Central sealing pin cap
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 26, 1996
Grant Date -
N/A
app pub date -
Jan 4, 1994
filing date -
May 4, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotatable central sealing pin cap having a stationary part and a detachable pouring screw cap, each with engagable threads, an axial stop and a twist stop. A plurality of pre-assembly positions or intermediate positions can be defined. A twist stop is provided that limits rotational motion of the detachable pouring screw cap with respect to the stationary part beyond the completely open and the completely closed positions. At the same time, the detachable pouring screw cap is sealed to the stationary part to prevent an undesired backflow into the threaded region.
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