US31184A - Improvement in the manufacture of sheet-iron - Google Patents

Improvement in the manufacture of sheet-iron Download PDF

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US31184A
US31184A US31184DA US31184A US 31184 A US31184 A US 31184A US 31184D A US31184D A US 31184DA US 31184 A US31184 A US 31184A
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iron
sheet
improvement
manufacture
sheets
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
    • C21D7/00Modifying the physical properties of iron or steel by deformation
    • C21D7/02Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02Pretreatment of the material to be coated

Description

UNITED STATES PATIENT DAVID A. MORRIS, OF PITTSBURG, PENNSYLVANIA.

IMPROVEMENT IN THE MANUFACTURE OF SHEET-IRON.

Specification forming part of Letters Patent No. 31,184, dated January 22, 1861.

-rolled to the proper size and weight with a thin uniform coat of ferrate of iron, commonly called black oxide-iron scale. Ferrate of iron is acompound of protoxide and scsqui oxide, according to the chemical configuration FeL e:FeO+2Fe,O, the former being the base and the latter the acid. Now, by converting this ferrate of iron into a protocarbide of iron (FcOO) we have a compound that is almost as inoorrodible as platina or gold, and capable of receiving a very fine polish. To effect this change in the nature of the ferrate of iron, and at the same time produce the finish desired, I manipulate the iron in manner as follows, viz: Taking the sheets of iron with the ferrate of iron on them, I apply a coat of coal-oil or petroleum. (Carbon in any other convenient form will do as well.) Then I place as many of the sheets thus preparedsay twenty-five or thirty-in a straight-sided panlike case, a section of which appears thusr Then, after puting on another sheet to constitute the lid, I turn over the edges of the case, thereby forming a close box, a section of which appears thus:

Then I place the whole in ainuffle, to be heated to about 900 Fahrenheit. Then I hammerthe packease and sheets-with a large faced steam-hammer, which should strike a blow of two hundred and fifty to threehundred pounds to the square inch of the hammer-face, and should run at least one hundred blows per. minute. If the hammering is continued until the iron is cool enough to bear the hand on it, it will have received a beautiful glossy enamel of the character above described, and so thoroughly incorporated with the iron'that it may be worked into intricate shapes without scaling off.

Hammering hardens the iron, so that it re quires annealing afterward, and it is difficult to hammer a large package of sheets entirely straight. They are likely to be more or less buckled. I therefore arrange a number of sheets in a case the same as for hammering,

V and as soon as the packing is properlyheated,

which can be done without effecting the polish of the enamel, Iplace it in a powerful press to cool. By this means I anneal sheet-iron' much quicker and cheaper than it is done by the only other method now in use, and am enabled at the same time to remove all kinks or buckle.

What I claim as my invention, and desire to secure by Letters Patent, is

The application of carbonaceous material prior to heating the iron, (without removing the iron scale or black oxide from the surface of the sheets,) and for thepurpose specified.

- D. A. MORRIS.

Witnesses:

THos. OWs'roN, J AS. MQGARGILL.

US31184A Improvement in the manufacture of sheet-iron Expired - Lifetime US31184A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462608A (en) * 1983-09-01 1984-07-31 General Motors Corporation Steerable suspension bearing assembly
US4541744A (en) * 1984-11-15 1985-09-17 General Motors Coporation Unitized bearing assembly with moldable race members and labryinth seal
US4615537A (en) * 1984-12-21 1986-10-07 Ford Motor Company Reduced friction automotive suspension strut mounting
US4699530A (en) * 1985-06-28 1987-10-13 Oiless Industry Co., Ltd. Thrust ball bearing unit
US4712776A (en) * 1986-07-14 1987-12-15 The Firestone Tire & Rubber Company Air spring suspension system
US6105984A (en) * 1993-04-14 2000-08-22 Oshkosh Truck Corporation Independent coil spring suspension for driven wheels
US6155543A (en) * 1999-01-27 2000-12-05 Daimlerchrysler Corporation Spring seat assembly for an automotive vehicle
US20020024954A1 (en) * 2000-08-08 2002-02-28 Sbc Technology Resources, Inc. Controller based call control for ATM SVC signaling
US20060114889A1 (en) * 2000-08-07 2006-06-01 Sbc Technology Resources, Inc. Multiservice use of network connection capability

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462608A (en) * 1983-09-01 1984-07-31 General Motors Corporation Steerable suspension bearing assembly
US4541744A (en) * 1984-11-15 1985-09-17 General Motors Coporation Unitized bearing assembly with moldable race members and labryinth seal
US4615537A (en) * 1984-12-21 1986-10-07 Ford Motor Company Reduced friction automotive suspension strut mounting
US4699530A (en) * 1985-06-28 1987-10-13 Oiless Industry Co., Ltd. Thrust ball bearing unit
US4712776A (en) * 1986-07-14 1987-12-15 The Firestone Tire & Rubber Company Air spring suspension system
US6105984A (en) * 1993-04-14 2000-08-22 Oshkosh Truck Corporation Independent coil spring suspension for driven wheels
US6155543A (en) * 1999-01-27 2000-12-05 Daimlerchrysler Corporation Spring seat assembly for an automotive vehicle
US20060114889A1 (en) * 2000-08-07 2006-06-01 Sbc Technology Resources, Inc. Multiservice use of network connection capability
US20020024954A1 (en) * 2000-08-08 2002-02-28 Sbc Technology Resources, Inc. Controller based call control for ATM SVC signaling

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