CN1004478B

CN1004478B - Container made by folding sheet

Info

Publication number: CN1004478B
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: 1989-06-14
Also published as: CN86101012A; DE3602146A1; JPH0228172Y2; JPS61137579U

Abstract

To avoid variation of frictional force in one brake pad and to prevent squeaking of a brake and biased abrasion by providing a brake pad, the upper side of which is formed by the first friction material having high density and a small coefficient of friction, the other portion being formed by the second friction material having low density and a large coefficient of friction. A brake pad is a deformed quadrilateral plate formed by an upper side A brought into contact with the peripheral edge of a brake disc, which is circular-arc, and by a forward side C, a backward side D opposite to the forward side C, and the lower side B opposite to the upper side A, which are substantially rectilinear. The upper side A, the lower side B and the longest distance (a) between the lower side B and the upper side A are respectively divided into three equally to form nine divisions partitioned by lines passing the dividing points substantially vertical or horizontal to the other line. At least one third to two third of the whole including the central division on the upper side A is formed by the first friction material having high density and small coefficient of friction, and the other is formed by the second friction material having low density and a large coefficient of friction.

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 sufficient 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 2e 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 is included in a paper container of 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 1i with the 2k part and " does not link to each other with the 2m 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 (S) that is used to put into and take out article comprises:

A rectangle aft bulkhead on described opening (S) opposite by individual layer bending part (1a) formation,

From the rectangle right side wall that described aft bulkhead extends forward, this right side wall is partly with at least and comprises the double-decker that folds into part (2b) in the first outer kink branch (1c) and first that links together,

Extend forward and a rectangle left side wall relative with described right side wall from described aft bulkhead, this left side wall is partly with at least and comprises the double-decker that folds into part (2a) in the second outer kink branch (1b) and second that links together,

A rectangle upper side wall that extends forward from described aft bulkhead, in fact described upper side wall has and comprises bending part on first (1f), fold into part (2g) on the bending part on second (1d) and first, fold into the four-layer structure of part (2e) on second, folding into partly on the bending part on described first (1f) and described first, the width of (2g) equates and links together, folding into partly on the bending part on described second (1d) and described second, the width of (2e) equates and links together

Extend forward and a rectangle lower wall relative from described aft bulkhead with described upper side wall, in fact described lower wall has and comprises the 3rd time bending part (1g), the 4th time bending part (1e), folds into part (2h) for the 3rd time and fold into the partly four-layer structure of (2f) for the 4th time, described the 3rd time bending part (1g) and the described width that folds into part (2h) for the 3rd time equate and link together, described the 4th time bending part (1e) and the described width that folds into part (2f) for the 4th time equate and link together, it is characterized in that:

Folding into part in described first folds on (2b), described first to fold in the part (2g), described second to fold on the part (2a), the described the 3rd and folds into part (2e) on the part (2h), described second and describedly fold into partly the 4th time that (2f) each has the incision edge that is positioned at described opening (S)

Fold on the part (2g), described first bending part (1f), the described first outer kink branch (1c), described the 3rd time bending part (1g) on described first and describedly fold into partly the 3rd time that (2h) interconnects according to listed order in turn at the non-folded state of described container made by folding sheet, other component part folds into part (2b) in promptly described first.Described first outer part (1c), the described individual layer bending part (1a) of folding into, fold in the described second outer kink branch (1b), described second that part folds into part (2e) on (2a), described second, states bending part on second (1d), the described second outer kink branch (1b), described the 4th time bending part (1e) and describedly fold into partly the 4th time that (2f) interconnects according to listed order in turn at the non-folded state of described container made by folding sheet

Fold into part (2g) on described first, fold into part (2h) described the 3rd time, fold into part (2e) on described second and describedly fold into partly that (2f) each has a rabbet for the 4th time, and first side folds into part (21), second side folds into part (2i), the 3rd side folds into part (2n) and the 4th side and folds into partly (2j) triangle of respectively doing for oneself, described side folds into part (2l), (2i), (2n), (2j) folding with respectively with the described part (2g) that folds into, (2h), (2e), (2j) match

First triangle folds into part (1h) and the 3rd triangle and folds into partly that (1i) all extends from described aft bulkhead (1a), and second triangle folds into part (2k) and the 4th triangle and folds into part (2m) bending part (1f) and from described the 3rd time bending part (1g) extension on described first respectively, described first triangle folds into part (1h) and described second triangle and folds into part (2k) and described the 3rd triangle and fold into part (1i) and described the 4th triangle and fold into part (2m) and form a triangle respectively, at the common upward spill rabbet (2o) of formation of bending part (1d) and described the 4th time bending part (1e) that embeds respectively on described second of the folding half of described container made by folding sheet, (2p).

2, according to a kind of container made by folding sheet described in the claim 1, the width that it is characterized in that folding in described second part (2a) and the described second outer kink branch (1b) about equally, the width that folds into part (2b) and the described first outer kink branch (1c) in described first about equally, described width is equal to each other.

3, according to a kind of container made by folding sheet described in the claim 2, it is characterized in that folding in described second folding in the part (2a) and described first to have respectively at described opening (S) on the part (2b) and go up the semi-round rabbet (3) that is roughly respect to one another, and with described first and second in fold into the part (2b), (2a) the adjacent described second outer kink branch (1b) and the described first outer kink branch (1c) are gone up and are formed and the continuous triangle rabbet (3) of described rabbet (3), and what be useful on the edge that covers described semicircle rabbet (3) on the edge of described triangle rabbet (3) folds into part (2c), (2d).

4,, it is characterized in that described connection finished by adhesive agent according to a kind of container made by folding sheet described in the claim 1.

5,, it is characterized in that described connection finishes by the hot melt that is coated in the thermoplastic base resin on the described bending part inside face according to a kind of container made by folding sheet described in the claim 1.

6, a kind of container made by folding sheet is to be formed by monolayer material, comprising:

The first rectangle bending part that has a pair of long limit and pair of short edges,

Each have the outer kink branch of first and second rectangles of a pair of long limit and pair of short edges, one of every pair of long limit connects one of long limit of corresponding first bending part,

Each have a long limit first and second in fold into part, this length limit connects another long limit that the described first and second outer kinks divide respectively, fold into part width separately in described and be not more than the minor face that described outer kink divides, length is substantially equal to the long limit that described outer kink divides.

Bending part on first and second each has long, wide and at least one pair of parallel edges, a minor face of one of every pair of parallel edges kink branch along described first and second outside connect this outside first and second the kink branch one,

Third and fourth time bending part each has long, wide and at least one pair of parallel edges, another minor face of one of every pair of parallel edges kink branch along described first and second outside connect this outside first and second the kink branch one,

Fold into part on first and second, each have on one side, connect the another side of bending part on described first and second respectively, fold into part length and width separately on described to be not more than length and the width that its bonded assembly is gone up bending part accordingly,

Fold into part third and fourth time, each have on one side, connect the another side of described third and fourth time bending part respectively, described length and the width that folds into part down is not more than length and the width that its bonded assembly descends bending part accordingly,

It is characterized in that: described container made by folding sheet comprises an aft bulkhead, described first bending part of this aft bulkhead, this container also comprises a pair of relative two-layer sidewall, comprise separately along the long edge contraction of their bonded assemblys corresponding described outer kink branch one on described in one of fold into partly, this container also comprises one or four layers of upper side wall, comprise being folded in respectively on described first and second and fold into part on described first and second on the bending part, these parts after folding are overlapped again, one or four layers of lower wall, comprise that described third and fourth time of being folded in respectively on described third and fourth time bending part folds into part, these parts after folding are overlapped again, and this container also comprises and the relative opening of being determined by the folded edge of described two-layer sidewall and described upper and lower sidewall of described aft bulkhead.

7, according to the container made by folding sheet described in the claim 6, it is characterized in that the described first rectangle bending part also comprises two contact pin that are provided with along its minor face, and one of bending part has shape and the cooresponding recess of described contact pin with one of described third and fourth time bending part on wherein said first and second, makes described aft bulkhead be connected to described upper and lower sidewall by described contact pin.

8, according to the container made by folding sheet described in the claim 6, it is characterized in that folding in described first and second respectively the do for oneself rectangle on two long limits of part, and width separately roughly equates with the minor face that the described first and second outer kinks divide, when folding, another the long limit that folds into part in each is described is positioned near the described first rectangle bending part.

9, the container made by folding sheet described in according to Claim 8, a rectangle that it is characterized in that having a long limit folds into part in strengthening, this length limit connects another the long limit that folds into one of part in described first and second, and its size makes it cover the described first rectangle end wall when container is folding.

10, according to the container made by folding sheet described in the claim 6, it is characterized in that being arranged on the described two-layer sidewall, along connect that outer kink divides and in fold into long limit partly, with the equidistant rabbet of described lower wall.

11, according to the container made by folding sheet described in the claim 10, it is characterized in that described rabbet is a triangle, fold into part in each is described one semi-circular cut-out is arranged, each described outer kink branch has a convex V-notch of aiming at described semi-circular cut-out, therefore when described flap section is folded on the described outer kink branch, come to be embedded on each described semi-circular cut-out one side of each self-forming triangle rabbet of the burst of described contact pin by the formed butt strip of the convex of V-notch is folding.

12, according to the container made by folding sheet described in the claim 10, it is characterized in that the isosceles trapezoid that is shaped as of described rabbet, the trapezoidal end connect that outer kink divides and in fold on the long limit partly.

13, according to the container made by folding sheet of claim 12, it is characterized in that described trapezoidal rabbet comprises a described spill trapezoidal cut and the corresponding convex trapezoidal cut on described each outer kink branch that folds in each on the part, therefore fold in described partially folded outside described on the kink branch time, come to be embedded in the spill of each described spill trapezoidal cut one side of the trapezoidal rabbet of each self-forming of the burst of described contact pin by the formed triplet contact pin of the convex of each convex trapezoidal cut is folding.

14, according to the container made by folding sheet described in the claim 6, the rectangle that is shaped as that it is characterized in that each described upper and lower bending part, pair of short edges and a pair of long limit are respectively arranged, one of described long limit connects corresponding outer kink branch, and the described minor face of each of wherein said upper and lower bending part comprises a contact pin, and the size of contact pin makes contact pin partially foldedly be nested with a corresponding described upper and lower corresponding recess that folds on the part on described upper and lower bending part the time described upper and lower folding into.

15, according to the container made by folding sheet described in the claim 6, it is characterized in that described upper and lower bending part is roughly rectangle separately, described pair of parallel limit is a pair of long limit, wherein each described upper and lower another long limit that part connects a corresponding described upper and lower bending part that folds into.

16, according to the container made by folding sheet described in the claim 7, it is characterized in that described upper and lower bending part is roughly rectangle separately, described pair of parallel limit is a pair of long limit, and on wherein said first with fold into part for described the 3rd time and be connected on described first respectively and another long limit of described the 3rd time bending part, on described second and fold into part for described the 4th time and be connected on described second a minor face with described the 4th time bending part respectively.

17,, it is characterized in that the described part that respectively folds into adheres to its corresponding bending part according to the container made by folding sheet described in the claim 6.