B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 7/02 (2006.01) B22C 9/02 (2006.01) B22C 9/10 (2006.01) B22C 9/20 (2006.01)
Patent
CA 2161146
This invention relates to an assembly of foundry shapes and a process for making such assemblies of foundry shapes by contacting the foundry shapes with a substrate having a pressure sensitive adhesive on both sides of the substrate. The temperature of such molten metal for non ferrous metals is typically from 600 °C to 1000 °C while the temperature of ferrous metals is from 1200 °C to 1600 °C.One of the advantages of this process is that excess adhesive is not squeezed from between the foundry shapes when they are brought into contact with each other. Excess adhesive results in casting defects such as parosity and burn-on.
Fu Jiang
Tordoff William L.
Ashland Oil Inc.
Gowling Lafleur Henderson Llp
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