Moveable grass field

Details Moveable grass field Moveable grass field

1997-06-26

1998-05-05

Mai, Lanna

Static structures (e.g., buildings)

With stadium or auditorium feature

52409, 52480, 472 92, E04B 310

Patent

active

057460280

ABSTRACT:
A new moveable grass field for providing natural turf playfields for enclosed sports stadiums. The inventive device includes a suprastructure base secured to and spanning a system of wheels for movement in and out of a sports stadium. A layer of cement is disposed above the suprastructure base. A layer of rocks are disposed above the layer of cement. A layer of gravel is disposed above the layer of rocks. A layer of sand is disposed above the layer of gravel. A layer of soil is disposed above the layer of sand. A layer of sod is disposed above the layer of soil.

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