Electric heating – Heating devices – With heating unit structure
Reexamination Certificate
2007-10-16
2007-10-16
Fuqua, Shawntina (Department: 3742)
Electric heating
Heating devices
With heating unit structure
C219S543000, C219S544000, C219S549000, C219S553000, C439S754000, C439S886000, C439S887000, C439S877000, C439S878000, C439S879000, C174S08400S, C174S090000, C029S860000, C029S879000
Reexamination Certificate
active
11429797
ABSTRACT:
In order to make it possible to produce a secure and permanent contact connection between an electrical conductor made from a soft material, in particular an aluminum conductor, and a contact element made from a harder material, the conductor is encapsulated at least partially in a contact region by an electrically conductive material. The electrically conductive material is harder than the soft material of the conductor. The electrically conductive material is applied with the aid of a thermal spraying process, with the result that there is a pressure-free electrical connection between the soft material and the sprayed-on material. Electrical contact is made with the contact element indirectly via the sprayed-on material. The thermal encapsulation by the spraying in the contact region makes it possible for a reliable electrical contact to be made even in the case of soft materials having a tendency towards cold flow.
REFERENCES:
patent: 3912358 (1975-10-01), Miller et al.
patent: 4908943 (1990-03-01), Harel et al.
patent: 0 018 863 (1980-11-01), None
patent: 0 966 061 (1999-12-01), None
patent: 755272 (1956-08-01), None
Fuqua Shawntina
Greenberg Laurence A.
Leoni Aktiengesellschaft
Locher Ralph E.
Stemer Werner H.
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