Envelopes – wrappers – and paperboard boxes – Wrapper – Expansible
Patent
1996-07-17
1998-04-28
Pascua, Jes F.
Envelopes, wrappers, and paperboard boxes
Wrapper
Expansible
383120, B65D 6512
Patent
active
057434603
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a pleated paper wrapper for long sandwiches.
2. Description of the Prior Art
There are two principal ways of wrapping long sandwiches with paper, namely, firstly, a single, flat piece of paper which is rolled around the long sandwich and, secondly, a long, narrow paper bag into which the sandwich is slipped lengthways. The first solution uses up a great deal of paper and it is necessary to unwrap the sandwich completely in order to be able to eat it, whilst the second solution is not very practical in use because the sandwich has to be inserted in the way a sock is slipped on. However, pleated paper wrappers for round sandwiches have been developed and these are described in patents FR-A-2,595,666 and FR-A-2,676,037, as have bulk product wrappers, also made from pleated paper, and these are described in patents FR-A-2,689,105 and FR-A-2,692,867, but none of these wrappers has been able to solve the problem of wrapping long sandwiches in a practical and elegant manner. Moreover, users of pleated wrappers are seeking uniformity in their range of wrappers.
SUMMARY OF THE INVENTION
The object of the present invention is to describe a wrapper, for long sandwiches, which is economical, made from paper, practical to use in kitchens, practical for the consumer and, finally, which looks good.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is described hereinafter with the aid of an example and references to the appended drawings, in which:
FIG. 1 shows the wrapper according to the invention before use; a cutout has been made to show the shape of the pleats in the body of the bag.
FIG. 2 shows the same wrapper whose pleats have been separated in the part forming the body for the insertion of a long sandwich therein; a cutout has been made to show that the pleats have been unfolded.
FIG. 3 shows the same wrapper containing a long sandwich which has been covered by the flap; a cutout shows the position of the flap with respect to the body and the sandwich.
FIG. 4 shows the same wrapper whose pleats have been partially re-formed to match the shape of the long sandwich it contains as far as possible; a cutout shows that the pleats have been re-formed.
FIG. 5 shows an embodiment of this wrapper made from a single film.
FIG. 6 shows the making of this wrapper from two films.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
As illustrated in FIG. 1, the invention consists in making an elongate rectangular bag formed from a flexible thin film which has been previously pleated into flat pleats 1 which are secured at their ends 2 and free between these ends and which is folded over on itself parallel to the direction of the pleats 1. The bag comprises two pleated walls 3 and 4 connected together by a pleat 5 forming the base of the bag which is parallel to the pleats 1 of the thin film constituting the walls 3 and 4. The lateral edges 6 corresponding to the end 2 of the pleats 1 run from the base pleat 5 as far as the opening 7 and are secured together by any available existing means. One of the walls 4 of the bag is extended along its border 30 by a flap 8 of generally rectangular shape. This flap 8 may consist of the pleated continuation of the pleated wall 4 or consist of a non-pleated part 10 (FIG. 5) of the film constituting the wrapper or of an attached planar sheet 9 (FIG. 6). In the preferred variant of the invention, the width 38 of the flap 8 is of the order of twice the height 17 of the bag.
The use of such a bag (FIG. 2) consists in opening it wide by separating the edge 12 from the edge 30 and by partially unfolding the pleats 1 of the walls 3 and 4 of the bag so as to make a container 14. The long sandwich 13 is then placed inside the container 14 so that it is substantially parallel to the direction of the pleats 1, the sandwich 13 is covered (FIG. 3) with the flap 8 and its end 15 is wedged between the sandwich 13 and the opposite wall 3. Finally, the sides 6 (FIG. 4) of the bag, corresponding to the end 2 of the pleats 1, are pu
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Buchberg Akiva
Capy Gilbert
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