US725967A - Apparatus for closing vessels in vacuum. - Google Patents
Apparatus for closing vessels in vacuum. Download PDFInfo
- Publication number
- US725967A US725967A US2948200A US1900029482A US725967A US 725967 A US725967 A US 725967A US 2948200 A US2948200 A US 2948200A US 1900029482 A US1900029482 A US 1900029482A US 725967 A US725967 A US 725967A
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- Prior art keywords
- cover
- bottle
- shell
- air
- mouth
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/003—Adding propellants in fluid form to aerosol containers
Definitions
- FIG. 1 represents a bottle with the apparatus embodying my invention applied thereto, said apparatus being shown in central vertical sectional view.
- Fig. 2 represents the upper portion of the apparatusin sectional view, with the mouth of the bottle closed.
- Fig. 3 is a top view of the glass cover by which the mouth of the bottle is closed.
- Fig. 4 represents the mouth vof the bottle 1 closed by the glass cover shown in Fig. 3,
- the object of my present invention is to provide means for closing bottles, jars, or
- FIG. 1 represents my improved apparatus as applied to a bottle from which the air is to be withdrawn by a suitable air-pump (not shownl and 'r-h? bottle closed while the vacuum preserved.
- A denotes a case or shell conveniently made from sheet metal and inclosing a chamber A. The case A is closed at its upper end A and open at its lower end A which is preferably adapted to rest upon the bottle B or other receptacle from which the air is .to be withdrawn.
- a flexible band C suitably attached to the shell A, in the presence instance by a w with the lower edge of the band exding at (3 below the end of the case or 1 A and adapted to lie against the surface .
- a clamping-ring D preferably consisting of an annular metal shell D, cresent-shaped in cross-section and having a yielding or rubber cushion D adapted to press against the band C and hold it in close contact with the surface of the bottle in order to form an airtight joint.
- a pipe E having a stop-cock E
- the mouth of the bottle B is provided with a ground surface F to receive aground surface G upon the under side of a cover G, preferably of glass, by which the mouth of the bottle is closed after the air has been exhausted.
- the shell A is provided with lugs H, to which blades H are pivoted, provided with shoulders 1, adapted to support the cover G and hold the same out of contact with the surfaceF of the bottle.
- Springs J are attached to the case or shell A and bear against pins J on the blades H" in order to hold the shoulders I in engagement with the cover G.
- the case or shellE is provided with a stufling-box K to receive a spindle L, carrying a disk M, with its edge bearing against the inclined edges N of the blades H, so that by pushing the spindle L downward the blades H are crowded outwardly, thereby releasing the cover from the shoulders I and allowing it to fall upon the surface F of the bottle in the position shown in Fig. 2.
- the cover G is provided with grooves O on its upper face, adapted to receive the prongs of a fork I, carried by the lower end of a spindle L, so that when the cover G has been placed'upon the surface F of the bottle a slight rotation of the spindle L by means of a handle Q will rotate the tion, as above described, the shell A may be removed from the bottle and the cover will be held firmly in position by the pressure of the atmosphere upon its upper surface S.
- I provide the bottle with spiral ribs T and apply a metal cap U, preferably formed of sheet metal and having spiral internal recesses V, by which the sheet-metal cap U may be screwed.
- the metal cap U is provided at the top with a central hole W, and the top of the cover G is provided with a concentric conical projection X, which extends from the opening W when the cap U is screwed in place.
- a rubber or yielding washer Y is preferably interposed between the cover G and the metal cap U to secure a yielding pressure of the cap upon the cover.
- the cover G is held from lateral movement by the projection of the cone X and yielding washer Y-through the openingW of the cap. In many cases it will be sufficient to simply release the cover G by turning the blades 11 apart without rotating the cover upon the mouth of the bottle, allowing the cover to fall by gravity upon the bottle,where it will be held in position by the pressure of the atmosphere as soon as air is admitted to the chamber A.
- My improved apparatus is designed to se-' hausting the air from the bottle, and to this end I provide means fol-supporting the cover for closing the bottle over the opening of the bottle, so that it may be released and allowed to fall by gravity into the proper position to close the bottle while the vacu um is still maintained; but I do not wish to confine myself to the use of the specific device shown, consisting of the spring-actuated blades H, as other means for supporting the cover may be employed without departing from the scope of my invention.
- I support the cover out of contact with the month of the bottle during the operation of pumping; but I can allow the cover to rest upon the mouth of the bottle and exhaust the air from the chamber A, as the pressure of the air in the bottle will lift the cover and escape; but I am'able to produce a more complete vacuum in the bottle by maintaining a communication between the chamber A and the bottle B during the pumping.
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vacuum Packaging (AREA)
Description
no. "120,567. PATENTED APR. 21, 1903.
. E. G. HOWE.
APPARATUS FOR CLOSING VESSELS IN VACUUM. APPLwA'rioN FILED say-1'. 10. 1900.
30 MODEL.
-UNITED STATES PATENT ,OFFICE.
ELBRIDGE G. I-IOW OF MTLLBURY, MASSACHUSETTS.
APPARATUS FOR CLOSING VESSELS IN VACUUM.
SPECIFICATION formingpart of Letters Patent NO. 725,967, dated. April 21, 1903-. Application filed September 10, 1900. Serial No- 29,482. (No model.)
To a whom it may concern.-
Be it known that I, ELBRIDGE G. HOWE, a citizen of the United States, residing at Millbury, in the county of Worcester and Commonwealth of Massachusetts, have-invented new and useful Improvements in an Apparatus for Closing Vessels in aVacuum, of which the following is a specification, accompanied by drawings forming a part of the same, in which---- Figure 1 represents a bottle with the apparatus embodying my invention applied thereto, said apparatus being shown in central vertical sectional view. Fig. 2 represents the upper portion of the apparatusin sectional view, with the mouth of the bottle closed. Fig. 3 is a top view of the glass cover by which the mouth of the bottle is closed. Fig. 4 represents the mouth vof the bottle 1 closed by the glass cover shown in Fig. 3,
with a screw-threaded metal cap applied thereto and having a yielding cushion between the metal cap and the glass cover, said cap and cushion being shown in sectional view.
Similar reference-letters refer to similar parts in the different views.
The object of my present invention is to provide means for closing bottles, jars, or
other vessels after the air has been exhausted therefrom in order to preserve the contents in a vacuum; and it consists in the construction and arrangement of parts, as hereinafter described,and set forth in the annexed claims.
Referring to the drawings,'Fig. 1 represents my improved apparatus as applied to a bottle from which the air is to be withdrawn by a suitable air-pump (not shownl and 'r-h? bottle closed while the vacuum preserved. A denotes a case or shell conveniently made from sheet metal and inclosing a chamber A. The case A is closed at its upper end A and open at its lower end A which is preferably adapted to rest upon the bottle B or other receptacle from which the air is .to be withdrawn. Attached to'the lower end'A of the shell A is a flexible band C, suitably attached to the shell A, in the presence instance by a w with the lower edge of the band exding at (3 below the end of the case or 1 A and adapted to lie against the surface .e bottle B, against which it is pressed by a clamping-ring D, preferably consisting of an annular metal shell D, cresent-shaped in cross-section and having a yielding or rubber cushion D adapted to press against the band C and hold it in close contact with the surface of the bottle in order to form an airtight joint. From the upper portion of the shell or case A a pipe E, having a stop-cock E,
leads to an air-pump (not'shown,) by which air is exhausted from the chamber A, and also from the bottle B. The mouth of the bottle B is provided with a ground surface F to receive aground surface G upon the under side of a cover G, preferably of glass, by which the mouth of the bottle is closed after the air has been exhausted. The shell A is provided with lugs H, to which blades H are pivoted, provided with shoulders 1, adapted to support the cover G and hold the same out of contact with the surfaceF of the bottle. Springs J are attached to the case or shell A and bear against pins J on the blades H" in order to hold the shoulders I in engagement with the cover G. The shell or case A, with the cover G supported upon the shoulders I, as represented in Fig. 1, is placed in position upon the bottle B, an air-tight joint is made between the band C and the surface of the bottle, and the air is exhausted through the pipe E by means of an air-pump from the chamber A and the bottle B. The case or shellE is provided with a stufling-box K to receive a spindle L, carrying a disk M, with its edge bearing against the inclined edges N of the blades H, so that by pushing the spindle L downward the blades H are crowded outwardly, thereby releasing the cover from the shoulders I and allowing it to fall upon the surface F of the bottle in the position shown in Fig. 2. The cover G is provided with grooves O on its upper face, adapted to receive the prongs of a fork I, carried by the lower end of a spindle L, so that when the cover G has been placed'upon the surface F of the bottle a slight rotation of the spindle L by means of a handle Q will rotate the tion, as above described, the shell A may be removed from the bottle and the cover will be held firmly in position by the pressure of the atmosphere upon its upper surface S. In order to prevent the displacement of the cover after the bottle has been closed, I provide the bottle with spiral ribs T and apply a metal cap U, preferably formed of sheet metal and having spiral internal recesses V, by which the sheet-metal cap U may be screwed. u' on the bottle and against the top of the cover G. The metal cap U is provided at the top with a central hole W, and the top of the cover G is provided with a concentric conical projection X, which extends from the opening W when the cap U is screwed in place. i A rubber or yielding washer Y is preferably interposed between the cover G and the metal cap U to secure a yielding pressure of the cap upon the cover.
When the metal cap U has been screwed in place, the cover G is held from lateral movement by the projection of the cone X and yielding washer Y-through the openingW of the cap. In many cases it will be sufficient to simply release the cover G by turning the blades 11 apart without rotating the cover upon the mouth of the bottle, allowing the cover to fall by gravity upon the bottle,where it will be held in position by the pressure of the atmosphere as soon as air is admitted to the chamber A.
My improved apparatus is designed to se-' hausting the air from the bottle, and to this end I provide means fol-supporting the cover for closing the bottle over the opening of the bottle, so that it may be released and allowed to fall by gravity into the proper position to close the bottle while the vacu um is still maintained; but I do not wish to confine myself to the use of the specific device shown, consisting of the spring-actuated blades H, as other means for supporting the cover may be employed without departing from the scope of my invention.
By the within-described apparatus I support the cover out of contact with the month of the bottle during the operation of pumping; but I can allow the cover to rest upon the mouth of the bottle and exhaust the air from the chamber A, as the pressure of the air in the bottle will lift the cover and escape; but I am'able to produce a more complete vacuum in the bottle by maintaining a communication between the chamber A and the bottle B during the pumping.
What I claim as my invention, and desire to secure by Letters Patent, is-
1. In an apparatus for closing vessels in a vacuum, the combination of a shell or case adapted to inclose the mo uth of the vessel and form an air-tight joint with the vessel, means for supporting a cover within said shell above its mouth and means for releasing said cover from its support, whereby the cover is allowed to fall by gravity and close the mouth of the vessel, substantially as described.
2. The combination of a shell or caseinclosing an air-tight chamber surrounding the mouth of the vessel, a cover for closing the month of the vessel, means for supporting said cover out of contact with the vessel and in position to fall by gravity and close the month of the vessel and means for withdrawin g the support from said cover, substantially as described.
3. The combination of a shell adapted to inclose the mouth of a vessel, a flexible band attached to and dependent from the lower end of said shell, means for crowding said flexible band against the side of the vessel to form an air-tight joint, means for supporting a cover within said shell and vertically above the mouth of the vessel and means for releasing said cover and allowing it to fall by gravity to close the mouth of the vessel, substantially as described.
4. The combination of a shell, means for forming an air-tight joint between said shell and a vessel inclosed therein, spring-actuated blades hinged in said shell and provided with shoulders adapted to support a cover, and means for separating said blades to release the cover, substantially as described.
Dated this 6th day of September, 1900.
ELBRID GE G. HOWE.
Witnesses:
Burns 15. FowLER, W. 0. PRICE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2948200A US725967A (en) | 1900-09-10 | 1900-09-10 | Apparatus for closing vessels in vacuum. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2948200A US725967A (en) | 1900-09-10 | 1900-09-10 | Apparatus for closing vessels in vacuum. |
Publications (1)
Publication Number | Publication Date |
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US725967A true US725967A (en) | 1903-04-21 |
Family
ID=2794477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US2948200A Expired - Lifetime US725967A (en) | 1900-09-10 | 1900-09-10 | Apparatus for closing vessels in vacuum. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2870027A (en) * | 1954-04-05 | 1959-01-20 | Stabil Internac S A | Process for stabilizing milk and similar products |
-
1900
- 1900-09-10 US US2948200A patent/US725967A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2870027A (en) * | 1954-04-05 | 1959-01-20 | Stabil Internac S A | Process for stabilizing milk and similar products |
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