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US 12,109,745 B2Granted
Insert sintered part and manufacturing method for same
AssigneeDiamet Corporation
InventorsShinichi Takezoe, Tsuneo Maruyama, Hideo Sakai
Life of this patent
Estimating the term…
Abstract
By using a forming die having a fixed die and a movable die moving along a parting surface on the fixed die and by moving the movable die along the parting surface, to press and hold a sintered part between the movable die and the fixed die, to form a cavity around the sintered part except parts which abut on the fixed die and the movable die by the forming die, and to fill the cavity with melted material which becomes an exterior part, so that the sintered part and the exterior part are integrated by insert molding.
Claims11
An insert sintered part comprising:
- a sintered part having a first end part and a second end part;
- and
- an exterior part which is formed integrally with an outer peripheral part of the sintered part, wherein
- the sintered part is a sintered bearing,
- the exterior part is formed of resin or metal,
- a parting line is provided on a ridge line intersecting an end surface of the exterior part which is positioned at one end part side of at least either one of the first end part and the second end part and an outer peripheral surface of the exterior part, and
- the resin or the metal leaks out in an axial direction of the sintered bearing to form the parting line.
4 more elements
An insert sintered part comprising:
- a sintered part having a first end part, a second end part and a large-diameter part;
- and
- an exterior part which is formed integrally with an outer peripheral part of the sintered part, wherein
- the first end part has an outer-inclined surface whose diameter gradually increases in an axial direction of the sintered part toward the large-diameter part, said outer-inclined surface being partially exposed, and
- a parting line is provided on a ridge line intersecting an end surface of the exterior part which is positioned at one end part side of the first end part and an outer peripheral surface of the exterior part.
2 more elements
Dependencies are inferred from the claim text.