is preserved before any change has taken place in its nature.
What I claim as new is The combination of the pipe E, having branches, and provided with cocks F and c,
ATENT ()rrroa the concave heads A A, applied. upon one of ber of trains of logs, as circumstances may the ends of the logs, and an engine or pump require, substantially as and. for the purpose connected with a supply-tank, whereby the set forth.
wood-preserving material may be applied at GEORGE B. SMITH. will to a train or parts of a train of logs, or Witnesses: to a single 10g, and the power concentrated on J. N. CAMPBELL,
one log or difi'used through a train or a num- J. TYLER POWELL.
US160846D Improvement in apparatus for preserving wood Expired - Lifetime US160846A (en)

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