Tapping assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 16, 1996
Issued Date -
N/A
app pub date -
Apr 14, 1994
filing date -
Sep 30, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tapping assembly comprising a main valve for selectively opening and closing a valve passageway, a support for holding the main valve adjacent a unit to be tapped, a drill for piercing a wall of that unit with the drill including a housing and a cutting element. A coupler is provided with left-hand threads and right-hand threads for easily connecting and disconnecting the drill housing from the main valve, thereby allowing easy replacement of a drill bit. Vents are provided both upstream and downstream of the main valve for permitting controlled removal of the contents of the unit with the main valve closed and for permitting controlled removal of any contents of the unit from the coupler with the main valve closed.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 8 Citation Count
- B23K Class
- 5.96 % this patent is cited more than
- 29 Age