| Patent Number |
Title Of Patent |
Date Issued |
| 7516772 |
Method of forming a product of metal-based composite material |
April 14, 2009 |
| A forming method wherein a billet (31, 66, 77, 87, 107, 128, 136, 144, 153, 77B, 77C) comprising a metal-based composite material (27) prepared by mixing an aluminum alloy (22) and a ceramic (15) is subjected to pressure forming to manufacture a formed article, which comprises carryi |
| 7258209 |
Brake drum and method for producing the same |
August 21, 2007 |
| A brake drum includes a ring-shaped drum body, and a friction member secured to the inner circumferential surface of the drum body. Because the drum body is formed of a lightweight Al alloy and the friction member is formed of an Al-base composite material, the brake drum can be reduced |
| 7216746 |
Brake drum and process for manufacturing the same |
May 15, 2007 |
| A brake drum has its strength elevated in its disk portion. The brake drum is formed from a composition having ceramics dispersed in a matrix. The disk portion has a high ceramic content and thereby a high strength. The brake drum has a disk portion and a cylindrical portion. The disk po |
| 7201209 |
Method and apparatus for casting aluminum by casting mold |
April 10, 2007 |
| An aluminum casting process using a casting mold in which after the cavity (25) is filled with an inert gas, magnesium is introduced into the cavity to have a magnesium layer (58a) deposited on the cavity wall. Then, nitrogen gas is introduced into the cavity to form magnesium nitride |
| 7040376 |
Method for envelopment casting |
May 9, 2006 |
| A cast-bonding process includes a magnesium coating step and a magnesium nitride-forming step. The magnesium-coating step is carried out by supplying gasified magnesium into a mold in which a cast-in insert formed from an aluminum alloy, or an aluminum-based composite material is set, |
| 6986379 |
Method and apparatus for casting aluminum by casting mold |
January 17, 2006 |
| An aluminum casting process using a casting mold in which after the cavity (25) is filled with an inert gas, magnesium is introduced in to the cavity to have a magnesium layer (58a) deposited on the cavity wall. Then, nitrogen gas is introduced into the cavity to form magnesium nitri |
| 6981303 |
Blank feeding method |
January 3, 2006 |
| A method of feeding a blank (31) by cutting a billet (11) for plastic working includes the steps of superimposing a plurality of annular members (15 to 18) having a coefficient of linear expansion smaller than that of the billet and an inside diameter slightly greater than the outsid |
| 6923242 |
Aluminum casting method |
August 2, 2005 |
| An aluminum casting method includes the step of applying in advance a mold release agent including magnesium to a mold surface. Thereafter, a nitrogen gas is injected into a cavity to cause reaction between the magnesium in the surface of the mold release agent and the nitrogen gas, |
| 6880681 |
Brake drum and method for producing the same |
April 19, 2005 |
| A brake drum includes a ring-shaped drum body (13), and a friction member (16) secured to the inner circumferential surface (18) of the drum body. Because the drum body is formed of a lightweight Al alloy and the friction member is formed of an Al-base composite material, the brake drum |
| 6871691 |
Apparatus for injection molding metallic materials |
March 29, 2005 |
| A method for injection molding a metallic material is disclosed in which an injecting material comprised of a half-solidified metallic material and a molten metallic material is injected into a cavity of a die from an injection cylinder through a gate thereof. A non-product portion remai |
| 6609286 |
Process for manufacturing a part of a metal matrix composite material |
August 26, 2003 |
| A part is manufactured from a composite material containing an aluminum alloy as a metal matrix. Blanks are prepared from a billet of the composite material, and worked on in a press, while they are held at a temperature ranging from the solidus temperature, Ta, of the aluminum alloy |
| 6505670 |
Method for injection molding metallic materials |
January 14, 2003 |
| A method for injection molding a metallic material is disclosed in which an injecting material comprised of a half-solidified metallic material and a molten metallic material is injected into a cavity of a die from an injection cylinder through a gate thereof. A non-product portion remai |
| 6303236 |
Method for manufacturing aluminum-based composite plate and composite back plate |
October 16, 2001 |
| A method for manufacturing an aluminum-based composite plate is disclosed. The method comprises the step of producing an aluminum-based composite billet. The billet production step includes reducing, by magnesium nitride, an oxide-based ceramic as a porous molded body. The reduced ox |
