Multiple-thread screw thread arrangement with diverse thread turn runout arrangement
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United States of America Patent
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-
Jul 9, 2002
Issued Date -
N/A
app pub date -
Dec 1, 1999
filing date -
Apr 29, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a screw thread arrangement for the angular positioning, in the circumferential direction, of a first component having a multiple-thread pattern screw thread relative to a second component having a complementary multiple-thread screw thread pattern, in particular for a threaded closure cap relative to a container member, wherein a first angular spacing of adjacent runouts when viewed in a circumferential direction differs from angular spacing of adjacent runouts . As an alternative the dimensions of at least one thread turn of each multiple-thread screw thread pattern is different from those of a second thread turn. By such measures, when configurations of the components are rotationally asymmetrical, the two parts are always positively brought into alignment when the one component has been firmly screwed onto the other.
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