US1052156A - Metallic coating for metallic articles. - Google Patents

Metallic coating for metallic articles. Download PDF

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Publication number
US1052156A
US1052156A US67887112A US1912678871A US1052156A US 1052156 A US1052156 A US 1052156A US 67887112 A US67887112 A US 67887112A US 1912678871 A US1912678871 A US 1912678871A US 1052156 A US1052156 A US 1052156A
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United States
Prior art keywords
coating
metallic
articles
article
lead
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Expired - Lifetime
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US67887112A
Inventor
Herman J Lohmann
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LOHMANN Co
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LOHMANN Co
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Priority to US67887112A priority Critical patent/US1052156A/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/939—Molten or fused coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12042—Porous component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12472—Microscopic interfacial wave or roughness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12701—Pb-base component

Definitions

  • the present invention relates to c means for preventing the corrosion of 'metallic-azfcicles, especially ⁇ 'chose made of iion cr steel,
  • eml such means consists o a lead ccaing permeaiiiig the subsi-ence c" the ci'icle to e measurable cleplifan lie-ving e strong chemical union therewith, so es to prevent "che peiietraticn of die atmosphere and ⁇ @he iesultant cxiclatic-n cf 'Lilie article
  • the mesi; common meane useii for proeecizing ii'on and seel articles is tile recess of co-csiliecl galvanizing with zinc; bui- 'lze susceptibility of zinc to emission by eimcspiiei-ic influences, amil especially by sizi'ous ci sulfuric acid .fumes and vaipci'e, enel by see-ei?
  • Zinc is e brittle metal, which poc-eesses ciily e Surface adiiesicn with the cle, and sliceL-inefaiI coac Wixtli it caniic' therefore be wcilied imc forms where 'lie meiai is ebiiigly eiitf, Withcuciecliing coming emi exposing ilse sliee te exif alien.
  • the article claimed. herein is readily distinguished fiom any plates heretofore coated. Wiisl lead, by lie peiietieiicpc" the coatingiiitc the eiiics'izmce ci the licle .and iis chemical unici; iiexewith.
  • le' is also dialinguisliecl ieiii' any leed-cceed ci zinc-coal-ed article etci'ore produc-Qi, iw ille abeciice cf any l .1, of ⁇ icmmcziiicn etiieezi ille coal;- mg e2 the eiicle when e .tien ci the aiticie i eiclieil mac exiiliiin scope. i L' tf. i
  • neil Q15 Swede iicn simi-z fille leiei' c designates the libe-mis bully ci' tlieneillie letter lie usibleineiil ce ling, ami che letter c lice permcaiiig gicii' of the ccaiiing which exiemls inte and bc'ween h ying; ille ccniig tc the celle-le, ille iw lead alone, or admixed with one per cent. of tin is melted to form a molten bath, and the article. dipped therein after suitable preparation to cause a penetration of the melted metal into the substance of the ar- "ticle and a chemical union therewith.
  • the present invention is a specific form of that claimed in In application No. 585,952 filed October 8, 1910 for patent on pernieating protective for iron and steel articles, in which claim is made broadly to an anticleor" iron or steel having acoatingof any metal of the lead group (lead, zinc or tin) covering its surface and penetrating the substance of the article to a material and measurable depth and forming a chemical union therewith, and my present application is therefore limited to the Specific forni of the invention described and claimed herein.
  • a metallic article having a coating chiefly of lead disposed upon the surface and penetrating into the substance oi the article to a material and measurable depth and forming a chemical union therewith, such perineating portion of the lead operating ⁇ to protect the article from corrosion in dependently of the surface-coating.
  • Ari article or iron or steel having a coating,- chiefly of leed disposed 'upon the surface, the lead having about one per cent. of tin mingled therewith, and the coating having a penetration into the exposed pores of the article to a material and measurable depth and forming a chemical union with the exposed surfaces, such permeating portion of the coating-metal operating to protect the article from corrosion independently of the surface-coating.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Description

l E. J. LOHMANN. y METALLIC GOATNG FOR METALLIC ARTICLES.
'APPLlGATIOH FILED PEB.20, 1912.
CID
e'. :cci-immer, ce New JERSEY, science :se sacememi ccimemf, ce New come, e; Y., A ccimeceemmi ce? New wim.
To all 'whom 'z' 712.6414/ 00:46am:
Ee it known thai; l, HERMAN J. Lon- MANN, a, citizen of tlie United Stel-ee, 'Ie- Sidiiig et 30 Monticello avenue, Jersey Cilly, county of E uscn, and State of New 'esey, lieve iiiveiiied ceriein new and useful proveniente in Metallic Coetiiw for laici-ailic ti'cles, fully described amil: represented in the folle ing specification and the accompanying dra-wings, forming c per?. of the same. v
The present invention relates to c means for preventing the corrosion of 'metallic-azfcicles, especially `'chose made of iion cr steel,
emlsuch means consists o a lead ccaing permeaiiiig the subsi-ence c" the ci'icle to e measurable cleplifan lie-ving e strong chemical union therewith, so es to prevent "che peiietraticn of die atmosphere and `@he iesultant cxiclatic-n cf 'Lilie article The mesi; common meane useii for proeecizing ii'on and seel articles is tile recess of co-csiliecl galvanizing with zinc; bui- 'lze susceptibility of zinc to emission by eimcspiiei-ic influences, amil especially by sului'ous ci sulfuric acid .fumes and vaipci'e, enel by see-ei? ci' see-Water, is well known. Zinc is e brittle metal, which poc-eesses ciily e Surface adiiesicn with the cle, and sliceL-inefaiI coac Wixtli it caniic' therefore be wcilied imc forms where 'lie meiai is ebiiigly eiitf, Withcuciecliing coming emi exposing ilse sliee te exif alien. I
The present' iii/vcnicii sulis-ituiee :i coeting cf lead alone cr with e slight admixture of tim for the zinc coating heretofore used. l; is well known that lead pzieeents e. greci resistencctc suluz'cus end ciliei ccriosive La; l'
fumes, and that i'is entirely flexible, sc
that sheet-metall, articles.' combed lieeiiiiii may be bent Withoutciecliing the coating; but. leed alcne'has not usually beenl celesti uicfl for zinc es a coating, because il has :uc iliiniiy foy icn and 'the means emplcyezi ier eimclii xg "alie zinc coating will not Lech e mi sewing saiiscccrily;
if have iliscc'veieii time vlie pccess ici' coming iron ci' steel crticlee petcicd te me cn pi'ii 25,;1911, 'in Patent- -lc. 99%?442-3, een lee usecl tc coat eiticles fr? iron. ci', steel willi .e plein vleed @eating which oimc a chemical union with the surface ci.' he
Y article and Apenetrates ille same so es to protec-t it, even if the Surface coating be le moveal cy Wee? or ebieeion. This fliscov, er 4 1s greet velue, iiecauee lead is materi-a al y cheaper than zinc, articles can therefore he coated wiili ic et less cost, L1nd pcssess e resistance 'lo corrosion which is nien? imes giee'tei ilien *vliet afforded by :amcb Wiei'e e briglitappecience is flesiijedrin the aiticle, I mix one per cci. tin Willi tlie leacl, such addition als@ cusing the lead to flow mere freely when ,applied L0 the'. metallic articles emi giviiw' liie coating a little brighter ccloi, while it fem-eins substantially a lecci-scalino. I
The article claimed. herein is readily distinguished fiom any plates heretofore coated. Wiisl lead, by lie peiietieiicpc" the coatingiiitc the eiiics'izmce ci the licle .and iis chemical unici; iiexewith. le' is also dialinguisliecl ieiii' any leed-cceed ci zinc-coal-ed article etci'ore produc-Qi, iw ille abeciice cf any l .1, of {icmmcziiicn etiieezi ille coal;- mg e2 the eiicle when e .tien ci the aiticie i eiclieil mici exiiliiin scope. i L' tf. i
`the s lied of e re-cteiiguliai' piece ci" mi ffii i 235 the coating applied u icii Sies, cxc-ep- Whe'e ii been re :il from lli-e surface eff che iicn upm e i-ticii cf iis unclei: le.. F shows rciiglit mail ccnsideiei'ly enlcged wich ille end. poticii in 9D section.
lullig. l, e elicws the substance ofthe recuaiguler caemg, 73 shows: the coating there-eli, c the pcrmcn ci the coming which penetrates the eupeilciiil ciyslals ci the 9o casbizig, which genetischen. is gfcplcelly shown by .Siipplmg upcn such cryscie. (l
.designates the sui-face cf 'the cesing wliei'c' pcice cf die upenlie luider faille; 1 ich euicce "'hcwin mctecislie es ne coating is remo@ iii 2, e. neil Q15 Swede iicn simi-z fille leiei' c designates the libe-mis bully ci' tlieneillie letter lie usibleineiil ce ling, ami che letter c lice permcaiiig gicii' of the ccaiiing which exiemls inte and bc'ween h ying; ille ccniig tc the celle-le, ille iw lead alone, or admixed with one per cent. of tin is melted to form a molten bath, and the article. dipped therein after suitable preparation to cause a penetration of the melted metal into the substance of the ar- "ticle and a chemical union therewith.
At the present time, l use the process clescribed in the said Patent No. 990,443, for amalgamating the surface of the article in a peculiar manner before dippingit into the bath of the molten metal; but my claim herein is not to the method oii coating, but to the article having` the characteristics claimed, however they may be obtained. These characteristics give the lead-coated metallic article an extraordinary resistance to corrosive agents, so that articles `with Such a coating are able to resist sea-Water, the corrosive atmosphere in mines and acid tatories, chimney stacks, and other situations Where ordinary galvanized articles'are soon corroded.
lThe present invention is a specific form of that claimed in In application No. 585,952 filed October 8, 1910 for patent on pernieating protective for iron and steel articles, in which claim is made broadly to an anticleor" iron or steel having acoatingof any metal of the lead group (lead, zinc or tin) covering its surface and penetrating the substance of the article to a material and measurable depth and forming a chemical union therewith, and my present application is therefore limited to the Specific forni of the invention described and claimed herein.
Having thus set forth the nature of my invention what is claimed herein is:
l. A metallic article having a coating chiefly of lead disposed upon the surface and penetrating into the substance oi the article to a material and measurable depth and forming a chemical union therewith, such perineating portion of the lead operating` to protect the article from corrosion in dependently of the surface-coating.
2. Ari article or iron or steel having a coating,- chiefly of leed disposed 'upon the surface, the lead having about one per cent. of tin mingled therewith, and the coating having a penetration into the exposed pores of the article to a material and measurable depth and forming a chemical union with the exposed surfaces, such permeating portion of the coating-metal operating to protect the article from corrosion independently of the surface-coating.
In testimony' whereof l have hereunto set my hand in the presence oi' two subscribing Witnesses.
HERMAN J. LOHMf'kllN.
Witnesses JOHN Gr. HELDEN, THOMAS S. CRANE.
Cir
US67887112A 1912-02-20 1912-02-20 Metallic coating for metallic articles. Expired - Lifetime US1052156A (en)

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