US292007A

US292007A - Mold for pressed glassware

Info

Publication number: US292007A
Authority: US
Publication date: 1884-01-15
Anticipated expiration: 1901-01-15

Description

(No Model.)

W. HALEY.

MOLD FOR PR'ESSED GLASSWARE. N0.-292,007. Patented Jan. 15, 1884'.-

)1, l 1 H S l A 1 V I! I H a \i v w VIII/l).

N. PETERS, Pnow-mha m mr. Wishing 11111 c.

NITE rarns ATEN'I amen.

WILLIAM HALEY, OF RAVENNA, OHIO.

-MOLD FOR PRESSED GLASSWARE.

SPECIFICATION forming part of Letters Patent No. 292,007, dated. January 15, 1884:.

Application filed February 3, 1883.

T0 at whom it may concern:

Be it known that I, WILLIAM HALEY, of Ravenna, Portage county, Ohio, have invented a new and useful Improvement in Molds for Pressed Glassware, of which the following is a specification.

Hy invention relates. to molds for pressed glassware having a hole through it, in which the plunger, while descending to shape the glass in the body, comes in close contact with the top of a plug and forces the plug down with it, and when the glass has been sufficiently pressed the plug is forced still farther down by means of a lever and the plunger lifted. A sliding sleeve on the plug and also two half-1i ngs hinged together are used in pressing glass into articles of peculiar shapes, such as those having annular recesses or flaring bottoms, as seen in a glass globe, for the screw to tighten against, and in various forms of lampburners.

In the drawings forming a part of this specification, Figure l is an elevation with a part of the bottom plate broken off, and Fig. 2 is a vertical section.

The plunger a and ring o may be attached to a press in the ordinary and well-known manner. When plunger a is being forced down into body I), and before the glass in the body is pressed, the plunger comes in contact with the top of plug 0, fitting the top very closely to prevent any glass from entering between plug 0 and plunger a. As the plunger continues to descend, it forces plug a down with it until the glass has been sufficiently pressed. Plunger a may then be drawn up and plug 0 forced still farther down by means of lever Z, for the purpose of partially withdrawing the plug (which is slightly tapered) from the glass before the latter has contracted too much by cooling. Lever Z is pivoted in the slotted side of bottom plate, (Z, and also ted for the purpose.

in the lower end of plug 0, which is slot- Sleeve e is vertically slotted on one side to receive lever Z. The outer end of lover I is provided with aweight, w, sufficient to lift plug a. Sleeve 6 on plug cis caused to move vertically in bottom plate, d, by means of a sliding bar, 6, which extends through bottom plate, cl, and enters inclined (No model.)

grooves t in opposite sides of sleeve 6, the parts of the bar which slide in the grooves being correspondingly inclined, as seen in the lower part of Fig. l. The purpose of sleeve 6 is to enlarge the diameter of the glass in the bottom of the mold in making glass articles which have flaring bottoms. When the article has been thus molded, and before the glass has materially contracted by cooling, sleeve 0 is to be drawn down away from the glass by pulling on sliding bar 6'.

The ring formed by two halfrings, s s, is used for the purpose of forming an annular recess or other depression in the outside of the glass. It is formed in two half-rings, that it may be opened to allow the pressed glass, when it has sufficiently cooled, to be removed from the mold.

In the drawings the mold is represented as having been placed in position under plunger a, which has already descended till in contact with the top of plug 0, the plug being held up by weight w 011 the outer arm of lever Z. WVhile plunger a continues to descend to press the glass, it forces down plug a, which slides in sleeve 0, the latterbeing held up by sliding bar 6. \Vhen plunger a has thus descended until the glass has been sufficiently pressed, it is to be drawn up. The outer end of lever Z is to be lifted for the purpose of still further lowering plug 0, to prevent the cooling glass from contracting against it, and for the same purpose sleeve 6 is to be lowered by pulling bar 6 to slide it in grooves on opposite sides of sleeve e The operator, by continuing to pull on bar 0, may draw or slide the mold from beneath plunger a, and then by grasping handles h h of body I) the latter may be turned bottom side up and lifted from the molded glass, after first opening half-rings s s, by means of their handles 0, to release the glass.

I claim as my invention-- 1. In molds for pressed glassware, the plunger, in combination with a sliding plug to form an opening through the glass, having its upper end above the molten glass to be pressed,

and closely fitting the plunger while the lat ter is forcing down the plug and molding the glass, substantially as described.

plug and sleeve, substantially as described.

3. In molds for pressing glassware, the plug 0 and its sleeve 6, each having vertical movement independent of the other, in combination with the Weighted lever l, sliding bar 6, bottom plate, d, hinged half-rings s s, and plunger a, the sliding plug 0 extending above the molten glass to be pressed, and its upper end closely fitting the bottom of plunger a, substantially as described.

WILLIAM HALEY.

WVitnesses:

JOSEPH BLAOKSHAW, GEO. F. ROBINSON.