US2016307A - Closure for bottles, jars, and the like - Google Patents

Description

CLOSURE FOR'BOTTLES, JARS ND" THE LIKE Filed June 22, 193s [fe/Wg Wiedner* 'Patented Ochs, 1935 n r 2,l)l6,307

7' UNITED" STATES f PATENT OFFICE Henry Wiesner, Wheeling, W. va., assigner to Hazel-Atlas Glass Company, Wheeling, W. Va., a corporation of` West Virginia Application June ze, 1933, serial No, 617,118

4 claims. (o1..`z151?`) The `invention relates to metal closures for taken in connection with the accompanying drawbottles, jars and the like, and particularly to that ing; in which, type of closure in which there is an inner threaded Figure 1 is a perspective View Of the Completed 4shell and a smooth outer shell. The general cap or closure.

5 type of closure is shown in the vpatent to Bernardin Figure 2 is a vertical sectional View of the blank 5 No. 653,610, July 10, 1900. i for the outer shell.

One of the objects of the invention is to im-v Figure 3 is a Vertical sectional view of the prove the appearance oi' the double shell type of inner shell arranged in the outer shell; and cap. The common practice has been to secure Figure 4 is a vertical sectional view of the comthe two shells together by bending the bottom of pleted Closure. 10 the skirt of the outer shell inwardly about a por- Referring ilo the drawing` in more detail, nu tion of the bead on the inner shell. In such conmerel indicates iliev blank for the outer shell. structions the skirt has a tendency to wrinkle as having a top 2 and a depending skirt 3- Numeral it is turned about; the bead, thereby detractmg 4 refers to a conventional screw cap provided with l5 from the appearance of the cap. And further, ln tno usual inroads 5 and having an out-curled l5` such constructions, the raw edge of the skirt rebead 6 of; itsloWer edge This Conventional screw mains exposed in its position on the bead, which -oaD is shown, in Figure 3, assembled With the is undesirable for practical reasons as well as deblank and it Will be noted that the skirt of trading from the appearance of the cap, In the blank depends below the inner shell, as in- `Z0 accordance with the present invention, the lower dioeted by numeral l, distance sufficient t0 per- 20 I portion of the outer skirt is not turned about the mit the formation of an in-Cln'led bead bead but is inwardly curled upon itself, so that The oonVentlonalsoTeW oop having been assemthe bottom' of the completed cap presents a `perblod in the blank of the outer Shell. the formoi'ectly smooth curved surface without any Wrinkles non of the closure ls Completed by applying s' die 26 and-without any exposed raw edge to the lower edge ofthe blank. 'I'he die will cause 25 Another object of the invention is' to provide a ,the lower Portion of the skirt to oull inwardly closure of this type in which there is no possi- `upon itself to form a bead 1, and by reference bility of the inturned portion of the skirt interto Figure 4 lf2 Will be noted that the out-curled feng the proper functioning of the threads bead s 0f the Inner $11.811 and the lll-curled bead 1 80 on the inner shell. In the constructions in which of the outer shell are 1n Contact l 80 the skirt is turned inwardly about the bead on the In the formation of the bead l lt ,ls jammed inner shell, the inturned portions may interfere tlghtl-Y against the bead s and the resiliency of if it is turned too far about the bead. To avoid tno two beads provides anun and permanent grip' such interference, where the skirt is turned about Pme action between the two shells which Drethe major portion of the bead, it is necessary to vents relatlve movement between these Portsform extra deep threads or nare the bottom por- In addition to firmly. uniting the WO shells, tion of the inner shell which carries the bead.` In the Closure of the Present nl/'sniion possesses nuaccordance with the present invention that is un' morons advantages over the double shell Closures necessary, for the in-curled bead on the outer now ln Common use. The inner shell may be on the inner shell, andv hence there is no possibility deep threads or Without an unusual nare et the gg iihtlcerfrence wirtlh the proper `functioning of gsgglr'y lalnr eolfsrulsl ign e ea s. In ot er words, the 'nner sh l m be an ordinary standard screw cn el ay pleted by the mere formation of an in-curled bead A ful-,ther object of the invention is to on the outer shell, so that the manufacture of the 45 strengthen closures of this type, by providing two rllfgfvhe lgegggggg iosfvv 53315112231 gg beads.

Still another object of the invention is to prollrrftslgrgglczl 65111113.25; ehlst; Vlde a' Secure and permanent faslfemlng between wrinkles or-uneven portions which sometimes ap- 50 the inner and outer Shells by gnppmg the two pear in the ordinary double shell closures. No shells by means of the two reslhent beads' raw edges are exposed to view; such raw edges be- Varlousother objects and advantages 0f the 1ning undesirable for practical reasons -as well as vention will be apparent to those skilled in the detracting from the appearance of the cap. 'I'he ori, from l011e following detailed description When closure of the present invention is also of much 55 40 Shen is in alignment with the out-curled bead on Ordinary standard screw cup Without unusually 40 greater strength than the ordinary double shell closures, by reason oi the two beads.

Having fully described the invention, what I claim is:

l. A closure including an inner shell and an outer shell, each having a top and a depending skirt, the skirt oi the inner shell having threads and an out-curled bead at its lower edge, the skirt of the outer shell being smooth throughout and having a complete in-curled bead on its lower edge, the bead on the outer shell being arranged below the bead on the inner shell and the two opposed convex surfaces oi the two beads being in resilient abutting relation.

2. A closure including an inner shell having threads and a bead substantially circular in crosssection, and an outer shell smooth throughout and having a bead substantially circular in cross-section, the second-mentioned bead being below the mst-mentioned bead, the two beads being in substantially vertical alignment and the opposed convex surfaces oi the two beads being in resilient abutting relation.

3. A closure including an out-curled conventional screw cap with a bead at its lower edge,

a shell having a skirt arranged over the screw l* cap, said skirt being curled inwardly upon itself to form a complete bead below the nntmentioned bead, the oppositely curved surfaces o! the two beads being in resilient engagement.

4. A closure including an inner shell having s lo vskirt and an outer shell havin a skirt, threads

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