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
Image forming apparatus to automatically select a communication condition
Terminal device, system and computer readable medium
Vehicle location information-based abnormal driving determination and warning system
Systems, methods, and devices for selling transaction instruments via web-based tool
System and method for predicting remaining useful life of device components
Key management using quasi out of band authentication architecture
Liquid crystal display backlight control
  Randomly Featured Patents
Digital video camera with binning or skipping correction
Circulation passage structure for a ball screw
Methods and apparatuses for managing resources within a virtual room
Prosthetic band
Vane platform sealing and retention means
Air-sampling apparatus with easy walk-in access
Gate drive latching circuit for an auxiliary resonant commutation circuit
Anti-reflection film and microscope having optical element with the same anti-reflection film applied thereto
Transparent conductive thin film, process for producing the same, sintered target for producing the same, and transparent, electroconductive substrate for display panel, and organic electrolum
Door swinging device for automatically swinging doors