CN86101012A

CN86101012A - Container made by folding sheet

Info

Publication number: CN86101012A
Application number: CN86101012.4A
Authority: CN
Inventors: 矢部芳治
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-02-18
Filing date: 1986-02-05
Publication date: 1986-08-13
Also published as: DE3602146A1; JPH0228172Y2; CN1004478B; JPS61137579U

Abstract

The invention provides a kind of container made of paper, it comprises an end wall relative with an opening, in the left side wall that extends between end wall and the opening and right side wall and upper side wall that extends between end wall and opening and lower wall.Each sidewall has by the bending part that is bonded together and folds into the double-decker that part is formed.The cutting edge of paper is positioned at container, away from opening.

Description

Container made by folding sheet

The present invention relates to adorn the container of videotape, flexible plastic disc or various other article, particularly relate to a kind of paper container, this paper container is folded up and is formed an opening, is used to put into and takes out above-mentioned article.

Traditional such container made by folding sheet is illustrated in Fig. 8 of accompanying drawing.As shown in the figure, cardboard 01 comprises bending part 01a to 01i, these partially folded each several parts that promptly constitute container.The edge that forms these bending parts of an opening when folding up is exposed to the outside.

Known such paper container has the advantage that cost is lower than the container of using plastic production.But, always being exposed to the outside owing to form the edge of the bending part of opening, these edges often contact with article with hand, thereby produce paper end and paper scrap along with the wearing and tearing at edge.Therefore, graphic paper container is not suitable for the videotape that is easily damaged by paper scrap.Thereby the range of use of this paper container is limited.

In order to solve or to relax this problem, can on these edges, apply polypropylene one resinoid.But this need install the equipment that is used for application of resin on the manufacturing line of container, thereby will increase the manufacturing cost of equipment cost and container.

For by means of the shape that reasonably changes the cardboard part, limit the generation of paper end or paper scrap and crash-resistant container is provided, make the present invention then.

Therefore, the purpose of this invention is to provide the paper container of being made by folder, this folder comprises the part that folds into that links to each other with those bending parts at least, is becoming folding cardboard container constantly, and bending part will form an opening.This folds into part and folds in the container.

According to the present invention, in the container forming process, at least the part that folds into that links to each other with those bending parts that form opening is folded in the container.Therefore these fold into part edge separately and are not exposed to the outside, thereby have prevented that these edges from contacting with article with hand.Because the present invention only done local change to the cutting method of paper, make the operation of this paper container and equipment than lacking with the situation at polypropylene one resinoid coating paper edge.

Therefore, the difference of the container of making according to container of the present invention and prior art is to fold into the simple and inexpensive improvement of part, and these fold into part and link to each other with the bending part of the cardboard that forms the finished product vessel port.Though this improvement is simple and inexpensive, this container of the present invention is had be protected in case because the moving contact of hand and article and worn-down trimming, thereby paper end or the paper scrap that produces cut to bone.Therefore, paper container according to the present invention is highly suitable for adorning easily by the videotape or the flexible plastic disc of paper end or paper scrap damage.In addition, these fold into part and also play the beneficial effect of strengthening bending part.Thereby guaranteed under the situation of not obvious increase container wall thickness, to make vessel that needed abundant intensity is arranged.Certainly, the article that can put into this container are not limited to videotape and flexible plastic disc, and the shape and size that can select this container are to be applicable to the article of desiring to pack into.

To see other purpose of the present invention and advantage significantly from following description.

Brief description of drawings:

Fig. 1 is the transparent view according to the expansion of the container made by folding sheet of the first embodiment of the present invention;

Fig. 2 and Fig. 3 are the transparents view of representing folding process respectively;

Fig. 4 is the transparent view of the container that is folded into;

Fig. 5 is the section drawing that the V-V line along Fig. 4 takes out;

Fig. 6 is the transparent view of the expansion of second embodiment;

Fig. 7 is the transparent view of the expansion of the 3rd embodiment;

Fig. 8 is the transparent view according to the expansion of the container made by folding sheet of prior art;

Fig. 9 is the planar view of the expansion of first embodiment;

Figure 10 is the planar view of the expansion of the 4th embodiment;

Figure 11 is the planar view of the expansion of the 5th embodiment;

Figure 12 is the planar view of the expansion of the 6th embodiment.

Several embodiments of the present invention are hereinafter described with reference to the accompanying drawings.

Referring to figs. 1 through Fig. 5 and Fig. 9, wherein to have represented to fold up the cardboard 1 that forms a box or container, this box or container are used to place article such as videotape.This container is formed for putting into and taking out an open S of videotape.Cardboard 1 comprises the rectangle bending part 1a that constitutes container endwall and links to each other with the relative long limit of bending part 1a and constitute the rectangle bending part 1b and the 1c of container right side wall and left side wall.Constitute the bending part 1b of sidewall and the minor face of 1c and be connected with bending part 1d to 1g respectively.These four bending part 1d to 1g constitute the layering of container upper wall and lower wall.The minor face that constitutes the bending part 1a of end wall is connected with triangle and folds into part 1h and 1i.Triangle folds into

part

1h and 1i is used for overlapping

bending part

1d and 1f and following

bending part

1e and 1g respectively.

Cardboard 1 also comprises from what the side of the bending part that forms vessel port S extended and folds into part 2a and 2b.This folds into

part

2a and 2b folds into container, so its cutting edge is positioned at and contacts with bending part 1a that constitutes end wall and the inside face that constitutes the bending part 1d to 1g of upper wall and lower wall or press close to the place mutually.At each bending

part

1b and 1c and respectively fold into intermediate vertical position between part 2a and the 2b and have a triangle rabbet and the rabbet 3 that semicircle rabbet is formed.Rabbet 3 is convenient to put into and take out videotape.Bending

part

1b and 1c comprise respectively link to each other with its triangle rabbet limit fold into part 2c and 2d.It is folding to contact or to press close to fold into semicircle rabbet on part 2a and the 2b that this folds into

part

2c and 2d.

As shown in Figure 9, the width V that folds into part 2a equates with the width W of bending part 1b that roughly the width X that folds into part 2b roughly equates with the width Y of bending part 1c.Width W equals width Y.

The long limit that constitutes the bending part 1d to 1g of upper wall and lower wall is connected with respectively and folds into part 2e to 2h.Fold into part 2e to 2h and fold up, so that its edge is in the position that contacts or press close to 1c with the bending part 1b that constitutes container side wall.The minor face of the upper wall of formation container and the bending part 1d to 1g of lower wall comprises that also triangle folds into part 2i to 2n and triangle rabbet 2o and 2p.These edges that fold into part 2i to 2n and rabbet 2o and 2p and triangle fold into

part

1h and 1i overlap joint or touch with the side edge that triangle folds into

part

1h and 1i or press close to mutually.

When cardboard 1 being folded up the formation container, the part 2a to 2n that folds into that links to each other with the side of bending part 1a to 1i folds in container.Therefore, the edge of part and the moving contact of hand and article have been prevented to fold into.For example, the situation that is exposed to the outside with the cutting edge of cardboard is compared, this structural limitations of the present invention owing to the friction of above-mentioned moving contact produces paper end or paper scrap.Described embodiment has also reduced the paper end or the paper scrap of the edge generation that folds into part 2a to 2n, and this is because these edges contact with other parts or press close to mutually when folder 1.

The inner bending wall of cardboard 1 need apply the polyethylene of 25～30 micron thickness or polypropylene type thermoplastic base resin, can utilize existing polyethylene or polypropylene containers originating firm bending part with fold into the part hot melt and be in the same place, and need not carry out any reconstruction to factory, need not use adhesive agent yet.Certainly, each component part can be with adhesive bond together.

A in the accompanying drawing represents fold line, can be accurately and folding reliably bending part and fold into part along this line.

Hereinafter another embodiment will be described.

With reference to Fig. 6 of expression second embodiment, cardboard 1 also comprises and folds into the reinforcement that part 2a links to each other with one of 2b and fold into part 2q.When cardboard 1 being folded up formation one container, it is overlapping with the inside face of the bending part 1a that constitutes container endwall that this reinforcement folds into part 2q.

With reference to Fig. 7 of expression the 3rd embodiment, cardboard 1 comprises and folds into

part

2a and 2b, and they are half elliptic separately, and its area is less than the bending part 1b or the 1c that constitute container side wall.The minor face that constitutes the bending part 1d to 1g of container upper wall and lower wall is connected with semicircle and folds into part 2i to 2p.The minor face that folds into part 2e to 2h has and the semicircle relative semicircle rabbet 2g to 2x of part 2i to 2p that folds into.

In addition, in the 3rd embodiment, the rabbet 3 of being convenient to put into and take out videotape comprises separately and has the trapezoidal rabbet that three semicircles fold into

part

2c or 2d, and this semicircle folds into

part

2c or 2d and is located at and folds up side edge that Shi Keyu folds into three semicircle rabbets on part 2a or the 2b and touch or press close to the place mutually.

With reference to the expression the 4th embodiment Figure 10, cardboard do not comprise with first embodiment shown in Fig. 9 in fold into

part

2e and 2f and triangle fold into part 2k and the corresponding part of 2m.Triangle in the present embodiment folds into part 2i ' and 2j ' is longer than appropriate section 2i and the 2j of Fig. 9, is substantially equal to the main whole width that folds into part 2a.Like this, when folding cardboard was got up to form container, the additional rigidity that folds into part 2i ' and 2j ' had just been strengthened bending part 1d to 1g.But, do not have rabbet on the cardboard.

With reference to Figure 11, the 5th embodiment shown in it is different with the embodiment shown in Figure 10, promptly at bending part 1b and fold into a hexagon rabbet 3 is arranged between the part 2a ', at bending part 1c and fold into a same rabbet 3 is arranged between the part 2b '.Like this, the 5th embodiment point that is better than the 4th embodiment is that videotape one class article are easy to put into and take out.

Figure 12 represents the 6th embodiment, and it comprises a paper container that is suitable for flexible plastic disc.This embodiment is different from embodiment shown in Figure 9 in the following areas:

(I) folds into part 2i " and 2j " greater than folding into

part

2i and 2j.

(II) do not fold into

part

2e and 2f.

(III) bending part 1h " and 1i " is greater than bending

part

1h and 1i.

(IV) folds into part 2g ' and 2h ' is leg-of-mutton.

(V) 1h " does not link to each other with the 2k part.

(VI) do not have rabbet 3.

(VII) bending part 1d ' and 1e ' do not comprise rabbet.

But, the 6th embodiment is identical with first embodiment shown in Fig. 9 on principle.

Claims

1, a kind of container made by folding sheet that has the opening that is used to put into and take out article comprises:

A rectangle end wall on described opening (S) opposite by single bending part (1a) formation,

From the rectangle left side wall that described end wall extends forward, this left side wall to small part by link together one outside fold into the double-decker that part (2a) is formed in the kink branch (1b) and,

Extend forward and a rectangle right side wall relative from described end wall with described left side wall, this right side wall to small part by another bending part (1c) that links together with fold into the double-decker formed of part (2b) in another,

A rectangle upper side wall that extends forward from described end wall, described upper side wall is actually by at least two bending parts (1d, 1f) and and folds into the four-layer structure that part (2g) is formed, one of described bending part (1f) and the described width that folds into part (2g) equate and link together

Extend forward and a rectangle lower wall relative from described end wall with described upper side wall, described lower wall is actually by other at least two bending parts (1e, 1g) and another and folds into the four-layer structure that part (1h) is formed, one of described other bending part (1g) and the described width that folds into part (1h) equate and link together

The described edge that folds into part (2a, 2b, 2g) is positioned at described opening (S), container is when deployed condition, described 2a, 1b, 1a, 1c, 2b part interconnect in turn according to listed order, and other described 2g, 1f, 1c, 1g, 2h partial sum 1d, 1b, 1e part also interconnect with listed order respectively in turn.

2, according to a kind of container made by folding sheet described in the claim 1, the width V of wherein said 2a part is substantially equal to the width W of described 1b part, and the width X of described 2b part causes the width Y that equals described 1c part, and width W equals width Y.

3, according to a kind of container made by folding sheet described in the claim 2, also comprise from described 1d partly extend and with the 1d part wide fold into part (2e) and from described 1e partly extend and with the 1e part wide fold into part (2f), wherein saidly fold into part 2e and 2f joins to respectively on described 1d and the 1e part.

4, according to a kind of container made by folding sheet described in the claim 3, also comprise from described 1d, 1e, 1f and 1g part folds into part (2i to the triangle that described 2a and 2b partly extend respectively, 2j, 2l, 2n) and from described 1a, the triangle that 1f and 1g partly extend folds into part (1h, 1i, 2k, 2m), wherein said 2i, 2j, when 2l and 2n are partially folded and described 2e, 2f, rabbet on 2g and the 2h part matches, described 1h and 2k part and described 1i and 2m part be common to form two triangles, when this leg-of-mutton half-lap time-division not with described 1d and 1e part on rabbet (2o, 2p) match.

5, according to a kind of container made by folding sheet described in the claim 3, wherein said 1d and 1e part have respectively with its equidimension and extend from it fold into part (2i ', 2j '), described 1a be partly with extend from it and match with described rabbet 2o and 2p respectively fold into part (1h ', 1i ').

6, according to a kind of container made by folding sheet described in the claim 2, opposite with described opening (S) the semi-round rabbet (3) that is roughly is arranged respectively on wherein said 2a and the 2b part, have respectively on described 1b and the 1c part with described to be roughly the triangle rabbet (3) that semi-round rabbet links to each other, be useful on respectively on the edge of described triangle rabbet (3) cover described semicircle rabbet edge fold into part (2c, 2d).

7, according to a kind of container made by folding sheet described in the claim 2, wherein said 2a and 1b part have a hexagon rabbet (3 ') jointly, and described 2b and 1c part have another hexagon rabbet (3 ') jointly.

8, according to a kind of container made by folding sheet described in the claim 2, comprise also at least folding into part 2q that the described size and dimension that folds into part 2q is substantially equal to described 1a part and covered described 1a part to strengthen this 1a part from the extension of one of described 2a and 2b part and away from one of described 1a part.

9, according to a kind of container made by folding sheet described in the claim 2, wherein said 1d ' and 1e ' part fold into part (2i ", 2j ") respectively, described 1a partly has one to fold into part (1h "); described 1f and 1g part folds into part (2k, 2g ', 2l and 2m, 2h ', 2n) respectively; described 2i ", 1h ", 2k, 2g ' and 2l partly cooperatively interact; described 2j ", 1i ", 2m, 2h ' and 2n partly cooperatively interact.

10, according to a kind of container made by folding sheet described in the claim 1, wherein said connection is finished by adhesive agent.

11, according to a kind of container made by folding sheet described in the claim 1, wherein said connection is finished by the hot melt that is coated in the thermoplastic base resin on the bending part inside face.

12, according to a kind of container made by folding sheet described in the claim 2, wherein said connection is finished by the hot melt that is coated in the thermoplastic base resin on the bending part inside face.

13, according to a kind of container made by folding sheet described in the claim 1, wherein said 1d, 1e, 1f and 1g partly have respectively the semicircle that matches with semicircle rabbet (2q, 2r, 2s, 2t, 2u, 2v, 2w, 2x) on described 2e, 2f, 2g and the 2h fold into part (2i, 2j, 2k, 2l, 2m, 2n, 2o, 2p), and described 1a partly has respectively the taper shape that partly matches with described 2j and 2m part and described 2l and 2o fold into part (1h, 1i).