US418750A - And frank hammond - Google Patents
And frank hammond Download PDFInfo
- Publication number
- US418750A US418750A US418750DA US418750A US 418750 A US418750 A US 418750A US 418750D A US418750D A US 418750DA US 418750 A US418750 A US 418750A
- Authority
- US
- United States
- Prior art keywords
- core
- casting
- cores
- character
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005266 casting Methods 0.000 description 26
- 239000002184 metal Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003981 vehicle Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 2
- PZZYQPZGQPZBDN-UHFFFAOYSA-N Aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 2
- 229920001800 Shellac Polymers 0.000 description 2
- 235000015450 Tilia cordata Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 229910052570 clay Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000944 linseed oil Substances 0.000 description 2
- 235000021388 linseed oil Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000001473 noxious Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229940113147 shellac Drugs 0.000 description 2
- 235000013874 shellac Nutrition 0.000 description 2
- 239000004208 shellac Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N silicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/40—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings
- E04G11/46—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for coffered or ribbed ceilings of hat-like or trough-like shape encasing a rib or the section between two ribs or encasing one rib and its adjacent flat floor or ceiling section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/06—Moulds with flexible parts
Definitions
- a core composed of. asbestus with- 2 5 out admixture of other matter, whereby a dense, polished, uniform, refractory, nonscaling or non-shelling, non-cracking, permanent core is produced.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mold Materials And Core Materials (AREA)
Description
U ITE Sm'nss PATENT OFFICE WILLIAM ,NELSON REDDOUT, OF, RUSHV'ILLE, NEW YORK. Assienoa'ro ARTHUR B. BURTIS, F CLEVELAND, OHIO, AND FRANK HAMMOND, or
PHELPS, YORK.
com: FOR CASTING.
srncmrcanon formingpart of Letters Patent Nb. 418,750, dated January 7,1890.
. Applioatlonfilosl August 27, um.- Ber-kilo. 248,075., (No model) To all whom it may concern.- Be it known that I, WILLIAM NELSON RED DOUT, a citizen of the United States. of
re cores for producing castings with cavities,
orifices, depressions, &c.
The object of my invention-is to obtain a core, either solid or hollow, of a permanent or indestructible character-that is to say, a
core which can be readily drawn without injury thereto, and can be repeatedly used, and one which will give to thecasting a finished surface, that facilitates the drawing of the core and precludes the necessity for subsequent reaming or'dressing, and which leaves the metal of the casting in a condition to be easily tapped or dressed if the same is desired. To this end the invention, generally stated,
consists in a core composed of. asbestus with- 2 5 out admixture of other matter, whereby a dense, polished, uniform, refractory, nonscaling or non-shelling, non-cracking, permanent core is produced.
Heretofore, so far as I am aware, ashe st 11 s,.
wherever employed in this character of devices, has been used largely as a binder to hold together frangible or 'friable. material mixed therewith-such as graphite, kaolin, clay, mica, and like refractory material-and 3 5 with a cement-such as shellac, pitch, silicate of soda, or its equivalentthe whole mass be ing molded or dried, either with or without pressure, and productive of what may be termed a composition or combination 4ocore. Inthe first place, such cores are not what I term permanent cores, as they are destroyed in their removal from the casting and cannot be repeatedly used; they are durable only in the sense that they will stand the pressure of the molten metal in the.
' operation of casting; secondly, being of two ormore difierent materials, they are unequally ,aifected by the molten metal, and will warp,
crack, and shell, leaving the metal of diffen (preferably-hydrostatic pressure) in a suitaentcharacter at dili'erent points and the casting as rough and unfinished as-the old and well-known sand cores, necessitating first the destruction of the core for its removal, and after that the reaming or dressing of the a casting. Such cores cannot-be drawn so as to 5 5 remain .in condition for further use-first, owing to their composition, and, second, owing to the character of the casting.
I do not claim composition or combination cores of the classor. character specified of which ashestus is only an element.
- Having thus indicated and-acknowledged what has heretofore been done, I .will now proceed to describe'specifically the best manner? known to me of applying my invention, I I take the asbestus first as it is mined selecting by preference that which is mostfree from admixture with si'lica,lime, or other ex traueous matter, as the less foreign matter present the better will be the-result. The 7o asbestus is' shredded or reduced to a fine flocculent mass, and, if-desired, may be. washed and purified by any' of the several well-known methods. it is then reduced-to an adhesive condition or slightly plastic mass by adding thereto a vehicle which can be readily expelledtherefromesuch as water or lirqseed-oil-and is subject to. high pressure ble mold, and, preferably while under press-- me, it is subjected to heat suificient to vexpel the water, linseed-oil, or other vehicle used. to render the mass plastic, or to expel as much as possible thereof and reducethe rest toan in noxious matter, which will constitutea very insignificant and I inappreciable portion of the core,.leaving the core for all practical pure poses with exterior surfaces of pureasbestus,
A core produced substantially o'r entirelyof the-material as herein specifiedwill have a-perfectly hard smooth surface, and its density or compactness will depend to a certain'extent-ou the amount of pressure exerted in its formation. Its surface, being of the same smooth and uniform finish as metal, 5 will impart a like surface to the casting, which enables-the .core to be readily drawn and" leaves it (the core) in'condition for repeated use. Unlike composition cores, it will not scale,shrink, or crack, and therefore, if care has been taken in forming the core, the casting, when the core is drawn, is ready for immediate use, as the cavity therein is' perfect and smoothand an exactrcproduction of the core; hence there is great saving of time'arzd labor, not only in the repeated use of the core, but also in the reduction of labor required in fitting or finishing up the casting. Furthermore, while capable of and possessing the smooth surface of a metal core, it is unlike metal, sand, or composition cores, in that it does not harden or otherwise affect the character of the metal cast, leaving the surface which was in contact with the core uniformly smooth, tough, and soft throughout and,
readily workable-a great advantage if tapping, reaming, boring, or subsequenttreatment of the casting is desired.
The invention asabove described is applicableto the manufacture of any shape or character of cores desired, whether solid or p'art-ible, and can be readily applied by the skilled core-maker without other instruction thairthat given.
Having thus described the nature and advantages of my invention, what I claim, and desire to secure by Letters Patent, is-
1. A core for casting, said core having a smooth hard exterior surface composed entirely of asbestus, substantially as specified.
2. A core for casting, said core-having a smooth dense surface of a polished, uniform, non-scaling character, composed entirely of condensed and compacted asbestus,subst'1n tially as and for the purposes specified.
In testimony whereof I affix my signature in presence of two witnesses.
WILLIAM NELSON REDDOU'P.
Vvitnesses:
S. S. CATLIrt, W.'M. TAYLOR.
Publications (1)
Publication Number | Publication Date |
---|---|
US418750A true US418750A (en) | 1890-01-07 |
Family
ID=2487673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US418750D Expired - Lifetime US418750A (en) | And frank hammond |
Country Status (1)
Country | Link |
---|---|
US (1) | US418750A (en) |
-
0
- US US418750D patent/US418750A/en not_active Expired - Lifetime
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US418750A (en) | And frank hammond | |
US2239530A (en) | Lining composition for centrifugal casting molds | |
US821718A (en) | Mold for casting metals. | |
US3017677A (en) | Composition and method of forming ceramic cores | |
US2772458A (en) | Method of making smooth-surfaced sand-resin molds | |
US1981403A (en) | Surface coating castings | |
US2534652A (en) | Method of making composite refractory | |
US2169385A (en) | Manufacture of foundry molds | |
US1717615A (en) | Cast-iron pipe and process of making pipe | |
US348105A (en) | Keknet w | |
US1747679A (en) | Ingot mold with chilled matrix walls and apparatus for making same | |
US526669A (en) | Method of decorating pottery | |
US3384499A (en) | Crystalline bonded ceramic ware pressing mold and method of making same | |
US1944709A (en) | Refractory body and process of manufacturing the same | |
US1859078A (en) | Molded metallic core | |
US691174A (en) | Axle-box. | |
US422055A (en) | Mold for casting | |
US85340A (en) | Improvement in clay moulds for casting metals | |
US52338A (en) | Improvement in glass-molds | |
US42643A (en) | Improvement in casting drain-tiles | |
US1049799A (en) | Composition for constructing molds, cores, and the like for use in casting. | |
US289939A (en) | James stickle | |
US1288035A (en) | Composition of matter for use in foundry practice. | |
US241216A (en) | Process of fusing and molding iridium | |
US1827742A (en) | Mold lining |