Dispensing – With lock or fastening seal – Single-use fastening seal
Reexamination Certificate
1998-05-11
2001-01-09
Huson, Gregory L. (Department: 3754)
Dispensing
With lock or fastening seal
Single-use fastening seal
C222S546000
Reexamination Certificate
active
06170710
ABSTRACT:
The invention relates to a closure consisting of a body and a lid having a recessed grip for opening a closure. The recessed grip allows the lid to be gripped from below, to be lifted of the body and thus the opening of the closure.
Closures having recessed grips for opening are already known from the prior art. These recessed grips are either arranged as recesses under the lid in the body of the closure or in the lid of the closure. It is also known to disengage a locking between a lid and a body by elastically depressing a body, wherein the body returns to its original position.
In contrast to that, it is an object of the invention to provide a closure having a recessed grip for opening, which ensures an easy lifting of the lid from the closure, and which preferably at the same time renders the closure tamper proof by indicating that the closure is opened for the first time.
In achieving the object, the invention is based on the following basic ideas.
Part of the closure body can be depressed radially and fixed or locked in the depressed state. In this way a recessed grip is formed under the closure lid allowing an easy lifting of the lid. The lid can be opened only after depression of the part.
In a first embodiment of the invention, the depressed part permanently and undetachably engages with the closure body, thus indicating that the closure is opened for the first time.
In a further embodiment of the invention, prior to the first opening an indicator plate which preferably partly surrounds the outer surface of the closure lid is provided on the depressible part. When depressing the part the indicator plate breaks away and it is thus additionally indicated that the closure is opened for the first time.
In a further embodiment of the invention, the lock-in position for the depressible part is located in the lid and, prior to the first opening, an indicator plate is, as already described, provided on the depressible part. When depressing the part, the indicator plate breaks away and the depressible part engages with the closure lid. When opening the lid the depressible part returns to its original position, so that it is again flush with the lid when the closure is closed. Repeatedly opening the closure by lifting the lid is only possible by repeatedly depressing the depressible part. In this way the closure is rendered child proof, wherein the indicator plate, however, guarantees that the closure is tamper proof.
The advantages of the invention reside in an easy handling and an improved tamper indication of the closure.
REFERENCES:
patent: 4821898 (1989-04-01), Smalley
patent: 4940167 (1990-07-01), Fillmore et al.
patent: 0 379 775 (1990-01-01), None
patent: 0 379 775 A1 (1990-08-01), None
patent: 2 628 716 (1988-03-01), None
patent: 2 628 716 (1989-09-01), None
patent: 1 442 216 (1976-07-01), None
Huson Gregory L.
Woodcock Washburn Kurtz Mackiewicz & Norris LLP
Zeller Plastik GmbH
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