US995325A - Die for sash-weights. - Google Patents

Description

UNITED sT TEs WILLIAM oLAnksoN,

PATENT, OFFICE.

or consr'cana, TEXAS.

are run sasmw'nrenrs,

To all whom it may concern.

Be it known that I, WILLIAM CLARKsoN, a citizen of the United. States, residing at Corsicana, in the county of Navarro and State ofTexas, have invented new and: useful Improvements in Dies for of which the following is a specification. V

The present. invention relates to devices for casting sash weights and similar-bodies. It comprehends, primarily, an improved die for forming the end of the weight and for removably supporting, during themold ing operation, the eye to which the sash cord or the like is attached, the die being so con structed that no special fitting of the member constituting the eye to the seat provided therefor in the die is necessary, and, further, that removal of said die from the mold is rendered possible as soon, or practically so, as the pouring of the metal has been complated, leaving the said eye member emedded in the metal. This result is ob tained by utilizing a solid die formed with an unobstructed seat which opens through the upper face thereof and is adapted to re- Said member, however, occupies only a portion of the seat, the

remainder of the latter, 2'. e. the space between the opposite branches of the member, being filled with molding sand which obviously offers no obstruction to the withdrawal of the die from the mold.

The invention will be readily understood from the accompanying drawing, wherein Figure 1 is aperspective view of'the improved die; Figs. 2 and 3 are central vertical sections taken at right angles to each other throughFig. 1; Fig. 4 is a detail view of the preferred form of eye member; Fi 5 1s a vertical sectional view of the molding de vice com lete; and Fig. 6 is a detail view of the finished weight.

In said drawing, 1 indicates, in a general manner, the mold, 2 the improved die, and 3 the eye member. 'The first of these elements may be of th rdinary or anypreferred type and is provided with the usual vertical mold cavity or bore 4.

The die, or, as it is generally termed, chill, is constituted by a solid metal body, as opposed to the split, or two-part, dies or chills frequently used. The upper face thereof may, if desired, be concaved to produce the on 5' for shaping the adjacent end of the weiglit 6, as shown in Fig. 6. There is also formed in said die the seat- 7 forum- Sash-Weights,

H Specification of Letters Patent. Patented liune 13 1911 Application filed Febr'uary.7, 1911.

, Serial No. 607,014.

t'ering and" supporting the eye member. This seat has the shape of a narrow halfloop, its bottomwall being rounded to conform: to-the bi'ght portion of said eye memtier, which latter is preferably constituted y a is to be observed that said seat opens unobstructedly through the cupped u per face of the die, the term unobstructe as applied, indicating that the opening in said face has-substantially the same shape and dimensionsas thebottom wallofthe seat, thus d'iiferentiating from a U-shaped groove' or -seat wherein a solid portion or land exists or lies between the two branches orlegs of the groove. Where a U-shaped or circular eye member is employed, the same may be readily fitted into and withdrawn from a half-loop or undbstructed seat without requiringany special finishing either of the seat or of the member itself, whereas such a member can obviously be utilized in connection with a U-shapedseat only when the die wherein the lattg g is formed is of the two-part type, and al en in that instance, special finishing will frequently be necessary.

The molding operation is carried out substantially as follows: The eye member is fitted in its seat in the die, butoccupies dnly a portion of such seat, owing to the open or unobstructed character thereof, so that a space, indicated by the numeral 8 in Fig. 5, 1s left between the branches or is s of the member. This space is filled wit molding sand, designated by the numeral 9, the filling being readily inserted by reason of the-above-described character of the seat. The die, with the eye member andfilling in place, is then positioned in the lower en of the mold cavity or bore 4, after which the molten metal is poured thereinto in any suitable manner." As soon, or approximately as soon, as the pouring operation has been completed, the die is removed from themold', leaving the eye member embedded in the weight, the sand being carried-out of the space 8 as the eye member is withdrawn. It will be seen, therefore, that the structural characteristics of the die are such'that it may be inserted directly into the mold bore or cavity rather than merely at the bottom end thereof, that no special operations are necessary to enable the eye member to be fitted in and removed from its seatin said die, (i. efopening and closing the parts of bent nail or-siinilar headed device. It

comnmntype, or aloop-shaped strip of wire, .may be used in lieu of the nail, any one of use \vithequal facility, so far as the die is concerned, although the nail 1s deemed most advantageous for the reason stated.

.seat of substantially half-loop shape open-"'- -ing. unobstructedly through the upper face thereof, and a substantially U -shaped eye the die, and careful positioning of said member), and that-no accurate or particular finishing of said die is essential.

As regards the eye member itself, such member is preferably in the form above described and shown in Fig. l, that is to say, a bent or Ushaped nail whose embedded head 10 prevents it from working loose and falling or being pulled out. It is to be understood, however, that a staple of-the the devices above specified being capable of I claim as my im'ention:

1., V The conibmation of a solid die of integral construction formed with a vertical nember removably supported in said seatwith its ,bight portion in contact with the 'bottom wall of the seat.-

2. The c mbination' of a solid die of integral consiruction formed with a vertical seat of substantially half-loop shape opening unobstructedly through the upper face thereof, a substantia'lly U-shaped eye member fitted in said seat and arranged for withdrawal endwise directly through the open end of the same, and a filling of granular material occupying that portion of the seat which lies between the two legs of said memher, said filling beingremovable from said seat when said member is withdrawn therefrom.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

WILLIAM CLARKSON.

\Vitiiesses V11. CLARKSON, J12, C. T. Mouse.

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