Bottles and jars – Closures – Including visual indicia
Patent
1984-11-09
1986-04-01
Norton, Donald F.
Bottles and jars
Closures
Including visual indicia
215232, B65D 5100
Patent
active
045792402
ABSTRACT:
A tamper indicating cover has at least a portion of the top being translucent or transparent and a seal adhered to the cover and container in such a manner that relative rotation between the cover and container ruptures the seal and provides a visible indication that the container has been opened.
REFERENCES:
patent: 2168594 (1939-08-01), Von Till
patent: 2939597 (1960-06-01), Greene
patent: 4171084 (1979-10-01), Smith
patent: 4501371 (1985-02-01), Smalley
Minnesota Mining and Manufacturing Company
Norton Donald F.
Sell Donald M.
Smith James A.
Weinstein David L.
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