Patent ID: 9643206
Date: 2017-05-09
CPC Classifications: A46B,B05B,B05C,B05D,B29C,B29L,E21B,F16N

Claim:
1. A pipe doping system for applying pipe dope to external threads of a pin end member, the system comprising: a pump fluidly coupled to a reservoir and a dope manifold, the pump positioned to pump pipe dope from the reservoir to the dope manifold, the reservoir containing pipe dope; an ejector coupled to the dope manifold, the ejector positioned to supply a fixed volume of pipe dope from the dope manifold to a dope distribution line; a pipe dope applicator, the pipe dope applicator fluidly coupled to the dope distribution line positioned to deposit pipe dope on the external threads, the pipe dope applicator is located apart from the ejector at the opposite end of the dope distribution line, wherein the pipe dope applicator includes: an environmental compensation system, the environmental compensation system including at least one temperature compensator coupled to at least one of the pump, reservoir, dope manifold, ejector, dope distribution line, or pipe dope applicator; and a controller, the controller configured to control the ejector to dispense a controlled volume of pipe dope.