US86089A - Improved fruit-jar - Google Patents

Improved fruit-jar Download PDF


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US86089A US86089DA US86089A US 86089 A US86089 A US 86089A US 86089D A US86089D A US 86089DA US 86089 A US86089 A US 86089A
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    • B65D51/00Closures not otherwise provided for
    • B65D51/14Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars
    • B65D51/145Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars by means of an additional element connected directly to the container


JOHN n. MAsoN, or Naw YORK, N. v.
Specification forming part of Letters Patent No. 86,089, dated January 19, 18139.
To all whom it may concern:
Be it known that I, JOHN L. MAsoN, of the city, county, and State of New York, have invented a new and useful Improvement in Sealing Preserve-Jars; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, making a part of this specification, in which- Figure l is a side view of my improved jar with its cover secured in place. Fig. 2 is a side view of the jar with its cover removed, showing the two gasket packing-rings in their places. Fig. 3 is an enlarged diametrical section through the upper portion of the improved jar, its cover, gasket packing-rings, and screw fastening, all in their proper places on the jar.
Similar letters of reference indicate correspondin g parts in the three figures.
This invention relates to a new and improved mode of hermetically sealing covers upon jars which are chiefly designed for preserving fruits, chemicals, and other substances which are decomposed or otherwise in) uriously affected by exposure to the air.
The object of my invention is to provide for the use of two india-rubber packing-rings npon the outside of a jar, one fitting upon an annul. r shoulder and the other embracing an annular double-beveled rib or flange surrounding the mouth of the jar above said shoulder, and in combining therewith aiiaringmouthed cap or cover, having a bead around its outer edge, and also a flexible metal screw-cap, which is constructed with a iiange upon its upper end, and adapted for screwing upon a thread formed on the outside of the jar and confining the cover down tightly in its place, so as to compress both packingrings, all as will be hereinafter explained.
To enable others skilled in the art to understand my invention, I will describe its conruction and Operation.
'i the accompanying drawings, A represents ajar, and B its cover, which I prefer to make of glass or other vitreous substance.
The upper portion of this jar has a screwthread, a, formed on it, adapted for receiving a flexible metal screw-ring, C, which is used to confine the cover B firmly in its place upon the jar, as shown in Figs. l and 3.
This screw-thread, which winds around the outside surface of the jar, terminates at its upper end in a fiatv annular shoulder, b, of suitable width to receive and support a iiat gasket or packing-ring, C, made of india-rubber or other suitable material.
From the gasket-receiving shoulder rises an annular rib or iange, c, which surrounds the mouth of the jar, and receives around it, outside of the jar, an india-rubber gasket-packing, d, that extends from the gasket-packing c quite or near to the upper edge of the jar, as shown in Figs. 2 and 3.
The exterior surface of the rib or flange c is formed with double-beveled surfaces t' s', so as to leave an angle at the point i extending entirely around the rib or iiange c. This angle t' is about midway between the shoulder b and top edge of the jar, and leaves the rib or iiange thickest at this point.
The cap or cover B is made cup-shaped, with its rim h terminating at its lower end in an external annular bead or shoulder, g, adapted for receiving upon it the flange Gr of screw-ring C, so that this ring can be made to confine the cover down firmly upon its seats, as shown in Fig. 3.
The internal surface s of the rim of cap B is cylindrical, or nearly so, and the cap at this point slightl greater in diameter than the external diameter of the rib or iiange c is in the horizontal plane t t. This cylindrical surface s terminates upwardly in an annular beveled surface, t, corresponding in bevel to the surface t above the angle t'.
The top surface of the cap or cover B may be flat, as shown, or it may have elevations formed on it by which to support the coverl upon an object when a jar is inverted.
The screw-ring fastening C Gris made of thin sheet metal by spinning, swaging, or in any other suitable manner. It being thus made, its flexibility will prevent it from breaking a jar or the cover thereof; and its iiange portion G, which draws upon the shoulder or bead g of the cover-rim, will yield and accommodate itself to the upper surface of this bead, so as to draw equally all around the cover and compress the two gasket packing-rings uniformly.
The parts thus constructed are put together in the following manner: The fiat gasket-ring c is first stretched over the rib or Han ge e and pressed flatly upon its shoulder b, so that its inner edge will fit snugly against this rib or flange at the angle formed by the junction of the upwardly-flaring surface s and shoulder b. The gasket or band-packin g dis then stretched around the outer double-beveled surface of the rib or Harige c, as shown in Figs. 2 and 3.
The cover B is afterward put on the jar and drawn down tightly in place by means of the flanged screw-ring G G, as shown in Figs. l and 3. In the act of screwing the ring C Gin place upon the jar the gasket c and gasket or band cl will both be compressed, and a tight joint will be made, which will be inclosed by the screw-ring.
The effect of the beveled surfaces vt t upon i the gasket or packing-band d above the angle at i is to compress this portion between said surfaces t t', and cause the less portion of this band to swell and iill the space inclosed between the surfaces s s', and thereby make a closely-packed joint above the shoulder b, and eft'ectually prevent the entrance of air into the jar or the escape of gas therefrom.
By this means the cover B will not be caused to adhere tightly to the gasket C by the action of acid generated or contained in this jar,
as such acid will be excluded from this gasket.
It will also be seen thatl while I Vhave a; double-packed joint I conine both the packings outside of the jar, so that its contents cannot be injured in the least by the packing,
nor can the metallic screw-ring be corroded by an acid confined in thejar.
I do not claim under this petition for apatcompressed Ving C G, and packings c Yent a preserve-jar having a screw-thread terminating upwardly in a gasket-receivin g shoulder, which is surmounted by an externally plain-faced rib or flange, as these features are shown in an application for a patent filed in the United States Patent Ofce by me on the 15th day of January, 1868; nor do I claim the exible metal screw-ring, nor a cup-shaped cover,norY asimple beveled mouth to a preserve-jar, as `these features, separately considered, are old and well known 5 nor do I claim, under this petition for a patent, a flanged cap or cover, in combination with a shouldered jar and screw-fastening, as such combination is .described and shown in another application filed by me.
What Ido claim as newrand desire to-secure by Letters Patent, is-fv Y l. A jar formed with a gasket-receiving shoulder, b, terminating upwardly in a rib or iiange, e, having double-beveled surfaces s t', adapted for receiving la packing-band, d, and a cover, B, which has an internally-beveled surface, t', substantially as described.
2. An externally-beveled rib or ange, e, a shoulder, b,'and a screw-thread, a, formed on a jar, in combination with a cover, B, having an internally-beveled rim, and an external rib cr shoulder, g, on said rim, screw-ring fastend, constructed and arranged substantially as described.
:J OIEINl L. AMASON. Witnesses:
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050109757A1 (en) * 2003-11-07 2005-05-26 Albert Ho Dual stage pre-heater
US20070192588A1 (en) * 2000-05-19 2007-08-16 Jim Roskind Adaptive multi-tier authentication system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070192588A1 (en) * 2000-05-19 2007-08-16 Jim Roskind Adaptive multi-tier authentication system
US20050109757A1 (en) * 2003-11-07 2005-05-26 Albert Ho Dual stage pre-heater

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