Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnet
AssigneeSumitomo Special Metals Co., Ltd.
InventorsAkiyasu Oota, Tsuyoshi Wada, Katsumi Okayama
Life of this patent
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Abstract
A case according to the present invention is used in a sintering process to produce a rare-earth magnet. The case includes: a body with an opening; a door for opening or closing the opening of the body; and supporting rods for horizontally sliding a sintering plate, on which green compacts of rare-earth magnetic alloy powder are placed. The supporting rods are secured inside the body. At least the body and the door are made of molybdenum.
Claims11
A case for use in a sintering process to produce a rare-earth magnet, the case comprising:
- a body with an opening;
- a door for opening or closing the opening of the body;
- and
- a plurality of reinforcing members that are attached to the body to increase the strength of the body, wherein each said reinforcing member includes:
- a first part in contact with the body;
- and
- a second part protruding outward from the first part,
- wherein the body comprises body plates each of which have a thickness of 1.0 to 2.0 and
- wherein the reinforcing members are made of molybdenum.
A case for use in a sintering process to produce a rare-earth magnet, the case comprising:
- a body with an opening;
- a door for opening or closing the opening of the body;
- and
- a plurality of reinforcing members that are attached to the outside of the body to increase the strength of the body, wherein each said reinforcing member has a U cross section and includes:
- a first part in contact with the outside of the body;
- and
- a second part protruding outward from the first part.
A case for use in a sintering process to produce a rare-earth magnet, the case comprising:
- a body with an opening;
- a door for opening or closing the opening of the body;
- and
- a plurality of reinforcing members that are attached to the outside of the body to increase the strength of the body, wherein each said reinforcing member has an L cross section and includes:
- a first part in contact with the outside of the body;
- and
- a second part protruding outward from the first part.
Dependencies are inferred from the claim text.