Patent Number: 6,253,450

Title: Line charge fabrication and procedures

Abstract: An assembly line and procedure fabricate more reliable explosive line charges by reducing many of the human error factors affecting assembly. The assembly line and procedures maintain proper grenade spacing, eliminate twisting of nylon lines and detonating cord which degrade performance, provide for proper clamping of lines and connector elements, provide for slack management of the explosive detonating cord and the lines, control the tolerances at the detonating cord to connector interfaces, and provide for the end of line packing of the explosive line charge. The assembly line and procedures additionally are configured to allow for the rapid inspection and adjustment of: length of lines, length of detonating cord, spacing of grenades, amount of twist in the lines and detonating cord, pressure feed to the pneumatic clamping apparatus, the clamping forces exerted on the clamped lines/clamps/grenades, the alignment of the clamps and buckles with the grenades, the alignment and gap condition of the detonating cords and boosters with respect to the connector elements, and the spacing and number of grenades in the line charge. The assembly line and procedures also eliminate the hazards of explosive spark and static electricity.

Inventors: Woodall; Robert (Lynn Haven, FL), Garcia; Felipe (Panama City, FL), Irizarry; Gilberto (Panama City Beach, FL)

Assignee: The United States of America as represented by the Secretary of the Navy

International Classification: B63G 7/00 (20060101); B63G 7/02 (20060101); F41H 11/00 (20060101); F42B 3/00 (20060101); F41H 11/12 (20060101); F41H 11/14 (20060101); B23P 021/00 ()

Expiration Date: 07/03/2018