822

THE COLLIERY GUARDIAN.

April 18, 1913.

passed on to the rope, and the other adapted to be moved
by means of a pivoted lever (which is held in position by a
pawl and rack device) into contact with the other side of
the rope, so that the latter may be gripped to move the clip
in the direction in which it is travelling, the tub being
connected by any suitable means to the clip. The object is
to provide an improved construction of clip by which
several diameters of rope may be gripped by it, improved
means being provided for enabling adjustment to be made
for ropes of a particular diameter. The essential features
of the invention consist in the employment of an adjustable
centre in conjunction with a locking lever of the character
hereinafter described for moving the movable jaw; a slidable
or movable jaw guided by the main jiw and provided with
a renewable liner or gripping face; a special arrangement
of renewable liner for the main jaw, with or without means
for securing the locking lever in the gripping position.
Fig. 1 is a side elevation, partly in section, of a form of
haulage clip constructed in accordance with the invention;
figs. 2 and 3, elevation from the inner side and plan,
respectively, of an adjusting bush, washer or collar; and
fig. 4, elevation of the inner side of a modified form of bush.
(Five claims.)

8865 (1912). Process for the Production of a Weatherproof
Carbonaceous Fuel of Permanent Shape and for Rendering
Innocuous the Sulphur Contained in the Coal. E. Pollacsek,
-3, Via Settignanese, Florence, Italy.—According to this
invention, coal is mixed with a liquid containing slightly
more lime than is necessary for binding the injurious
sulphur and an organic binding agent such as starch, glue,
waste liquor from sulphite cellulose or the like, which
mixture is freed from water by drying and rendered porous,
moulded by any desired method, and finally impregnated
with a composition prepared by boiling crude petroleum oil
containing ozokerite or paraffin-like constituents with
bitumen and phenols, which composition is subjected to a
powerful blast of air until a consistency is reached at which
it will solidify when cold. For the practical carrying out
of the process a mixture of lime and an organic binding
agent, amounting to about 7 to 10 parts by weight, is
intimately mixed with 100 parts by weight of coal, which
is preferably in the form of dust. The mixture of lime and
binding agent consists of about 4 parts by weight of lime
in the form of a thick milk or a thin paste with about 3 to
-6 parts by weight of an organic binding agent of the above-
mentioned kind; only 2 to 3 parts of the lime used serving
for rendering the sulphur of the coal innocuous. The
mixture so obtained is allowed to dry in the air or at a
higher temperature, and can then be moulded. Since,
however, the addition of the lime increases the amount of
ash contained in the material and decreases its heating
effect, the alkaline nature and the porosity of the moulded
material are made use of to enable it to be enriched with
fuels of high calorific value. For this purpose, crude
petroleum oil, which contains ozokerite or paraffin-like
constituents in appreciable quantities or has been mixed
with such until it contains about 10 per cent, thereof, is
heated to boiling, and about per cent, bitumen and
phenols, which latter may with advantage be in the
form of crude phenol or creosote oil, is then stirred
into the boiling oil with a powerful supply of air
until the composition has acquired a consistency which
corresponds to a specific gravity of about 13*5 degs. Be. at
35degs. Cent., at which consistency the composition will
solidify at ordinary temperature. Into this composition,
so long as it remains at a temperature lying between
90 to 100 degrees Cent., is dipped the moulded carbonaceous
material, and the hot fluid mass penetrates thoroughly into
the pores thereof and becomes saponified therein with the
previously added excess of lime. (Two claims.)

9065 (1912). Improvement relating to the Manufacture of
Compressed Fuel. L. J. Thomas, 15, Cable-road, Hoylake,
Cheshire, and A. M. Hannay, 5, India-buildings, Water-
street, Liverpool.—This invention has reference to the
manufacture of briquettes from residue or waste anthracite
in the form of small grains and powder, such as that
generally called anthracite duff. According to the inven-
tion the anthracite duff briquette consists of about from
95 to 97 per cent, of duff; a small quantity of starch
adhesive, such as maize or sago starch, or the like; and a
small quantity of pitch; and also, in some cases, powdered
or disintegrated waste or cheap asbestos. These ingredients
are compounded together—say in the manner above specified
—and pressed and formed into briquettes. With regard to
the adhesive mixture used, the ingredients are used in about

the following proportions :—

Parts by bulk.

Maize (or equivalent) flour ..... 7	parts

Powdered or small asbestos ..... 1	part

Powdered pitch or bitumen   2 parts

Total ............. 10	parts

(One claim.)

11096 (1912). Improvements in Wire Rope Coupling Clips
for use in Collieries and other purposes. H. Weetman, 131,
Bentley - lane, Walsall, Staffordshire. — This invention
comprises improvements in wire rope coupling clips, and

refers to that class of such in which the wire rope is
connected within the coupling clip member by a frictional
connection, said member being pivotally or otherwise
.connected to a truck, cage, or the like. According to the

invention the main part of the coupling is formed in two
halves, and a core member is employed, having a plurality
of enlargements integral thereon coacting with corre-
sponding internal enlargements in longitudinal grooves in
the halves of the coupling, with or without grooves on said
core, so arranged that when the clip is assembled the rope
is frictionally secured therein. Fig. 1 is an elevation of the

b
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coupling clip. Fig. 2 illustrates the interior of same with
one-half of the clip removed. Fig. 3 illustrates the core
removed. Fig. 4 is a section through the complete clip at
4—4 in fig. 2. Fig. 5 illustrates a modified form of the core
in longitudinal section. Fig. 6 is a cross-section of same*
(Three claims.)

11778 (1912). Improvements in Rotating Mechanism for
Mechanically-driven Hammer Drills. O. Puschel, formerly of
20, Steinmetzstrasse, Berlin W. 57, now of 21d, Steglitzer-
strasse, Gross-Lichterfelde-West, Berlin, Germany.—This
invention relates to mechanically-driven hammer drills of
the kind in which the drill, driven by mechanically-delivered
blows, is rotated by worm gearing driven from the driving
shaft of the machine. According to the invention the drill
is driven by the blows of a rectilinearly reciprocating piston
actuated by motion received from the driving shaft, and
the drill is rotated by a worm wheel independent of the
hammer piston and rotatable on the head of the machine
casing, this worm wheel being driven from the driving shaft
by pulleys and a strap or like yielding connection, and
being provided with a bushing or sleeve serving to guide







the square part of the drill and extending at its front end
out through the casing head. This arrangement permits of
reliable guiding of the end of the tool, proper meshing of
the worm and worm wheel, reliable mounting of the worm
wheel, efficient taking up of the axial forces, ease of manu-
facture and conpact comstruction. As compared with the
arrangement known in percussion drills, the drill rotating
mechanism of the present invention is entirely independent
of the rectilinearly reciprocating hammer piston. This
piston does not move with the worm wheel, whereas in
percussion drills, in which the drill is in fixed connection
with the piston rod, the piston necessarily turns with the
drill. A constructional example of the invention is illus-
trated in the accompanying drawings, in which fig. 1 is a
longitudinal mid-section of the apparatus and fig. 2 a view
partly in section. (One claim.)

16105 (1912). Improvements in the Manufacture of Lined
or Composite Steel Tubes. B. Bose, of the Mount, Halesowen,
near Birmingham.—This invention relates to steel tubes for
boilers or for use with gas, steam, or water, of that compo-
site type which are lined internally with iron or other





suitable metal, in order to resist corrosion and pitting.
According to the invention the composite tubes are produced
by casting molten steel around an inner core or billet of
iron or other suitable metal, and then collectively rolling or
drawing the two component parts to the required length and

diameter. Fig. 1 represents a longitudinal section through the
inner core or billet after the outer steel casing has been cast
around it; fig. 2 shows the said core and casing after they
have been rolled or drawn out to the required length;
fig. 3 is a longitudinal section through the completed tube,
after the inner core has been axially bored or pierced. (Two
claims.)

17263 (1912). An Improved Coupling Device for Colliery
Tubs and the like. J. B. Manley, Gresford View, Summer
Hill, near Wrexham.—This invention relates to the coupling
arrangement of colliery tubs and the like, and has for its
object to provide a coupling device which shall be simple in
construction and durable in use, and shall, when out of use,
project as short a distance as possible from the end of the
tub, and shall be flexible in use and capable of being readily
coupled and uncoupled when required, whilst being secure
against accidental uncoupling when in use. Fig. 1 is a side
elevation, and fig. 2 an underneath plan view of the arrange-
ment. Fig. 3 shows the application of the arrangement to
a colliery tub. The draw-bar a has a vertical slot in its
end, and a pin or bolt b is arranged to extend across this
slot. On this pin is mounted a link c, the opening in which
is slightly wider than the diameter of the pin. This link c,
which is comparatively short, carries a second link d which
also passes through an eye in the end of the coupling hook e.
When the coupling hook e is not in use, the hook and the
two links c and d hang vertically downward below the
horizontal pin bt and accordingly project outwards to only
a comparatively short distance beyond the end of the draw-
bar. The draw-bar preferably has the form of a flat strip
which is slotted at each end and has the parts at each side
of the slot formed into eyes h to receive the horizontal
bolt b. This latter is preferably provided with a hexagonal
or square head which lies against one of the sides of the
draw-bar, whilst at the other side is arranged a nut which



* e

is adapted to be screwed up against the face of the draw,
bar and to be locked in position—for instance, by burring
the outer thread or threads on the bolts. Owing to the
flexibility of the connection between the draw-bar and the
hook it is an easy matter to couple up adjacent tubs by the
insertion of the hook on one tub in the link which carries
the hook on the other tub. The flexibility is also advan-
tageous when the tubs are moving round corners. In order
tn obtain the most satisfactory results it appears desirable
that the different members of the coupling arrangement
should have approximately the relative dimensions shown
in the accompanying drawings. In connection with this
point attention is called to the fact that the small link c can
have only a comparatively small amount of play in the slot
ju the end of the draw-bar a. This places a limit to the
bending stresses which may come upon the bolt b, and the
eyes h, so that the probability of deformation of the bolt or
of the eyes is minimised. This result is an important one
since the advantages of ease of removal of the coupling
members for repairs or replacement which the arrangement
possesses would be lost or greatly diminished if deforma-
tion of the bolt or eyes were to take place. It will also be
seen that the second link d has only the possibility of
comparatively small rearward movement in the link c from
the position shown in figs. 1 and 2, so that the relative
positions of the parts are approximately fixed, whilst ample
flexibility is obtained. This arrangement provides that the
link c cannot obstruct the opening in link d, so that the
coupling hook of the adjacent tub can always be easily
inserted in the link d. (Three claims.)

19738 (1912). Improvements in and relating to Iron Piles.
Fried. Krupp Aktiengesellschaft, of Essen, Germany.—This
invention relates to iron piles, which, when assembled with
adjacent piles, afford them a reliable guiding and, after
being rammed in, form a double pile wall. The subject-
matter of this invention is an iron pile of the above-
mentioned kind, the characteristic feature of which is that
it is of such form that when its lower end is pointed, an
operation which may be conveniently carried out previous
to its being rammed in, a very strong point is produced.
Fig. 1 is a transverse section through a wall composed of
iron piles, constructed according to this invention; fig. 2 is
a vertical central section through that portion of a rolling
train, suitable for the manufacture of such piles, which
contains the rolls for effecting the final rolling. For the
purpose of manufacturing a pile, a bar of cruciform
transverse section is first rolled out in the well-known way,
two of the four arms of the bar, viz. those lettered A, being
longer, by the same amount, than the other arms A1. The
two long arms A are then successively rolled over, at their
free ends, in the portion of the rolling train shown in fig. 2,
in such a manner that two convergent, hook-shaped bent-
over flanges a* are formed. As shown in fig. 1, the dimensions
are such that the distance, measured on the inside, of each