Cutting – Processes
Reexamination Certificate
1999-07-08
2001-07-24
Payer, Hwei-Slu (Department: 3724)
Cutting
Processes
C030S002000, C030S123000, C007S156000, C007S158000, C222S080000, C222S103000
Reexamination Certificate
active
06263772
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a device for effecting the opening of sealed bag-like flexible packets and for dispensing the pourable contents thereof.
Sealed bag-like, flexible packets containing pourable substances are widely used. Such packets may contain comestible substances, such as ketchup, mustard, mayonnaise, various types of sauces, or other type of substances, e.g., adhesives, sealing materials and the like. In order to preserve the substances contained in the packets for a long period of time (long shelf life), the packets are usually made of air-tight multi-ply materials such as foil and plastic. While the packets are indeed effective in preserving their contents in good condition for an extended period of time, and are mechanically strong, withstanding abuses, the user has a difficult time in opening the packets unless a special tool such as scissors or knives are provided. The per-se known notch or cut provided at the lateral edge of such a rectangular packet does assist in the task of opening the packet by tearing along the notch or cut, however, such an operation more often than not, results in spilling, or worse, spraying the surroundings with the contents thereof.
SUMMARY OF THE INVENTION
It is therefore a broad object of the present invention to provide a device for effecting the opening of a sealed, bag-like flexible packet and for dispensing the pourable contents thereof in a controlled manner.
In accordance with the present invention there is provided a device for effecting opening of a sealed bag-like flexible packet and for dispensing pourable contents thereof; comprising two interconnected limbs each having an inside and an outside surface and having a size at least equal to one dimension of said packet, so as to facilitate placing of said packet in between said limbs, and means located at the end portions of said limbs facilitating piercing or cutting of said packet to form an opening allowing the contents thereof to be dispensed upon effecting a sequential squeezing action on said packet starting from a point distant from said opening.
REFERENCES:
patent: 3418059 (1968-12-01), Robe
patent: 4570339 (1986-02-01), Taylor
patent: 5101562 (1992-04-01), Horvath et al.
patent: 5857593 (1999-01-01), Patronaggio
Avigdor Amit
Gazit Eran
Navot Yoram
Friedman Mark M.
Gazit-Navot Holding Ltd.
Payer Hwei-Slu
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