Resources Contact Us Home
Pneumatic rock-boring device and method for starting such a device

Image Number 3 for United States Patent #7093671.

The invention relates to a method for horizontal ground-boring, in particular for rock-boring, by a rotating and hammering driven ground-boring device, whereby the device is alternately or simultaneously supplied with compressed air and drilling medium and the compressed air and drilling medium are supplied through a channel.

  Recently Added Patents
Systems and methods for cryopreservation of cells
Low cost mesh network capability
Selenium/group 3A ink and methods of making and using same
Maltol ether processes and intermediates
Enhancing user experiences using aggregated device usage data
Microfluidic system incorporating a metal impregnated nanoporous material in a microfluidic pathway thereof
  Randomly Featured Patents
Wheeled height-adjustable rehabilitation chair
Speaker box
Horse shoes
Reducing polishing pad deformation
Liquid discharge head, recovery method and manufacturing method for liquid discharge head, and liquid discharge apparatus using liquid discharge head
Cooling and filtering unit for hydraulic drive fluid
Method of detecting zombie breakpoints
Infrared camouflaging system
Grounding connector
Tool for removing sleeves from cylinders