Soda-Tank for Dipping Lumber Page: 4 of 5
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1,011,280
which the lumber is dropped from the
. chains as it falls off the delivery-end of the
latter upon guides P. The driving-shaft H
may be turned by means of a sprocket-wheel
5 h2 on one end, or any other suitable means.
The length of the tank and the number
of chains will, of course, depend upon the
length of the planks and other lumber to be
treated. - It will be observed that all of the
to moving apparatus is located within or im-
mediately over the tank, and therefore none
of the drippings from the solution can fall
outside. The slacking of the chain allows
different thicknesses of lumber to be carried
15 through without trouble, as each plank as
soon as it strikes the solution tends to float
and is therefore turned to a horizontal po-
sition in which the edge can be caught by
the teeth i'.
20 In the more. elaborate form of the tank
which we have shown in Sheet 2 of the
drawings, the construction is similar to that
already described, and hence the same parts
are designated with the same reference-
25 numerals, except for the guides and their
mountings which are differently arranged.,
In this form of our invention we make the
guides vertically movable so as to adapt the
machine to handle any of the different sizes
30 of sawed lumber. On each end of the tank
are mounted a pair of grooved standards
Q, and the guides J are independently
mounted upon a framework consisting of
longitudinal beams j2 and transverse bars
35 fj, j'. At each corner of the frame is se-
cured a fin or flange j, which runs in the
groove of the corresponding standard Q, the
edges of said fins being convexly curved so
that the frame as a whole may rise on either
40 side independently of the other side. On the
infeed side the guides J are formed with an
extension j8 which prevents their ends from
getting caught against the edge of a piece
of lumber in case it should be tilted in the
45 reverse direction from that of the drawing.
It will be seen that, in this arrangement, the
sticks of lumber are always held down
against the chain, and whenever an extra
heavy piece is fed in, the guides rise to ac-
so commodate it, first at one side and then at
the other, so that no strain is put .upon the
chains, and furthermore the lumber is
always held in contact with the latter.
While we have hereinabove shown the
55 most improved form of our invention, we
wish it understood that not all of'the fea-
tures are essential thereto or necessarily
made in the exact form shown, but various
changes and modifications in the. construe-
60 tions as herein shown may be made without
departing from the spirit of our invention,
and we wish it understood therefore that
the latter is not otherwise limited than by
the reasonable scope.of our claims.
65 Having thus described our invention,what we claim as new and desire to secure
by Letters Patent is-
1. In a dipping-tank for lumber, in com-
bination with a conveying-device adapted to
carry lumber out of said tank, means for 70
removing the, superfluous liquid from the
lumber after it leaves the solution and be-
fore it passes out of the tank; said means
comprising a brush disposed below the path
of said lumber and in position for wiping 75
the lower .side thereof.
2. In a dipping-tank for lumber, in com-
bination with a conveying-device adapted
to carry lumber out of said tank, means for
removing the superfluous liquid from the 80
lumber after it leaves the solution and be-
fore it passes out of the tank; said means
comprising a pivotally mounted brush dis-
posed below the path of the lumber, said
brush pointing upward in position to wipe 85
the lower face of the lumber as it passes
from the brush and being weighted so as to
maintain said brush yieldingly in position.
3. An apparatus of the class described
comprising a flattened tank adapted to hold 90
a chemical solution, a plurality of journal-
bearings mounted on each side of and di-
rectly over said tank, a driving-shaft turn-
ing in the bearings set on one side of said
tank, a plurality of sprocket-wheels turn- 95
ing on said shaft, a second set of sprocket-
wheels turning in a shaft in the bearings on
the other side of the tank, conveying-chains
disposed transversely across said tank and
each carried on a sprocket-wheel on each 100
side, said chains being sufficiently slack so
that both laps thereof dip into the solution
therein, and a wiper comprising a brush
disposed below the path of the lumber at the
delivery side of the tank and at a point
above the level of the solution, said brush
being directed upward in a position to wipe
the lower face of the lumber as it passes
over said- brush.
.4. An apparatus of the class described 110
comprising a tank of flattened V-shaped sec-
tion adapted to hold a solution, a pipe dis-
posed at the apical angle of said tank for
filling '-and draining the same, upright
flanges at the edges of said tank adapted to 115
retain the liquid therein, a plurality of ped-
estals disposed within said flanges at each
side of said tank, the pedestals at one side
being opposite those of the other, sprocket-
wheels carried by the several pedestals, 120
means for driving the sprocket-wheels on
one side, slack conveying-chains extending
across the tank and mounted on sprocket-
wheels on opposite sides, the ends of the
chains being above the solution and the 125
middle portion of each lap depending into
the -solution, a plurality of curved guides
disposed transversely over said tank mid-
way between the sides thereof and dipping
into the solution therein, said guides co- 1300
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Trout, Walter Charles & Trout, William Henry. Soda-Tank for Dipping Lumber, patent, December 12, 1911; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth514116/m1/4/?q=%22~1~1%22~1: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.