Improvements in the Dies or Moulds Employed in Machinery for Making and Pressing Bricks or Briquettes or other similar Articles.
Year: 1889

page_text: Date of Application, 17th Jan., 1889
Complete Specification Left, 17th Oct., 1889-Accepted, 30th Nov.,
1809
Complete Specification Left, 17th Oct., 1889-Accepted, 30th Nov., 1003
PROVISIONAL SPECIFICATION.
Improvements in the Dies or Moulds Employed in Machinery for
Making and Pressing Bricks or Briquettes or other similar
Articles.
THOMAS WHITTAKER 141 Burnley Road Accrington in the county of Lancaster
Engineer do hereby declare the nature of this invention to be as follows:-
This invention relates to a peculiar construction and arrangement of Moulds or
Dies, used in Machinery for Making or Pressing Bricks or Briquettes or other similar
articles. The object is to provide means whereby the size of the mould or moulds,
shall always be the same after being replaned, and that the same side plates, end, and
mid-blocks, may be used again and again without any further adjustment, than just
planing the face. This is accomplished by substituting for the usual solid end or mid
block, one which is made up of two folding wedge shaped pieces, bevelled to the
required angle. These fit into a groove on each side of the mould; and by reason of
the wedge arrangement when the side plates are tightened up, the two wedge shaped
pieces slide over each other and fill up the groove, so that the faces of the end or
mid-blocks always come up to one place. So that after replaning no readjustment is
necessary, it being only needed to take a cut off the thin end of the wedges to enable
them to be tightened up to fill the groove.
Dated this 16th day of January 1889.
LAWRENCE WHLIIANEN.
COMPLETE SPECIFICATION.
Improvements in the Dies or Moulds Employed in Machinery for
Making and Pressing Bricks or Briquettes or other similar
Articles.
I THOMAS WHITTAKER of Accrington in the County of Lancaster, Engineer,
do hereby declare the nature of this invention and in what manner the same is to
be performed, to be particularly described and ascertained in and by the following
statement:-
My invention relates to improvements in the construction of moulds for machines
for making or pressing bricks, briquettes or other substances.
The object is to provide means whereby the size of the mould shall always be the
same after being replaned and that the same side plates and end and mid blocks may
be used again, and again without any further trouble than just replaning the face.
This is accomplished by substituting for the usual solid end block or midfeather, a
block or midfeather which is made up of two folding wedge shaped pieces bevelled to
the required angle. These fit into a groove on each side of the mould or die and by
reason of the wedge arrangement. When the side plates are tightened up the face
of the end or midblock always come up to one place, so that after replaning no
readjustment is needed it being only necessary to take a cut off the thin end of the
wedges to enable them to be tightened up to fill the groove.
Fig. 1 is a perspective view of a double mould.
Fig. 2 is a plan view of a single mould.
Figs. 3 and 4 are perspective views of transverse pieces.
a are longitudinal pieces recessed at, b, so as to leave acting faces or surfaces c and
abutments d, e bolt holes, transverse wedge shaped pieces. The pieces f are preferably
formed one with a projection 9 and the other with a corresponding recess h; i are
grooves through which bolts pass.
g

page_text: The usual frame or container is provided to receive the mould above described. it
will be evident that if the acting surfaces of the longitudinal and transverse pieces
are planed or trued up after boing damaged or worn that as the transverse piecesfit
against the abutments & the length of the mould will not be altered and that owing to
the wedge shape of the transverse pieces the sides will approach each other just
sufficient to compensate for the portion cut away.
Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed I declare that what I
claim is :-
Moulds or dies having folding wedge shaped ends mid-feathers or both in com-
bination with grooved sides substantially as and for the purpose set forth.
Per pro J. T. KING,
J. Johnson,
Agent.
Per pro J. T. KING,
J. Johnson,
Agent.