US526836A - Process of retinning bath-tubs - Google Patents

Process of retinning bath-tubs Download PDF

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Publication number
US526836A
US526836A US526836DA US526836A US 526836 A US526836 A US 526836A US 526836D A US526836D A US 526836DA US 526836 A US526836 A US 526836A
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United States
Prior art keywords
bath
tubs
retinning
tub
solder
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Expired - Lifetime
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Classifications

    • 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
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/005Repairing damaged coatings
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12708Sn-base component
    • Y10T428/12715Next to Group IB metal-base component
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12708Sn-base component
    • Y10T428/12722Next to Group VIII metal-base component
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12785Group IIB metal-base component
    • Y10T428/12792Zn-base component
    • Y10T428/12799Next to Fe-base component [e.g., galvanized]

Description

7 UNITED STATES PATENT OFFICE.
DAWSON B. HILTON, OF BROOKLYN, !NEW YORK.
PROCESS OF RETINNING .BATH-TUBS.
SPECIFICATION formingpart of Letters Patent No. 526,836, dated October 2, 1894.
Application filed. June 8,1894. Serial No. 513,924:- (No p ns) cess by which bath tubs composed of copper,
sheet iron or zinc may be retinned without removing the bath tubs or disturbing the plumbing or woodwork.
Heretofore it has been impracticable to retin bath tubs without detaching and removing them, because the solder would run unevenly over the surface and the tub had to be tilted, to spread the solder uniformly. By my invention, the solder runs entirely smooth while the bath tub may be retained in its normal upright position.
In carrying out my invention I proceed as follows: The bath tub is scoured with coarse sand and raw muriatic acid, to remove the dirt, grease and stains; the sand and acid are washed off by water, and-a bath of raw muriatic acid is applied- Next I cover the bath tub with a liquid alloy which acts as a flux, and which is composed of about two-thirds parts of mercury and one-third part of a soft metal which is dissolvable in mercury. For this metal, I prefer to use pure tin filings, though lead, Babbitt metal, pewter, or other .soft metals may be used. After the tub is thoroughly bright with this alloy, I clean off the scum with water, and then apply a bath of nitric acid, which I let stand until a white cleaned ofi with sand, and the sand is washed off by water, and then the process is completed.
I have found in practice, that by my improved process, the solder can be distributed evenly over the entire surface of the tub, and that it will not form lumps or ridges, while the soldering iron need be heated only to such an extent, that it will not warp the body of the tub.
What I claim is The process of re-tinning bath tubs which consists in washing them with acid, applying an alloy consisting of mercury and a soft metal dissolved therein, washing consecutively with nitric and muriatic acid, applying a coating of solder, washing with muriatic acid, and applying a second coating of solder, substantially as specified.
DAwsoN B. HILTON. Witnesses:
F. v. BEIEsEN, WILLIAM SOHULZ.
US526836D Process of retinning bath-tubs Expired - Lifetime US526836A (en)

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US526836A true US526836A (en) 1894-10-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632410A (en) * 1968-08-16 1972-01-04 Trw Inc Preparation of clean metal surfaces for diffusion bonding
KR100820291B1 (en) 2006-11-10 2008-04-07 제주대학교 산학협력단 Blood coagulation inhibiting composition comprising supernatant from fermentated lomentaria catenata as active ingredient and a method for preparing thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632410A (en) * 1968-08-16 1972-01-04 Trw Inc Preparation of clean metal surfaces for diffusion bonding
KR100820291B1 (en) 2006-11-10 2008-04-07 제주대학교 산학협력단 Blood coagulation inhibiting composition comprising supernatant from fermentated lomentaria catenata as active ingredient and a method for preparing thereof

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