Special receptacle or package – With pallet feature – Knockdown or collapsible type
Patent
1989-11-17
1990-09-04
Fidei, David T.
Special receptacle or package
With pallet feature
Knockdown or collapsible type
206601, 222 81, 222 83, 220277, B65D 326
Patent
active
049537067
ABSTRACT:
A container opening device for use in combination with a conventional container having a bottom wall flexible walls a extending from said bottom wall to an upper opening, and a closure cap threadably engaged about the container opening. A closure film or seal member is provided to form a secondary seal about the periphery of the opening. A seal perforation blade is carried on an angular rod which is loaded internally of the container, and wherein the user, by pressing the walls of the container inwardly, causes the seal perforation blade and rod to extend outwardly and puncture the secondary seal, thereby making it possible to remove the contents on a safe, expedient basis, and normally without making physical contact with the contents. Preferably, angular rod carrying the the seal perforation blade includes a pair of rod members pivotally joined together at an apex, with the angular relationship changing upon inward deflection of the container walls so that one of the rod members will move outwardly of the container and thus permit a blade or the like to perforate the secondary seal.
REFERENCES:
patent: 2063525 (1936-12-01), Schickel
patent: 2911129 (1959-11-01), Dienner
patent: 3276632 (1966-10-01), Stanzel
patent: 3397820 (1968-08-01), Smith
patent: 3730336 (1973-05-01), Feldman
patent: 4103772 (1978-08-01), Wiegner
patent: 4657159 (1987-04-01), Grant
patent: 4836370 (1989-06-01), Bosshard
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