Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Apparatus for burying pipe under water










Image Number 2 for United States Patent #4844658.

A sled device for burying a pipe within the ground under water. The sled is arranged to be pulled over the ground and includes a blade adjustably mounted within a tower in the sled. The blade is arranged to cut a furrow in the ground as the sled is pulled thereacross and to pull a pipe, which is connected to the lower end of the blade, into the furrow. A mandrel assembly, including a cylindrical member located in front of the leading edge of the pipe is tethered to the blade to enlarge the diameter of the furrow as it is cut so that the pipe can be readily pulled therethrough. The mandrel also protects the pipe from impact by buried obstacles. The mandrel assembly is releasably secured to the lower end of the blade by a releasable means including a crank assembly.








 
 
  Recently Added Patents
Semiconductor device and method for fabricating the same
Image-monitoring method for electroporation treatment and as associated image-monitoring appliance
Power supply system for motor vehicle
System and method for providing radio communication in a land mobile radio system
Biomedical electro-stimulator
Information processing apparatus and update information obtainment method
Dynamic report mapping apparatus to physical data source when creating report definitions for information technology service management reporting for peruse of report definition transparency a
  Randomly Featured Patents
Wipe dry improvement of non-woven, dry-formed webs
Process for producing an ethyl acetate solvent and co-production of ethanol
Light fixture
Alignment guide
Write data mask method and system
Method for preventing renal papillary necrosis with prostaglandins
Method for inducing thrombosis in blood vessels
Coordinate measuring instrument
Zero and one detection chain for a carry select adder
Artificial Christmas tree with foldable branching and method of making same