CN1392087A - Plate shape body transport box, foam forming method and foam forming device - Google Patents
Plate shape body transport box, foam forming method and foam forming device Download PDFInfo
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- CN1392087A CN1392087A CN02122140A CN02122140A CN1392087A CN 1392087 A CN1392087 A CN 1392087A CN 02122140 A CN02122140 A CN 02122140A CN 02122140 A CN02122140 A CN 02122140A CN 1392087 A CN1392087 A CN 1392087A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/48—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for glass sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/36—Removing moulded articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
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- Moulds For Moulding Plastics Or The Like (AREA)
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Abstract
A plate-like body carrying box is provided, including a thermoplastic resin foam body and lid body formed of foam beads of a thermoplastic resin, in which the body has a depth of more than 400 mm, a plurality of grooves for supporting the plate-like bodies are formed at least in a set of facing inner side surfaces of inner side surfaces are formed in the vertical direction, the grooves are formed in a taper of 1/1,000 to 5/1,000 from a slightly wide opening side to a slightly narrow bottom part side. In the foam forming method of box foam forming, middle molds contacting with a core mold and forming drafts with the core mold are first provided on at least one pair of side surfaces in the opposing surfaces of the core mold, and after a foamed body is formed the middle molds are forced to move a short distance along the drafts between the middle molds and two side surfaces of the core mold under the condition that the foamed body and a cavity mold will not separate, and after that the foamed body together with the cavity mold are pulled out of the core mold while the middle mold is prohibited from moving and finally finished the mold release. A foam forming apparatus for forming the foam-formed box is provided.
Description
Technical field
The present invention relates to a kind of plate shape body transport box, in more detail, relate to a kind of stable carrying case of packing into of high precision substrate such as plasma scope that is applicable to.In addition, the foam forming method and the foam forming device that relate to a kind of plate shape body transport box class case-shaped foam formed products.
Background technology
To have the plate shape body transport box in the past that substrates such as high-precision plasma scope are packed into one by one and transported in the groove, and for example specially permit in No. 2552625 communique in Japan and put down in writing.
This carrying case is that the synthetic resin foaming body is made, and the longitudinal groove of the plasma display substrate of can packing into singly (to call the PDP substrate in the following text) etc. forms on one group of relative inner face in the case medial surface.This case is no problem concerning shallow case, but to being used for the dark case of large-scale PDP substrate, the pattern draft when being shaped, the size difference up and down of groove is very big, therefore the PDP substrate is difficult to stably pack into, the PDP substrate does not line up in the transportation, or the narrow place of undercut have only the PDP substrate below the part contact with trench wall, contact area concentrates on certain part, cause damage, absorption dust, or foam forming product friction generation comminuted powder may produce bad influence to PDP substrate performance thus.Therefore, need remove pattern draft, or remove pattern draft as far as possible, but existing foaming and molding can not satisfy this requirement.
Summary of the invention
Therefore, the purpose of this invention is to provide does not a kind ofly have above-mentioned pattern draft, or does not almost have the expansion-molded article carrying case that tabular bodys such as PDP substrate are packed into that is applicable to of pattern draft.
In addition, the purpose of this invention is to provide a kind of shaping does not have above-mentioned pattern draft, or does not almost have the foam forming method and the foam forming device that are applicable to the expansion-molded article that tabular bodys such as PDP substrate are packed into of pattern draft.
The feature of the plate shape body transport box of the present invention that solves the problems of the technologies described above is that claim 1 is described, for using by the body of the thermoplastic resin foam manufacturing of foaming of thermoplastic resin foam forming and the carrying case that lid constitutes, wherein the degree of depth of body is more than the 400mm, form a plurality of tabular bodys support grooves in its medial surface on opposed one group of medial surface along the vertical direction, this groove open side leniently forms 1/1000～5/1000 gradient shape to narrow bottom.
Here, 1/1000～5/1000 gradient shape represents that to the vertical direction 1000mm of body, horizontal direction is 1～5mm ratio inclination body outside.In other words, when the angle of groove and perpendicular line is θ, 1/1000≤tan θ≤5/1000, and goods in the past are the scope of 10/1000≤tan θ≤20/1000.The preferred tan θ of the present invention scope is 1/1000～3/1000.
Like this, have at body on the body medial surface of the above degree of depth of 400mm, form the groove of 1/1000～5/1000 minimum gradient shape, so groove does not almost have size difference up and down, can be neat to tabular body with high precision PDP substrate etc., can stably pack into.
Particularly, feature of the present invention is as described in the claim 2, and the section shape that forms the groove left and right sides projection of trench portions is an echelon form, trapezoidal bottom is W1, the top is W2, when highly being H, satisfies (1) 1.5≤W1/W2≤2.5 (2) 3≤H/W2≤10 formulas.Therefore, the W1 of (1) formula, W2 was less than 1.5 o'clock, the filling of the preparation expanded particle of raw material is poor during foaming and molding, and surpasses at 2.5 o'clock, and the gradient of rising part is big, glide easily, in addition, H/W2 surpasses at 10 o'clock, with above-mentioned, the filling of preparation expanded particle is poor, less than 3 o'clock, rising part was too little, was difficult to accommodating plate-shaped body.Therefore need to satisfy the rising part of (1) (2) formula.
And feature of the present invention is as described in the claim 3, and the frothing foam of thermoplastic base resin is a styrene upgrading polyolefin series resin frothing foam.Like this, expansion-molded article is as the raw material of carrying case, and when utilizing above-mentioned frothing foam, formability is very good, and good carrying case can be provided, and can stably pack and transport tabular bodys such as high-precision PDP into.
For satisfying above-mentioned requirements, the feature of the foam forming method of the present invention that achieves the above object is as described in the claim 4, foam forming method for shaping box-shaped expansion-molded article, wherein, at least on opposed one group of two sides of core, be provided with core and form pattern draft mode bonded assembly transition type mutually, and during the demoulding after this transition type is shaped, with expansion-molded article and cavity type, after mobile a little with the pattern draft of core two sides, stopping under the state that transition type moves, expansion-molded article is followed cavity type, from the core side demoulding.
Invention according to aforesaid right requirement 4, pattern draft core and and core two sides bonded assembly transition type between form, when being shaped the back demoulding, along this pattern draft, transition type is with expansion-molded article and cavity type, mobile a little, inwardly slightly skew is foamed into the relative transition type generation slit (minimum slit) that is in the core outside with cavity type of new product thus, after stopping transition type and moving, expansion-molded article is followed cavity type, easily from the core side demoulding.By such demoulding, as be subordinated to the claim 5 of claim 4, can provide between transition type and the expansion-molded article and not have pattern draft, or almost do not form pattern draft, there is not gradient from least one group of medial surface of the case-shaped foam formed products of the cavity type demoulding, or almost do not have gradient, be applicable to packing into of tabular body.
In addition, as be subordinated to the claim 6 of claim 4 or 5, the bonded assembly cylinder mechanism carries out on osculant mobile restricted passage core and the transition type, and osculant thus mobile restriction can correctly be carried out.
And, as be subordinated to each the claim 7 of claim 4～6, utilize the sawtooth that forms along the expansion-molded article stripping direction on osculant one group of two sides relatively, on one group of relative medial surface of expansion-molded article, form groove, can provide thus to have to be applicable to the stable case-shaped foam formed products of tabular body one by one of packing into, transportation that is applicable to the high precision tabular bodys such as PDP substrate of packing into and the case of taking care of particularly can be provided.
Implement the foam forming device of above-mentioned foam forming method, adopt the invention of claim 8～11, can obtain being applicable to correctly and effectively implementing the concrete device of the foam forming method of aforesaid right requirement 4～7.
In addition, each the invention of claim 12 for being subordinated to claim 8～11 is characterized in that core and osculant pattern draft are 30/1000～70/1000, therefore the expansion-molded article medial surface is not given the part of any influence, can adopt sufficient pattern draft.Core and osculant pattern draft are preferably 30/1000～50/1000.
And, in being subordinated to each claim 13 of claim 8～12, it is characterized in that the pattern draft that forms between transition type lateral surface and the expansion-molded article is 1/1000～5/1000, pattern draft can be controlled in the small degree that the expansion-molded article medial surface is not given any influence.
Description of drawings
Fig. 1 is the block diagram of the case-shaped foam formed products of uncover state.
Fig. 2 is the cutaway view of front one side of cover lid state.
Fig. 3 is a part abridged planar view.
Fig. 4 is the cutaway view of side one side.
Fig. 5 is the planar view of the expansion of expression body trench portions.
Fig. 6 is the cutaway view before the demoulding in the foaming and molding.
Fig. 7 is the cutaway view to the demoulding of osculant demoulding scope.
Fig. 8 is the cutaway view in the knockout course.
Fig. 9 is the cutaway view from core demoulding state.
Figure 10 is expression core and osculant front view.
Figure 11 is for enlarging the simple cutaway view in part abridged of groove gradient.
Figure 12 is the part abridged block diagram of expression transition type slipper.
Nomenclature:
The A body; The a groove; The B lid; 1 adapter plate; 10 cores; 11,11 two sides; 20,20 transition types; 21 sawtooth; 30 cavity types; 40 cylinder mechanisms; 50 supporters; 51 grooves; 60 Embedded Divisions; 61 bottoms; 70 Embedded Divisions; 71 inner faces; 80 supporters.
The specific embodiment
Casehistory embodiments of the invention with reference to the accompanying drawings.
In Fig. 1 oblique drawing, A represents body, and B represents lid, as the foaming of thermoplastic resin foam of any raw material, preferably utilizes styrene upgrading polyolefin series resin frothing foam, carries out foaming and molding.Above-mentioned body A has the above degree of depth of 400mm, in its medial surface on one group of relative inner face, forms a plurality of tabular bodys and supports and use groove a.This groove a can only see groove a one side medial surface in the body A of Fig. 1, the same groove a that forms from the covering state cutaway view of Fig. 2 lid B, can clearly understand this viewpoint on the invisible medial surface.And 50 is supporters of the with groove 51 of embedding in the elongated Embedded Division 60 that forms on the bottom 61 of body A among the figure, and groove 51 can partly support the tabular body lower end of packing into.The 80th, the supporter of the with groove 81 that embeds in the elongated Embedded Division 70 that forms on inner face 71 sides of lid B, but groove 81 partially supported plate shape body P upper end.In fact, also can not possess supporter 50 and supporter 80, directly on the inner face 71 of the bottom 61 of body A and lid B, form groove and implemented.But because the supporter 50 and the supporter 80 of with groove separate shaping separately with body A and lid B, forming operation is easy thus, and pattern is Miniaturizable also, and the shaping expense is low.
In addition, Fig. 3 planar view illustrates, and the groove 51 of body A medial surface groove a and supporter 50 is as the groove use of packing into of tabular bodys such as PDP substrate.Fig. 4 represents that tabular body P packs between body A and the lid B.
It is that leniently open side forms 1/1000～5/1000 gradient shape to narrow bottom that the tabular body that forms on the above-mentioned body A medial surface supports with groove a, does not almost have gradient, almost not about size difference.Here, 1/1000～5/1000 gradient shape represents that to the vertical direction 1000mm of body, horizontal direction is 1～5mm ratio inclination body outside.In other words, when the groove a of Figure 11 and the angle of perpendicular line are θ, 1/1000≤tan θ≤5/1000.The tan θ of the present invention's one example is 1.5/1000.
As shown in Figure 5, the section shape that forms about the groove of above-mentioned groove a part as the projection 62 of rising part is that trapezoidal, trapezoidal bottom is W1, and the top is W2, when highly be H, and satisfied (1) 1.5≤W1/W2≤2.5 and (2) 3≤H/W2≤10 liang formula.
Therefore, when not satisfying above-mentioned (1) (2), the W1/W2 of (1) formula was less than 1.5 o'clock, the filling of the preparation expanded particle of the raw material during as foaming and molding is poor, and surpasses at 2.5 o'clock, and the gradient of rising part is big, glide easily, in addition, H/W2 surpasses at 10 o'clock, with above-mentioned, the filling of preparation expanded particle is poor, less than 3 o'clock, rising part was too little, was difficult to accommodating plate-shaped body.Therefore need to satisfy the rising part of (1) (2) formula.
In fact, W1=10～15mm preferably, W2=6.5～10mm, H=25～30mm scope, as W2 is 5≤W2≤15, and less than 5 o'clock, it was poor to be easy to generate as the filling of the preparation expanded particle of raw material, surpass at 15 o'clock, the thickness of rising part increases, and the tabular body conveying efficiency reduces.In addition, be 9≤W1≤20 as W1, less than 9 o'clock, it was poor to be easy to generate as the filling of the preparation expanded particle of raw material, surpassed at 20 o'clock, and the tabular body conveying efficiency reduces.In addition, be 20≤H≤40 as H, less than 20 o'clock, can not accommodating plate-shaped body, surpass at 40 o'clock, it is poor to be easy to generate as the filling of the preparation expanded particle of raw material.In addition, the minimum width W3 of groove a and the relation of tabular body thickness t be, t≤W3≤2t, and during less than t, the tabular body of can not packing into, when bigger than 2t, tabular body rocks fierceness in groove a, shakiness.
In addition, above-mentioned acrylic resin foam of the prior art, because the overall dimensions shrinkage percentage is big, therefore the poor dimensional precision of formed products, and the second time of foaming ability is little is difficult to be filled in narrow shape portion, needs special placement method.Compare with above-mentioned shortcoming, the styrene upgrading polyolefin series resin frothing foam that uses among the present invention has intensity than the acrylic resin foam of same frothing percentage.And than acrylic resin foam, the friction powder is few.
The styrene upgrading polyolefin series resin frothing foam that uses among the present invention is to immerse the polymerizing styrene series monomers in the polyolefin series resin particle and obtain.In fact, polyolefin is polyethylene in the resin that uses.
Utilize above-mentioned frothing foam, when carrying out the foaming and molding operation, implement in the following order.
1, in the styrene upgrading polyolefin series resin, immerses foaming agent, obtain expandable styrene upgrading polyolefin series resin with dry type or wet type.
2, make above-mentioned expandable styrene upgrading polyolefin series resin preparation foaming.
3, with the preparation expanded particle of above-mentioned expandable styrene upgrading polyolefin series resin, filling also is shaped in the form metal model.
In fact, as the foaming of thermoplastic resin foam of raw material, the expansion ratio of preferred styrene upgrading polyolefin series resin frothing foam (the trade name ピ オ セ ラ Application of Sekisui Plastics Co., Ltd.'s system) is 5～20.Wherein, during expansion ratio about 15 times, the frothing foam of preferred 2.3～3mm φ particle diameter accounts for more than 80%.
The big I of body A adopts multiple, for example, is length 1300mm * width 974mm * degree of depth 570mm.
The shaping embodiment of plate shape body transport box of the present invention is described with reference to the accompanying drawings.
Fig. 6～Fig. 9 represents knockout course in the foam forming method successively, is clipped planar view.1 is adapter plate among the figure, the 10th, and core, 20,20th, transition type, the 30th, cavity type, A are the case-shaped foam formed products.Below the relation of core 10, transition type 20 and cavity type 30 is explained.
On relative at least one group the two sides 11,11 of above-mentioned core 10, be provided with core 10 and form pattern draft mode bonded assembly transition type 20,20 mutually, do not have pattern draft between transition type 20 and the expansion-molded article A, or almost do not form pattern draft.
Therefore, above the pattern draft of core 10 and transition type 20, in the mode of the pattern draft that approaches common forming and form.
Then, pack partial depth into when being 400～1000mm at the case of expansion-molded article A, transition type 20 movings range are limited in about 100mm, and it moves and stops is to be undertaken by bonded assembly cylinder mechanism 40 between core 10 and the transition type 20.
Make the foam forming device mould assembly, filling thermoplastic base resin particle raw material in cavity, with heating mediums such as steam, the above-mentioned resin particle of heating and melting behind cavity forming expansion-molded article A, enters knockout course, by following order stripping.In addition, the supply mean of heating mediums such as the filling of above-mentioned raw materials, steam, identical with common foaming and molding omitted diagram.
(1) at first, from Fig. 6 state, transition type 20 is with expansion-molded article A and cavity type 30, along with the pattern draft of core 10, move (about 100mm) a little and stop as Fig. 7, at this moment, transition type 20 is accompanied by along pattern draft and moves, mobile a little at moving direction X and right angle orientation Y, and produce micro gap (gap) between expansion-molded article A.
(2) secondly, as shown in Figure 8, utilize above-mentioned micro gap, make cavity type 30, be moved further, break away from 10 1 sides of the core with transition type 20 of Fig. 9 fully with respect to the transition type 20 of halted state with expansion-molded article A.In addition, transition type 20 moves to the Z direction of adapter plate 1 by cylinder mechanism 40, gets back to the original position before the demoulding, waits for next time and be shaped circulation.
(3) in addition, the expansion-molded article A that moves with cavity type 30 breaks away from cavity type 30.
As mentioned above, and 10 of cores have the transition type 20 of pattern draft, only in the small distance of appointment, utilize this pattern draft, by with the expansion-molded article A and cavity type 30 demouldings, when the cavity type of following expansion-molded article A 30 demouldings thereafter, i.e. the demoulding to transition type 20 is easy, and the medial surface of expansion-molded article A does not need so big in the past pattern draft, do not have pattern draft, or almost do not form pattern draft and can yet.
When pattern draft was arranged, preferred numerical value was 1/1000～5/1000 gradient.
Here, 1/1000～5/1000 gradient represents, to the vertical directions X 1000mm of the case body of expansion-molded article A, horizontal Y direction is that 1～5mm ratio favours the outside.Changing the groove of case body and the angle of perpendicular line is θ) time, 1/1000≤tan θ≤5/1000, and goods in the past are 10/1000≤tan θ≤20/1000.The preferred tan θ of the present invention scope is 1/1000～3/1000.
Therefore, when tabular body is packed in the expansion-molded article case incorporating section into, there is not the difference in size of upper and lower opening portion and bottom, not skew, the tabular body of can stably packing into.
Particularly, form substrate among the present invention on the expansion-molded article case inside face and keep using groove a, avoid substrate to be in contact with one another.Form the mode of groove in the above-mentioned foam forming device, as the Figure 10 that looks from Fig. 9 arrow V direction in the foregoing description, can be on one group of relative lateral surface of transition type 20, stripping direction along expansion-molded article A forms sawtooth 21, have the transition type 20 of this sawtooth 21 by utilization, on one group of relative medial surface of expansion-molded article A, form groove a.
In addition, among Fig. 1, its another medial surface be cannot see in one group of medial surface, but also forms groove a on the invisible medial surface.B represents lid among Fig. 1.
In fact, as shown in figure 12, in order to make transition type 20 slick and sly moving by cylinder mechanism 40, a plurality of roller bearings 12 (roller) part is set on core 10, on transition type 20 inboards, form the cavity, the short track 22 of the above-mentioned roller bearing part 12 of sliding is set in the inside portion.
In addition, cylinder mechanism 40 is contained in barbed portion 13 places that form on the core 10, and an end penetrates into the outside of adapter plate 1, is connected with drive source, and the other end is fixed and remained on the protection part 23 of transition type 20.
As mentioned above; plate shape body transport box of the present invention; support the size difference up and down of using groove by significantly reducing tabular body; can stably pack and protect tabular bodys such as high precision PDP substrate and other high precision substrates into; when improving transportation and keeping stability; the tabular body of can packing into has effectively improved conveying efficiency.
In addition, by aforesaid foam forming method of the present invention and foam forming device, the medial surface of case-shaped foam formed products does not have pattern draft or does not almost form pattern draft, size difference is minimum up and down in the may command case medial surface, particularly when forming the foaming and molding of groove on the medial surface, also size difference is minimum up and down for the may command groove, can stably pack into and stably transport to have high-precision PDP substrate etc.
Claims (13)
1. plate shape body transport box, it is characterized in that, use by the body of the thermoplastic resin foam manufacturing of foaming of thermoplastic resin foam forming and the carrying case that lid constitutes, wherein the degree of depth of body is more than the 400mm, at least form a plurality of tabular bodys support grooves in its medial surface on opposed one group of medial surface along the vertical direction, this groove open side leniently forms 1/1000～5/1000 gradient shape to narrow bottom.
2. plate shape body transport box as claimed in claim 1 is characterized in that, the section form that forms the groove left and right sides projection of groove is that trapezoidal, trapezoidal bottom is W1, and the top is W2, when highly being H, satisfies following (1) (2) formula
(1)1.5≤W1/W2≤2.5
(2)3≤H/W2≤10。
3. plate shape body transport box as claimed in claim 1 or 2 is characterized in that, the frothing foam of thermoplastic base resin is a styrene upgrading polyolefin series resin frothing foam.
4. foam forming method, it is characterized in that, the foam forming method of case-shaped foam formed products, wherein, at least on opposed one group of two sides of core, be provided with core and form pattern draft mode bonded assembly transition type mutually, and during the demoulding after this transition type is shaped, with expansion-molded article and cavity type, after mobile a little with the pattern draft of core two sides, stopping under the state that transition type moves, expansion-molded article is followed cavity type, from the core side demoulding.
5. foam forming method as claimed in claim 4 is characterized in that, does not have pattern draft between transition type and the expansion-molded article, or does not almost form pattern draft.
6. as claim 4 or 5 described foam forming methods, it is characterized in that the bonded assembly cylinder mechanism carries out on osculant mobile restricted passage core and the transition type.
7. as each described foam forming method of claim 4～6, it is characterized in that, utilize the sawtooth that on osculant one group of two sides relatively, forms, on one group of relative medial surface of expansion-molded article, form groove along the expansion-molded article stripping direction.
8. foam forming device, it is characterized in that, the foam forming device of case-shaped foam formed products, wherein, on at least one group of relative two sides of core, be provided with core and form pattern draft mode bonded assembly transition type mutually, and during the demoulding after this transition type is shaped, with expansion-molded article and cavity type, can be along mobile a little with the pattern draft of core two sides, and cavity type is followed expansion-molded article, from the core side demoulding after stopping transition type and moving.
9. foam forming device as claimed in claim 8 is characterized in that, does not have pattern draft between transition type lateral surface and the expansion-molded article, or does not almost form pattern draft.
10. foam forming device as claimed in claim 8 or 9 is characterized in that, cylinder mechanism is set on the core, osculantly moves and stops carrying out.
11., it is characterized in that on osculant one group of relative lateral surface, forming sawtooth along stripping direction on the medial surface of expansion-molded article, forming groove as each described foam forming device of claim 8～10.
12., it is characterized in that the pattern draft that forms between core and the transition type is 30/1000～70/1000 as each described foam forming device of claim 8～11.
13., it is characterized in that the pattern draft that transition type lateral surface and expansion-molded article form is 1/1000～5/1000 as each described foam forming device of claim 8～12.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001165333A JP2002362676A (en) | 2001-05-31 | 2001-05-31 | Plate-like body carrying box |
| JP165333/2001 | 2001-05-31 | ||
| JP2001165332A JP2002355831A (en) | 2001-05-31 | 2001-05-31 | Method and apparatus for foaming |
| JP165332/2001 | 2001-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1392087A true CN1392087A (en) | 2003-01-22 |
| CN1318275C CN1318275C (en) | 2007-05-30 |
Family
ID=26616140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021221405A Expired - Fee Related CN1318275C (en) | 2001-05-31 | 2002-05-31 | Plate shape body transport box, foam forming method and foam forming device |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100599827B1 (en) |
| CN (1) | CN1318275C (en) |
| TW (1) | TW577850B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411961C (en) * | 2003-11-18 | 2008-08-20 | 网塑有限公司 | Hermetically sealed container for large-sized precision sheet (semi-) product |
| CN103069558A (en) * | 2010-09-17 | 2013-04-24 | 富士电机株式会社 | Wafer storing device, and wafer cassette storage case |
| CN111516969A (en) * | 2020-04-20 | 2020-08-11 | 安徽酷包科技有限公司 | Integrated EPS packing box for automobile front radiator grille assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63153119A (en) * | 1985-10-03 | 1988-06-25 | Sekisui Plastics Co Ltd | Method and apparatus for molding cup made of foamed resin |
| JPS637913A (en) * | 1986-06-28 | 1988-01-13 | Toto Ltd | Manufacture of frp molded product and equipment therefor |
| US5484561A (en) * | 1992-06-11 | 1996-01-16 | General Motors Corporation | Method of making a unitary inflatable restraint container |
| JP2552625B2 (en) * | 1993-11-09 | 1996-11-13 | 淀川化成株式会社 | Box for transporting glass substrates |
| JPH0936215A (en) * | 1995-07-18 | 1997-02-07 | Sony Corp | Carrier case |
| JPH09277285A (en) * | 1996-04-15 | 1997-10-28 | Hokushin Ind Inc | Foamed molded object and its production |
| JPH10278990A (en) * | 1997-04-02 | 1998-10-20 | Yodogawa Kasei Kk | Box for carrying substrate |
-
2002
- 2002-05-31 KR KR1020020030559A patent/KR100599827B1/en active IP Right Grant
- 2002-05-31 CN CNB021221405A patent/CN1318275C/en not_active Expired - Fee Related
- 2002-05-31 TW TW091111652A patent/TW577850B/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411961C (en) * | 2003-11-18 | 2008-08-20 | 网塑有限公司 | Hermetically sealed container for large-sized precision sheet (semi-) product |
| CN103069558A (en) * | 2010-09-17 | 2013-04-24 | 富士电机株式会社 | Wafer storing device, and wafer cassette storage case |
| CN103069558B (en) * | 2010-09-17 | 2016-06-08 | 富士电机株式会社 | Wafer storage device and wafer case storage case |
| CN111516969A (en) * | 2020-04-20 | 2020-08-11 | 安徽酷包科技有限公司 | Integrated EPS packing box for automobile front radiator grille assembly |
| CN111516969B (en) * | 2020-04-20 | 2021-10-01 | 安徽酷包科技有限公司 | Integrated EPS packing box for automobile front radiator grille assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| TW577850B (en) | 2004-03-01 |
| KR20020091826A (en) | 2002-12-06 |
| CN1318275C (en) | 2007-05-30 |
| KR100599827B1 (en) | 2006-07-12 |
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