| Patent Number |
Title Of Patent |
Date Issued |
| 4609031 |
System for sintering molds and for preparing cast products |
September 2, 1986 |
| A system for sintering molds and for preparing cast products by the use of the thus preformed molds is provided. The system is particularly suited for the production of cast articles made of an alloy, such as magnesium alloys, which is susceptible to cracking unless the cast mass is slow |
| 4601870 |
Injection molding process |
July 22, 1986 |
| An injection molding process for molding an article having accurate dimensions without sink marks includes the step of feeding high pressure air into the core portion of a shell or solid molded mass formed by the preceding injection molding step. Preferably, the wax material is injected |
| 4579319 |
Combined sintering-annealing furnace |
April 1, 1986 |
| A combination sintering-annealing furnace is provided, wherein the sintering furnace section and the annealing furnace section are arranged adjacent with each other and separated by a partition wall. A plurality of ventilation windows is provided through the partition wall to allow the |
| 4571270 |
Process and autoclave for dewaxing mold for lost wax casting |
February 18, 1986 |
| A process for dewaxing a mold for use in lost wax casting is proposed, wherein the mold is loaded on a pallet which is placed and then securely held on a carrier which is rotatably assembled in a dewaxing tank. The mold is inverted to be ready for dewaxing within the tank and then re |
| 4569385 |
System for the preparation of ceramic shell molds |
February 11, 1986 |
| An improved system for the preparation of ceramic shell molds comprises a rotary disk which is mounted for rotating in a substantially horizontal plane. A plurality of wax master mounting bars are pivotally carried by the rotary disk to move around the periphery of the rotary disk. The |
