Paperboard tube concrete forms
Partially reusable swimming pool wall form
Particle analyzer and composite lens formed by integrally...
Pastry mould with movable rims
Patchless replacement refractory insert for base member (stool)
Patterns for determining the profile of an arch
Paving system
Pellet mold
Penetratable form with stiffback
Perfected horizontal formwork
Permeable liner having concrete setting retardant
Pie crust forming and trimming mold
Pilaster form
Pin support and mold for foaming and curing resin exterior over
Pipe mold having insert support means
Pipe seal assembly for poured concrete on-site waste disposal sy
Pipe sleeve
Pipe supporting element for use on form boards used in concrete
Pipeline built-in electric power generating set
Pivot assembly mold apparatus