US413438A - Process of manufacturing battery-zincs - Google Patents

Process of manufacturing battery-zincs Download PDF

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Publication number
US413438A
US413438A US413438DA US413438A US 413438 A US413438 A US 413438A US 413438D A US413438D A US 413438DA US 413438 A US413438 A US 413438A
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United States
Prior art keywords
zincs
zinc
manufacturing battery
battery
mercury
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Expired - Lifetime
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17—Metallic particles coated with metal
    • 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
    • Y10T29/00—Metal working
    • Y10T29/10—Battery-grid making

Definitions

  • iii y invention relates to an improvement in what-are called batte1-y-zinc's;-- and it consistsin combining the metal zinc with mer cnry and" afterward compressing the combar ofthe proper form for use.
  • the zinc is first pulverized or made into a fine powder in any well-known manner, this-metal being sufficiently friable to be broken up and pulverized under certain conditions. I then addto it diluted sulphuric acid,which will thoroughlyclean the surface, and then add mercury thereto.
  • the proportion of zinc and mercury may be varied, the incorporate the can be. compressed into forms which will retain their shape.
  • This mixture having-been molds or "forms of suitable shape for battery purposes, and is then compressed undcr a powerful hydraulic or other press, which will result in uniting it into a solid -homogeneous bar, in which the mercury is distributed throughout the whole mass of the zinc,in stead ofbeing simply contained upon the surface thereof.

Description

To all whom it may concern:
' pound" into a made, it is placed in California,
UNITED STATES P TENT O FICE,
FRANK F. scenes, or
SAN- FRANCISCO, CALIFORN iA.
SPECIFICATION forming part of Letters Petent'No. 413,438,
dated October 22, 1se9.'
Application mana 9,1889. Serial No. 310,178. on specimens.)
Bedt known that I, FRANK F. EGGERS, of the city and county of San Francisco, State of l have invented an Improvement in the Process of Manufacturing Battery- Zincs; and I hereby declare the following to be a full, cleanfan d exact description of the same. l
iii y invention relates to an improvement in what-are called batte1-y-zinc's;-- and it consistsin combining the metal zinc with mer cnry and" afterward compressing the combar ofthe proper form for use.
Various methods have been hitherto employed for the manufacture of zincs for battery use,in some of which the zinc is heated or melted and amalgamated with mercury 'and either cast into the proper form or left.
in a pulverized condition.
In my invention the zinc is first pulverized or made into a fine powder in any well-known manner, this-metal being sufficiently friable to be broken up and pulverized under certain conditions. I then addto it diluted sulphuric acid,which will thoroughlyclean the surface, and then add mercury thereto. The proportion of zinc and mercury may be varied, the incorporate the can be. compressed into forms which will retain their shape. This mixture having-been molds or "forms of suitable shape for battery purposes, and is then compressed undcr a powerful hydraulic or other press, which will result in uniting it into a solid -homogeneous bar, in which the mercury is distributed throughout the whole mass of the zinc,in stead ofbeing simply contained upon the surface thereof. This'method of forming-the bar makes the bar somewhat porous or spongy, with interstices throughout its substance, which increase the surface upon that by this construction I- greatly increase theefiective power of the zinc-pole of the battery, while at the same time it will always remain bright and untarnished until it is entirely used up. IIaving thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-- :lh'e improvement in the process of manufacturing battery-zines, consisting in pulverizingthezinc, applying thereto diluted sulphuric acid and mixing mercury therewith, and afterward compressing the mixture, without heat, into bars or forms, substantially as herein described.
. In-.witness'whereot hand.
. FRA K r. scene s.
\Vituesses:
one. H. smote,- S. H. Noonsn.
I have hereunto set my I which the batteryrliquid can act; and-lfind
US413438D Process of manufacturing battery-zincs Expired - Lifetime US413438A (en)

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US413438A true US413438A (en) 1889-10-22

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480839A (en) * 1945-12-03 1949-09-06 Us Sec War Alkaline primary cell
US2501673A (en) * 1945-12-04 1950-03-28 Us Sec War Powdered zinc anode for primary cells
US2526692A (en) * 1944-02-16 1950-10-24 Ruben Samuel Primary cell and battery
US2606941A (en) * 1946-05-21 1952-08-12 Ruben Samuel Primary cell and battery
US2734094A (en) * 1956-02-07 simon
DE2205528A1 (en) * 1971-02-10 1972-08-24 Mallory & Co Inc P R Negative electrode for electric batteries and process for their manufacture
US4743185A (en) * 1986-03-14 1988-05-10 Sab Nife Inc. Corrosion resistant mercury-free zinc anode battery
US5034054A (en) * 1989-07-03 1991-07-23 Ecoflo, Inc. Process for treating mercury in preparation for disposal

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734094A (en) * 1956-02-07 simon
US2526692A (en) * 1944-02-16 1950-10-24 Ruben Samuel Primary cell and battery
US2480839A (en) * 1945-12-03 1949-09-06 Us Sec War Alkaline primary cell
US2501673A (en) * 1945-12-04 1950-03-28 Us Sec War Powdered zinc anode for primary cells
US2606941A (en) * 1946-05-21 1952-08-12 Ruben Samuel Primary cell and battery
DE2205528A1 (en) * 1971-02-10 1972-08-24 Mallory & Co Inc P R Negative electrode for electric batteries and process for their manufacture
US3713891A (en) * 1971-02-10 1973-01-30 Mallory & Co Inc P R Chloride free leaching process for porous zinc anodes
US4743185A (en) * 1986-03-14 1988-05-10 Sab Nife Inc. Corrosion resistant mercury-free zinc anode battery
US5034054A (en) * 1989-07-03 1991-07-23 Ecoflo, Inc. Process for treating mercury in preparation for disposal

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