US826701A - Fire-finishing articles of glassware. - Google Patents

Description

No. 826,701. A PATENTBD JHM gg 1906.

1J. F. TU RRBNGB.

- -FIRE FINISHING ARTICLES 0F GLSSWARB.' v.lwPLltwrxolsr 'FILED' PEB. 1o. 1904.

glass article, the opening `ished. Extending from the -panying drawlngs, forming part of this speciadapted to the fire-finishing of th `faces of finger-bowls, tumblers, nappies, and

UNITED g sTATEs PATENT oEEIoE.`

FmE-FINISHING AnTloL Specification of Letters Patent.' application nea :February 1o, 1904. serai No. 192,866. Y

Es oF GLAsswAag.

Patented Jury 24, 190e.l

Tc whcn/ may concern.'

Beit known that I, JAMES, FREDERICK ToR- RENeE, of Rochester, in the county'ot Beaver and State of Pennsylvania, have invented a new and useful Improvement in Ap aratus for Fire-Finishing Glass Articles, cip which the following is a full, clear, and exact description, reference being had to the accomication, in whi .h

igure l is a vertical improved apparatus. the same. Fig. 3 is a of the cover.

Like figures of reference indicate like parts wherever they occur.

My invention relates to an improved device for fire linishing or glazing blown or pressed glass articles, and it is especially sectional view of my Fig. 2 is a plan view of plan of a modication .e inner sursimilar hollow articles.

My invention consists of a heatin -chamber and a support or holder for hol 4ing the article Within "the zone of heat; and itV also consists in devices for preventing the distortion of the article by the action of the heat.

In the drawings, 2 represents a heatingchamber mounted on a suitable truck 3 to enable it to be readily moved from lace to place. Opening into the bottom of t e heating-chamber 2 1s a burner 4, `having a gaspipe 5 and an air-pipe 6, the burner being of any suitable form which will produce a glazing heat within the chamber'2. On top of the chamber 2 is a supporting-lid 7, having an opening 8. This lidis provided with a handle 10, by means of which the imperfe- -rate portion of the lid may be brought over the top of the chamber 2 when the chamber is not 4in use, and the opening 8 may be brought over the top of the chamber when it is desired to fire-finish a iinger-bowl or other 8 'being slightly greater in diameter than the article to be iintruck 3 is a standard 11, on which the cover 7 is adjustably mounted by means of an extension 9 of the cover and a collar and set-screw 12.

Above the cover 7 is a slidable bracket-arm l 13, which may be vertically adjusted on the rod 11 by the set-screw 14. At the end. of the bracket 13 is an eye adapted to recelve and support the nozzle of an air-pipe 15, by

means of which air may blownidowln upon the outer surface of the inverted glass article while it is being subjected to the action of the glazing heat. The walls of the chamber 2 are preferably formed of fire-clay op other refractory material.

The operation of my improved apparatus is as follows: The chamber 2 having been suitably heated by the burner 4, the {ingerbowl or other glass article 16 is brought to the top of the chamber in an inverted position on the carrier 17, which carrier is open at the center and is provided with supporting-feet 18 and is of a greater diameter than that of the opening 8. The carrier with the article thereon is placed over the opening 8 and the inner surface ofthe article subjected to the glazing heat. At the same time a jet of air may be allowed to pass from the pi e 15 against the outer surface of the article, tiie purpose being to keep the article sufficiently cool to prevent distortion of the same through the softening of the glass under the glazing heat. When the glazing has been accomplished, the article is removed and another put in its place. During any interval in the carrying of the articles to the apparatus .the imperforate portion of the cover 7 may be brought over the top of the chamber 2, retaining the heat therein during such interval.

Although I have described a glory-hole or glazing-furnace having a single he ating-chamber 2, the furnace may be provided with a series of heating-chambers, each, if desired, being provided with a cover and with a suitable rest for the article.

In Fig. 3 I have shown a modified form of cover, there being two openings 8 and 8a, so that the opening 8, with the article to be fire- :linished over the same, may be brought over the glazing-chamber by the handle 10, and after the article is finished the second opening 8a may be brought over the glazingchamber in a like manner for the reception of another article. In this modification I have shown a movable cover. to the opening 8a, provided with an operating-handle 10a. In glazing small articles a smaller chamber -2 without a cover 7 may be employed.

rIhe advantages of my improvement will be appreciated by those skilled'in the art. It provides means for the glazing of the inner surfaces of glass articles, and it may also be used for the glazing of the outer surfaces by IOO providing vholders of different shapes or consruction for diierently shaped or sized artic es.

I claim- 1. In apparatus for fire-finishing glass ar-` ticles, the combination of a burner, a support v ing the article to be fire-finished Within the zone ofl glazing heat, and means for a plying a cooling medium to the surface of t ezarticle opposite to that which is being igeinished to prevent distortion of the artiole bythe heat.

2. In apparatus for nre-finishing glass articles, the combination of a heating-chamber provided with an openngiln the top, a burner, 15

and a movable cover pivoted eccentrically to the heating-chamber and having an opening therein and also an integral imperforate portion atA one side of the opening to cover the opening in the heating-chamber when the zo latter is not in use.

In testimon3T whereof I have hereunto set my hand.

JAMES FREDERICK TORRENCE.

Witnesses:

A. M. STEEN, WALTER FAMARrss.

Images