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US 8,894,336 B1Granted
Self-tapping and sealing replacement plug
OwnerPerry McThenneyinventor
Life of this patent
Estimating the term…
Abstract
A self-tapping and sealing replacement plug for inserting into a circular opening which has a damaged thread, and sealing itself thereon, which has a set of teeth, which teeth have sharp edges for cutting a thread. The plug is sealed on the circular opening by an O-ring, which O-ring is held in a notch between the teeth and the bottom surface of the cap of the plug. The edges of the teeth have leading edges indented towards the center of the plug for facilitating cutting.
Claims21
A self-tapping and sealing replacement plug comprising:
- a) a plug;
- and
- b) an O-ring;
- wherein said plug comprises:
- c) a plurality of teeth;
- and
- d) a cap;
- wherein said cap has:
- e) a top surface;
- and
- f) a bottom surface;
- wherein said teeth come into contact with said bottom surface of said cap;
- wherein said edges of said teeth are notched away before coming into contact with said bottom surface of said cap
- wherein said notches of said edges correspond with one another so as to form part of a channel along the tops of said teeth;
- and
- wherein said bottom surface of said cap forms the remainder of said channel,
- wherein said plug is for sealing a circular opening;
- wherein said O-ring is for providing a fluid-tight seal when said plug seals the circular opening;
- wherein said cap provides said sealing of the circular opening;
- and
- wherein said set of teeth are for self-tapping of a thread in said circular opening.
18 more elements
A self-tapping and sealing replacement plug, comprising:
- a) a plug;
- and
- b) an O-ring;
- wherein said plug comprises:
- c) a plurality of teeth;
- and
- d) a cap;
- wherein said plug is for sealing a circular opening;
- wherein said O-ring is for providing a fluid-tight seal when said plug seals the circular opening;
- wherein said cap provides said sealing of the circular opening;
- wherein said set of teeth are for self-tapping of a thread in said circular opening;
- and
- wherein all said teeth depend a same distance as each other from said cap.
10 more elements
Dependencies are inferred from the claim text.