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US 2025/0171881 A1Published application
Mineral wool spinners
AssigneeKnauf Insulation SPRL
InventorsJames MOFFAT, Howard STONE, Paul JACKSON
Life of this patent
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Abstract
A mineral wool spinner comprises a cobalt-chromium alloy or nickel-chromium alloy spinner alloy comprising: Cr ≥ 20 wt % and ≤ 40 wt % : C ≥ 0.4 wt % and ≤ 1.8 wt % Si ≥ 1. wt %
Claims14
-43. (canceled)
A mineral wool spinner, wherein the spinner alloy consists essentially of:
- wt %
- Co
- ≥37 and ≤55
- Ni
- ≥9 and ≤12
- Cr
- ≥31 and ≤34
- C
- ≥0.4 and ≤1.2
- Si
- ≥1 and ≤4
- Fe
- ≤3
- Mo + W
- ≥4 and ≤7
12 more elements
A mineral wool spinner, wherein the spinner alloy comprises:
- wt %
- Co
- ≥37 and ≤55
- Ni
- ≥9 and ≤12
- Cr
- ≥31 and ≤34
- C
- ≥0.4 and ≤1.2
- Si
- ≥1 and ≤4
- Fe
- ≤3
- Mo + W
- ≥4 and ≤7
12 more elements
A mineral wool spinner, in which the mineral wool spinner is a cobalt-chromium alloy and in which
- the element which is present in the greatest % wt in the cobalt-chromium alloy is cobalt, the element that is present in the second greatest wt % in the cobalt-chromium alloy is chromium, and the element which is present in the third greatest wt % in the cobalt-chromium alloy is nickel,
- and in which the cobalt-chromium alloy comprises the following elements present in the following % weights:
- Cr
- ≥
- 20
-
- wt
-
- %
-
- and
- ≤
- 40
-
- wt
-
- %
- :
- Ni
- ≥
- 5
-
- wt
-
- %
- C
- ≥
- 0.4
- wt
-
- %
-
- and
- ≤
- 1.8
- wt
-
- %
- Si
- ≥
- 1.
- wt
-
- %
41 more elements
Dependencies are inferred from the claim text.