Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Shaped charge loading tube for perforating gun










Image Number 7 for United States Patent #7159657.

The loading tube comprises cups forming cup cavities for enclosing an explosive charge within each of the cups. The loading tube has ridges and valleys providing longitudinal and lateral strength to the loading tube. The loading tube is constructed of a formed material such as paper pulp, high-density polystyrene, plastic or sheet metal.








 
 
  Recently Added Patents
Quinoid thiophene organic photoelectric material, preparation method thereof and application thereof
Method of transmitting and receiving a paging message in a mobile communication system
Plastic floor-wall transition methods, materials, and apparatus
Insulin derivative
Apparatus and method for categorizing services using canonical service descriptions
System, method, and computer program product for identifying unwanted data communicated via a session initiation protocol
Fabrication method of semiconductor device and fabrication method of dynamic threshold transistor
  Randomly Featured Patents
Organic optoelectronic device coated with a multilayer encapsulation structure and a method for encapsulating said device
Single-chain antibody fragments for transferring substances into cells
Active material for positive electrode used in lithium secondary battery and method of manufacturing same
Hearing aid whose components are mounted in a hearing aid housing
DNA sequence encoding metallocarboxypeptidase inhibitor protein
Method for manufacturing a shielded pole magnetic head for perpendicular recording
Transfer of call information
Radiopharmaceutical shipping pig with encapsulated lead shielding
Address translation apparatus
Apparatus for conveying a solid or liquid material, especially for charging a shaft furnace