Buckles – buttons – clasps – etc. – Bag fasteners – Resilient slot bag tie
Patent
1994-06-21
1997-02-04
Cuomo, Peter M.
Buckles, buttons, clasps, etc.
Bag fasteners
Resilient slot bag tie
24 305P, 24543, B65D 7710, B65D 6300, A44B 2100
Patent
active
055986080
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a bag clip and then particularly to a bag clip which is intended for tightly sealing plastic bags at any location along the height of the bag or at a location adjacent the bag opening. The clip is a single piece structure which comprises two limbs or bars which are pivotally joined together at respective one ends thereof and which have bag-engaging surfaces which are intended to receive therebetween that portion of the bag where a seal is to be effected when the limbs are moved together with said bag portion located therebetween. The other ends of the limbs have a manually openable snaplock which closes automatically when the limbs are brought together.
A bag clip of this kind is known from the publication EP-A-O 156 779. Although this clip functions exceedingly well for the purpose for which it is intended, the construction of the clip is, nevertheless, relatively complicated, therewith rendering the moulding tool or pressing tool used to manufacture the clip relatively expensive. Furthermore, because of its complicated construction, the clip cannot be manufactured in comparatively small sizes, for reasons of a technical nature. The object of the present invention is to provide a clip of less complicated construction, so that the clip can be manufactured, as by injection moulding or extrusion processes, in a less expensive manner and in smaller dimensions than can the known clips, while maintaining material consumption at a relatively low level.
Also known to the art is a bag sealing clip as described in U.S. Pat. No. 4,847,956. This known clip comprises two limbs which are hinged together at one end thereof, so as to clamp tight on the open end of a flexible bag. The other ends of the limbs are held together by a multi-step latch and the clip is able to accommodate bag materials of different thicknesses as a result of an expandable hinge structure. This clip structure, however, is highly complicated and lies outside the general purview of the invention.
For the sake of completeness, reference can also be made to U.S. Pat. No. 3,805,813, which teaches an automatic hair clasp. This hair clasp, however, has little resemblance to the inventive bag clip.
The novel, characteristic features of the inventive clip are set forth hereafter.
The invention will now be described in more detail with reference to an exemplifying embodiment of an inventive bag clip and also with reference to the accompany schematic drawings, in which
FIG. 1 is a perspective view of a preferred embodiment of an inventive clip, showing the clip in its open position;
FIG. 2 is a side view of the clip shown in FIG. 1;
FIG. 3 is a front view of the clip shown in FIG. 1 and in FIG. 2;
FIG. 4 shows the clip of FIG. 1 from above;
FIG. 5 shows the clip when closed, with bag material clamped between the limbs of the clip;
FIG. 6 is side view of the clip shown in FIG. 1 as it closes with no bag material between the limbs; and
FIG. 7 is a side schematic view of an alternate embodiment of a clip in the open position.
The clip is a one-piece structure made of a plastic material of suitable resiliency or elasticity and produced in accordance with a known process, such as injection moulding, plastic moulding or pressure moulding or extrusion processes, with the extruded profiled strand being sawn or otherwise divided into individual clips. The illustrated clip is comprised of two limbs 2 and 3 which are hinged together by a weakening fold 1. Provided at the free ends of the limbs 2 and 3 is a snaplock arrangement comprising a locking tongue 4 which forms part of the limb 3 and a shoulder or ledge 5 which projects outwardly from the limb 2. Located centrally of the limb 3, in the direction of its longitudinal axis, is an outwardly extending bridge 6 which is spaced from the bottom or base 8 of the limb, so as to define a space 7. The bridge 6 is curved slightly convexly in towards the space between the limbs. The other limb 2 has a central ridge 10 which projects out from the back 9 of said limb, the flat engagement surfa
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Cuomo Peter M.
Sandy Robert J.
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