US903865A - Composition cork. - Google Patents

Description

J. A. JONES. COMPOSITION 003K.

APPLICATION FILED JUNE 12, 1907.

903,865. Patnted Nov. 17, 1908..

JOHN K. JONES, OF NEW YORK, N. Y.

COMPOSITION conx.

Specification of Letters Patent.

Patented Ndv. 17, 1908.

Application filed. June 12, 1907. Bartel No. 378,599.

To all whom it may concern: I Be it known that I, JOHN A. JONES, a citi- 1 zen of the United States, and a resident of New York, in the county of New York and State of New York, have invented a certain new and useful Composition Cork ofwhich the following is a specification. 1

This invention relates to compositioncork.

The main object of the invention is to provide a composltion cork which can be used for all purposes for which corks, whatever the form thereof, made from cork wood, may be employed.

A particular object ofthe invention is to provlde a com osition cork capable of such use which wi l withstand a considerable amount of heat and pressure, as for example the heat of pasteurization employed in pasteurizing beer and similar liquids, and the pressures usually found in bottles containing carbonated beverages.

Theprocess of producing composition cork of this character comprises essentially the mixing of suitably granulated cork with a binder such as a solution ofpure rubber, and afterward compressing the granulated cork and heating it to a suflicient temperature While in the compressed condition to retain it substantially in the form to which it was cork, which has been mixed w1th a suitable binder, into rods of composition cork. Fig. 2 is a sectional side elevation illustrating means for compressin such a cork rod ina tube. Fig. 3.is a simi ar View of a tube with a cork rod held therein under compression.

4 and 5 are details illustrating in end Fi s. and side elevation respectively a finished cork rod, and means for cutting the same up into cork disks.

In carrying my invention into effect I may form the com osition cork into solid pieces of any desired shape and size by utilizing a suitable mold in which to form the same.

a In order, however, to form cork rods, and

corkdisks from such rods, I prefer to-make use "of a cylinder or tube of considerable strength, which may be filled with ,granulated cork which has been mixed with a binder and into which \the granulated material may be forced into a compact mass.

Usually this cork will be filled into such a tube or cylinder, which is here indicated by 2, by tamping it in with a plunger such as 3, the granulated cork being preferably 'led 'to the receiving end of the tube 2 by means of a hopper or funnel, such as 4:, the outlet from ,which is substantially of the sarfie diameter as the receiving end of the cylinder 2 and registers therewith. By means of the plunger 3 the granulated cork in the hopper or funnel 4 1s forced into the cylinder 2 and tamped down by repeated blows until the 7 cylinder is filled with cork in a state of considerable compression. I

'As soon as the cylinder has been filled with approximately all the granulated cork that can be forced into it by this mode of fillin and compressing the granulated mat'eria additional pressure may be brought tobear by means of a pair of plungers, such as 5 and 6, fittingthe opposite ends of thecylinder 2. These two plungers may be operated by power in any suitable manner, as,

by the reciprocating compressors 7 and '8 which force in the plungers 5 and 6 to the positions shown in Fig. 3, in which they may 1' be held by pins, such as 9 and 10, passing through'suitable openings, such as 11 and 12,

in the tubeBand through corresponding openings in the plungers 5- and 6. These plun ers 5 and 6 thus constitute plugs for c osing the ends of the cylinders 2 after the cork has been fully compressed therein.

It will be noticed that the cork in the cylin- (ler in Fig. 1 is compressed to approxi, mately one-third its original length by the plungers or plugs 5 and 6, although the com pression may be carried to any desired point within limits. The material which is placedin the hopper 4 and compressed into the cylinder 2 is chiefly granulated cork. The cork should be granulated to. such .an extent that the inajorportion thereof will go through a.

screen of about three-sixteenths inch mesh, but the finer particles of cork and the cork".-

dust may all be left in the mass and utilized. After granulation there is added to the cork a' binder which is preferably a solution of' pure rubber containing, or to which has -beenadded a'vulcanizing medium. In this solution sulfur, and gasolene or any other suitbe made.

able volatile solvent of rubber may be employed. The proportions which the different ingredients may be mixed'will .vary according to the character of the article to For cork rods such asare shown in the drawings two ounces of anulated eork by weight and approximate y one and one-half-Duncesbyf measure ofrubber solution may be combined and thoroughly mixed so that every particle of the cork is covered with a thin film of vulcanizable binder. In the solution so combined with the cork I obtain good results by combining a pro sti-, -mately one ounce ofrubber by weig t with a pint of gasolene, benzin or naphtha or other rubber solvent by measure,.th1s solution containing a suflicient quantity of sulfur to assure vulcanization in*the granulatedmass after it is properly heated.

v In preparing the inaterialsfor heating,

. the cork and the rubber solution are first volatile substances at this st various operations and devices. Afte thoroughly-mixed-so that every particle of cork is covered with a thin film of the vulcanizable liquid. The volatile portionsof the solution are driven 01f in ny suitable way, "either by permitting the material to stand and the volatile substances to escape, or bysubjecting the material to a tem' erature of about 70 F. to volatilize the so vent quickly. It is not essential to drive ofl the e of the process, though it is advisable to 0 so.

- The granulated cork, after thoroughly mixing it with the solution just described, is then packed into cylinders, such as 2, or any other form of mold, as in the manner before described, that is, by tampi or otherwise fillin the granulated mhteria into tubes or cylin ers, as shown and described in con nection. with Fig. 1. "This tampin produces a substantially even and uni ormj rod throughout the length thereof, and this univ formity of compression is assured by subsequently forcing in the plun ers or In 5 and 6 from both ends of th tube, the drk rod being compressed to substantially the same extent throughout its length by these r com ression the molded composition cork is sub ected to the action of heat for the urpose of effecting vulcanization of the re atively compressed material.

small quantity of rubber contained in-the desired temperature is maintained for from twenty to thirty-five 'minut%. The heat is ordinarily a plied directly to the metallic hire the mass of compressed ma-' stantially homogeneous body of consisting of .manently united with all the The temperature em-. ployed may be that of soft vulcanization and .may vary from 125 to 350 F. -Usually the and the disk being stantiall no holes in them. The cork rods'so fo l-med may be cut up into pleces of'any desired lengths, this being dependent u on the use to which such cut pieces are to e put. Figs: 4 and 5 I have illustrated at 13 and 14 a cutter and its shaft for severing the cork rod into sections. Iiere thiscork rod, which is designated by 15, is cut into short lengths to form cork disks, such as 16, each of these disks being only one-eighth inch or less in thickness, firm 'and close-grained,

"with no holes of any kind inthem and having the p. rticles of cork so intimately united that they will withstand 'all temperatures employed in pasteurizing beer, etc., and all pressures to which bott es containing car'- bonated liquids are subjected.

An important advantage resulting from the use of corks or cork disks made in the manner herein described is that they have great elasticity in the direction of the line of'compression, that is tosay, in the direction of the thickness of the cork disks, and this. is a very important factor in sealin disks to be used in beer bottles and for ana ogous purposes.

What I- 'claim is: v 1. Composition cork, constituting a subso id cork anules of pure cork covered with thin coat ngs of-a binderfwhich unites nules and is insoluble by', and suball theafir stanti yneutral in the presence of, water,

beer, and similar beverages both at normal and at high temperaturesand pressures.

- 2. Composition -cork, constituting a sub-v stantially homogeneous body of solid cork consisting of granules of with thin coatings of ru ure cork covered r which is pe ranules by soft vulcanization and is insolu le by, and substantially neutral in the presence of, water, beer and similar: beverages both at normal and at .hi'ghtemperatures and pres- 3. solid homogeneous elastic composition cork disk,'consisting* of granules of cork covered with thin coatin is permanently united with all the granules by soft vulcanization and is insolubleby, and substantiall neutral the presence of, water, beer an similar beverages both at normaland 'at'higli temperatures and pres sures.

4. A solid homo neous elastic composition cork disk,'cons1sting of granules of cork covered with thin coatings of rubber which 7 is per nently united with allthe granules of rubber which by so vulcanization while the cork and the rubber are in a compressed state, said rubber beer an similar beverages ,both. at normal and at high temperatures and pressures.

insoluble by, and subneutral -1n the presence of, water,

-Ci r recti0n in Letters Patent' No. 903,865.

stantially homogeneous body of solid cork having its air cells" substantially unclogged and of substantially the same resiliency as natural cork wood and consisting of granules of pure cork covered with 'thin coatings of a binder which unites all the granules but does not impregnate them and which is insoluble by, and substantially neutral in the presence of, water, beer and similar beverages both atnormal and at high temperatures and pressures.

6. Composition cork embodying a substantially homogeneous body of solid cork inca able of shrinkage under-any ordinary con itions of atmosphere or use as a sealing medium and consisting of ranules of pure cork covered with thin coatings of a binder which unites all the granules and is insoluble by water, beer and similar beverages both at normal and at high temperatures and pressures.

the Patent Ofiice.

[sEALi] Signed and sealed this 226. day of December, A, D., 1908.

7. Composition cork constituting :1. sub

stantially homogeneous body ofsolid cork normally expansible and incapable ofshrinkmosphere or use as a sealing-medium and age under any ordinary conditions of atmosphere or use as a sealing medium and consisting of granules of cork covered with thin'coatings of a binder which unites all the granules and is insoluble by, and substantially neutral in the presence'of, water, beer and similar beveragesboth at normal and at high temperatures and ressures. 4 Signed at'New York, in t e county of New York, and State of New York, this 11th day of June, A. D. 1907. j d

, JOHN .A. JONES.

Witnesses: v v i EDGAR A. FELnows, ROBERT CHAMPION.

It is hereby certified that in Letters Patent No. 903,865, granted November 17,1908, upon the application of John A; Jones, of New York, N. Y., f0r an improvement I Composition Cork, an error appears in the printed specification requiring correction, 7' as follows:. Page 3, line '25, consisting-ofthe words mosphere or @asa sealing medium and should be strickeuout; and that the said Letters Pateiit'should be read with this correction therein that the same may conform to'therecord of the case in c. c. BILLINGs, Acting Coirim'iss'io ner of Patents. I

-Ci r recti0n in Letters Patent' No. 903,865.

stantially homogeneous body of solid cork having its air cells" substantially unclogged and of substantially the same resiliency as natural cork wood and consisting of granules of pure cork covered with 'thin coatings of a binder which unites all the granules but does not impregnate them and which is insoluble by, and substantially neutral in the presence of, water, beer and similar beverages both atnormal and at high temperatures and pressures.

6. Composition cork embodying a substantially homogeneous body of solid cork inca able of shrinkage under-any ordinary con itions of atmosphere or use as a sealing medium and consisting of ranules of pure cork covered with thin coatings of a binder which unites all the granules and is insoluble by water, beer and similar beverages both at normal and at high temperatures and pressures.

the Patent Ofiice.

[sEALi] Signed and sealed this 226. day of December, A, D., 1908.

7. Composition cork constituting :1. sub

stantially homogeneous body ofsolid cork normally expansible and incapable ofshrinkmosphere or use as a sealing-medium and age under any ordinary conditions of atmosphere or use as a sealing medium and consisting of granules of cork covered with thin'coatings of a binder which unites all the granules and is insoluble by, and substantially neutral in the presence'of, water, beer and similar beveragesboth at normal and at high temperatures and ressures. 4 Signed at'New York, in t e county of New York, and State of New York, this 11th day of June, A. D. 1907. j d

, JOHN .A. JONES.

Witnesses: v v i EDGAR A. FELnows, ROBERT CHAMPION.

It is hereby certified that in Letters Patent No. 903,865, granted November 17,1908, upon the application of John A; Jones, of New York, N. Y., f0r an improvement I Composition Cork, an error appears in the printed specification requiring correction, 7' as follows:. Page 3, line '25, consisting-ofthe words mosphere or @asa sealing medium and should be strickeuout; and that the said Letters Pateiit'should be read with this correction therein that the same may conform to'therecord of the case in c. c. BILLINGs, Acting Coirim'iss'io ner of Patents. I

It is hereby certified that in Letters Patent No. 903,865, granted November 17, 1908,

upon the application of John A. Jones of New York,

an error appears in the printed specification requiring correction,

Composition Cork,

as follows: Page 3, line 25, consisting of the words medium and with this correction therein that the same may conform to the Patent Office.

N. Y., for an improvement in mosphere or u seas a sealing should be stricken out; and that the said Letters Patent should be read the record of the case in Signed and sealed this 22d day of December, A. D., 1908.

[SEAL] G. C. BILLINGS,

Acting Commissioner of Patents.

Images