Pipeline Cleaner (Patent No: 618357)

Inventor: Buie, John C.

Location: Edmonton

Comments: N/A

Description: The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1. A device of the class described comprising a hollow cylindrical casing having a pair of orifices in its cylindrical wall, the casing being secured to a fluid pressure pipe line, an apertured closure member for the casing, a cylinder operatively connected to the casing, an injector reciprocally mounted in the cylinder and formed with a closure member co-acting with the apertured closure of the casing, the injector being designed in normal position to receive a pig ball, manually controlled means for moving the injector into the casing and transversely across the pipe line to deliver the pig ball to the pipe line, and means for retracting the injector to a normal position and close the apertured closure member of the casing when the manually controlled means are released.
2. The device claimed in claim 1 in which the injector is provided intermediate of its length with a cage to receive the pig ball, and the means for retracting the injector is automatic.
3. A device of the class described comprising a hollow casing formed with a valve seat and adapted to be secured to a fluid pressure pipe line, a cylinder connected to the casing, an injector reciprocally mounted in the cylinder, a valve carried by the injector and co-acting with the valve seat, a magazine for pig balls attached to the cylinder and designed to deliver a pig ball to the injector when in normal retracted position, manually operated means for simultaneously opening the valve and moving the injector into the casing and transversely across the pipe line to deliver the pig ball to the pipe line, and means for automatically returning the injector to a normal position when the manually operated means are released.
4. The device claimed in claim 3 in which the means for automatically returning the injector to its normal position is a tension spring.
5. A device of the class described comprising a casing adapted to be incorporated in a fluid pressure pipe line, a chamber in the casing lying beyond the confines of the pipe line, a cylinder connected with the casing, an injector reciprocally mounted in the cylinder and designed in a retracted position to receive a pig ball, a valve carried by the injector co-acting with a valve seat in the wall of the casing, manually controlled means for moving the injector into the casing and transversely across the pipe line to deliver the pig ball into the pipe line with the valve extending into the chamber, and means for returning the injector to a normal position and simultaneously engaging the valve with the valve seat when the manually controlled means are released.
6. A device of the class described comprising a casing adapted to be incorporated in a fluid pressure pipe line, a cylinder connected to the casing, an injector reciprocally mounted in the cylinder, a magazine for pig balls angularly disposed to the cylinder and operatively connected therewith, resilient means adapted to deliver a pig ball to the injector when the injector is in normal retracted position, manually operated means for projecting the injector into the casing and transversely across the pipe line to deliver the pig ball to the pipe line, resilient means for automatically returning the injector to a normal retracted position when the manually operated means are released, and manually operated means for equalizing the pressure in the cylinder with the pressure in the pipe line.