Resources Contact Us Home
Block wall

Image Number 11 for United States Patent #4825619.

A retaining wall is made from a plurality of blocks arranged in rows superimposed on each other and pinned together. Each block has a body with an exterior face and rearwardly diverging side walls joined to a neck. A head having outwardly directed ears is joined to the neck. The body has holes and pockets for pins that interlock overlapped blocks together. A finishing block having a flat top surface is used to construct the top layer of the wall. A geogrid tie-back sheet having slots is located between layers of blocks and anchored to the pins stabilizes the wall.

  Recently Added Patents
Additives for oil recovery from reservoirs
Microporous membranes and methods for producing and using such membranes
Error protection for pipeline resources
Display screen with an animated graphical user interface
Air-fuel ratio control apparatus for an internal combustion engine
Systems and methods for online search recirculation and query categorization
Apparatus and method for encoding/decoding signal
  Randomly Featured Patents
Microwave heating container
Geranium plant named `Ballurlitpi`
Sulphur containing derivatives
Method for controlling a refrigeration system
Combined bottle opener and stopper
Liquid crystal display apparatus and driving method therefor
Flexible level detection apparatus
Apparatus and method for loading and partially unloading a camera with a discrete film strip
Process for the preparation of cyclic diketones
Folding top mechanism for a convertible, rollover protection system, and a convertible