Blasting connector system and method of use

• US 5,375,524 A
• Filed: 11/16/1993
• Issued: 12/27/1994
• Est. Priority Date: 11/16/1993
• Status: Expired due to Fees

• Current Assignee: Larry J. Larson
• Original Assignee: Larry J. Larson
• Inventors: Larson, Larry J.
• Primary Examiner(s): Pihulic, Daniel T.
• Application Number:
  US08/152,359
• Time in Patent Office: 406 Days
• Field of Search: 102/217, 102/206, 102/200, 102/202.9, 361/248, 361/249
• US Class Current: 102/217
• CPC Class Codes: F42D 1/045 Arrangements for electric ignition dynamo-electric generators H02K

Abstract

A Blasting Connector System (10) for use in a conventional blasting environment, wherein the system comprises a plurality of structurally similar and compatible components which include a Cap Connector (20), a Male Jumper (30), a Female Jumper (40), a Series Connecting Cable (50), a Parallel Connecting Cable (60), a Cap Connector Assembly (70) and a Test Connector (80) which are incorporated in various combinations and sequences to form a blasting circuit between the explosive charges (100) and a blasting machine (110).

Claims

1. A blasting system including a plurality of cooperating structural components that are electrically and mechanically compatible with one another and which are installed in an electrical wiring circuit which extends between the blasting caps in the explosive charges and a blasting machine in a conventional blasting environment, wherein the structural components comprise:

a male jumper which includes a generally cylindrical male jumper body having a lower end provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion,

a female jumper which includes a generally cylindrical female jumper body having an upper end provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets;

wherein, the upper end of the female jumper body is dimensioned to be received in the hollow skirt portion of the male jumper body and, wherein the opposed ears of the female, jumper body are dimensioned to be received in the contoured slots in the hollow skirt portion of the male jumper body; and

,

a cap connector which includes a generally cylindrical cap connector body having an upper end and a lower end;

wherein the lower end is provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion;

the upper end is provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets; and

wherein one of the pins and one of the sockets of the cap connector body are electrically connected to one another and the other pin and socket of the cap connector are electrically connected to one of said blasting caps.

2. A blasting system as in claim 1, wherein the pair of pins in said male jumper body are electrically connected to one another.

3. A blasting system as in claim 1, wherein the pair of sockets in said female jumper body are electrically connected to one another.

4. A blasting system as in claim 1, further including a parallel connecting cable which comprises:

a duplex wiring cable having opposite ends, wherein each end is provided with a parallel connector which includes a cap connector body, wherein one of the pins and one of the sockets of the cap connector body are electrically connected to one another by a first electrical connection, the other pin and socket of the cap connector body are electrically connected to one another by a second electrical connection, and the first and second electrical connections are independently electrically connected to said duplex wiring cable.

5. A method of forming a series electrical circuit wiring of circuit elements, wherein each circuit element is electrically connected to a cap connector which includes a generally cylindrical cap connector body having an upper end and a lower end;

wherein the lower end is provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion, the upper end is provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets; and

, wherein one of the pins and one of the sockets of the cap connector body are electrically connected to one another and the other pin and socket of the cap connector body are electrically connected to one of said circuit elements, comprising the steps;

a) operatively engaging the upper and lower end of each cap connector body, respectively, to the opposite ends of a series connecting cable, wherein each series connecting cable comprises;

a duplex wiring cable having opposite ends, wherein one end of the duplex wiring cable is provided with a series male connector which includes a male jumper body having a lower end provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion, wherein the electrical pins of the male jumper body are electrically connected to said one end of the duplex wiring cable, and wherein the other end of the duplex wiring cable is provided with a series female connector which includes a female jumper body, having an upper end provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets;

wherein the upper end of the female jumper body is dimensioned to be received in the hollow skirt portion of the male jumper body and, wherein the opposed ears of the female jumper body are dimensioned to be received in the contoured slots in the hollow skirt portion of the male jumper body, wherein the electrical sockets of the female jumper body are electrically connected to said other end of the duplex wiring cable.

6. A method of connecting the series electrical circuit wiring of circuit elements as defined in the method of claim 5 into a parallel-series electrical circuit wiring of circuit elements by employing a plurality of parallel connecting cables, wherein each parallel connecting cable comprises:

a duplex wiring cable having opposite ends and each end is provided with a parallel connector which includes a cap connector body, wherein one of the pins and one of the sockets of the cap connector body are electrically connected to one another by a first electrical connection, the other pin and socket of the cap connector body are electrically connected to one another by a second electrical connection, and the first and second electrical connections are independently electrically connected to said duplex wiring cable, comprising the steps of;

b) inserting the male mating interface of one of the parallel connectors on one end of the duplex wiring cable of a first parallel connecting cable into the female mating interface of the cap connector on a first series electrical wiring circuit;

c) inserting the male mating interface of the other of the parallel connectors on the other end of the duplex wiring cable of said first parallel connecting cable into the female mating interface of the cap connector on a second series electrical wiring circuit;

d) inserting the male mating interface of one of the parallel connectors on one end of the duplex wiring cable of a second parallel connecting cable into the female mating interface of said other of the parallel connectors on the other end of the duplex wiring cable of said first parallel connecting cable; and

,

e) inserting the male mating interface of the other of the parallel connectors on the other end of the duplex wiring cable of said second parallel connecting cable into the female mating interface of the cap connector on a third series electrical wiring circuit.

7. A blasting system including a plurality of cooperating structural components that are electrically and mechanically compatible with one another and which are installed in an electrical wiring circuit which extends between the blasting caps in the explosive charges and a blasting machine in a conventional blasting environment, wherein the structural components comprise:

a male jumper which includes a generally cylindrical male jumper body having a lower end provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion;

a female jumper which includes a generally cylindrical female jumper body having an upper end provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets;

wherein, the upper end of the female jumper body is dimensioned to be received in the hollow skirt portion of the male jumper body and, wherein the opposed ears of the female jumper body are dimensioned to be received in the contoured slots in the hollow skirt portion of the male jumper body;

a cap connector which includes a generally cylindrical cap connector body having an upper end and a lower end;

wherein the lower end is provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion; and

, wherein the upper end is provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets; and

,

a test connector which comprises;

an elongated generally cylindrical connector body having an upper end provided with a pair of female sockets and a lower end provided with a pair of downward depending electrical pins.

8. A blasting system as in claim 7, wherein each one of the female sockets in the test connector body are electrically connected to a respective one of the electrical pins in the test connector body.

9. A blasting system as in claim 8, wherein each electrically connected pin and socket in the test connector body are adapted to be electrically connected to a galvanometer.

10. A blasting system including a plurality of cooperating structural components that are electrically and mechanically compatible with one another and which are installed in an electrical wiring circuit which extends between the blasting caps in the explosive charges and a blasting machine in a conventional blasting environment, wherein the structural components comprise:

a male jumper which includes a generally cylindrical male jumper body having a lower end provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion.

a female jumper which includes a generally cylindrical female jumper body having an upper end provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets;

wherein, the upper end of the female jumper body is dimensioned to be received in the hollow skirt portion of the male jumper body and, wherein the opposed ears of the female jumper body are dimensioned to be received in the contoured slots in the hollow skirt portion of the male jumper body;

a cap connector which includes a generally cylindrical cap connector body having an upper end and a lower end;

wherein the lower end is provided with a hollow skirt portion having a pair of opposed contoured slots and a pair of electrical pins which project downward from the body and into the skirt portion; and

, wherein the upper end is provided with a pair of sockets and a pair of outwardly projecting opposed ears disposed proximate to said sockets; and

,

a series connecting cable which comprises;

a duplex wiring cable having opposite ends;

wherein, one end of the duplex wiring cable is provided with a series male connector which includes a male jumper body, wherein the electrical pins of the male jumper body are electrically connected to said one end of the duplex wiring cable, and wherein the other end of the duplex wiring cable is provided with a series female connector which includes a female jumper body, wherein the electrical sockets of the female jumper body are electrically connected to said other end of the duplex wiring cable.