US174638A - Improvement in fruit-jars - Google Patents
Improvement in fruit-jars Download PDFInfo
- Publication number
- US174638A US174638A US174638DA US174638A US 174638 A US174638 A US 174638A US 174638D A US174638D A US 174638DA US 174638 A US174638 A US 174638A
- Authority
- US
- United States
- Prior art keywords
- jar
- neck
- cap
- fruit
- threads
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000203 mixture Substances 0.000 description 6
- 235000013399 edible fruits Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
- B65D41/0428—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a collar, flange, rib or the like contacting the top rim or the top edges or the external surface of a container neck
Definitions
- fruit-jars have been made with recesses cut on opposite sides of the neck, and corresponding threads formed on the inner surface of the metalliccap.
- the said recesses were formed at an obtuse angle to the surface of the neck, and extended around only a portion of the surface of the same, thereby leaving nearly one-half of the surface of the neck of the jar unprovided with holding or binding surfaces. It is evident that the greater the pitch of a thread, its power is correspondingly reduced, and it is of the greatest importance. in fruit-jars that as little pitch be given the threads on the neck of the jar.
- the object of my invention is to obviate the defects above set forth and to that end it consists, first, in a fruit-jar having double overlapping threads formed on the neck of the same, in combination with a metallic cap provided with double overlapping grooves in its interior surface,.the said grooves adapted to engage with and vclosely fit the threads on the neck of the jar, second, the combination of a rubber gasket with a fruit-jar and metallic cap, constructed as above set forth.
- Figure l is a side elevation of my improved fruit-jar with its cap in position.
- Fig. 2 is a side elevation of the upper portion of the jar, with the cap removed to show the double overlapping
- Fig. 3 is a side elevation of the upper portion of a fruitjar, showing the neck of the jar provided with threads of increased length.
- Fig. 4 is a top view of the jar shown in Fig. 2.
- A represents the jar,whichis made of glass or other suitable material, the neck of which is provided with double overlapping screwthreads 0 0.
- a ring, D around the outer. surface of which the rubber gasket E is placed. constructed with double overlapping spiral grooves F, which engage with and closely fit the threads 0 O on the neck of the jar.
- the cap when turned down on its seat, will have a firm and
- the cap B is v equal bearing on every portion of the neck of the jar, and produce an equalized pressure on the entire surface of the rubber gasket, thereby insuring a perfectly tight joint;
- cap is rapidly forced to its seat, as it requires to be turned only one-half the distance necessitated where a single-threaded jar and cap are used.
Description
lvrrnn STATES .a'rnlvr Grrron THOMAS G. OT-TERSON, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN FRUIT-JARS.
Specification forming part of Letters Patent No. 174,638, dated March 14, 1876; application filed November 4, 1575. v v
To all whom it may concern Be it known that I, THOMAS G. ()rrnRsoN, of Philadelphia, Pennsylvania, have invented an Improvement in Fruit-Jars, of which the following is a specification gasket is placed. It has been found, in practice, that fruit jars constructed as above set forth are defective in two particulars. First, the gasket is subjected to an uneven pressure, and when the cap is turned down snugly on its seat it wrinkles the gasket, and one side of the same is not held against the jar with sufficient pressure to insure a vperfect air-tight joint. This defect results from the fact that in order to allow of the ready attachment of the cap to the jar slight play is necessary between the respective threads of the cap and jar, and as the cap is screwed home on the jar the threads in close proximity to the base of the neck will firmly wedge one side of the gasket between the cap and jar, while the resiliency of the metal of which the cap is formed serves to take up the slack between the threads of the cap and jar, and therefore prevent a tight joint on the opposite side of the neck of the jar.
Again, when a single screw-thread, consistin g of two or more turns, is formed on the neck of the jar, the neck is obliged to be made of considerable length, and is liable to become broken in manufacture, and also the cap must be revolved about the neck as many times as there are turns of the single screw-thread.
Again, fruit-jars have been made with recesses cut on opposite sides of the neck, and corresponding threads formed on the inner surface of the metalliccap. The said recesses were formed at an obtuse angle to the surface of the neck, and extended around only a portion of the surface of the same, thereby leaving nearly one-half of the surface of the neck of the jar unprovided with holding or binding surfaces. It is evident that the greater the pitch of a thread, its power is correspondingly reduced, and it is of the greatest importance. in fruit-jars that as little pitch be given the threads on the neck of the jar.
threads as possible. Where recesses are formed in the neck of the jar, as above set forth, it is impossible to form them with the desirable pitch for insuring a reliable attachment of the cap to the jar, as the material between the recesses is of insufficient strength to sustain the pressure brought to bear on the same.
Again, to allow of the engagement of the threads on the cap with the recesses in the neck of the jar, the face of the neck must be cut away to receive the same, and when thus constructed two sharp cutting-edges are presented on the neck, against which the threads on the cap must be forced, whereby the cap is soon rendered inefficient and useless.
The object of my invention is to obviate the defects above set forth and to that end it consists, first, in a fruit-jar having double overlapping threads formed on the neck of the same, in combination with a metallic cap provided with double overlapping grooves in its interior surface,.the said grooves adapted to engage with and vclosely fit the threads on the neck of the jar, second, the combination of a rubber gasket with a fruit-jar and metallic cap, constructed as above set forth.
In the accompanying drawings, Figure l is a side elevation of my improved fruit-jar with its cap in position. Fig. 2 is a side elevation of the upper portion of the jar, with the cap removed to show the double overlapping Fig. 3 is a side elevation of the upper portion of a fruitjar, showing the neck of the jar provided with threads of increased length. Fig. 4 is a top view of the jar shown in Fig. 2.
A represents the jar,whichis made of glass or other suitable material, the neck of which is provided with double overlapping screwthreads 0 0. Between the threads 0 G and the shoulder E'of thejar there is formed a ring, D, around the outer. surface of which the rubber gasket E is placed. constructed with double overlapping spiral grooves F, which engage with and closely fit the threads 0 O on the neck of the jar.
As the threads 0 0 start on opposite sides of the neck of the jar, and extend to the base of the same on an equal pitch, the cap, when turned down on its seat, will have a firm and The cap B is v equal bearing on every portion of the neck of the jar, and produce an equalized pressure on the entire surface of the rubber gasket, thereby insuring a perfectly tight joint; also, the
cap is rapidly forced to its seat, as it requires to be turned only one-half the distance necessitated where a single-threaded jar and cap are used.
Having, fully described my invention, what I claim, and desire to secure by Letters Patent, is
1. The combination, with a fruit jar the neck of which is provided with double overlapping screw-threads, of a metallic cap hav-
Publications (1)
Publication Number | Publication Date |
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US174638A true US174638A (en) | 1876-03-14 |
Family
ID=2244045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US174638D Expired - Lifetime US174638A (en) | Improvement in fruit-jars |
Country Status (1)
Country | Link |
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US (1) | US174638A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2639057A (en) * | 1949-03-15 | 1953-05-19 | Gronemeyer Erich | Container closure |
US6695160B1 (en) | 2001-08-30 | 2004-02-24 | Rexam Medical Packaging Inc. | Top load seal protection feature |
-
0
- US US174638D patent/US174638A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2639057A (en) * | 1949-03-15 | 1953-05-19 | Gronemeyer Erich | Container closure |
US6695160B1 (en) | 2001-08-30 | 2004-02-24 | Rexam Medical Packaging Inc. | Top load seal protection feature |
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