USRE6014E - Improvement in vulcanized rubber compounds for packings and othek purposes - Google Patents
Improvement in vulcanized rubber compounds for packings and othek purposes Download PDFInfo
- Publication number
- USRE6014E USRE6014E US RE6014 E USRE6014 E US RE6014E
- Authority
- US
- United States
- Prior art keywords
- purposes
- vulcanized rubber
- packings
- othek
- improvement
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 title description 14
- 239000004636 vulcanized rubber Substances 0.000 title description 10
- 239000005060 rubber Substances 0.000 description 14
- 239000005864 Sulphur Substances 0.000 description 8
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 8
- 229910001369 Brass Inorganic materials 0.000 description 6
- 241000209456 Plumbago Species 0.000 description 6
- 239000010951 brass Substances 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 210000001503 Joints Anatomy 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 231100000078 corrosive Toxicity 0.000 description 2
- 231100001010 corrosive Toxicity 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
Definitions
- Vulcanized Rubber Compounds for Packing and other Purposes of which the following is hesive properties.
- It-oonsists of-avulcanizedrubber compound suitable for making packing valves and joints made by combining metallic filings-such as brass-with rubber and sulphur, and the materials usually employed in the manufacture of vulcanized rubber, in such proportions that after the mass is heated to a suitable vulcanizing temperature it will form a refractory rubber compound capable of withstanding the action of acids and other corrosive fluids, and steam, and the vapor of other fluids at high temperatures;
- a compound of indie-rubber, sulphur, plumbago, or black lead, or other equivalentmateriahusually mixedwith rubber to give consistency is used, to which are added metal filings, (brass being used by pref erence.)
- the metalfilin gs which are used in this composition are usually obtained from the pinfactories but they ma Y be prepared expressly for the purpose, according to the nature of the packing to be made.
- the proportions of the ingredients may be varied to suit the nature of the valves tobe made but for ordinary purposes the following proportious have been found to answer well,viz: Rubber, ten parts, by weight; plumbago, twenty parts, by Weight; carbonate of lead, or litharge, six parts, by
- a vulcanized rubber eompoundsuitable for resisting heat and chemical action composed of metal filings, rubber, sulphur, metallic oxides, and earthy matcriais, substantially as herein named.
Description
'UNITED STATES PATET OFFICE.
CHRISTOPHER L. FRINK, OF ROOKVILLE, CONNECTICUT, ASSIGNOR, BY MESNE ASSIGNMENTS, TO OSCAR T. EARL-E.
IMPROVEM CNT IN VULCANIZED RUBBER COMPOUNDS Hill PACKINGS AND GTHEH PURPOSES.
Specification forming part of Letters Patent No, 54,523, dated May 8, 1866; reissue No. 4,942, dated June 11, 1872; reissue No. 6,014, dated August 11, 1874; application filed August 8, 1874,
To all whom it may concern:
Be it known that CHRISTOPHERL. FRINK,
of Rockville, inthe county of Tolland and State of Connecticut, invented certain Improvements in Vulcanized Rubber Compounds for Packing and other Purposes, of which the following is hesive properties. It-oonsists of-avulcanizedrubber compound suitable for making packing valves and joints, made by combining metallic filings-such as brass-with rubber and sulphur, and the materials usually employed in the manufacture of vulcanized rubber, in such proportions that after the mass is heated to a suitable vulcanizing temperature it will form a refractory rubber compound capable of withstanding the action of acids and other corrosive fluids, and steam, and the vapor of other fluids at high temperatures;
In carrying out this invention, a compound of indie-rubber, sulphur, plumbago, or black lead, or other equivalentmateriahusually mixedwith rubber to give consistency, is used, to which are added metal filings, (brass being used by pref erence.) The metalfilin gs which are used in this composition are usually obtained from the pinfactories but they ma Y be prepared expressly for the purpose, according to the nature of the packing to be made. The proportions of the ingredients may be varied to suit the nature of the valves tobe made but for ordinary purposes the following proportious have been found to answer well,viz: Rubber, ten parts, by weight; plumbago, twenty parts, by Weight; carbonate of lead, or litharge, six parts, by
ings hardens vthe compound and renders it durable. It is found that brass filings, as herein described, give the best result; but the invention is not limited. to that metal, nor to the proportions given above, as these may be varied to change the hardness or elasticity, so
as to adapt it to the size and general nature of the article to be made, as is well understood by rubber-manciecturers.
What is claimed as the invention of 0 TL FRINK is- 1. A vulcanized rubber eompoundsuitable for resisting heat and chemical action, composed of metal filings, rubber, sulphur, metallic oxides, and earthy matcriais, substantially as herein named.
2. The combination of brass or other metallic filings, rubber, sulphur, plumbago, and carbonate of lead, or litharge, in the proportions substantially as set forth. a
In testimony whereof I have signed this specification this 8th day of August, 1874.
' USUAR T. EARLE,
Witnesses:
Gr ns. P. Wansrna, GEO; Schemes,
Family
ID=
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