CN2707639Y

CN2707639Y - Paper made lunch box

Info

Publication number: CN2707639Y
Application number: CN 200420059581
Authority: CN
Inventors: 陈荣池
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-20
Filing date: 2004-05-20
Publication date: 2005-07-06
Anticipated expiration: 2014-05-20

Abstract

The utility model discloses a paper dinner box comprising a box body. The box body is formed from a paper board which is provided with a plurality of preset folding lines and folded and compressively glued along the folding lines. The box body after folded forms a box bottom, a box wall connected with the circumference of the box bottom and a box top contiguously connected with the end edge of the box wall. The utility model is characterized in that each end angle of the box body is respectively provided with a connecting structure. Each connecting structure is provided with a main supporting wall, bottom edge of which is connected with the box bottom, two combining walls respectively connected with the side wall of the main supporting wall and the box wall, a pushing wall connected with the top edge of the main supporting wall and two supporting walls connected with the top edges of the combining walls. The combining walls are adhesively connected to the main supporting wall and positioned on the outer portion of the box body; the pushing wall is adhesively connected with the box top through both sides of the pushing wall; the supporting walls are adhesively connected with the bottom surface of the pushing wall. The entire structural strength of the dinner box and the convenience of folding and adhering can be improved through the utility model.

Description

Paper box for food

Technical field

The utility model relates to box body made of paper, especially in regard to a kind of paper box for food with strong structural strength.

Background technology

The paper box for food of generally commonly using, make with the folding line institute backfin of predetermined aspect by the paper wood that meets relevant health regulation, and be to make paper wood can paste (generally with the hot pressing sealing label) mutually and can on paper wood, reach the waterproof infiltration effect to avoid softening, can coat polyethylene (PE) or polypropylene waterproof materials such as (PP) respectively at the upper and lower layer of its paper wood.

Paper box for food in fact only with its inside (being the upper strata of paper wood) in order to contain article (food, meal), so necessary coated with waterproof material (polyethylene or polypropylene) in paper wood upper strata, and the polyethylene that lower floor scribbled (PE) of paper box for food or polypropylene (PP), then for heating the usefulness of pasting, to form the predetermined form of cutlery box.But since the upper and lower layer of paper wood all coated with waterproof material can make that the cost of paper box for food is too high.For cost-cutting, numerous dealers only coat waterproof material with the upper strata of paper wood, and the lower floor of paper wood does not then have any waterproof material, but since paper wood lower floor under no waterproof material, then influenced and limited when it is pasted, make the structural strength of paper box for food after pasting shaping have deficiency.

The innovation and creation content

Main purpose of the present utility model provides a kind of paper box for food that reduces manufacturing cost.

Another purpose of the present utility model provides a kind of paper box for food that can improve structural strength.

For achieving the above object, the utility model is taked following technical scheme: a kind of paper box for food, include a box body, described box body is by a cardboard that is formed with some predetermined broken lines, amount to, press glutinous back to form along broken line, and described box body after amounting to, be formed with a box at the bottom of, one be connected in the box that the box wall and of periphery at the bottom of the described box is adjacent to described box wall ora terminalis and push up; The angle of respectively holding of described box body has a connection structure respectively, described connection structure have bonded assembly main brace wall, two at the bottom of a root edge and the box respectively with described main brace wall sidewall and described box wall bonded assembly joined wall, be connected in described main brace wall apical margin lean wall and two and described joined wall apical margin bonded assembly be supported by wall; Described joined wall amplexiforms on described main brace wall and is positioned at the outside of box body, and the described wall that leans is with its both sides and box top gluing, and the described wall gluing that is supported by is on the described bottom surface that leans wall.

The utility model is owing to take above design, and it has the following advantages: in the utility model, connect by connection structure respectively at its surrounding vertex angle, can increase the bond strength at box body end angle.In other words, connection structure is connected the end angle of box body with the box wall of the non-mode that is vertical (90 degree angle) with both sides, the stress that can be disperseed to hold the angle to bear (is promptly avoided when box body contains article, have the phenomenon of stress concentration) at the end angle, and the joined wall of connection structure amplexiforms on the outside of main brace wall, can make the position increase its thickness in the back of amplexiforming by joined wall at the main brace wall at box body end angle, make the bracing force at box body end angle more firm, moreover after amplexiform on the box top that leans wall and adjacent both sides, can make that forming one between connection structure and box wall draws the application force of pulling mutually, and more can strengthen the box body integral intensity.

In addition, owing to lean wall and formed by directly extending on joined wall, and paste and engage with being supported by wall, the feasible wall that leans is supported by the pasting under the support of wall having, and is supported by wall energy to being leaned wall support from lower to upper, makes the intensity that leans wall more firm.

Moreover, because the mode of pasting of amounting to of the present utility model, can be coated with last layer waterproof layer (waterproof layer can be usefulness of the medium of pasting) in cardboard top and can finish and amount to and paste (promptly need not cardboard pushes up, the end all be coated with waterproof layer), not only can lower to make and go up cost, more can save the program when pasting, so that output growth.

Description of drawings

Fig. 1 is the expansion drawing of the utility model one preferred embodiment.

Fig. 2 is the cardboard cutaway view of preferred embodiment shown in Figure 1.

Fig. 3 is the block diagram of preferred embodiment shown in Figure 1.

Fig. 4 is that enlarged drawing is launched in the part of preferred embodiment shown in Figure 1; The state of pasting is amounted on its main display box top.

Fig. 5 is the partial enlarged drawing of preferred embodiment shown in Figure 1; It shows that mainly connection structure desires to amount to the state of pasting.

Fig. 6 is the partial enlarged drawing of preferred embodiment shown in Figure 1; It sees it with the bottom, the main state that the wall bonding is desired and be supported by to wall that leans that shows.

Fig. 7 is the partial enlarged drawing of preferred embodiment shown in Figure 1; It sees it with the bottom, main wall and the state that is supported by after wall binds of leaning that show.

The specific embodiment

Lifting following examples and conjunction with figs. is described as follows:

As Fig. 1, Fig. 2, shown in Figure 3, one preferred embodiment is provided a kind of paper box for food 100 by the utility model, and it consists predominantly of:

One box body 10, by a cardboard 1 via the suitable broken line that cuts and form predetermined aspect thereon after, by the backfin of broken line paste form.As shown in Figure 2, wherein cardboard 1 includes a ply of paper 2 and a waterproof layer 3, it is made that ply of paper 2 mixes an amount of additive by the pure fiber that meets relevant health regulation, waterproof layer 3 is formed on the end face of ply of paper 2 by polyethylene (PE) or polypropylene (PP) mode with spraying or lamination, waterproof layer 3 can prevent that moisture content from infiltrating in the ply of paper 2 by actv., also can reach waterproof layer 3 heating and paste the effectiveness that envelope is pressed.Cardboard 1 is earlier by the suitable broken line that cuts and forms predetermined aspect thereon, and by the backfin of broken line paste make box body 10 can define at the bottom of the box 11, one be positioned at box top 13, that the box wall 12, of 11 peripheries at the bottom of the box is positioned at box wall 12 apical margins be positioned at the bottom of the box 11 with 12 on box wall opening appearance up contain regional 14, reach four connection structures of sentencing to be connected each box wall 12 respectively at 11 surrounding vertex angles at the bottom of the box 15.

At the bottom of the box 11, generally rectangular (also can make difformity on demand), its surrounding vertex angle place has the folding line of cutting sth. askew, and 11 the angle of respectively holding is presented with the angles of non-90 degree.

Box wall 12 is connected at the bottom of the box with the one side on 11 the edge.

Box top 13 has a connecting piece 131 and and strengthens sheet 132, and connecting strap 131 is connected with the apical margin of one side with

box wall

12, and 132 of reinforcement sheets are connected (as shown in Figure 1) with the one side with connecting strap 131 another sides.

Connection structure 15 because the structure of each connection structure 15 is all identical, for avoiding verbose, below only with single connection structure 15 explanations:

As shown in Figure 1, connection structure 15 has a main brace wall 151, two joined walls 152,153, and leans wall 154 and two and be supported by wall 155.

Main brace wall 151, generally rectangular, with an end corner connection of 11 at the bottom of its bottom and the box.

Each joined wall 152,153, the side that is connected to main brace wall 151 reaches on the adjacent with it box wall 12, and each joined wall 152,153 can define one first joined wall 156 and one second joined wall 157 and one the 3rd joined wall 158 and one the 4th joined wall 159 respectively, wherein first and third joined wall 156,158 is generally triangular in shape respectively, and be connected at the bottom of the box on 11 with its top, and a side of first and third joined wall 156,158 is connected on the dual side-edge of main brace wall 151; The second, four joined walls 157,159 are generally triangular in shape respectively, and be connected at the bottom of the box on 11 with its top, and the second, a side of four joined walls 157,159 is connected on another side of first and third joined wall 156,158, and another side of second, four joined walls 157,159 then is connected with adjacent box wall 12 respectively.

Lean wall 154, be connected on the top of main brace wall 151.

Respectively be supported by wall 155, be connected on the top of second, four joined walls 157,159.

Be with, above-mentioned each position sample attitude that is the utility model one paper box for food that preferred embodiment provides 100, then again it amounted to the mode of pasting and be described below:

At first, with reinforcement sheet 132 reflexeds on box top 13 and with connecting strap 131 mutual gluings (as shown in Figure 4), make box top 13 have the thickness of two ply board, to increase its support strength, again with each joined wall 152,153 first, two joined walls 156, the 157 and the 3rd, four joined walls 158,159 amount to (as shown in Figure 5) relatively with its junction mutually respectively and are binded and amplexiform, make connection structure 15 both sides box wall 12 can with the dual side-edge butt (as shown in Figure 6) of main brace wall 151, and make by first, two joined walls 156, the 157 and the 3rd, four joined walls 158,159 fit and the joined wall 152 that constitutes, 153 is extended in the outside of box body 10, then again with each joined wall 152,153 first, three joined walls 156,158 respectively with second, four joined walls 157,159 reverse side of fitting and the outside wall of main brace wall 151 are pasted (as shown in Figure 6), the box top 13 that then will lean wall 154 and adjacent two sides is again pasted and is engaged (as shown in Figure 7), and then will be supported by wall 155 and paste on the bottom surface that leans wall 154 (as shown in Figure 7), so just finish single-piece and amount to and paste.Because joined wall 152,153 and being supported by after wall 155 pastes only can be seen at the back side of box body 10, therefore Fig. 6 provided by the utility model and Fig. 7 present by the back side of box body.

Claims

1, a kind of paper box for food, include a box body, described box body is by a cardboard that is formed with some predetermined broken lines, amount to, press glutinous back to form along broken line, and described box body after amounting to, be formed with a box at the bottom of, one be connected in the box that the box wall and of periphery at the bottom of the described box is adjacent to described box wall ora terminalis and push up; It is characterized in that:

The angle of respectively holding of described box body has a connection structure respectively, described connection structure have bonded assembly main brace wall, two at the bottom of a root edge and the box respectively with described main brace wall sidewall and described box wall bonded assembly joined wall, be connected in described main brace wall apical margin lean wall and two and described joined wall apical margin bonded assembly be supported by wall; Described joined wall amplexiforms on described main brace wall and is positioned at the outside of box body, and the described wall that leans is with its both sides and box top gluing, and the described wall gluing that is supported by is on the described bottom surface that leans wall.

2, paper box for food according to claim 1 is characterized in that: described cardboard by a ply of paper with form a waterproof layer at the end face of ply of paper in the mode of spraying or lamination and constituted.

3, paper box for food according to claim 1, it is characterized in that: described box top can define a connecting piece and and strengthen sheet, described connecting strap is connected with the apical margin of one side with described box wall, described reinforcement sheet then is connected with another side of described connecting strap with the one side, and described reinforcement sheet reflexed fits on the described connecting strap.

4, paper box for food according to claim 1 is characterized in that: described two joined walls can define one first joined wall and one second joined wall and one the 3rd joined wall and one the 4th joined wall respectively; One side of described first and third joined wall is connected on the dual side-edge of described main brace wall, one side of described second, four joined walls is connected on another side of described first and third joined wall, and another side of described second, four joined walls then is connected with adjacent box wall respectively, described first and second joined wall and described third and fourth joined wall are amounted to relatively with its junction mutually and are pasted connection, and described first and third joined wall and described second, the four joined walls reverse side of fitting and the outside wall of described main brace wall are pasted.