B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 1/00 (2006.01) B22F 3/22 (2006.01) B22F 5/00 (2006.01)
Patent
CA 2379507
A process for molding flat tableware from powders and molding compositions therefor are disclosed. Parts produced by this process are formed near net shape without the need for machining or other finishing operations. The process comprises forming a mixture containing a metal powder, a gel-forming material and an aqueous gel-forming material solvent, and molding the mixture in an injection molding machine under conditions of temperature and pressure to produce a self-supporting flat tableware article.
La présente invention concerne un procédé pour mouler des articles de table plats à partir de poudres, ainsi que les compositions à mouler utilisées à cet effet. Les pièces produites selon ce procédé sont formées avec une grande précision dimensionnelle, ce qui évite l'usinage ou d'autres opérations de finition. Ledit procédé consiste à former un mélange contenant une poudre métallique, une substance gélifiante et un solvant aqueux de substance gélifiante, à mouler ce mélange dans une machine à injecter, dans des conditions de température et de pression, afin de produire un article de table plat autoportant.
Schoonover James
Sesny Steve
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
Rutgers The State University Of New Jersey
LandOfFree
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