Vacuum countergravity casting apparatus and method
Vacuum forming or reduced-pressure moulding
Vacuum lift foam filled casting system
Vacuum-forming procedure in metal casting
Vaporization apparatus and method for producing curing gas
Variable-permeability pattern coating for lost foam casting
Variable-permeability, two-layer pattern coating for lost foam c
Vented casting molds and process of making the same
Vibration welding of expanded bead polystyrene
Vibratory method for packing foundry sand into a pattern prior t