Screw thread for thin-walled tubing
AssigneeScientific Machine and Supply Company
InventorEdwin Phillips
Life of this patent
Estimating the term…
Abstract
A screw thread for thin-walled tubing tubing having an outside diameter and a wall thickness less than about one twenty-sixth said diameter, said thread having a depth less than half said wall thickness, a pressure angle below 10.degree., and a thread pitch at least ten times the thread depth.
Claims6
A screw thread for thin-walled tubing, for connection to a complementary thread on a mating article, said tubing having an outside diameter and a wall thickness less than about one twenty-sixth said outside diameter, and said tubing thread having a thread depth less than half said wall thickness, a pressure angle below 10.degree., and a thread pitch at least ten times said thread depth.
Dependencies are inferred from the claim text.