US827668A - Sealing-closure for vessels. - Google Patents

Description

PATENTED JULY 31, 1906.

G. T. REED. SEALING CLOSURE FOR VESSELS. APPL OATION FILED NOV 13 1906 2. SHEETS-SHEET 1.

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SEALING CLOSURE FOR VBSSELS.

APPLIUATION FILED NOV. 13, 1905.

2 SHEETSSHBET 2.

. with a crown-groove.

UNITED sTATEs GEORGE THORN CONTINENTAL JAR '& BOTTLE 'STOPPER PATENT oEEroE.

REED, OF BALTIMORE, MARYLAND, ASSIGNOR TO COMPANY, OF BALTI- no. s27,ees.'

Specification of Letters Patent.

iratentea July 31, 1906.

Application filed November 13.1905. Serial 1t. 287,138.

To all whom it may concern:

Be it known that I, GEORGE THoRN REED,

a citizen of the United States, residing at Baltimore city, State of Maryland, have invented certain new and useful Improvements in Sealing-Closures for Vessels; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same. I

For sealing jars, bottles, and j elly-glasses I have ,produced a two-ply or double-walled closure-cap composed of two separate and distinct bodies or layers of different materials, one metal, as tin, and the other flexible and adhesive, as a fiber lining formed under pressure and united together at one and the same operation, whereby the fiber body or lining is reinforced and forms a cushion and adhesive lining to the metal body or cap, whereby it is adapted to be applied by hand to the mouth of a vessel held securely thereon as a closure and efiecting an air-ti ht seal with the advantage of being easily and qu ckly removed without impairing its efficiency as a seal, so that it maybe used until the vessel is emptied of its contents. The accompanying drawings illustrate my invention, and in connection therewith Iwill describe, and point out in the appended clalms, that which'is new in the closure-sealmg device. Referring to the drawings, Figure 1 shows in vertlcal section the neck of a jar with my two-ply metal and fiber cap-closure applied thereto. Fig. 2 shows my metal and fiber cap-closure in perspective. Fig. 3 shows the neck of a jar with my metal and fiber capclosure in elevation. Fig. 4 shows abottleneck sealed with my metal and fiber capclosure. Fig. 5 shows in section-and in half perspective my metal and fiber cap-closure. Flg. 6 shows in vertical section the dies for forming my metal and fiber cap-closure. Fig.

7 shows the blanks for the metal and for the fiber cap. Fig. 7 is an edge view of the fiber blank. Fig. 8 shows in section the fiber cap or lining reinforced by a separate cap of wire-cloth. Fig. 9 shows in vertical sectlon the neck of a jar with my two-ply metal and fiber cap-closure applied thereto ort, stiffness, and binding the dies for uniting the bodies under The fiber body or layer is preferably made of wood treated in pulp form to render it samtary and in sheet form with paraffin-wax, which is caused to penetrate the fiber, making it proof against moisture and acids, rendering it adhesive, and giving it compactness ofbody. The fiber thus prepared and with a corresponding sheet of metal the two are placed ermost and together upon a die the metal up ucing therepressed into cap or cup form, ro by a twoly cap-closure of metal 2 both of the same area and forming at the sameoperation a band or rim 3, with the fiber pressed upon and forming a lining covering the entire inner wall of the metal cap and causing the fiber lining byits adhesive function to stick to every part of the metal to unite the separate bodies and cause the fiber lining to act with a yielding cushioning efiect when it is placed on the vessel to be sealed. As the metal cap is to give firmness and a clasping function to and upon the fiber lining,

fiber 1 and ofthe band may be of any desired width to suit the vessel to be sealed, and while I prefer tin as a reinforcing and grasping closure for the fiber lining obviously any suitable material may be used that will give the desired sulpfunction to t e ber lining upon the vesselsuch, for instance, as wire-cloth-which in the action ofressure is embedded into the surface of the fi er, and thereby makes it a laminated cap of metal and fiber, and in either construction the metal provides a housing for the fiber. The fiber is produced in sheets in a semiplastic state and is cut in strips the width of the blank needed, which are then passed through a paraffin-machine (not shown) and both surfaces coated lightly with paraffinwax and in a pliable condition is with the metal blanked and ressed into form by dies in one operation. he cap thus produced is treated on its inner or fiber side with one or more coats of pure paraffin-wax 19, as in Figs. 5, 8, it gives the best results in causing the cap to adhere to the walls of the vessel to seal it and because the adhesive function is necsesary to and 9, as this is preferred because heretightly to the surface on which it is forced, may be used. The action of the dies in bending that portion of the metal and fiber blanks to form the band over the edge of the" die will cause a fullness which turns into crimps or indentations 4, the de th of which will depend in a measure on the egree of pressure in forming the band,it being under-' stood that the fullness which causes the crimps results from the bending together the circumferential ortions of the blanks which form the ban for Without the fiber layer the band would be formed without the crimps, Another important matter is the fiber blank is ofgreater thickness than the metal blank, and the crimps or corrugations are only pressed into the surface of the fiber, thereby causing the interlocking of the metal band with the fiber band, so that they cannot be rugations also provide an indente 'thedie against which the bandis pressed and formed at the same time the tucks are pressed upon and into the'comparatively'soft bed of fiber. The band being struck up of twodifferent and separate layers, the one metallic and the other fibrous, when released from 'pressu're by theformin -dies the fiber or linmg will expand-inward y slightly, and there by cause it to have a yielding or cushioning function and an impinging sealing action when applied on the surface, while the crimps in the outer surface of the band will o en a little and allow it to expand out-war ly in pressing it hard and tight in its closing function. In this function the metal band acts as a barrier to prevent the fiber lining from expanding outward, and this, in connection With the adhesive functionof the lining,

serves to make the closure a com ound seal that is, hoth air-tight and a hesiveand having an adjuvant clasping function is securely held as a closure against the pressure of the gases or contents. In applying the cap to the mouth of the vessel it is pressed until the crown is firmly seated upon the edge of the mouth, with a cushioned air-tight joint extending from theedge of the vessel to the'edge-o'f the band, with the effect of the latter to compress the waxed fiber upon the walls of the vessel.

While I prefer to form the 'cap with a plain topv surface which rests upon the edge of the vessel, with the fiber lining "forming a seal upon the edge and to theedge of the band, as in Fig. 1-, the cap-top may be formed with an arched groove 5 around its edge risin above the top and terminating in the band, orming thereby a double-sealing fiber wall 6 and 7 on the inner and on outer walls of the mouth of the vessel, forming a grasping adhesive wall on the outer and'on the inner walls of the vessel.

I have shown-dies ada ted for the production of the above-descri ed two-ply or .double walled cap-closure only as one form consistin of a top die 8 and a bottom die 9 and in which I have illustrated the two-ply blank having been cut from a two- 1y sheet 10 and the band of the cap partia ly formed over the solid bed 11 of the bottom die over the sharp angle 12, of which that part of the blanks which are to form the band receives the action of the upper die. In this action the blanks to form the ca are first cut together from the sheet by the s'hearingof the sharp angle edge 13 of the upper-die and the sharp angle edge 14 of the lower die, the circu'lar forming part of the upper'die pressing the band-forming part 15 down into the annular space '16 of the lower die against its smooth vertical wall 17, the bending 'of the blank-over the sharp angle of this wall being veffected by the rounded edge 18 of the inner circular edge of the top die to prevent the shearing of the blank at the annular angle edge 12 of the bed-die. As the annulariforming part of the u per 'die descends into the annular space oft e lower die the handicrrning art is forced down, and the fullness whic this bending produces in the metal is pressed into crim s, as stated, which enter the surface of the her, while itsiinner wall 19 is left smooth as the sealing-wall 0f the cap. For this purpose the upper die is caused to form the band against the vertical wall of the bed-die; but it will be understood that in this operation the crimps or indentations are only formed in the metal and pressed into the fiber and that the-double coating of the parafiin is only on the inner wall of the band and applied after the ca has been formed; but it is the coating of tlie fiber under pressure that renders it impervious to-airormoisture and prevents the contamination of the contents.

I claim 1. A closure for vessels consisting of-a :metallic cap havin a depending *band and 1a fibrous adhesiveinin and adapted to form grasping adhesive wal s on the outer and on the inner walls of the vessel and efiect thereby a continuous inner and outer adhesive fiber seal.

2. A'closure for vessels consisting-ofa twoply or double-walled metal binding-cap, and v a fibrous lining coated on both its sides with an adhesive substance, both formed into, a closure-cap including a metal band anda lining therefor. the inner sealing surface of which is supplemented with a second adhesive sealing-coating.

3. .The process herein described of forming a twoply closure for vessels consisting in forming a air of blanks of the same size one ofmetal t e other of fiber, coating the fiber blank on both sides with an adhesive sub stance, placing both blanks together the metal upon the fiber, forming both under ressure into a closure-cap and supplement- 1n the fiber on its inner wall with a second ad esive coating.

4. The process herein described of forming a two-ply sealing-cap for Vessels which consists in placing together a pair of blanks of the same size one of metal, the other of wood fiber the metal upon the fiber, coating the 15 fiber blank on both sides before being so placed with an adhesivesubstance, and form ing both under pressure into a closure-ca to unite them and form an inner sealing-wall.

In testimony whereof I have signed my 20 name to this specification in the presence of two subscribing witnesses.

GEORGE THORN REED.

Witnesses:

AMBROSE W. ZIMMER, EDWARD H. CURLANbER.

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