Sacrificial insert for injection molding
Sacrificial plastic mold with electroplatable base
Safety key and locking means therefor for use with concrete wall
Safety lift lock
Safety lift lock with internal member
Safety lock for jump scaffolding
Safety mold lift lock
Sample mounting system
Satellite despin device
Scaffold for poured concrete walls and forms
Scaffold supporting waler bracket
Screed bar support stake and method
Sculpture mold
Sealed container filled with water for making ice and...
Sectional hot top
Sectional ingot mold
Sectional ingot mold
Sectional wall form system
See-through concrete form
Segmental formwork for round structures