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US 11,534,640 B1Granted
Pipe fitting incorporating a spherical spin weld
AssigneeSpears Manufacturing Co.
InventorDouglas Swingley
Life of this patent
Estimating the term…
Abstract
A two-piece connection between a supply pipe from a source of water and a connection to a fire sprinkler with the connector having a first or rear section entirely above a ceiling and a second or front section connected to the first section with the connection entirely above a ceiling and the forward portion of second section connected to the fire sprinkler. The first connector section, located entirely above a ceiling, has a spherical male sidewall with a rounded leading edge and a rear portion of the second connector section has a spherical female interior surface.
Claims15
A pipe connector comprising:
- a first section including a first interior connecting chamber surrounded by a male spherical sidewall having a male rounded leading edge;
- a second section including a spherical female interior surface;
- a gasket at a location between the male rounded leading edge of the first section and the spherical female interior surface of the second section;
- and
- the male rounded leading edge of the first section spin welded to the spherical female interior wall of the second section.
2 more elements
Dependencies are inferred from the claim text.