Patent ID: 11872425
Assignee: MINIMAX VIKING RESEARCH & DEVELOPMENT GMBH
Field: Environmental technology (Chemistry)
Classification: CPC A  F | IPC A

Claim 19:
20. A method of providing a fire protection system comprising:
placing an annular seal member in an unloaded condition within an internal gasket chamber of a unitary tubular member formed along an internal surface extending along and circumscribed about a central axis, the gasket chamber being located between an internally straight tapered threaded surface and an internal stepless surface of the internal surface, the internally threaded surface being between the gasket chamber and a terminal outlet end of the tubular member, the internal stepless surface extending from the gasket chamber to a terminal inlet end of the tubular member in a welded connection to a pipe header of a network of pipes; and
placing the annular seal member in a loaded condition within the internal gasket chamber with a fire protection device frame having a tapered thread in threaded engagement with the internally threaded surface and fluid communication with the pipe header;
wherein placing the annular seal member in the loaded condition includes torquing the device by hand with a protective device disposed about the device.