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US5439751A Expired / Lapsed US ⏱️ 0.0 years remaining

Ore pellet cooler side plate

Assignee: Carondelet Foundry Co
•
Filing: 1993-12-30
•
Granted: 1995-08-08
•
Expires: 2013-12-30
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Abstract

Abstract An improved cast grate cooler side plate having a bottom surface containing a metal alloy insert embedded therein wherein said insert is formed from an alloy selected from the group consisting of: A. an alloy consisting essentially of, by weight, ______________________________________ Carbon about 1.5-3% Chromium about 23-30% Manganese <2.5% Silicon <2.5% Nickel up to about 3% Molybdenum up to about 3% Iron essentially the balance ______________________________________ B. an alloy consisting essentially of, by weight,______________________________________Carbon about 2.5-3.6%Chromium about 1.4-3.5%Manganese about 0.4-0.7%Silicon about 0.4-0.7%Nickel about 4.0-4.75%Iron essentially the balance______________________________________ and C. an alloy consisting essentially of, by weight,______________________________________Carbon about 0.25-1.6%Chromium about 3-12%Manganese <1.5%Silicon <1.5%Molybdenum <2%Vanadium <1.5%Iron essentially the balance______________________________________

Inventors

  • 👤 Dennis J. Fesler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:39
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/011; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965; Y10T428/12972; Y10T428/12979

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 124 words
An improved cast grate cooler side plate having a bottom surface containing a metal alloy insert embedded therein wherein said insert is formed from an alloy selected from the group consisting of: A. an alloy consisting essentially of, by weight, ______________________________________ Carbon about 1.5-3% Chromium about 23-30% Manganese <2.5% Silicon <2.5% Nickel up to about 3% Molybdenum up to about 3% Iron essentially the balance ______________________________________ B. an alloy consisting essentially of, by weight, ______________________________________ Carbon about 2.5-3.6% Chromium about 1.4-3.5% Manganese about 0.4-0.7% Silicon about 0.4-0.7% Nickel about 4.0-4.75% Iron essentially the balance ______________________________________ and C. an alloy consisting essentially of, by weight, ______________________________________ Carbon about 0.25-1.6% Chromium about 3-12% Manganese <1.5% Silicon <1.5% Molybdenum <2% Vanadium <1.5% Iron essentially the balance ______________________________________
Claim 2
Dependent Claim 124 words
An improved cast grate cooler side plate having a bottom surface containing a metal alloy insert embedded therein wherein said insert is formed from an alloy selected from the group consisting of: A. an alloy consisting essentially of, by weight, ______________________________________ Carbon about 1.5-3% Chromium about 23-30% Manganese <2.5% Silicon <2.5% Nickel up to about 3% Molybdenum up to about 3% Iron essentially the balance ______________________________________ B. an alloy consisting essentially of, by weight, ______________________________________ Carbon about 2.5-3.6% Chromium about 1.4-3.5% Manganese about 0.4-0.7% Silicon about 0.4-0.7% Nickel about 4.0-4.75% Iron essentially the balance ______________________________________ and C. an alloy consisting essentially of, by weight, ______________________________________ Carbon about 0.25-1.6% Chromium about 3-12% Manganese <1.5% Silicon <1.5% Molybdenum <2% Vanadium <1.5% Iron essentially the balance ______________________________________
Claim 3
Dependent Claim 17 words
A cooler plate of claim 1 wherein the insert is formed from an alloy of alloy A.
Claim 4
Dependent Claim 12 words
An alloy of claim 2 wherein the alloy contains about 2.4% carbon.
Claim 5
Dependent Claim 29 words
An alloy of claim 2 wherein the alloy has a composition of about 2.4% C, about 25% Cr, about 1% Mn, about 1% Si and the balance essentially Fe.
Claim 6
Dependent Claim 19 words
A great cooler side plate of claim 1 wherein the insert is formed from an alloy of alloy B.
Claim 7
Dependent Claim 32 words
An alloy of claim 5 wherein the alloy consists essentially of: ______________________________________ Carbon about 3% Chromium about 2.3% Manganese about 0.5% Silicon about 0.6% Nickel about 4.25% Iron essentially the balance ______________________________________
Claim 8
Dependent Claim 12 words
An alloy of claim 5 wherein the chromium content is about 2.3%.
Claim 9
Dependent Claim 17 words
An alloy of claim 1 wherein the cooler side plate is cast from ASI alloy type HH.
Claim 10
Dependent Claim 17 words
An alloy of claim 1 wherein the cooler side plate is cast from ASI alloy type HI.
Claim 11
Dependent Claim 16 words
An alloy of claim 1 wherein the insert is formed from an alloy of alloy C.
Claim 12
Dependent Claim 19 words
An alloy of claim 10 wherein the carbon content is in the range of about 0.4% to 1.5% C.
Claim 13
Dependent Claim 32 words
An alloy of claim 11 wherein the alloy has a composition consisting essentially of: ______________________________________ Carbon 0.4% Chromium 5.0% Manganese 0.30% Silicon 1.00% Molybdenum 1.35% Vanadium 1.00% Iron essentially the balance ______________________________________
Claim 14
Dependent Claim 32 words
An alloy of claim 11 wherein the alloy has a composition consisting essentially of: ______________________________________ Carbon 1.50% Chromium 12.0% Manganese 0.3% Silicon 0.25% Molybdenum 0.8% Vanadium 0.6% Iron essentially the balance ______________________________________

References Cited (Backward Citations)

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US3815727A Cited
US3863755A Cited
US4099988A Cited
US5081774A Cited
US5121831A Cited
US5106577A Cited
US5202087A Cited
US5328776A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1998-08-07 1999-02-06 1999-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2002-08-07 2003-02-06 2003-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2006-08-07 2007-02-06 2007-08-08 $7700.00 Window Closed / Lapsed

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