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Heat-insulating compositions and their use

Assignee: Sandvik AB
•
Filing: 1963-12-09
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Granted: 1966-07-26
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Expires: 1983-12-09
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Abstract

No abstract record available.

Inventors

  • 👤 Ingham Anthony John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 06:41
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/04; B; B22; B22D; B22D7/00; B22D7/06; B22D7/10; B22D7/104; C04; C04B; C04B18/00; C04B18/04; C04B18/18; C04B18/24; C04B18/245; C04B26/00; C04B26/02; C04B28/00; C22B5/06; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 80 words
A METHOD FOR THE PRODUCTION OF CASTINGS AND INGOTS WHEREIN MOLTEN METAL PASSED INTO A MOULD WHEREIN THE HEAD OF THE MOULD IS PROVIDED WITH SLABS OF HEATINSULATING COMPOSITION BEING A COMPOSITION CONSISTING ESSENTIALLY OF 50 TO 94 PARTS BY WEIGHT OF A GRANULAR HEATINSULATING REFRACTORY MATERIAL, 5 TO 35 PARTS BY WEIGHT OF CORK IN PARTICULATE FORM, 0 TO 15 PARTS BY WEIGHT OF INORGANIC FIBROUS REFRACTORY MATERIAL AND 1 TO 20 PARTS BY WEIGHT OF A BINDER MATERIAL.
Claim 2
Independent Claim 80 words
A METHOD FOR THE PRODUCTION OF CASTINGS AND INGOTS WHEREIN MOLTEN METAL PASSED INTO A MOULD WHEREIN THE HEAD OF THE MOULD IS PROVIDED WITH SLABS OF HEATINSULATING COMPOSITION BEING A COMPOSITION CONSISTING ESSENTIALLY OF 50 TO 94 PARTS BY WEIGHT OF A GRANULAR HEATINSULATING REFRACTORY MATERIAL, 5 TO 35 PARTS BY WEIGHT OF CORK IN PARTICULATE FORM, 0 TO 15 PARTS BY WEIGHT OF INORGANIC FIBROUS REFRACTORY MATERIAL AND 1 TO 20 PARTS BY WEIGHT OF A BINDER MATERIAL.

References Cited (Backward Citations)

CA563752A Cited
US2324786A Cited
US2390500A Cited
US2863192A Cited
US3006046A Cited
US3072981A Cited
GB903502A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-25 1970-01-24 1970-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-25 1974-01-24 1974-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-25 1978-01-24 1978-07-26 $7700.00 Window Closed / Lapsed

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