131521 ⎘
Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
Sub-classes:Concrete structure forming system
#2Method and Device for Pre-Casting Conduit Holes in Building Foundations
#3CONNECTING DEVICE AND FORMWORK ASSEMBLY FOR CONNECTING ASSEMBLIES OF PANELS
#4Bracket for positioning and protecting pipes in concrete
#5BUILDING SYSTEMS, PANEL SYSTEMS, AND FORMWORK SYSTEMS, PANELS AND FORMWORK FOR BUILDING & METHODS OF BUILDING USING PANELS AND FORMWORK
#6Method and device for pre-casting conduit holes in building foundations
#7Sleeve position inspecting device and sleeve position inspecting method
#8Building systems, panel systems, and formwork systems, panels and formwork for building and methods of building using panels and formwork
#9Hole cover
#10METHOD OF CONSTRUCTING A REINFORCED CONCRETE DWELLING
#11Basement wall and floor assembly
#12Method for feed through construction
#13Modular system for assembling a transpiring, disposable heat-insulation shuttering mould / formwork used for surface casting
#14Apparatus and method for feed through construction
#15Floor through-passage molding apparatus
#16Refinement to the construction systems for structures in reinforced concrete or some other material of high-precision intergral modular forms
#17Lifting insert void extractor
#18Frangible concrete insert clip
#19Block out chair system used to make a block out or a pass-through in a concrete slab
#20Hardware mountable blockout apparatus and structural member integrating the same