Sift proof and tamper evident pouring spout
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United States of America Patent
Stats
-
Aug 29, 1995
Grant Date -
N/A
app pub date -
May 23, 1994
filing date -
May 23, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A substantially sift proof pouring spout is provided by cooperating interior and exterior pouring spout components formed by partial throughcuts, edges or lines of perforations. The exterior spout component is split to form an automatic supplemental side wing, includes an integral inward travel stop tab, and is releasably connected to a tamper evidence tab. The invention encompasses a single-piece flat blank for forming the spout and a carton with which it is integrated. The inward travel stop tab and tamper evidence tab are defined at least in part by the partial cuts and resultant delamination areas.
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