CN1445076A

CN1445076A - Plastic sheet with folding grid line and scoring tool used for the plastic sheet

Info

Publication number: CN1445076A
Application number: CN 03107473
Authority: CN
Inventors: 桥本忠; 桥本久司
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-18
Filing date: 2003-03-18
Publication date: 2003-10-01
Anticipated expiration: 2023-03-18
Also published as: CN1299891C

Abstract

A plastic sheet with kink lattice lines and lattice lines knife for the plastic sheet. The kink lattice lines (2) are located on the kink part of the plastic sheet (1), and forms shallow grooves (3) with regulated interval along the bottom surface (2b) of the kink lattice lines (2) in the direction of length, and forms plenty of grooves (4) deeper than the shallow grooves (3) along the bottom surface (2b) of the shallow grooves (3, 3) in the direction of length. The lattice lines knife (6) with kink lattice lines, forms cutting edges (7) having shallow penetration amount with regulated interval in the direction of length, and forms deep cutting edges (8) having deeper penetration amount than the shallow cutting edges (7) along the top surface (6b) of the shallow cutting edges (7, 7) in the direction of length. The device of the invention has excellent kinking characteristic and flexibility, is suitable to kinking operation.

Description

Have the sheet plastic and this sheet plastic ruling cutter that bend ruling

Technical field

Bending that use, that can roughly satisfy sheet plastic simultaneously and buckling strength has sheet plastic and this a sheet plastic ruling cutter that bends ruling when the present invention relates to a kind of assembling and laying container such as article such as cosmetics and stationery, toy, food.

Background technology

In the past, as the sheet plastic of setting up above-mentioned bending ruling, such as have following two kinds of motions promptly, push the ruling cutter that the blade top part is formed with concavity blade part and convex blade part, form the sheet plastic (the fair 4-9345 communique of Japan Patent reality) that bend ruling that has of the bending ruling that constitutes by shallow slot part and dark slot part at bending part; Push the blade top part and be formed with the concavity blade part of seeing semicircular in shape roughly from the side and the ruling cutter that roughly is straight convex blade part, form by the shallow slot part of seeing semicircular in shape roughly from the side and roughly be the sheet plastic (spy opens the 2001-293777 communique) that bends ruling that has that straight dark slot part constitutes at bending part.

But, the above-mentioned sheet plastic that bends ruling that has, in case the bottom wall thickness of the bending ruling that will be set up by the ruling cutter is done thin, can improve the bending characteristic of sheet plastic, but if the part of wall thickness is continuous at length direction, during then along bending ruling bending sheet plastic, take place in the bottom of bending ruling easily such as crack or big hole etc.In addition, the ruling cutter firmly by to sheet plastic, is deliberately made the thin-walled portion opening of bending ruling bottom, then can invade from this part, so impair commodity value and the hygiene that is placed in the article in the packing container such as foreign matters such as rubbish or moisture.And the jump of slot part is big, and the bight is an acute angle, so the feel of bending part is poor, is hooked by cloth or skin etc. easily.And, make the wall thickness of slot part if deeply with the incision of ruling cutter, then sheet plastic is pushed open towards the face direction, so molecular density increases.The ruling fracture appears bending in thin plate that thin plate and stretch percentage elongation are little sometimes, can't form on the little direct decomposability sheet plastic of percentage elongation.And, because bend and be uneven etc., aesthetic appearance is poor.In addition, utilize box machine that sheet plastic is assembled into the occasion of container form,, have the problem that is difficult to carry out the mechanization assembling operation because can pause and stop up.

Summary of the invention

In view of this, the object of the present invention is to provide a kind of by setting up the bending ruling that bottom surface sections between each shallow slot part is formed with a plurality of dark slot parts on the sheet plastic, but can obtain good bending characteristic and flexibility, feel and aesthetic appearance are good, can restrain crooked and be uneven etc. generation and mechanization ground bend sheet plastic and this sheet plastic ruling cutter that bends ruling having of operation.

The sheet plastic that bends ruling that has of the present invention, set up the bending ruling of concavity, this concavity bending ruling by a pair of side surface part of the mutual face-off of tilting with predetermined angular with constitute with the bottom surface sections of a distolateral narrow width that links to each other of this side surface part, its characteristics are, bottom surface sections along described bending ruling, interval with regulation forms shallow slot portion in the longitudinal direction, simultaneously along the bottom surface sections between described each shallow slot portion, forms a plurality of than the dark slot part of described shallow slot portion at length direction.

And a kind of sheet plastic ruling cutter, when the bending part of sheet plastic being set up the bending ruling, use, have the mutual face-off of tilting with predetermined angular a pair of side surface part, with the top part of a distolateral narrow width that links to each other of this side surface part, its characteristics are, top part along described ruling cutter, at the interval formation approach shallow blade part of length direction with regulation, simultaneously along the top part between described each shallow blade part, form the dark blade part of approach of a plurality of described shallow blade parts at length direction.

Above-mentioned sheet plastic can be by such as polypropylene (PP) or polyethylene terephthalate (PET), directly the monomer of decomposability plastics etc. or compound plastics form, and, use to form such as the transparent or semitransparent thin plate that is about the specific thickness (such as being roughly 0.3mm) in 0.1mm～about 1mm scope.Promptly, the bending ruling is attached to the occasion of the bending part of sheet plastic, with single or multiple ruling cutter, with corresponding pressure such as the material of this sheet plastic and wall thickness, intensity, hardness, each bending part to sheet plastic is pushed, and the temperature limit that is heated to regulation, limit is pushed and formed.

And above-mentioned each dark slot part can form different depth, or the bottom surface sections between above-mentioned shallow slot part form than this shallow slot part deeply, the roughly moderate slot part more shallow than dark slot part.

And, to have with above-mentioned bending ruling roughly the sheet plastic of correspondingly-shaped be set at different approaches with each shallow blade part of ruling cutter, or the top part between above-mentioned shallow blade part form than the approach of this shallow blade part deeply, than the shallow roughly moderate blade part of approach of above-mentioned dark blade part.In addition, above-mentioned dark slot part and dark blade part can be set at the size of the regulation ratio darker than above-mentioned shallow slot part and shallow blade part.That is, to shown in Figure 10, as roughly 100%, the height F2 of the degree of depth F1 of dark slot part 4 and dark blade part 8 can be set at such as 30%～roughly 70% degree roughly with the height E2 of the degree of depth E1 of shallow slot part 3 and shallow blade part 7 as Fig. 3.

Can the shallow slot part 3 of above-mentioned bending ruling 2 and A1, B1, B1a, C1, D1, E1, F1, the G1 of dark slot part 4 will be constituted, and the sheet plastic that constitutes use when setting up this bending ruling 2 is set at following size with A2, B2, B2a, C2, D2, E2, F2, the G2 of the shallow blade part 7 of ruling cutter 6 and dark blade part 8.

Promptly, the pitch interval A2 of the pitch interval A1 of shallow slot part 3 and shallow blade part 7 is set at such as the interval (such as being roughly 1.1mm) in the 10.0mm scope of 0.3mm roughly～roughly, the pitch interval B2 of the pitch interval B1 of dark slot part 4 and dark blade part 8 is set at such as the interval in the 1.0mm scope of 0.05mm roughly～roughly (such as being 0.2mm roughly), pitch interval B2a between pitch interval B1a between shallow slot part 3 and the dark slot part 4 and shallow blade part 7 and the dark blade part 8 is set at than pitch interval A1, A2 is narrow, than pitch interval B1, the interval (such as being roughly 0.25mm) that B2 is wide, the width C 2 of the width C 1 of shallow slot part 3 and shallow blade part 7 is set at such as the width value in the 1.0mm scope of 0.2mm roughly～roughly, the width D 2 of the width D 1 of dark slot part 4 and dark blade part 8 is set at such as the width value in the 1.0mm scope of 0.01mm roughly～roughly, the height E2 of the degree of depth E1 of shallow slot part 3 and shallow blade part 7 is set at such as the numerical value (such as being roughly 0.13mm) in the 0.25mm scope of 0.07mm roughly～roughly, the height F2 of the degree of depth F1 of dark slot part 4 and dark blade part 8 is set at such as the numerical value (such as being roughly 0.05mm) in the 0.1mm scope of 0.01mm roughly～roughly.

And, the width G 2 of the top part of the width G 1 of bottom surface sections of bending ruling 2 and ruling cutter 6 is set at such as the Rack value in the 0.15mm scope of 0mm roughly～roughly, the incision angle θ 2 of bending angle θ 1 of ruling 2 and ruling cutter 6 is set at such as the angles in 15 degree～110 degree scopes roughly, promptly, will be by front face 1a, side surface part 1b, rear face 1c, the angle θ 1 of the bending ruling 2 that the bending part that junction surface 1d constitutes forms and the incision angle θ 2 of ruling cutter 6 are set at roughly 43 degree, will be by the 1e of invagination portion, upward the incision angle θ 2 of the angle θ 1 of the bending ruling 2 of the bending part of facial 1f and lower face 1g formation and ruling cutter 6 is set at roughly 75 degree.And, the thickness H of ruling cutter 6 is set at the thickness of stipulating in the 2.0mm scope of 0.5mm roughly～roughly.

The pitch interval B2 of the pitch interval A2 of above-mentioned shallow blade part 7 and dark blade part 8 is in case bigger than setting value, and the intensity of then dark blade part 8 descends, the bending characteristic decline of sheet plastic.In addition, in case pitch interval A2, B2 are littler than setting value, then the intensity of blade descends, and can't obtain setting up enough effects of bending ruling 2, therefore preferably is set at the numerical value in the above-mentioned scope.

And, in case width C 2, D2 and height E2, F2 are bigger than setting value, be attached to the feel and the bending characteristic variation of the bending ruling 2 on the sheet plastic.In addition, in case width C 2, D2 and height E2, F2 are littler than setting value, then the intensity of blade descends, and can't obtain setting up enough effects of bending ruling 2, therefore preferably is set at the numerical value in the above-mentioned scope.

And,, need apply big plus-pressure, processing difficulties when then setting up the bending ruling in case increase the incision angle θ 2 of ruling cutter 6.Sheet plastic bends and out-of-flatness etc., mechanization bending difficulty.The bending characteristic of sheet plastic descends.In addition, in case angle θ 2 and width G 2 are littler than setting value, then edge strength descends, and shorten service life, therefore preferably is set at the numerical value in the above-mentioned scope.

And, shallow slot part 3 and dark slot part 4, the shallow blade part 7 of ruling cutter 6 and dark blade part 8 that can bending ruling 2 form such as seeing from the side and have the roughly semicircle of smooth surface or roughly circular arc, roughly platform shape, the groove shape of a certain specific sectional shape such as quadrangle, general triangular or a plurality of combinations roughly.

As the 2nd embodiment of the present invention, the structure that has the sheet plastic that bends ruling is, bottom surface sections total length with respect to this bending ruling, form a plurality of than the shallow slot part of described bending ruling, simultaneously, above-mentioned slot part is set up direction with respect to the ruling of described bending ruling, tilts and roughly be the rope apperance to arrange with the angle of stipulating.

And sheet plastic with the structure of ruling cutter is, with respect to the top part total length of described ruling cutter, form a plurality of concavity blade parts, simultaneously, the ruling of the described relatively bending ruling of described blade part is set up direction, tilts and roughly be the rope apperance to arrange with predetermined angular.

And the bending ruling can be in the bottom surface sections between above-mentioned slot part, forms the hole portion that connects with respect to described bending ruling bottom surface sections, thickness direction, perhaps each size of described slot part is set at the size in the prescribed limit that is fit to described sheet plastic bending.

And, the ruling cutter can be at the top part between described blade part, the projection that formation connects with respect to the bottom surface sections of described bending ruling, thickness direction, perhaps with each size of described blade part, be set at form the prescribed limit that bending ruling that described sheet plastic sets up conforms in size.

And, a1, b1, c1, d1, e1, the f1 of the slot part 3 of above-mentioned bending ruling 2 will be constituted, and constitute a2, b2, c2, d2, e2, the f2 that the sheet plastic that uses when setting up this bending ruling 2 is used the blade part 7 of ruling cutter 6, can be set at size and angle in the following provisions scope.

Promptly, extremely shown in Figure 24 as Figure 14, the height a2 of the degree of depth a1 of slot part 3 and blade part 7 is set at such as the size (such as being roughly 0.1mm) in the 0.3mm scope of 0.01mm roughly～roughly, the height b2 of the degree of depth b1 of slot part 3 and blade part 7 is set at such as the size (such as being roughly 0.01mm) in the 0.2mm scope of 0.0mm roughly～roughly, the width c2 of the width c1 of bending ruling 2 and slot part 3 and blade part 7 is set at such as the size (such as being roughly 0.5mm) in the 0.8mm scope of 0.05mm roughly～roughly, the blade pitch d2 of the pitch d1 of paddy portion of slot part 3 and blade part 7 is set at such as the size (such as being roughly 0.3mm) in the 1.0mm scope of 0.1mm roughly～roughly, the incision angle θ 2 of bending angle θ 1 of ruling 2 and ruling cutter 6 is set at such as the angle in the 120 degree scopes of 15 degree roughly～roughly (such as being roughly 43 degree or 75 degree roughly), relative ruling being set up that direction g tilts with predetermined angular or the angle f2 of the angle f1 of the slot part 3 that intersects and blade part 7 is set at such as the angle (such as being roughly 30 degree) in the 70 degree scopes of 10 degree roughly～roughly, is the specific thickness in the 2.0mm scope of 0.5mm～roughly roughly with the thickness setting of ruling cutter 6.

So long as the size in the above-mentioned scope (such as the degree of depth, highly, width, angle etc.), just can change the size of the blade part 7 of the slot part 3 that bends ruling 2 and ruling cutter 6, can make up setting as required.In addition, can form such as seeing from the side and have the roughly semicircle of smooth surface or roughly circular arc, roughly platform shape, the shape of a certain specific sectional shape such as quadrangle, general triangular or a plurality of combinations roughly.

The width d1 of above-mentioned slot part 3 and the width d2 of blade part 7 are in case bigger than setting value, then the bending characteristic of sheet plastic 1 descends, in case width d1 and width d2 are littler than setting value, then the intensity of blade descends, can't obtain setting up enough effects of bending ruling 2, therefore preferably be set at the numerical value in the above-mentioned scope.

And, in case the a2 of the a1～c1 of slot part 3 and blade part 7～c2 is bigger than setting value, then be attached to the feel and the bending characteristic variation of the bending ruling 2 on the sheet plastic 1.In addition, in case the a2 of the a1～c1 of slot part 3 and blade part 7～c2 is littler than setting value, then the intensity of blade descends, and can't obtain setting up enough effects of bending ruling 2, therefore preferably is set at the numerical value in the above-mentioned scope.

And,, need apply big plus-pressure, processing difficulties when then setting up the bending ruling in case the angle e2 of ruling cutter 6, f2 are bigger than setting value.Sheet plastic 1 bends and out-of-flatness etc., and the bending characteristic of mechanization bending difficulty and sheet plastic 1 descends.In addition, in case angle e2, f2 are littler than setting value, then edge strength descends, and shorten service life, therefore preferably is set at the numerical value in the above-mentioned scope.

As the 3rd embodiment of the present invention, the structure that has the sheet plastic that bends ruling is, bottom surface sections along described bending ruling, in the longitudinal direction with the interval formation of regulation and the slot part of the corresponding degree of depth of wall thickness of described sheet plastic, along the bottom surface sections between described slot part, length direction form a plurality of length directions than described slot part short and with the slot part of the corresponding degree of depth of wall thickness of described sheet plastic.

And, sheet plastic with the structure of ruling cutter is, top part along described ruling cutter, form with the interval of regulation and the blade part of the corresponding height of wall thickness of described sheet plastic at length direction, along the top part between described blade part, length direction form a plurality of length directions than described blade part short and with the blade part of the corresponding height of wall thickness of described sheet plastic.

And above-mentioned slot part can form the roughly the same or different degree of depth.In addition, described blade part can form roughly the same or different height.In addition, described slot part and blade part can form smooth curve form.In addition, each one of described slot part can be set at the size in corresponding with the wall thickness of described sheet plastic, as the to be fit to bending prescribed limit.In addition, each one of described blade part can be set at the size in corresponding with the wall thickness of described sheet plastic, as to be fit to the described bending ruling of the formation prescribed limit.

And, can be set at and the corresponding following numerical value of the wall thickness of sheet plastic 1 with each Aa of, Ab, B, Ba, C, Ca, D, θ 1, the θ 2 of the

blade part

7,8 of ruling cutter 6 constituting the

slot part

3,4 of above-mentioned bending ruling 2 and constituting sheet plastic.Promptly, extremely shown in Figure 36 as Figure 28, the width Aa of slot part 3 and blade part 7 is set at such as with respect to the wall thickness A of sheet plastic 1 width (such as being roughly 0.15mm) in 5%～roughly 50% scope roughly, the width Ab of slot part 4 and blade part 8 is set at such as with respect to the wall thickness A of sheet plastic 1 width (such as being roughly 0.15mm) in 5%～roughly 55% scope roughly.

And, the length B of slot part 3 and blade part 7 is set at such as with respect to the value (such as being roughly 0.5mm) in 20 times of scopes of roughly 1 times of wall thickness A～roughly, the length C of slot part 4 and blade part 8 is set at such as with respect to the value (such as being roughly 0.8mm) in 20 times of scopes of roughly 2 times of wall thickness A～roughly, the pitch interval D of slot part 4 and blade part 8 is set at such as with respect to the wall thickness A interval (such as being roughly 0.2mm) in 10%～roughly 200% scope roughly, sets the pitch interval of slot part 3 and blade part 7 wideer than the pitch interval D of above-mentioned slot part 4 and blade part 8.

And, the height B b of the depth B a of slot part 3 and blade part 7 is set at such as with respect to the wall thickness A value (such as being roughly 0.08mm) in 20%～roughly 50% scope roughly, the height Cb of the degree of depth Ca of slot part 4 and blade part 8 is set at such as with respect to the wall thickness A value (such as being roughly 0.08mm) in 10%～roughly 400% scope roughly.

And, with the angle θ 1 of bending ruling 2 and the angle θ 2 of ruling cutter 6, be set at roughly angle in the 120 degree scopes of 15 degree～roughly such as bending part according to sheet plastic 1, promptly, the angle θ 1 of the bending ruling 2 that the bending part that will constitute at front face 1a, side surface part 1b, rear face 1c, the junction surface 1d by sheet plastic 1 forms and the angle θ 2 of ruling cutter 6 are set at roughly 43 degree, will the 1e of invagination portion with on the angle θ 1 of the bending ruling 2 that forms of the bending part of facial 1f and lower face 1g and the angle θ 2 of ruling cutter 6 be set at roughly 75 degree.

Above-mentioned pitch interval D is in case bigger than setting value, and then the edge strength of ruling cutter 6 descends, and the bending characteristic of sheet plastic 1 descends.In addition, in case pitch interval D is littler than setting value, then the intensity of blade descends, and can't obtain setting up enough effects of bending ruling 2, therefore preferably is set at the numerical value in the above-mentioned scope.

And, in case Aa, Ab, B, Ba, C, Ca are bigger than setting value, then be attached to the feel and the bending characteristic variation of the bending ruling 2 on the sheet plastic 1.In addition, in case littler than setting value, then the intensity of blade descends, and can't obtain setting up enough effects of bending ruling 2, therefore preferably is set at the numerical value in the above-mentioned scope.

And,, need apply big plus-pressure, processing difficulties when then setting up bending ruling 2 in case increase the incision angle θ 2 of ruling cutter 6.Sheet plastic 1 bends and out-of-flatness etc., mechanization bending difficulty.The bending characteristic of sheet plastic 1 descends.In addition, in case angle θ 2 is littler than setting value, then edge strength descends, and shorten service life, therefore preferably is set at the numerical value in the above-mentioned scope.

So long as the numerical value in above-mentioned scope, can be according to the wall thickness A of sheet plastic 1 or material, intensity, hardness etc., change the width of

blade part

7,8 of the

slot part

3,4 of bending ruling 2 and ruling cutter 6 and length, the degree of depth, highly, (pitch), angle etc. at interval, can set by required arrangement and combination.In addition, can form such as smooth curve form, roughly semicircle, roughly circular arc, roughly fan-shaped or roughly platform shape, the shape of a certain specific sectional shape such as quadrangle, general triangular or a plurality of combinations roughly.

And, can with the

blade part

7,8 of

bending slot part

3,4 of ruling 2 and ruling cutter 6 such as carry out a plurality of near or cut apart and arrange or form smooth curve form or form stepped or form state roughly the same or different in width and intersection.In addition, can form such as wrinkle apperance or little concavo-convex, roughly rope shape, the special shape of chain strip etc. roughly.

The accompanying drawing simple declaration

Fig. 1 is the exploded view that expression has the sheet plastic that bends ruling.

Fig. 2 is the stereogram of expression when sheet plastic is assembled into the container form.

Fig. 3 is the stereogram that is illustrated in the bending ruling that forms on the plastic tab.

Fig. 4 is vertical sectional view of the groove shape of expression bending ruling.

Fig. 5 is the vertical main cutaway view of the groove shape of expression bending ruling.

Fig. 6 is vertical sectional view of another groove shape of expression bending ruling.

Fig. 7 is vertical sectional view of the another groove shape of expression bending ruling.

Fig. 8 is the stereogram of expression sheet plastic with the ruling cutter.

Fig. 9 is the side view of the cutter portion shape of expression ruling cutter.

Figure 10 is vertical sectional view of expression ruling blade part shape.

Figure 11 is the side view of expression sheet plastic with another knife-edge shape of ruling cutter.

Figure 12 is the side view of expression sheet plastic with the another knife-edge shape of ruling cutter.

Figure 13 is the vertical view of the another groove shape of expression bending ruling.

Figure 14 is the stereogram of the bending ruling that forms on the sheet plastic of expression.

Figure 15 is the vertical view of the groove shape of expression bending ruling.

Figure 16 is that the A1-A1 alignment of the bending ruling of expression Figure 15 is looked cutaway view.

Figure 17 is that the B1-B1 alignment of the bending ruling of expression Figure 15 is looked cutaway view.

Figure 18 is that the C1-C1 alignment of the bending ruling of expression Figure 15 is looked cutaway view.

Figure 19 is the stereogram of expression sheet plastic with the ruling cutter.

Figure 20 is the side view of the knife-edge shape of expression ruling cutter.

Figure 21 is the point of a knife side view of the knife-edge shape of expression ruling cutter

Figure 22 is that the A2-A2 alignment of the ruling cutter of expression Figure 21 is looked cutaway view.

Figure 23 is that the B2-B2 alignment of the ruling cutter of expression Figure 21 is looked cutaway view.

Figure 24 is that the C2-C2 alignment of the ruling cutter of expression Figure 21 is looked cutaway view.

Figure 25 is the vertical view that is illustrated in another example of the bending ruling that forms hole portion between slot part.

Figure 26 is the vertical view of another example of the ruling cutter of formation projection between expression cutter portion.

Figure 27 is the vertical view of another example that expression is equipped with the bending ruling of a plurality of one group slot parts.

Figure 28 is the stereogram that is illustrated in the bending ruling that forms on the sheet plastic.

Figure 29 is vertical sectional view of expression bending ruling groove shape.

Figure 30 is the vertical view of expression bending ruling groove shape.

Figure 31 is vertical sectional view of expression bending ruling groove shape.

Figure 32 is the stereogram that the ruling cutter of bending ruling is set up in expression.

Figure 33 is the side view of the cutter portion shape of expression ruling cutter.

Figure 34 is the upward view of the cutter portion shape of expression ruling cutter.

Figure 35 is the longitudinal sectional view of the cutter portion shape of expression ruling cutter.

Figure 36 is expression and the side view that bends ruling and ruling cutter relative status.

Figure 37 is the side view of another example of expression bending ruling and ruling cutter.

Figure 38 is the side view of the another example of expression bending ruling and ruling cutter.

Figure 39 is the approximate vertical view of the another example of expression bending ruling and ruling cutter.

Figure 40 is the approximate vertical view of the another example of expression bending ruling and ruling cutter.

The preferred forms of invention

Below utilize accompanying drawing that embodiments of the invention are explained.

Fig. 1 and even Figure 13 represent to be used to lay the bending ruling sheet plastic 1 of packing container of article and sheet plastic the 1st embodiment with ruling cutter 6, among Fig. 1, this sheet plastic 1, constitute such as the transparent or semitransparent plastics sheeting that is about 0.3mm by thickness, plastic thin plate molding is become the shape of packing container (with reference to Fig. 2) expansion, or utilize ruling cutter 6 described later after the molding, form the bending ruling 2 of concavity at bending part, this bending part comprises: from the front, and the facial 1b of the left and right sides that links to each other with the both side edges portion of the front face 1a with essentially rectangular; The rear face 1c that links to each other with the margo dexter portion of a side side surface part 1b; The junction surface 1d that links to each other with the margo dexter portion of rear face 1c; The 1e of invagination portion that links to each other with the last lower edge of side surface part 1b; Last facial 1f that links to each other with the rising wood of front face 1a and the lower face 1g that links to each other with lower edge; The kink 1h that links to each other with last facial 1f and lower face 1g.In addition, also can be arranged on the support (not shown) that links to each other with the rising wood of rear face 1c with being used to hang the hole portion (not shown) that establishes the sheet plastic 1 that has been assembled into the container form.

Be attached to the bending ruling 2 of the bending part of above-mentioned sheet plastic 1, extremely shown in Figure 6 as Fig. 3, from length direction, with predetermined angular tilt and a pair of side surface part 2a of face-off mutually and with side surface part 2a, the distolateral continuous bottom surface sections 2b of 2a forms roughly V font, length direction along the bottom surface sections 2b that bends ruling 2, form the shallow slot portion 3 of the regulation ratio more shallow than the depth capacity of bending ruling 2 with the interval of regulation, simultaneously along

shallow slot portion

3,3 bottom surface sections 2b forms the deep trouth portion 4 (among the embodiment being 4) of a plurality of regulation ratios darker than shallow slot portion 3 at length direction.And the wall thickness of bottom surface sections 2b forms such as the specific thickness in the 0.08mm scope of 0.3mm roughly～roughly.In addition, the groove number of deep trouth portion 4 is also variable more such as below 4 or more than 4.

And, see from the side, shallow slot portion 3 and deep trouth portion 4 forms has the cross sectional shape that roughly is semicircle shape or roughly circular-arc smooth curved surface, pitch interval A1 with shallow slot portion 3 is set at roughly 1.1mm simultaneously, the pitch interval B1 of deep trouth portion 4 is set at roughly 0.2mm, pitch interval B1a between shallow slot portion 3 and the deep trouth portion 4 is set at roughly 0.25mm, it is wide to set than deep trouth portion 4 width C 1 of shallow slot portion 3, set the width D 1 of deep trouth portion 4 narrower than shallow slot portion 3, the degree of depth E1 of shallow slot portion 3 is set at roughly 0.13mm, and the degree of depth F1 of deep trouth portion 4 is set at roughly 0.05mm.

And, the width G 1 of bottom surface sections 2b of bending ruling 2 is set in such as the Rack that is roughly in the 0.15mm scope of 0mm～roughly, the direction that the angle θ 1 of the bending ruling 2 that the bending part of the 1a of portion, side surface part 1b, rear face 1c, junction surface 1d is in front formed is set at relative regulation allows the angle (such as being roughly 43 degree) of bending, will the 1e of invagination portion with on the angle θ 1 of the bending ruling 2 that forms of the bending part of facial 1f and lower face 1g be set at the angle (such as being roughly 75 degree) that relative inner and the outside allow bending.And, can utilize ruling cutter 6 described later to set up bending ruling 2 according to the material of sheet plastic 1 and thickness, intensity, hardness etc., perhaps change this bending ruling 2 according to the shallow blade part 7 of ruling cutter 6 and combination and the degree of depth, the blade number etc. of dark blade part 8.

In addition, shallow slot portion 3 and deep trouth portion 4 be except such as roughly semicircle and roughly the circular arc, also can form the platform shape roughly and the groove shape of certain specific cross sectional shape such as quadrangle, general triangular or a plurality of combinations roughly.

Fig. 6 represents to bend another cross sectional shape of ruling 2, and the roughly pars intermedia between

shallow slot portion

3,3 forms one or more darker than shallow slot portion 3, more shallow than deep trouth portion 4 roughly moderate slot parts 5, and the degree of depth difference that forms of slot part 4,5.And, utilize the ruling cutter 6 (with reference to Figure 11) with the roughly corresponding cutting edge shape of this groove shape, the bending part of sheet plastic 1 is set up bent ruling 2, so can play effect and the effect roughly the same with the foregoing description.In addition, if between shallow slot portion 3 and deep trouth portion 4, then can the degree of depth of slot part 5 be changed arbitrarily.

Fig. 7 represents to bend the another cross sectional shape of ruling 2, sees from the side, and shallow slot portion 3 forms roughly platform shape, sees from the side, and deep trouth portion 4 forms roughly quadrangle and general triangular.And, utilize the ruling cutter 6 (with reference to Figure 12) with the roughly corresponding cutting edge shape of this groove shape, the bending part of sheet plastic 1 is set up bent ruling 2, so can play effect and the effect roughly the same with the foregoing description.

And above-mentioned relatively sheet plastic 1 is set up the sheet plastic that uses when bending ruling 2 ruling cutter 6, shown in Fig. 8,9,10, by a pair of side surface part 6a of the mutual face-off of tilting with predetermined angular with form roughly V font with the top part 6b of the distolateral narrow width that links to each other of

side surface part

6a, 6a, length direction along the top part 6b of ruling cutter 6, interval with regulation forms the shallow blade part 7 of approach, while forms a plurality of (among the embodiment being 4) blade part 8 darker than the approach of this shallow blade part 7 along the length direction of the top part 6b of 7,7 of shallow blade parts.In addition, also the blade number of dark blade part 8 can be changed into such as below 4 or more than 4.

And, by such as cutting equipments such as cylinder file or wires, shallow blade part 7 and dark blade part 8 be processed into see that from the side to have being of smooth surface roughly semicircle or roughly be the cross sectional shape of circular arc, simultaneously, the pitch interval A2 of the blade part 7 that approach is shallow is set at roughly 1.1mm, the pitch interval B2 of dark blade part 8 is set at roughly 0.2mm, the pitch interval B2a between shallow blade part 7 and the dark blade part 8 is set at roughly 0.25mm.

And, set the width C 2 of shallow slot portion 7 wideer than dark blade part 8, set the width D 2 of dark blade part 8 narrower than shallow blade part 7, the height E2 of shallow blade part 7 is set at roughly 0.13mm, the height F2 of dark blade part 8 is set at roughly 0.05mm.

And, the width G 2 of the top part 6b of ruling cutter 6 is set at Rack in the 0.15mm scope of 0mm roughly～roughly, the thickness H of ruling cutter 6 is set at specific thickness in the 2.0mm scope of 0.5mm roughly～roughly, and the incision angle θ of blade is set at roughly 43 degree.

In addition, shallow blade part 7 and dark blade part 8 be except such as roughly semicircle and roughly the circular arc, also can form roughly platform shape or a certain specific cross sectional shape such as quadrangle, general triangular or to a plurality of groove shape that make up roughly.

Figure 11 represents sheet plastic another cutting edge shape with ruling cutter 6, between

shallow blade part

7,7, formation is dark with the approach of regulation ratio shallow blade part 7, with the shallow roughly moderate blade part 9 of approach of the dark blade part 8 of regulation ratio, utilize the ruling cutter 6 of blade part 8,9 formation of this difference approach, the bending part of sheet plastic 1 is set up bending ruling 2 with reference to Fig. 6, so can play effect and the effect roughly the same with the foregoing description.In addition, if between shallow blade part 7 and dark blade part 8, then can the approach of blade part 9 be changed arbitrarily.

Figure 12 represents the another cutting edge shape of sheet plastic with ruling cutter 6, use and to see that from the side shallow blade part 7 is for platform shape roughly, see that dark blade part 8 is the ruling cutter 6 of quadrangle and general triangular roughly from the side, the bending part of sheet plastic 1 is set up bending ruling 2 with reference to Fig. 7, so can play effect and the effect roughly the same with the foregoing description.

Figure 13 represents shallow slot portion 3 and deep trouth portion 4 are arranged in relative length direction, the another groove shape of the bending ruling 2 of angular cross shape in accordance with regulations, utilization is by arranging the shallow blade part 7 of roughly corresponding angular cross and the ruling cutter 6 (not shown) that dark blade part 8 forms with this, the bending part of sheet plastic 1 is set up bending ruling 2, so can play effect and the effect roughly the same with the foregoing description.In addition, also the arrangement between shallow slot portion 3 and deep trouth portion 4 and shallow blade part 7 and the dark blade part 8 can be changed to acute angle or obtuse angle.

Below to utilizing above-mentioned sheet plastic with ruling cutter 6, the assemble method that sheet plastic 1 is set up the method for bending ruling 2 and set up the sheet plastic 1 of this bending ruling 2 explains.

At first, when setting up bending ruling 2, plastic thin plate is when carrying out molding by the molding cutter that is located at the template body or after the molding, with with corresponding pressure such as the wall thickness A of this sheet plastic 1 and material, intensity, hardness, with ruling cutter 6 shown in Figure 8 bending part by the front face 1a, the side surface part 1b that are pressed in sheet plastic shown in Figure 11, rear face 1c, junction surface 1d; And the 1e of invagination portion, go up the bending part of facial 1f, lower face 1g, form Fig. 3, Fig. 4, bending ruling 2 shown in Figure 5 at each bending part of sheet plastic 1.

And will set up the sheet plastic 1 that bends ruling 2, be assembled into the occasion of seeing container form in the form of a substantially rectangular from the side shown in Figure 2, with front face 1a, side surface part 1b, rear face 1c, junction surface 1d, the 1e of invagination portion, going up facial 1f, lower face 1g bends towards prescribed direction and angle along bending ruling 2, utilize junction surface 1d that binding agent will link to each other with a side side surface part 1b and the opposing party's side surface part 1b bonding fixing, with the 1e of invagination portion of lower edge side, go up facial 1f, lower face 1g and inwards bend and seal.

And, when laying article, temporarily lateral buckling is open outwardly with the 1e of invagination portion of upper limb side, last facial 1f, lower face 1g, close after having laid article, so can easily utilize automatically set-up box machine (not shown) to carry out assembling operation and utilize automatic resetting machine (not shown) to carry out the operation of laying of article.In addition, can utilize also that such as welding or high frequency welding etc. junction surface 1d to be carried out combination fixing.

As mentioned above, use the above-mentioned ruling cutter 6 of regulation sheet number, the bending ruling 2 that will form a plurality of deep trouth portion 4 between

shallow slot portion

3,3 is attached to the bending part of sheet plastic 1, so the stress of the face direction that relative sheet plastic 1 gives is littler than the value of the partial continuous state of wall thickness, can restrain generation crooked and that be uneven etc., but carry out to mechanization simultaneously the bending operation of sheet plastic 1 and the operation that is assembled into the container form, realize laborsavingization of operation and raise the efficiency.And the plus-pressure in the time of reducing to be affixed to bending ruling 2 on the sheet plastic 1 improves processability.

And,,, can prevent the fracture of sheet plastic 1 along bending ruling 2d so can keep bending required intensity because of interval in accordance with regulations forms the thicker shallow slot portion 3 of wall thickness.And, because of between

shallow slot portion

3,3, forming the thin deep trouth portion 4 of a plurality of wall thickness, but so high part of dispersing molecule density, obtain good bending characteristic and flexibility, and, sheet plastic 1 is bent into acute angle crack and big hole etc. can not take place yet,, can avoid damaged merchandise to be worth and hygiene even the hole occurs also because of the little foreign matter in aperture is difficult for invading.

And shallow slot portion 3 and deep trouth portion 4 are formed by smooth curved surface, and good hand touch can not hooked even touch with cloth and bark graft yet, and the appearance looks elegant of bending part, unshowy is so have splendid intention.

Figure 14 to Figure 27 represents to have the sheet plastic 1 that bends ruling and sheet plastic the 2nd embodiment with ruling cutter 6, be attached to the bending ruling 2 of the bending part of sheet plastic 1, extremely shown in Figure 180 as Figure 14, by tilt with predetermined angular and a pair of side surface part 2a of face-off mutually and with side surface part 2a, the distolateral continuous bottom surface sections 2b of 2a forms roughly V font, length direction along the bottom surface sections 2b that bends ruling 2, the shallow slot portion 3 of the regulation ratio that the depth capacity of a plurality of ratio bending of continuous formation rulings 2 is shallow, simultaneously set up the angle (such as 30 degree roughly) that the roughly same direction of direction g (directions different with overbending direction) is inclined to regulation towards the ruling of relative bending ruling 2, overlook and see, roughly be the rope apperance and arrange.And the wall thickness of bottom surface sections 2b forms such as the specific thickness in the 0.3mm scope of 0.08mm roughly～roughly.

And, slot part 3 is with respect to incline direction, be the groove shape that shoals gradually towards both ends from central portion, see from the side, when forming roughly semicircular smooth surface, the degree of depth a1 of slot part 3 is set at roughly 0.1mm, degree of depth b1 is set at roughly 0.01mm, and width c1 is set at roughly 0.5mm, and the pitch d1 of paddy portion is set at roughly 0.3mm, angle e1 is set at roughly 75 degree, and the angle of inclination f1 that sets up direction g with respect to ruling is set at roughly 30 degree.

And the sheet plastic that uses when setting up above-mentioned bending ruling 2 is with ruling cutter 6, extremely shown in Figure 24 as Figure 19, by a pair of side surface part 6a of the mutual face-off of tilting with predetermined angular and with side surface part 6a, the top part 6b of the distolateral continuous narrow width of 6a forms roughly V font, length direction along the top part 6b of ruling cutter 6, form a plurality of blade parts 7 that are the concavity cross sectional shape of seeing from the side, simultaneously set up the angle (such as 30 degree roughly) that the roughly same direction of direction g (directions different with overbending direction) is inclined to regulation, see that from the point of a knife side being roughly the rope apperance arranges towards the ruling of relative ruling cutter 6.

And, utilization is such as the topping machanism of cylinder file or wire etc., make blade part 7 form the groove shape that shoals gradually towards two ends from central portion with respect to incline direction, see from the side, machining becomes to have the roughly semicircle of smooth surface, simultaneously, the height a2 of blade part 7 is set at roughly 0.1mm, height b2 is set at roughly 0.01mm, width c2 is set at roughly 0.5mm, point of a knife pitch d2 is set at roughly 0.3mm, incision angle e2 is set at such as the angle (roughly 75 degree) in the 120 degree scopes of 20 degree roughly～roughly, the angle of inclination f2 that sets up direction g with respect to ruling is set at roughly 30 degree, and the thickness h of ruling cutter 6 is set at specific thickness in the 2.0mm scope of 0.5mm roughly～roughly.

But, can constitute the slot part 3 of bending ruling 2 and constitute each size (such as the degree of depth, highly, width, angle etc.) of the blade part 7 of ruling cutter 6 according to changes such as the material of sheet plastic 1 and thickness, intensity, hardness.

Above-mentioned bending ruling 2 is attached to the occasion of the bending part of sheet plastic 1, roughly the same with the 1st embodiment, use above-mentioned ruling cutter 6, the bending ruling 2 that shallow slot portion 3 is arranged by rope apperance roughly is attached to the bending part of sheet plastic 1, so can play effect and the effect roughly the same with the 1st embodiment.And the little and relative ruling of the jump between the slot part 3 is set up direction, so even hand along the bending part contact of sheet plastic 1, does not almost have rough sense, the good hand touch of packing container yet.And, can not hook even contact with clothes yet, burst at the seams in the part of clothes or bend the local damage of ruling 2.

And, setting up the part of slot part 3 pushes open towards oblique, the molecular density of this part can not increase, even the part (dark part) of wall thickness is applied bending power also to be difficult for breaking, even the little sheet plastic 1 of percentage elongation as direct decomposability plastics can simply easily bend the processing of ruling 2.In addition, even having produced be full of cracks and hole etc. or bending ruling 2 forms to such an extent that too deeply almost will produce be full of cracks and hole etc., slot part 3 is deformed into closely contact of flat during also because of bending, so be difficult for invading such as foreign matters such as rubbish or moisture, can guarantee hygiene and commodity value.

And, be that the center bends with bending ruling 2 with the part of 2 place's wall thickness of forming in its bottom surface sections 2b both sides, bend and compare not easy fracture, the bending that can be well on so carry out 1 place with the bottom central part that conventional example will bend ruling like that.In addition, the volume of slot part 3 and thickness, sectional area are more than 1 times of bending ruling 2 that the sheet plastic 1 (spy opens flat 10-193450 communique) of conventional example forms, so improved durability, can repeat many times assembling and expansion.

Figure 25 is that expression makes the 4a of hole portion of the substantially elliptical that connects at thickness direction tilt with the roughly same angle of slot part 3 and another example of the bending ruling 2 of parallel and the bottom surface sections 2b formation between this slot part 3, utilize shown in Figure 26, corresponding with the 4a of this hole portion projection 8a to be formed at the ruling cutter 6 of the top part 6b between the blade part 7, bending part at sheet plastic 1 forms bending ruling 2, so can play effect and the effect roughly the same with the foregoing description.And when sheet plastic 1 was bent, the 4a of hole portion of bending ruling 2 was deformed into flat and closely contact, so can prevent the intrusion such as foreign matters such as rubbish or moisture.In addition, the 4a of hole portion is formed such as ball shape roughly or required shape such as square shape roughly, or be separated by 1 or a plurality of formation of being separated by.

Figure 27 represents the another example of a plurality of one group slot part 3 by the bending ruling 2 of the predetermined distance arrangement of being separated by, utilize the ruling cutter of arranging at the predetermined distance of being separated by with these slot part 3 corresponding, a plurality of one group blade parts 76 (not shown), each bending part at sheet plastic 1 forms this bending ruling 2, so can play effect and the effect roughly the same with the foregoing description.In addition, the arrangement of slot part 3 and blade part 7 is not limited to the continuously arranged situation shown in the foregoing description.And as long as the size in the scope of the angle of afore mentioned rules and regulation, but also each pitch changes the degree of depth of slot part 3 and blade part 7 and height, width, length, angle etc.

Figure 28 to Figure 40 represents to have the sheet plastic 1 that bends ruling and sheet plastic the 3rd embodiment with ruling cutter 6, be attached to the bending ruling 2 of the bending part of sheet plastic 1, extremely shown in Figure 31 as Figure 28, with predetermined angular tilt and a pair of side surface part 2a of face-off mutually and with side surface part 2a, the distolateral continuous bottom surface sections 2b of 2a forms roughly V font, bottom surface sections 2b along bending ruling 2, form more shallow with the predetermined distance of being separated by at length direction than the bottom surface sections 2b of bending ruling 2, see the shallow slot portion 3 that is the general planar shape from the side, simultaneously along shallow slot portion 3, bottom surface sections 2b between 3 forms a plurality of (among the embodiment being 4) at length direction and has and this slot part 3 roughly the same degree of depth, see the slot part 4 that is the smooth surface shape from the side.

And, the wall thickness E of bottom surface sections 2b is formed such as the specific thickness in 10 mu m ranges of 5 μ m roughly～roughly.In addition, also the number of slot part 4 can be changed into such as below 4 or more than 4.Utilize ruling cutter 6 described later to set up and corresponding bending rulings 2 such as the wall thickness A of sheet plastic 1 and material, intensity, hardness, this bending ruling 2 can change with combination or the degree of depth, the blade number etc. of the

blade part

7,8 of ruling cutter 6.

And, it is narrow or be set at roughly the same width (roughly 0.15mm) shown in Figure 39 (a) that the width Ab of slot part 4 is set at width Aa than slot part 3, the length B of slot part 3 is set at roughly 0.5mm, the length C of slot part 4 is set at roughly 0.8mm, the pitch interval D of slot part 4 is set at roughly 0.2mm, the pitch interval of slot part 3 is set greatlyyer than the pitch interval D of above-mentioned slot part 4, and the depth B a of slot part 3 and the degree of depth Ca of slot part 4 are set at roughly 0.08mm.

And the sheet plastic that uses when setting up above-mentioned bending ruling 2 is with ruling cutter 6, extremely shown in Figure 35 as Figure 32, by a pair of side surface part 6a of the mutual face-off of tilting with predetermined angular and with side surface part 6a, the top part 6b of the distolateral continuous narrow width of 6a forms roughly V font, top part 6b along ruling cutter 6, more shallow than the top part 6 of ruling cutter 6 at length direction with the interval formation approach of regulation, have and see the blade part 7 that is the general planar shape from the side, simultaneously along

shallow blade part

7,7 top part 6b forms a plurality of (among the embodiment being 4) at length direction and has the height roughly the same with this blade part 7, see the blade part 8 that is the smooth surface shape from the side.In addition, also the blade number of dark blade part 8 can be changed into such as below 4 or more than 4.

Promptly, by topping machanism such as cylinder file or wire etc., with

blade part

7,8 are processed into and see from the side when being the smooth surface shape, it is narrow or be set at roughly the same width (roughly 0.15mm) shown in Figure 39 (a) that the width Ab of blade part 8 is set at width Aa than blade part 7, the length B of blade part 7 is set at roughly 0.5mm, the length C of blade part 8 is set at roughly 0.8mm, the pitch interval D of blade part 8 is set at roughly 0.2mm, the pitch interval of blade part 7 is set greatlyyer than the pitch interval D of above-mentioned blade part 8, and the depth B a of blade part 7 and the degree of depth Ca of blade part 8 are set at roughly 0.08mm.

And, the angle θ 2 that will form the ruling cutter 6 of bending ruling 2 to the bending part of front face 1a, the side surface part 1b of sheet plastic 1, rear face 1c, junction surface 1d is set at roughly 43 degree, will be set at roughly 75 degree to the ruling cutter 6 angle θ 2 that the 1e of invagination portion, the bending part of going up facial 1f, lower face 1g form bending ruling 2.In addition, among the embodiment, the wall thickness H of ruling cutter 6 is set at such as 0.7mm roughly, but is not limited to this numerical value, the following and above wall thickness H of 0.7mm roughly of also variable more roughly 0.7mm.

Above-mentioned bending ruling 2 is attached to the occasion of the bending part of sheet plastic 1, roughly the same with the 1st embodiment, use above-mentioned ruling cutter 6, form at the bending part of sheet plastic 1, so can play effect and the effect roughly the same with the 1st embodiment.And, the

blade part

7,8 that is attached to the

slot part

3,4 of the bending ruling 2 on the sheet plastic 1 and ruling cutter 6 is with the degree of depth of the corresponding ratio of wall thickness A of sheet plastic 1 and highly form, so it is little to give the stress of face direction of sheet plastic 1, can prevent that generation and filming of this part printing crooked and that be uneven etc. from peeling off.And the jump of

slot part

3,4 is little and smooth, so even hand contacts with the bending part of sheet plastic 1, also almost do not have rough sense, good hand touch.And, can not hooked by cloth, skin etc., the appearance looks elegant of bending part is so have splendid intention.

And, the both sides of bottom surface sections 2b with bending ruling 2 are that the center bends, so carrying out 1 place with the bottom central part that conventional example will bend ruling like that bends and compares not easy fracture, the bending ruling of the wall ratio conventional example of long slot part 3 is big, so guaranteed to bend required intensity, many times assembling and expansion can be repeated, the bending operation and the assembling operation of sheet plastic 1 can be carried out to mechanization simultaneously.

And, a plurality of different slot parts of

length

3,4 that are combined to form, the part that molecular density is high is dispersed into a plurality of, even the direct decomposability plastics that percentage elongation is little, also can simply easily bend the processing of ruling 2, obtain corresponding good bending characteristic and flexibility with the wall thickness A of sheet plastic 1.In addition, sheet plastic 1 is bent into acute angle also can produce crack and big hole etc., also be controlled at minimumly even produce the hole, foreign matter is difficult for invading, and can guarantee hygiene and commodity value.

During with plastic thin plate molding, the relative sheet plastic 1 of the top part 6b of ruling cutter 6 is pushed with the face contact, so pressing position is difficult for displacement, can correctly sets up reliably and bend ruling 2.And, even specific ruling cutter 6 is pushed earlier, the repulsive force that this part produces pushes back ruling cutter 6, the pressed state of pushing and push balance with being modified to whole ruling cutter 6 approximate equalities, and the integral body of sheet plastic 1 is roughly set up equably and is bent ruling 2 relatively.

Figure 37 represents to bend another example of ruling 2 and ruling cutter 6, and the slot part 3 of left end is darker than slot part 4 among the figure, and the blade part 7 relative with this slot part 3 is darker than blade part 8.The slot part 3 of central authorities is darker than slot part 4, and the blade part 7 relative with this slot part 3 is darker than blade part 8.The slot part 3 of right-hand member is longer than the spread length of slot part 4, and the blade part 7 relative with this slot part 3 is longer than the spread length of blade part 8.Utilize this ruling cutter 6, on sheet plastic 1, form bending ruling 2, so can play effect and the effect roughly the same with the foregoing description.And the length B of slot part 3 and blade part 7 also can form longlyer than the length C of slot part 4 and blade part 8.In addition, also can use ruling cutter 6 to form bending ruling 2 with

specific blade part

7,8.

Figure 38 represents to bend the another example of ruling 2 and ruling cutter 6, the slot part 3 of left end and blade part more than 7 are individual near arranging or being slit into a plurality of by joint-cutting and slot part among the figure, the slot part 3 of central authorities and blade part 7 form smooth curve form, the slot part 3 of right-hand member and blade part 7 form jump at length direction, utilize this ruling cutter 6, on sheet plastic 1, form bending ruling 2, so can play effect and the effect roughly the same with the foregoing description.Also can form certain specific slot part 3 and blade part 7.

Figure 39 represents to bend the another example of ruling 2 and ruling cutter 6, and (a) among the figure makes width Aa, the Ab of

slot part

3,4 and

blade part

4,8 form roughly the same width.(b) among the figure makes slot part 4 and blade part 8 form the predetermined angular crossing condition that relative ruling is set up direction.(c) among the figure makes slot part 4 and blade part 8 such as form the state that intersects with predetermined angular as diamond-shaped.Utilize the ruling cutter 6 of above-mentioned (a) and (b), (c), on sheet plastic 1, form bending ruling 2, so can play effect and the effect roughly the same with the foregoing description.

Figure 40 represents to bend the another example of ruling 2 and ruling cutter 6, and (a) among the figure forms such as wrinkle apperance or little concavo-convex etc. special

shape slot part

3,4 and blade part 7,8.That is, the pitch interval D of the height Cb of the degree of depth Ca of slot part 4 and blade part 8 and slot part 4 and blade part 8 is set at the numerical value in the above-mentioned scope.In addition, also can in slot part 3 and blade part 7, form above-mentioned wrinkle apperance and little concavo-convex etc.

And (b) among the figure forms 1 or many at length direction roughly to be cord-like or the roughly slot part 4 and the blade part 8 of special shape such as chain form such as having.Utilize the bending ruling 2 of above-mentioned (a) and (b), on sheet plastic 1, form bending ruling 2, so can play effect and the effect roughly the same with the foregoing description.

And, additive method as the above-mentioned bending ruling 2 of processing, process by the bending part that is pressed in sheet plastic 1 such as the ruling cutter 6 that will be heated to set point of temperature, also rotation ruling cutter discoideus or roughly ring-type (not shown) roughly can be rotated processing by being pressed on the sheet plastic 1.

And, bending ruling 2 can be attached on the sheet plastic 1 of constituent ratio such as form pillow packs container or various containers such as general triangular, substantially elliptical, also can form many parallel shapes to the bending part of sheet plastic 1, its purposes also not only is confined to the sheet plastic that is assembled into the container form 1 of embodiment.

Because being the bending ruling that will form a plurality of deep trouth portion between shallow slot portion, the present invention is attached on the sheet plastic, so it is little to give the state of partial continuous of face direction stress ratio wall thickness of sheet plastic, generation crooked and that be uneven and wait be can restrain, but the bending operation of sheet plastic and the operation that is assembled into the container form carried out to mechanization simultaneously.And the plus-pressure in the time of reducing to be attached to the bending ruling on the sheet plastic improves processability.

And, between shallow slot portion, form the thin deep trouth portion of a plurality of wall thickness, but so high part of dispersing molecule density, obtain good bending characteristic and flexibility, and, sheet plastic is bent into acute angle crack and big hole etc. can not take place yet,, can prevent that damaged merchandise is worth and hygiene even the hole occurs also because of the little foreign matter in aperture is difficult for invading.

And, among the present invention, a plurality of shallow slot portion is the bending ruling that rope apperance roughly arranges is attached on the sheet plastic, and the little and relative ruling of the jump between the slot part is set up direction, even so hand does not almost have rough sense, good hand touch along the bending part contact of sheet plastic yet.And, can not hook even contact with clothes yet, burst at the seams in the part of clothes or bend the local damage of ruling.

And, set up the part of slot part and push open towards oblique, the molecular density of this part can not increase, and can not break even the part (dark part) of wall thickness is applied bending power yet, even the sheet plastic that percentage elongation is little also can simply easily bend the processing of ruling.In addition, even form to such an extent that too deeply almost will produce be full of cracks and hole etc. such as having produced be full of cracks and hole etc. or bending ruling, slot part is deformed into closely contact of flat during also because of bending, so be difficult for invading such as foreign matters such as rubbish or moisture, can guarantee hygiene and commodity value.

And, among the present invention, set up the blade part of the ruling cutter of the bending slot part of ruling and this bending ruling, with with the degree of depth of the corresponding ratio of wall thickness of sheet plastic and highly form, or on the slot part of bending ruling, the relative length direction forms a plurality of convex shaped parts littler than this slot part, so it is little to give the stress of face direction of sheet plastic, can prevent that generation and filming of this part printing crooked and that be uneven etc. from peeling off.And the jump of slot part is little and smooth, so even hand touches the bending part of sheet plastic, also almost do not have rough sense, good hand touch.And, can not hooked by cloth, skin etc., the appearance looks elegant of bending part is so have splendid intention.

And, the part of 2 place's wall thickness that the bending ruling is formed with the both sides of its bottom surface sections is that the center bends, so carrying out 1 place with the bottom central part that conventional example will bend ruling like that bends and compares not easy fracture, the bending ruling of the wall ratio conventional example of long slot part is big, so guaranteed to bend required intensity, many times assembling and expansion can be repeated, the bending operation and the assembling operation of sheet plastic can be carried out to mechanization simultaneously.

And, a plurality of different slot parts of length that are combined to form, the part that the molecular density of sheet plastic increases is disperseed, the pressing force and the contact resistance of required ruling cutter in the time of can reducing greatly to set up the bending ruling, even the direct decomposability sheet plastic that percentage elongation is little, also can simply easily bend the processing of ruling, obtain and the wall thickness of sheet plastic corresponding good bending characteristic and flexibility.

Claims

1. one kind has the sheet plastic that bends ruling, set up the bending ruling of concavity, this concavity bending ruling by a pair of side surface part of the mutual face-off of tilting with predetermined angular with constitute with the bottom surface sections of a distolateral narrow width that links to each other of this side surface part, its characteristics are

Along the bottom surface sections of described bending ruling, the interval with regulation forms shallow slot portion in the longitudinal direction, and

Along the bottom surface sections between described each shallow slot portion, form a plurality of at length direction than the dark slot part of described shallow slot portion.

2. the sheet plastic that bends ruling that has according to claim 1 is characterized in that, described each deep trouth portion forms the different degree of depth.

3. the sheet plastic that bends ruling that has according to claim 1 is characterized in that, the bottom surface sections between described shallow slot portion, form than this shallow slot portion deeply, the roughly moderate slot part more shallow than deep trouth portion.

4. sheet plastic ruling cutter uses when the bending part of sheet plastic being set up the bending ruling, have with predetermined angular tilt and a pair of side surface part of face-off mutually with the top part of a distolateral narrow width that links to each other of this side surface part, its characteristics are,

Along the top part of described ruling cutter, form the shallow blade part of approach at length direction with the interval of regulation, and along the top part between described each shallow blade part, form a plurality of dark blade parts of approach at length direction than described shallow blade part.

5. sheet plastic ruling cutter according to claim 4 is characterized in that, described each shallow blade part is set at different approaches.

6. sheet plastic ruling cutter according to claim 4 is characterized in that, the top part between described shallow blade part, form than the approach of this shallow blade part deeply, than the shallow roughly moderate blade part of approach of described dark blade part.

7. sheet plastic or the described sheet plastic of the claim 4 ruling cutter that bends ruling that have according to claim 1, it is characterized in that described dark slot part and dark blade part are set at the size than described shallow slot part and the shallow dark regulation ratio of blade part.

8. one kind has the sheet plastic that bends ruling, set up the sheet plastic of the bending ruling of concavity, this concavity bending ruling by tilt with predetermined angular and a pair of side surface part of face-off mutually with constitute with the bottom surface sections of a distolateral narrow width that links to each other of this side surface part, its characteristics are

Bottom surface sections total length, formation at this bending ruling are a plurality of than the shallow slot part of described bending ruling, and

Described slot part is set up direction with respect to the ruling of described bending ruling and is tilted with the angle of regulation and be arranged in roughly rope apperance.

9. the sheet plastic that bends ruling that has according to claim 8 is characterized in that, the bottom surface sections between described slot part is formed on the hole portion that thickness direction runs through the bottom surface sections of described bending ruling.

10. the sheet plastic that bends ruling that has according to claim 8 is characterized in that, each size of described slot part is set at and comprises the size that is suitable in the prescribed limit of described sheet plastic bending.

11. a sheet plastic ruling cutter uses during ruling the bending part of sheet plastic being set up bending, have with predetermined angular tilt and a pair of side surface part of face-off mutually with the top part of a distolateral narrow width that links to each other of this side surface part, its characteristics are,

At the top part total length of described ruling cutter, the blade part of a plurality of concavities of formation, and

The direction of setting up the ruling of the described relatively bending ruling of described blade part tilts with predetermined angular and is arranged in roughly rope apperance.

12. sheet plastic according to claim 11 ruling cutter is characterized in that, the top part between described blade part is formed on the projection that thickness direction runs through the bottom surface sections of described bending ruling.

13. sheet plastic according to claim 11 ruling cutter is characterized in that, each size of described blade part is set at the size that comprises in the prescribed limit that is suitable for forming the bending ruling of setting up on the described sheet plastic.

14. one kind has the sheet plastic that bends ruling, set up the sheet plastic of the bending ruling of concavity, this concavity bending ruling by tilt with predetermined angular and a pair of side surface part of face-off mutually with constitute with the bottom surface sections of a distolateral narrow width that links to each other of this side surface part, its characteristics are

Along the bottom surface sections of described bending ruling, in the longitudinal direction with the interval formation of regulation and the slot part of the corresponding degree of depth of wall thickness of described sheet plastic,

Along the bottom surface sections between described slot part, length direction form a plurality of length direction than described slot part short and with the slot part of the corresponding degree of depth of wall thickness of described sheet plastic.

15. the sheet plastic that bends ruling that has according to claim 14 is characterized in that described slot part forms the roughly the same or different degree of depth.

16., it is characterized in that described slot part forms smooth curve form according to claim 14 or the 15 described sheet plastics that bend ruling that have.

17., it is characterized in that each one of described slot part is set at the size in the prescribed limit that comprises with the corresponding and suitable bending of wall thickness of described sheet plastic according to claim 14, the 15 or 16 described sheet plastics that bend ruling that have.

18. a sheet plastic ruling cutter uses during ruling the bending part of sheet plastic being set up bending, have with predetermined angular tilt and a pair of side surface part of face-off mutually with the top part of a distolateral narrow width that links to each other of this side surface part, its characteristics are,

Along the top part of described ruling cutter, form with the interval of regulation and the blade part of the corresponding height of wall thickness of described sheet plastic at length direction,

Along the top part between described blade part, length direction form a plurality of length directions than described blade part short and with the blade part of the corresponding height of wall thickness of sheet plastic.

19. sheet plastic according to claim 18 ruling cutter is characterized in that described blade part forms roughly the same or different height.

20., it is characterized in that described blade part forms smooth curve form according to claim 18 or 19 described sheet plastic ruling cuttves.

21., it is characterized in that each one of described blade part is set at the size in the prescribed limit that comprises with the described bending ruling of the corresponding and suitable formation of the wall thickness of described sheet plastic according to claim 18,19 or 20 described sheet plastic ruling cuttves.