US4011075A
Expired / Lapsed
US
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Materials for tamping battery mix
Assignee: Furukawa Electric Co Ltd
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Filing: 1974-08-19
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Granted: 1977-03-08
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Expires: 1994-08-19
Abstract
Abstract Materials for tamping battery mix, composed of an intermetallic compound of CoTi or Co-Ti binary alloy having a composition near the intermetallic compound or composed of the intermetallic compound in which part of the constituents are replaced by other elements and having excellent wear resistance and burning resistance as well as corrosion resistance against the battery mix.
Inventors
- 👤 Misao Watanabe
- 👤 Yasuji Fujii
- 👤 Kiyoshi Takayanagi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:26
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/10; C; C22; C22C; C22C14/00; C22C19/00; C22C19/07
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
58 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic % of titanium, about 0.5 to 5 atomic % of molybdenum, the balance being Co, and having good corrosion resistance against Leclanche-type or manganese-alkaline dry battery mix.
Claim 2
Dependent Claim
58 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic % of titanium, about 0.5 to 5 atomic % of molybdenum, the balance being Co, and having good corrosion resistance against Leclanche-type or manganese-alkaline dry battery mix.
Claim 3
Dependent Claim
22 words
The tamping device of claim 1 in which the alloy of CoTi further comprises about 48.0 to 52.0 atomic % of titanium.
Claim 4
Dependent Claim
87 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 5 atomic percent of molybdenum, the balance being cobalt and up to about 50% of the balance being an element selected from the group consisting of Fe, Cr, Ni and combinations thereof to improve corrosion resistance against Leclanche-type and manganese-alkaline dry battery mix at a temperature of about 50° C.
Claim 5
Dependent Claim
87 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 5 atomic percent of molybdenum, the balance being cobalt and up to about 50% of the balance being an element selected from the group consisting of Fe, Cr, Ni and combinations thereof to improve corrosion resistance against Leclanche-type and manganese-alkaline dry battery mix at a temperature of about 50° C.
Claim 6
Dependent Claim
75 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 5 atomic percent of molybdenum, the balance being cobalt and up to about 5% of the balance being an element selected from the group consisting of elements of the platinum group, the rare earth elements and combinations thereof.
Claim 7
Dependent Claim
75 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 5 atomic percent of molybdenum, the balance being cobalt and up to about 5% of the balance being an element selected from the group consisting of elements of the platinum group, the rare earth elements and combinations thereof.
Claim 8
Dependent Claim
75 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 5 atomic percent of molybdenum, the balance being cobalt and up to about 2.5% of the balance being an element selected from the group consisting of elements of the platinum group, the rare earth elements and combinations thereof.
Claim 9
Dependent Claim
75 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 5 atomic percent of molybdenum, the balance being cobalt and up to about 2.5% of the balance being an element selected from the group consisting of elements of the platinum group, the rare earth elements and combinations thereof.
Claim 10
Dependent Claim
56 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 3 atomic percent of molybdenum, the balance being cobalt and up to about 50% of the balance being Ni.
Claim 11
Dependent Claim
56 words
A tamping device for use in the tamping of dry battery mix of the Lechanche-type and manganese alkaline type consisting of an alloy of CoTi composed of 60 - 40 atomic percent of titanium, about 0.5 to 3 atomic percent of molybdenum, the balance being cobalt and up to about 50% of the balance being Ni.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-07 | 1980-09-06 | 1981-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-07 | 1984-09-06 | 1985-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-07 | 1988-09-06 | 1989-03-08 | $7700.00 | Window Closed / Lapsed |