US1327102A - Sherardizing apparatus - Google Patents

Sherardizing apparatus Download PDF

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Publication number
US1327102A
US1327102A US280130A US28013019A US1327102A US 1327102 A US1327102 A US 1327102A US 280130 A US280130 A US 280130A US 28013019 A US28013019 A US 28013019A US 1327102 A US1327102 A US 1327102A
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United States
Prior art keywords
sherardizing
retort
heating units
charles
rotary
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Expired - Lifetime
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US280130A
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Charles J Kirk
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Priority to US280130A priority Critical patent/US1327102A/en
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    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/34—Embedding in a powder mixture, i.e. pack cementation
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Definitions

  • My invention relates to sherardizing apparatus
  • the process of sherardizing consists essentially in applying to metallic surfaces pulverulent zinc partially 0X1- dized and subjecting the same to heat in a closed chamber.
  • the present invention relates to the retort or closed chamber within which the process takes place and has special 1'e"e1'ence to increasing the heating etlieiency whereby the time required for effecting the. sherardizing may be greatly reduced.
  • FIG. l is a longitudinal section ot a rotary sherardizing retort with my invention applied thereto, and Fig. 2 is a cross-section on the line 22 Fig. l.
  • the numeral 2 designates the inelosure for the retort made of firebriek or other refractory material, and of the usual construction with the hinged-top 3.
  • W'ithiu ⁇ said inclosure is the retort 4C provided with the hollow trunnions 5 which rest upon the idle-rollers 6 mounted in the brackets 7.
  • the retort -1 is made up of the end plates 8 with the trunnions 5 extending out therefrom, and the electric heating units 9 fprm- 40 ing with the lid 10 al hexagonal shaped re tort.
  • the heating units 9 may be of .any suitable construction. l
  • a central heater l1 is provided consisting of the hollow-core l2 with the resistance- 45 coil 13 extending therethrough.
  • the pulverulent zinc and the articles te he sherardized are to be introduced into ⁇ the retort -i, the lid 10 having been removed.y

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Description

C. AKIRA.
SHERARDIZING APPARATUS.
APPLJCATION FILED MAB.1, 1919- 1 ,327, 1 O2 4 Patented J an. 1920.
. l A |NvEAAl-rl'1n/i @n a: Aam
UNITED "f SHERARDIZING APPARATUS.
Specification o. Letters Patent.
Patented Jan., 6, 1,920.
Application filed March 1, 1919. Serial No. 280,130.
To all whom z' may concern Be it known that I, CHARLES-J. KIRK, a citizen of the United States, a resident of New Castle, in the county of Lawrence and State of Pennsylvania, have invented a new and useful Improvement in Sherardizing Apparatus, and do hereby declare the following to be a full, clear, and exact description thereof.
My invention relates to sherardizing apparatus,
As is well known the process of sherardizing consists essentially in applying to metallic surfaces pulverulent zinc partially 0X1- dized and subjecting the same to heat in a closed chamber. The present invention relates to the retort or closed chamber within which the process takes place and has special 1'e"e1'ence to increasing the heating etlieiency whereby the time required for effecting the. sherardizing may be greatly reduced.
To these ends my invention comprises the novel features hereinafter set forth and claimed.
Tn the accompanying drawing Figure l is a longitudinal section ot a rotary sherardizing retort with my invention applied thereto, and Fig. 2 is a cross-section on the line 22 Fig. l.
In the drawing the numeral 2 designates the inelosure for the retort made of firebriek or other refractory material, and of the usual construction with the hinged-top 3. W'ithiu `said inclosure is the retort 4C provided with the hollow trunnions 5 which rest upon the idle-rollers 6 mounted in the brackets 7.
The retort -1 is made up of the end plates 8 with the trunnions 5 extending out therefrom, and the electric heating units 9 fprm- 40 ing with the lid 10 al hexagonal shaped re tort. The heating units 9 may be of .any suitable construction. l
A central heater l1 is provided consisting of the hollow-core l2 with the resistance- 45 coil 13 extending therethrough.
The pulverulent zinc and the articles te he sherardized are to be introduced into` the retort -i, the lid 10 having been removed.y
Power is then applied through the sprocket wheel 1l to rotate the retort. By having the separate heater 11 extending centrally of the retort the heat permeates the mass contained within the retort from `the center outwardly while the heating units' 9 work 56 from the outside in. In this manner the time For the carrying out of the process is greatly reduced due to the greater heatinu eiiicieney and the fact that the heat-Wil radiate from the center without .loss due to external radiation as in the case of the heating units 9.
What ll claim is:
l. n slierardizing appa1atus,'the cornloi-l nation of a rotary retort, external electric' 65 heating units, and an internally arranged electric heating unit.
2. In sherardizing apparatus, the combi-- nation of a rotary retort, external electrie heating units and internal electrical heating units arranged axially of said retort. l
In, testimony whereof l', the said CHARLES J. Kinn, have hereunto set my hand.
CHARLES J. KIRK.
Witnesses H. L. FULMER, 0, P. BEE.
US280130A 1919-03-01 1919-03-01 Sherardizing apparatus Expired - Lifetime US1327102A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777095A (en) * 1972-05-15 1973-12-04 Tokyo Shibaura Electric Co Microwave heating apparatus
EP3561144A1 (en) 2018-04-27 2019-10-30 Remix spolka akcyjna Method of depositing a zinc layer on the surface of steel elements and a unit for deposition of a zink layer on the surface of steel elements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777095A (en) * 1972-05-15 1973-12-04 Tokyo Shibaura Electric Co Microwave heating apparatus
EP3561144A1 (en) 2018-04-27 2019-10-30 Remix spolka akcyjna Method of depositing a zinc layer on the surface of steel elements and a unit for deposition of a zink layer on the surface of steel elements

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