Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Underground boring and pipe installation










Image Number 4 for United States Patent #6109831.

A utility power unit (10) for underground drilling and pipe laying operations comprises a stationary frame portion (12), a movable frame portion (14) capable of performing sliding movement relative to the stationary frame portion (12) and hydraulic cylinders (44) between the stationary and the movable frame portions (12, 14) for effecting the relative movement. The movable frame portion (14) includes an attachment (36) for removably attaching a tool connecting member (38) thereto and a further attachment (40) for removably attaching a rotary drive unit (52) thereto. The invention also provides a method of directional boring along an intended underground path (62) comprising the steps of providing a machine pit (60) at a location along the intended path (62) and drilling a bore along the intended path (62) by means of directional drilling apparatus (10) which includes a stem (30) provided with a drill (68) at a forward end thereof. The bore is started from an inside wall (64) of the pit (60) and at a location beneath ground surface.








 
 
  Recently Added Patents
Method for playing digital media files with a digital media player using a plurality of playlists
Image processing apparatus and image processing method
Method, system and program for securing redundancy in parallel computing system
Mobile communication device and method for providing positioning information
Display apparatus
Antibodies to OX-2/CD200 and uses thereof
Link establishment in a wireless communication environment
  Randomly Featured Patents
Side-loading container chassis storage rack
Central heating boiler
Modular strain relief device for electrical connectors
Apparatus for bonding a chip using an insulating adhesive tape
Bi-directional shift register and display device using same
System for representing electronic files using a paper based medium
Longitudinal guide for a motor vehicle seat with two rails and guiding devices arranged between them
Mounting bracket arrangement for aligning optical system components
Method for forming hard particle wear surfaces
Compact galilean viewfinder