US826244A - Cap for receptacles. - Google Patents

Description

PATENTBD JULY 1'7, 1906.

R. A HALL. GAP FOR REGEPTAGLES APPLICATION FILED OOT.28, 1904.

L H z I ITED STATES PATENT OFFICE.

ROBERT A. HALL, OF NEW YORK, N. Y., ASSIGNOR TO STANDARD STOPPER COMPANY, OF-NEW YORK, N. Y., A CORPORATION F NEW JERSEY.

CAP FOR REcEPTAotEs.

ratenzedcury 17,1906; 7

Application filed October 28, 1904. Serial No. 230,320.

To all whom/it may concern.-

Be it known that 1, ROBERT A. HALL, a

' citizen of the United States, residing at New York, county of New York, and State of New York, have invented certain new and useful Improvements in Caps for Receptacles, fully in which a cap having a errcumferentiallycontinuous flange is attached to a receptacle by bending the flan e or-a certain portion thereof beneath a 100 rig-shoulder on the receptacle.

lt 1s old in the art of capping receptacles to close a receptacle-by em loying a cap having a continuous flange an bendlng the flange into locking contact with. the under side of a ,shoulder on the receptacle, the bending operation being effected either by a spinning or by a pinchmg or compressing tool. In these constructions the shoulder of the receptacleat or about the line of the greatest diameter of the locking-shoulder serves as a fulcrum across which the flange is bent. Such bending, even Where it is progressive bendingof the character known as spinning, sub ects the rece tacle to more or less strain, so that there is iability of brcakage,-especially if the caps be made of comparatively heavy metal. Furthermore, where the metal of the continuous flange bends across some part of the locking-shoulder as a fulcrum it is very difficultto give the metal a permanent set of such a character as to cause the bent portion to lie snugly against the under side of the locking-shoulder and at the same time produce such ajoint between the cap and the receptacle as will enable the cap to be readily removed when desired. If, for instance,'the

I metal be lightl bent or spun across the reatest circum 'erence of the locking-shouler and against the under side thereof, the metal after the pressure of the spinning or bending tool is removed springsaway from the shoulder of the receptacle. While the amount of this spring is very small, it is still 'suflicient to prevent in many cases the formation of a reliable seal, especiallywherethe contents of the receptacle is a liquid under pressure.

Caps have been made the continuous flanges of which have special features of construction-as, for instance, corrugations-the function of which was to make the flange readily contraotible and to render unnecessary in the formation of the seal to bring the flange in close contact with the locking-f shoulder on the receptacle at all points, it being suflicient to form a seal with this class of caps if the shoulder of the receptacle is embedded in the crests of the corrugations. The corrugations whieh have been practically employeihowever, stiffen the flange of the capvertically and make it necessary to employ very heavy pressure in sealing rece ta: cles, which where the receptacles are of g ass is liable to produce considerable breakage. Furthermorathese caps require s ecial tools in their construction, and consi erable ex- 1pense is involved in their manufacture. It

as also been proposed to provide a cap having a continuous flange with a circumferential bead the urpose of which was to sustain the impact 0 the applying-tool and reduce the liability of bre-a rage. This form of cap is open to the objection that the bending of the flange into locking position must take lace substantially across the line of greatest diameter of the locking-shoulder. The flange of the cap, however, is so stiffened by the bead formed therein that great pressure is necessary in order to lock the cap in position, and difliculty is experienced in applying this form of cap so as to make a hermetic seal. This form of cap has not, therefore, gone into practical use.

It is one of the objects of this invention to produce a capped receptacle the cap element of which shall consist of a cap having a continuous flange, the cap being a plied to a receptacle having a locklng-shoul er in suchsheli be simple in eomnmetien, z ef being else Ay mud:

l a l insftermeted. out.

Rei, ring to the Mme trees, ure 1 s r v.- seemone eievemen 0 2}: 2 ms a131,!!-

estien to the z'ecepbede, and igs. 1'1} strsbe seeiien e1 elevation esp ed .c'eeeptee-lest embeds u nve ion.

We be used in. es s y be eol'st'rig umte the esp m 1 rem. form 0"; e

shown av eork disk 4 is shown i1; posit-i031 m' the interior of the ca e.

The cap on: be new m em'meeialo W111i. reeep tee Whieh may lye n'lezie of any a Int-able vided. with a loeking-sheulder. in the par-'- tieulm'.eonst-rueiziori sei'eet-ed to iHusm'e't-e the invention a bottle-top is show, 1 11oz being'n'la'rked' 5 and the loekiuyshmilder bl ere 011.6. In emflying the nae-p E0 reeeptecie lower edge of the flange is bent sud, cap being ef this time held upon by any suitable means. The jflW' Leg 0!? the esp-Henge 71.1 "e mi ed by s plying pressure by means 01" e sl. ble toel t0 the edge of the flange. While tool may be emphlyed for uh grooved Wheel m'eduees eetis 51C iery 1'1 However the p: sure is produce 1 o, of such a ehmeeter as to cause th tum ll'lv'zfil'tl and t zravel tower the ,h. out 01 so that when the head 01* e I in'g 181635 '2 y be tanned me flange and the bent J end hes out 0.

f n 2e sho'eider er she ree Heme mg or the cap sting ihe inner Sidfi of the eeT-b 1:

rt 3 :3 5m. 3) Hnet is, the side Wis-o.

i he 'ueeeint gnu-t 2--to beer eg wider slde of the belong-shoulder v pl ymg the cap the bendmg epezem j sac-p ed. seen or preeueehy es: soon simuldel' of the .botfle, so that only a, mom 'etively smel portion of 37m inner side of Iee'stpmt againstthe bettleshe'ifider, t Being the eoinstmeuien illustrated in bew ingfnsy be eontimied uni-ii the giv '1 a. reverse bend, as illus- Mae seal produced by ea'rry, ferwerd illus trated in Fig. suefi found to the most effeetes the esjaryi'eg forward of the bending more .m-ylieb! eompenseies for irregularities in. the height the 1echug-shoulders, which 1 uimities particularly common is": Te-

formee of glass or vitreous meteion fer ordinary pu'rpeses can be mad-3 v": light meteriel and can be Veryeeeewmieany produced, it being" only necessary te ens eirmJer disks from. sheets of material and subject themio e the ing operation in a die of very simple form. Furthermore, eom- 'pmetively small even of metal is requie l '30:: making the eeps, so that a eempemtwely large number of them een be obtained Tom e giver quantity of material. The fare he? Ire cheap to manufacture. Inesmueh, 'urthermere, very little strain is set up on he reee ueeie in the the iefniiiby of breeicage reduced so min mu 1; end the eppiying meehenism insy be ewzeeeinglysimple in its character and rapid in operation.

What e121. med is-- v if The combination with e reeepteeishem s, leek? z sizo alder located. exgtel'iorly with e moum thereof, of a, eep hevie 1,211?! of ifis Henge eireumferelf' eontineeus sent inward, the inner surface of said bent part being in loeking eonxvii-h {be shoulder and the bend in fihe age Whii'ih joins the bent and un beni pests the exme'me edge of the belt strikes,

'Wle esp employed in carrying out she in v set of e pphing e'eep,-

lying 012%, of eefl'beeib with the'shoulder subr I in position 1s eieieeiw Ill with res eat to the mouth thereof, of a cap In testimony whereof I have hereunto set having t e lower part of its flange circinnfermy hand in the presence of two subscribing o entially continuous and bent inward and upwitnesses. 1 ward, the inner surface of said bent art being-in locking contact with the sho der and l ROBERT the bend in the flange which joins the bent Witnesses: and unbent parts lying out of ,contact with i J. A. GRAVES,-

the shoulder, substantially as described. W. H. KENNEDY. 7

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