US496175A - Gustavus a - Google Patents

Gustavus a Download PDF

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US496175A
US496175A US496175DA US496175A US 496175 A US496175 A US 496175A US 496175D A US496175D A US 496175DA US 496175 A US496175 A US 496175A
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strip
key
incision
metal
opening
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D17/00Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D17/00Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/404Details of the lines of weakness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D17/00Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/42Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions with cutting, punching, or cutter accommodating means
    • B65D17/46Wires, strings or the like, e.g. rip cords
    • B65D17/462Tearing-strips or -wires
    • B65D17/464Tearing-strips or -wires with tongues or tags for engagement by slotted keys

Description

(No Model.)
G. A. WAEBBR. GONSTRUGTING AND OPENING HBRMETIOALLY SEALING SHEET METAL VESSELS No. 496,175. Patented Apr. 25, 1893. 4
n: uonms mars 50.. Pnm'oumm. WASNINGYON. n. c:
UNITED STATES PATENT OFFICE.
GUSTAVUS A. VVAEBER, OF NEW YORK, N. Y. I
CONSTRUCTING AND OPENING HERMET ICALLY SEALING SHEET-METAL VESSELS.
SPECIFICATION forming part Of Letters Patent No. 496,175, dated. April 25, 1893.
Application filed April 9, 1892. Serial No. 428,478. (No model.)
To all whom itmay concern.-
Be'it known that I, GUSTAVUS A. WAEBER, a citizen of the United States, residing in the city of New York, in the county and State of New York, have invented an Improvement in Modes of Constructing and Opening Hermetically Sealing Sheet-Metal Vessels; and I hereby declare that the following is a full, clear, and exact description thereof, reference being had to the drawings which accompany and form a part of this specification.
This invention consists of a new and simple method of forming the strip-section of that class of sheet metal vessels which are opened by tearing out a narrow band or zone of their material, and in so combining with such strip-section the key or other device which is used to effect the tearing operation that the tongue which has heretofore been in all cases absolutely necessary in receptacles of this class may be entirely dispensed with, thus doing away with a very large part of the cost of manufacturing such vessels, while at the same time the opening can be performed in an easy and effectual manner.
To enable others to put my invention into use I will proceed to describe it in detail.
In the drawings, Figure 1 is an elevation in perspective of a sheet metal can containing my improvement; and 2 is a detail view showing one head of the can and representing the strip-section and key on a somewhat enlarged scale.
The improvement is here shown and described as applied to the head or cover of the can, and in practice this will usually be found most convenient. But it may also be placed upon the wall of the body, if desired, and in that position will be found to operate satisfactorily.
A, Fig. l, is the body of a cylindrical can made of sheet tin in the ordinary manner.
B,B, are the covers or heads, and these may either be secured in place by being caused to encircle the periphery of the can body, as represented in the drawings,or they may be soldered inside of the ends of such body, in the manner in which sardine boxes and many other metallic vessels are frequently constructed, or they may be fastened in any other desired manner.
6 b is the strip-section, and as here shown I have preferred to form it as represented in the drawings by a double bead and double incision in accordance with the Letters Patent No. 401,913, granted to me April 23, 1889, or bya single head having an incision partly through the metal in, upon, or close to such bead, in accordance with my application for Letters Patent forimprovement in sheet metal cans filed March 19, 1891. It is not essential, however that these particular systems should be employed, as any other suitable method may be adopted, if desired. But by my improvement, whatever mode of making the strip-section is selected, I am enabled to do away entirely with every form of tongue, whether such tongue be made by prolonging the strip-section beyond the line of the vertical joint of the can-body walls or by soldering a supplemental piece to the section, or in any other manner. I provide a new method of operation, and as a substitute for using a tongue and key together, as has been customary, I rivet or by any suitable means firmly secure the inner end of a key, It, to the strip section b b at any desired point in the length of the latter. The key may be constructed as shown in the drawings, or it may be made in any other appropriate manner, but the end of its shank which is fastened to the strip-section must of course be adapted to enable a firm attachment to be made to the section, and I prefer that this attachment shall be of such a nature as to admit of the key being turned so as to lie entirely or partially over the top of the can when the latter is unopened, and of being turned outward, as represented by the dotted lines in Fig. 2, so as to afford a firm hold or grip of it when it is desired to open the can. This, however, is not essential, but will always be found most convenient.
In order to enable the key to start the operation of tearing out the strip-section,'I generally prefer to employ a transverse incision made partly through the metal adjacent to the point at which the key is attached to the section. This incision is shown at c in the figures. I prefer that its form should be the arc of a circle extending across the section, as shown, as I have found that when so made it best facilitates the starting of the tearing,
partly through the sheet material.
but any other suitable form may be given to it. The can being thus constructed, in order to open it nothing more is necessary than to turn the key 7:. horizontally on its rivet 'n and outwardly in the direction of the dotted lines in Fig. 2 until its handle or outer end projects sufiiciently over the edge of the can-head to afiord a firm grip by the hand or other instrument used for the opening. The key is then twisted on its own axis in the usual manner, and as soon as this is done the strip-section will break transversely at the incision 0, thus starting the tearing, and the residue of the section is then stripped out in the ordinary way.
It is not essential that the transverse incision a should be used in all cases. In its place, a sulficiently sharp bead may be provided extending across the strip-section in the same manner as the incision. Or, the metal of the strip-section around or near to the point where the key is secured to it may be weakened or made brittle in any suitable way so that it can be readily torn through by the initial action of the key. It is also not times easier to make the incision extend en tirely through the metal, even in vessels which are intended to be air-tight, for the reason that the cutters do not then require so nice an adjustment as whenthey are to out only But it is to be understood that if this course be adopted, the cut-through incision must afterward be touched lightly with solder on one or other of the sides of the strip-section so as to close it and prevent the entrance of air on that side. It is also proper to state that when the con tents of the vessel require to be preserved from the entrance of air, it will generally be found best to solder lightly around the point of attachment of the key 70 to the strip-section. This need not interfere with the turning of the key, especially if the latter is secured by a rivet as shown in the drawings, be-
cause although the solder may prevent the rivet itself from rotating with the key, the latter will readily turn on the rivet, as already above described. 4
In the manufacture of sheet metal cans, the use of tongues which are cut out of the canblanks very largely increases the cost of production, because the material which is cut away to form the tongues is of no value and must be thrown aside as waste. And although it has been proposed to cut the tongues from waste pieces and then solder them to one end of the strip-section, this method has not been found satisfactory in practice. But my present invention by enabling the tongues to be dispensed with, does away with the additional cost of the first mode of manufacture referred to, and at the same time obviates the disadvantages of making tongues of separate pieces. Moreover, my method as here described is applicable to the tops of glass jars for containing milk, canned fruit and other articles, and also to many other purposes which ordinary systems of strip-opening could not be desir;
ably employed.
Having thus made known my improvements, what I claim, and desire to secure by Letters Patent, is-
1. A sheet metal or other vessel provided with a strip-section which at any desired point is weakened more or less transversely of its length, in combination with a suitable opening instrument firmly secured to it close to its weakened point, whereby the strip-section can readily be torn out and the employment of a tongue can be dispensed with, substantially as set forth.
2. In a sheet metal or other vessel, a strip section formed of a narrow band of the material located between two parallel beads or between one bead and the edge of one end or head of the vessel and having a longitudinal incision partly through the metal in, upon, or close to such beads or bead, in combination with a suitable opening instrument firmly secured to the strip-section adjacent to a suitable weakened portion of the latter, substantially as and for the purposes described.
GUSTAVUS A. WAEBER.
Witnesses:
J. BAIER, F. J. BIGLEY.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025994A (en) * 1959-11-20 1962-03-20 Key Accounts Inc Can opener key
US4819826A (en) * 1986-10-20 1989-04-11 Envases Carnaud, S.A. Tool for opening a can with a top which is easy to open
WO2012150301A1 (en) * 2011-05-04 2012-11-08 C2C Beteiligungs-Gmbh Lid arrangement for a container, and container provided therewith
CN105083696A (en) * 2015-09-08 2015-11-25 湖州织里华宁园艺工程有限公司 Easy-to-open paint barrel for home decoration and using method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025994A (en) * 1959-11-20 1962-03-20 Key Accounts Inc Can opener key
US4819826A (en) * 1986-10-20 1989-04-11 Envases Carnaud, S.A. Tool for opening a can with a top which is easy to open
WO2012150301A1 (en) * 2011-05-04 2012-11-08 C2C Beteiligungs-Gmbh Lid arrangement for a container, and container provided therewith
CN105083696A (en) * 2015-09-08 2015-11-25 湖州织里华宁园艺工程有限公司 Easy-to-open paint barrel for home decoration and using method

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